Nagasaki weather by month

Check out Nagasaki weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Nagasaki (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
48°F maximum daytime temperature in January in Nagasaki48
50°F maximum daytime temperature in February in Nagasaki50
57°F maximum daytime temperature in March in Nagasaki57
66°F maximum daytime temperature in April in Nagasaki66
73°F maximum daytime temperature in May in Nagasaki73
79°F maximum daytime temperature in June in Nagasaki79
84°F maximum daytime temperature in July in Nagasaki84
88°F maximum daytime temperature in August in Nagasaki88
82°F maximum daytime temperature in September in Nagasaki82
73°F maximum daytime temperature in October in Nagasaki73
63°F maximum daytime temperature in November in Nagasaki63
54°F maximum daytime temperature in December in Nagasaki54
Min temperature (night-time)
36°F minimum night-time temperature in January in Nagasaki36
37°F minimum night-time temperature in February in Nagasaki37
43°F minimum night-time temperature in March in Nagasaki43
52°F minimum night-time temperature in April in Nagasaki52
59°F minimum night-time temperature in May in Nagasaki59
66°F minimum night-time temperature in June in Nagasaki66
73°F minimum night-time temperature in July in Nagasaki73
75°F minimum night-time temperature in August in Nagasaki75
68°F minimum night-time temperature in September in Nagasaki68
59°F minimum night-time temperature in October in Nagasaki59
48°F minimum night-time temperature in November in Nagasaki48
39°F minimum night-time temperature in December in Nagasaki39
Heat & Humidity
No heat & humidity in January in Nagasaki0
No heat & humidity in February in Nagasaki0
No heat & humidity in March in Nagasaki0
No heat & humidity in April in Nagasaki0
No heat & humidity in May in Nagasaki0
Low heat & humidity in June in NagasakiL
High heat & humidity in July in NagasakiH
Very high heat & humidity in August in NagasakiVH
Moderate heat & humidity in September in NagasakiM
No heat & humidity in October in Nagasaki0
No heat & humidity in November in Nagasaki0
No heat & humidity in December in Nagasaki0
Sea temperature
63°F sea temperature in January in Nagasaki63
61°F sea temperature in February in Nagasaki61
61°F sea temperature in March in Nagasaki61
63°F sea temperature in April in Nagasaki63
66°F sea temperature in May in Nagasaki66
72°F sea temperature in June in Nagasaki72
77°F sea temperature in July in Nagasaki77
81°F sea temperature in August in Nagasaki81
79°F sea temperature in September in Nagasaki79
75°F sea temperature in October in Nagasaki75
70°F sea temperature in November in Nagasaki70
66°F sea temperature in December in Nagasaki66

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Nagasaki

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Nagasaki10
11 hours of daylight per day in February in Nagasaki11
12 hours of daylight per day in March in Nagasaki12
13 hours of daylight per day in April in Nagasaki13
14 hours of daylight per day in May in Nagasaki14
14 hours of daylight per day in June in Nagasaki14
14 hours of daylight per day in July in Nagasaki14
13 hours of daylight per day in August in Nagasaki13
12 hours of daylight per day in September in Nagasaki12
11 hours of daylight per day in October in Nagasaki11
10 hours of daylight per day in November in Nagasaki10
10 hours of daylight per day in December in Nagasaki10
UV Index (Maximum)
UV (maximum) index 3 (Moderate) in January in Nagasaki3
UV (maximum) index 5 (Moderate) in February in Nagasaki5
UV (maximum) index 7 (High) in March in Nagasaki7
UV (maximum) index 9 (Very High) in April in Nagasaki9
UV (maximum) index 10 (Very High) in May in Nagasaki10
UV (maximum) index 10 (Very High) in June in Nagasaki10
UV (maximum) index 11 (Extreme) in July in Nagasaki11
UV (maximum) index 11 (Extreme) in August in Nagasaki11
UV (maximum) index 9 (Very High) in September in Nagasaki9
UV (maximum) index 6 (High) in October in Nagasaki6
UV (maximum) index 4 (Moderate) in November in Nagasaki4
UV (maximum) index 3 (Moderate) in December in Nagasaki3

Rainfall in Nagasaki

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
21 days with some rainfall in January in Nagasaki21
19 days with some rainfall in February in Nagasaki19
19 days with some rainfall in March in Nagasaki19
17 days with some rainfall in April in Nagasaki17
16 days with some rainfall in May in Nagasaki16
19 days with some rainfall in June in Nagasaki19
20 days with some rainfall in July in Nagasaki20
17 days with some rainfall in August in Nagasaki17
17 days with some rainfall in September in Nagasaki17
13 days with some rainfall in October in Nagasaki13
15 days with some rainfall in November in Nagasaki15
19 days with some rainfall in December in Nagasaki19
Average monthly rainfall (inches)
3.4 inches monthly rainfall in January in Nagasaki3.4
3.7 inches monthly rainfall in February in Nagasaki3.7
5.6 inches monthly rainfall in March in Nagasaki5.6
7.5 inches monthly rainfall in April in Nagasaki7.5
8.4 inches monthly rainfall in May in Nagasaki8.4
14.3 inches monthly rainfall in June in Nagasaki14.3
14.2 inches monthly rainfall in July in Nagasaki14.2
8.1 inches monthly rainfall in August in Nagasaki8.1
7.9 inches monthly rainfall in September in Nagasaki7.9
4.1 inches monthly rainfall in October in Nagasaki4.1
3.6 inches monthly rainfall in November in Nagasaki3.6
2.8 inches monthly rainfall in December in Nagasaki2.8

More about Nagasaki

Nagasaki by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Japan (Nagasaki) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Nagasaki?

Nagasaki has a temperate climate with hot summers and some rainfall in all months.

Nagasaki weather in January

Expect daytime maximum temperatures of 48°F in Nagasaki, Japan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 21 days with some rainfall and typically 3.4 inches of rainfall in the month.

  • 48°F maximum daytime temperature in January in Nagasaki48
    48°F max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in January in Nagasaki21
    21 days with some rainfall
  • 36°F minimum night-time temperature in January in Nagasaki36
    36°F min night temperature
  • 10 hours of daylight per day in January in Nagasaki10
    10 hours of daylight per day
  • No heat & humidity in January in Nagasaki0
    No heat & humidity
  • 3.4 inches monthly rainfall in January in Nagasaki3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Nagasaki3
    3 (Moderate) UV index
  • 63°F sea temperature in January in Nagasaki63
    63°F sea temperature

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Nagasaki weather in February

Expect daytime maximum temperatures of 50°F in Nagasaki, Japan in February based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 3.7 inches of rainfall in the month.

  • 50°F maximum daytime temperature in February in Nagasaki50
    50°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in February in Nagasaki19
    19 days with some rainfall
  • 37°F minimum night-time temperature in February in Nagasaki37
    37°F min night temperature
  • 11 hours of daylight per day in February in Nagasaki11
    11 hours of daylight per day
  • No heat & humidity in February in Nagasaki0
    No heat & humidity
  • 3.7 inches monthly rainfall in February in Nagasaki3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in February in Nagasaki5
    5 (Moderate) UV index
  • 61°F sea temperature in February in Nagasaki61
    61°F sea temperature

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Nagasaki weather in March

Expect daytime maximum temperatures of 57°F in Nagasaki, Japan in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 5.6 inches of rainfall in the month.

  • 57°F maximum daytime temperature in March in Nagasaki57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in March in Nagasaki19
    19 days with some rainfall
  • 43°F minimum night-time temperature in March in Nagasaki43
    43°F min night temperature
  • 12 hours of daylight per day in March in Nagasaki12
    12 hours of daylight per day
  • No heat & humidity in March in Nagasaki0
    No heat & humidity
  • 5.6 inches monthly rainfall in March in Nagasaki5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in March in Nagasaki7
    7 (High) UV index
  • 61°F sea temperature in March in Nagasaki61
    61°F sea temperature

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Nagasaki weather in April

Expect daytime maximum temperatures of 66°F in Nagasaki, Japan in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 7.5 inches of rainfall in the month.

  • 66°F maximum daytime temperature in April in Nagasaki66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in April in Nagasaki17
    17 days with some rainfall
  • 52°F minimum night-time temperature in April in Nagasaki52
    52°F min night temperature
  • 13 hours of daylight per day in April in Nagasaki13
    13 hours of daylight per day
  • No heat & humidity in April in Nagasaki0
    No heat & humidity
  • 7.5 inches monthly rainfall in April in Nagasaki7.5
    7.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in April in Nagasaki9
    9 (Very High) UV index
  • 63°F sea temperature in April in Nagasaki63
    63°F sea temperature

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Nagasaki weather in May

Expect daytime maximum temperatures of 73°F in Nagasaki, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 8.4 inches of rainfall in the month.

  • 73°F maximum daytime temperature in May in Nagasaki73
    73°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Nagasaki16
    16 days with some rainfall
  • 59°F minimum night-time temperature in May in Nagasaki59
    59°F min night temperature
  • 14 hours of daylight per day in May in Nagasaki14
    14 hours of daylight per day
  • No heat & humidity in May in Nagasaki0
    No heat & humidity
  • 8.4 inches monthly rainfall in May in Nagasaki8.4
    8.4 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Nagasaki10
    10 (Very High) UV index
  • 66°F sea temperature in May in Nagasaki66
    66°F sea temperature

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Nagasaki weather in June

Expect daytime maximum temperatures of 79°F in Nagasaki, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 14.3 inches of rainfall in the month.

  • 79°F maximum daytime temperature in June in Nagasaki79
    79°F max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in June in Nagasaki19
    19 days with some rainfall
  • 66°F minimum night-time temperature in June in Nagasaki66
    66°F min night temperature
  • 14 hours of daylight per day in June in Nagasaki14
    14 hours of daylight per day
  • Low heat & humidity in June in NagasakiL
    Low heat & humidity
  • 14.3 inches monthly rainfall in June in Nagasaki14.3
    14.3 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Nagasaki10
    10 (Very High) UV index
  • 72°F sea temperature in June in Nagasaki72
    72°F sea temperature

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Nagasaki weather in July

Expect daytime maximum temperatures of 84°F in Nagasaki, Japan in July and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 20 days with some rainfall and typically 14.2 inches of rainfall in the month.

  • 84°F maximum daytime temperature in July in Nagasaki84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 20 days with some rainfall in July in Nagasaki20
    20 days with some rainfall
  • 73°F minimum night-time temperature in July in Nagasaki73
    73°F min night temperature
  • 14 hours of daylight per day in July in Nagasaki14
    14 hours of daylight per day
  • High heat & humidity in July in NagasakiH
    High heat & humidity
  • 14.2 inches monthly rainfall in July in Nagasaki14.2
    14.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Nagasaki11
    11 (Extreme) UV index
  • 77°F sea temperature in July in Nagasaki77
    77°F sea temperature

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Nagasaki weather in August

Expect daytime maximum temperatures of 88°F in Nagasaki, Japan in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 8.1 inches of rainfall in the month.

  • 88°F maximum daytime temperature in August in Nagasaki88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in August in Nagasaki17
    17 days with some rainfall
  • 75°F minimum night-time temperature in August in Nagasaki75
    75°F min night temperature
  • 13 hours of daylight per day in August in Nagasaki13
    13 hours of daylight per day
  • Very high heat & humidity in August in NagasakiVH
    Very High heat & humidity
  • 8.1 inches monthly rainfall in August in Nagasaki8.1
    8.1 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Nagasaki11
    11 (Extreme) UV index
  • 81°F sea temperature in August in Nagasaki81
    81°F sea temperature

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Nagasaki weather in September

Expect daytime maximum temperatures of 82°F in Nagasaki, Japan in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 7.9 inches of rainfall in the month.

  • 82°F maximum daytime temperature in September in Nagasaki82
    82°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in September in Nagasaki17
    17 days with some rainfall
  • 68°F minimum night-time temperature in September in Nagasaki68
    68°F min night temperature
  • 12 hours of daylight per day in September in Nagasaki12
    12 hours of daylight per day
  • Moderate heat & humidity in September in NagasakiM
    Moderate heat & humidity
  • 7.9 inches monthly rainfall in September in Nagasaki7.9
    7.9 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Nagasaki9
    9 (Very High) UV index
  • 79°F sea temperature in September in Nagasaki79
    79°F sea temperature

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Nagasaki weather in October

Expect daytime maximum temperatures of 73°F in Nagasaki, Japan in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 4.1 inches of rainfall in the month.

  • 73°F maximum daytime temperature in October in Nagasaki73
    73°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in October in Nagasaki13
    13 days with some rainfall
  • 59°F minimum night-time temperature in October in Nagasaki59
    59°F min night temperature
  • 11 hours of daylight per day in October in Nagasaki11
    11 hours of daylight per day
  • No heat & humidity in October in Nagasaki0
    No heat & humidity
  • 4.1 inches monthly rainfall in October in Nagasaki4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Nagasaki6
    6 (High) UV index
  • 75°F sea temperature in October in Nagasaki75
    75°F sea temperature

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Nagasaki weather in November

Expect daytime maximum temperatures of 63°F in Nagasaki, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 3.6 inches of rainfall in the month.

  • 63°F maximum daytime temperature in November in Nagasaki63
    63°F max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in November in Nagasaki15
    15 days with some rainfall
  • 48°F minimum night-time temperature in November in Nagasaki48
    48°F min night temperature
  • 10 hours of daylight per day in November in Nagasaki10
    10 hours of daylight per day
  • No heat & humidity in November in Nagasaki0
    No heat & humidity
  • 3.6 inches monthly rainfall in November in Nagasaki3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in November in Nagasaki4
    4 (Moderate) UV index
  • 70°F sea temperature in November in Nagasaki70
    70°F sea temperature

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Nagasaki weather in December

Expect daytime maximum temperatures of 54°F in Nagasaki, Japan in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 19 days with some rainfall and typically 2.8 inches of rainfall in the month.

  • 54°F maximum daytime temperature in December in Nagasaki54
    54°F max day temperature
  • 4 hours of sunshine per day
  • 19 days with some rainfall in December in Nagasaki19
    19 days with some rainfall
  • 39°F minimum night-time temperature in December in Nagasaki39
    39°F min night temperature
  • 10 hours of daylight per day in December in Nagasaki10
    10 hours of daylight per day
  • No heat & humidity in December in Nagasaki0
    No heat & humidity
  • 2.8 inches monthly rainfall in December in Nagasaki2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in December in Nagasaki3
    3 (Moderate) UV index
  • 66°F sea temperature in December in Nagasaki66
    66°F sea temperature

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More about Nagasaki

Nagasaki by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Japan (Nagasaki) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Tropical storm risk: Nagasaki, Japan typhoon season

% of month affected by tropical storms
0
0
0
0
0
2%
4.4%
7.3%
5%
1.3%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Nagasaki weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Nagasaki, Japan and the UK (London).

Maximum daytime temperature (°F)

Nagasaki, Japan
UK (London)
48
45
50
45
57
50
66
55
73
63
79
68
84
72
88
72
82
66
73
59
63
50
54
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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