Naha weather by month

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

Temperature in Naha (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
19°C maximum daytime temperature in January in Naha19
19°C maximum daytime temperature in February in Naha19
21°C maximum daytime temperature in March in Naha21
24°C maximum daytime temperature in April in Naha24
27°C maximum daytime temperature in May in Naha27
29°C maximum daytime temperature in June in Naha29
31°C maximum daytime temperature in July in Naha31
31°C maximum daytime temperature in August in Naha31
30°C maximum daytime temperature in September in Naha30
27°C maximum daytime temperature in October in Naha27
24°C maximum daytime temperature in November in Naha24
21°C maximum daytime temperature in December in Naha21
Min temperature (night-time)
13°C minimum night-time temperature in January in Naha13
14°C minimum night-time temperature in February in Naha14
16°C minimum night-time temperature in March in Naha16
18°C minimum night-time temperature in April in Naha18
21°C minimum night-time temperature in May in Naha21
24°C minimum night-time temperature in June in Naha24
26°C minimum night-time temperature in July in Naha26
26°C minimum night-time temperature in August in Naha26
25°C minimum night-time temperature in September in Naha25
22°C minimum night-time temperature in October in Naha22
19°C minimum night-time temperature in November in Naha19
15°C minimum night-time temperature in December in Naha15
Heat & Humidity
No heat & humidity in January in Naha0
No heat & humidity in February in Naha0
No heat & humidity in March in Naha0
No heat & humidity in April in Naha0
Moderate heat & humidity in May in NahaM
High heat & humidity in June in NahaH
Very high heat & humidity in July in NahaVH
Very high heat & humidity in August in NahaVH
High heat & humidity in September in NahaH
Moderate heat & humidity in October in NahaM
No heat & humidity in November in Naha0
No heat & humidity in December in Naha0
Sea temperature
22°C sea temperature in January in Naha22
22°C sea temperature in February in Naha22
22°C sea temperature in March in Naha22
23°C sea temperature in April in Naha23
25°C sea temperature in May in Naha25
27°C sea temperature in June in Naha27
29°C sea temperature in July in Naha29
29°C sea temperature in August in Naha29
28°C sea temperature in September in Naha28
27°C sea temperature in October in Naha27
25°C sea temperature in November in Naha25
24°C sea temperature in December in Naha24

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

Sunshine & UV index in Naha

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Naha11
11 hours of daylight per day in February in Naha11
12 hours of daylight per day in March in Naha12
13 hours of daylight per day in April in Naha13
13 hours of daylight per day in May in Naha13
14 hours of daylight per day in June in Naha14
14 hours of daylight per day in July in Naha14
13 hours of daylight per day in August in Naha13
12 hours of daylight per day in September in Naha12
12 hours of daylight per day in October in Naha12
11 hours of daylight per day in November in Naha11
11 hours of daylight per day in December in Naha11
UV Index (Maximum)
UV (maximum) index 6 (High) in January in Naha6
UV (maximum) index 8 (Very High) in February in Naha8
UV (maximum) index 10 (Very High) in March in Naha10
UV (maximum) index 11 (Extreme) in April in Naha11
UV (maximum) index 11+ (Extreme) in May in Naha11
UV (maximum) index 11+ (Extreme) in June in Naha11
UV (maximum) index 11+ (Extreme) in July in Naha11
UV (maximum) index 11+ (Extreme) in August in Naha11
UV (maximum) index 10 (Very High) in September in Naha10
UV (maximum) index 8 (Very High) in October in Naha8
UV (maximum) index 6 (High) in November in Naha6
UV (maximum) index 5 (Moderate) in December in Naha5

Rainfall in Naha

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
24 days with some rainfall in January in Naha24
22 days with some rainfall in February in Naha22
22 days with some rainfall in March in Naha22
18 days with some rainfall in April in Naha18
21 days with some rainfall in May in Naha21
20 days with some rainfall in June in Naha20
20 days with some rainfall in July in Naha20
23 days with some rainfall in August in Naha23
20 days with some rainfall in September in Naha20
19 days with some rainfall in October in Naha19
20 days with some rainfall in November in Naha20
21 days with some rainfall in December in Naha21
Average monthly rainfall (mm)
120 mm monthly rainfall in January in Naha120
117 mm monthly rainfall in February in Naha117
153 mm monthly rainfall in March in Naha153
166 mm monthly rainfall in April in Naha166
251 mm monthly rainfall in May in Naha251
273 mm monthly rainfall in June in Naha273
183 mm monthly rainfall in July in Naha183
268 mm monthly rainfall in August in Naha268
168 mm monthly rainfall in September in Naha168
159 mm monthly rainfall in October in Naha159
128 mm monthly rainfall in November in Naha128
116 mm monthly rainfall in December in Naha116

More about Naha

Naha by month

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

Recommended for Japan

Fred Olsen: Top cruise offers for 2026/2027

  • Explore latest offers on Fred Olsen Cruises in 2026/2027
  • Find last minute deals or early bird discounts
  • Filter offers by price, destination, ship & departure point
Go to Fred Olsen deal >>

View all Fred Olsen offers

Fred OlsenCruise deal finder

The climate guide for Japan (Naha) 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 Naha?

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

Naha weather in January

Expect daytime maximum temperatures of 19°C in Naha, Japan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 24 days with some rainfall and typically 120 mm of rainfall in the month.

  • 19°C maximum daytime temperature in January in Naha19
    19°C max day temperature
  • 3 hours of sunshine per day
  • 24 days with some rainfall in January in Naha24
    24 days with some rainfall
  • 13°C minimum night-time temperature in January in Naha13
    13°C min night temperature
  • 11 hours of daylight per day in January in Naha11
    11 hours of daylight per day
  • No heat & humidity in January in Naha0
    No heat & humidity
  • 120 mm monthly rainfall in January in Naha120
    120 mm of monthly rainfall
  • UV (maximum) index 6 (High) in January in Naha6
    6 (High) UV index
  • 22°C sea temperature in January in Naha22
    22°C sea temperature

Back to months

Naha weather in February

Expect daytime maximum temperatures of 19°C in Naha, Japan in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 117 mm of rainfall in the month.

  • 19°C maximum daytime temperature in February in Naha19
    19°C max day temperature
  • 3 hours of sunshine per day
  • 22 days with some rainfall in February in Naha22
    22 days with some rainfall
  • 14°C minimum night-time temperature in February in Naha14
    14°C min night temperature
  • 11 hours of daylight per day in February in Naha11
    11 hours of daylight per day
  • No heat & humidity in February in Naha0
    No heat & humidity
  • 117 mm monthly rainfall in February in Naha117
    117 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in February in Naha8
    8 (Very High) UV index
  • 22°C sea temperature in February in Naha22
    22°C sea temperature

Back to months

Naha weather in March

Expect daytime maximum temperatures of 21°C in Naha, Japan in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 22 days with some rainfall and typically 153 mm of rainfall in the month.

  • 21°C maximum daytime temperature in March in Naha21
    21°C max day temperature
  • 4 hours of sunshine per day
  • 22 days with some rainfall in March in Naha22
    22 days with some rainfall
  • 16°C minimum night-time temperature in March in Naha16
    16°C min night temperature
  • 12 hours of daylight per day in March in Naha12
    12 hours of daylight per day
  • No heat & humidity in March in Naha0
    No heat & humidity
  • 153 mm monthly rainfall in March in Naha153
    153 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in Naha10
    10 (Very High) UV index
  • 22°C sea temperature in March in Naha22
    22°C sea temperature

Back to months

Naha weather in April

Expect daytime maximum temperatures of 24°C in Naha, Japan in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 166 mm of rainfall in the month.

  • 24°C maximum daytime temperature in April in Naha24
    24°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in April in Naha18
    18 days with some rainfall
  • 18°C minimum night-time temperature in April in Naha18
    18°C min night temperature
  • 13 hours of daylight per day in April in Naha13
    13 hours of daylight per day
  • No heat & humidity in April in Naha0
    No heat & humidity
  • 166 mm monthly rainfall in April in Naha166
    166 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Naha11
    11 (Extreme) UV index
  • 23°C sea temperature in April in Naha23
    23°C sea temperature

Back to months

Naha weather in May

Expect daytime maximum temperatures of 27°C in Naha, Japan in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 21 days with some rainfall and typically 251 mm of rainfall in the month.

  • 27°C maximum daytime temperature in May in Naha27
    27°C max day temperature
  • 5 hours of sunshine per day
  • 21 days with some rainfall in May in Naha21
    21 days with some rainfall
  • 21°C minimum night-time temperature in May in Naha21
    21°C min night temperature
  • 13 hours of daylight per day in May in Naha13
    13 hours of daylight per day
  • Moderate heat & humidity in May in NahaM
    Moderate heat & humidity
  • 251 mm monthly rainfall in May in Naha251
    251 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Naha11
    11+ (Extreme) UV index
  • 25°C sea temperature in May in Naha25
    25°C sea temperature

Back to months

Naha weather in June

Expect daytime maximum temperatures of 29°C in Naha, Japan in June 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 273 mm of rainfall in the month.

  • 29°C maximum daytime temperature in June in Naha29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 20 days with some rainfall in June in Naha20
    20 days with some rainfall
  • 24°C minimum night-time temperature in June in Naha24
    24°C min night temperature
  • 14 hours of daylight per day in June in Naha14
    14 hours of daylight per day
  • High heat & humidity in June in NahaH
    High heat & humidity
  • 273 mm monthly rainfall in June in Naha273
    273 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Naha11
    11+ (Extreme) UV index
  • 27°C sea temperature in June in Naha27
    27°C sea temperature

Back to months

Naha weather in July

Expect daytime maximum temperatures of 31°C in Naha, Japan in July and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall and typically 183 mm of rainfall in the month.

  • 31°C maximum daytime temperature in July in Naha31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in July in Naha20
    20 days with some rainfall
  • 26°C minimum night-time temperature in July in Naha26
    26°C min night temperature
  • 14 hours of daylight per day in July in Naha14
    14 hours of daylight per day
  • Very high heat & humidity in July in NahaVH
    Very High heat & humidity
  • 183 mm monthly rainfall in July in Naha183
    183 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Naha11
    11+ (Extreme) UV index
  • 29°C sea temperature in July in Naha29
    29°C sea temperature

Back to months

Naha weather in August

Expect daytime maximum temperatures of 31°C in Naha, 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 23 days with some rainfall and typically 268 mm of rainfall in the month.

  • 31°C maximum daytime temperature in August in Naha31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 23 days with some rainfall in August in Naha23
    23 days with some rainfall
  • 26°C minimum night-time temperature in August in Naha26
    26°C min night temperature
  • 13 hours of daylight per day in August in Naha13
    13 hours of daylight per day
  • Very high heat & humidity in August in NahaVH
    Very High heat & humidity
  • 268 mm monthly rainfall in August in Naha268
    268 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Naha11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Naha29
    29°C sea temperature

Back to months

Naha weather in September

Expect daytime maximum temperatures of 30°C in Naha, Japan in September and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 20 days with some rainfall and typically 168 mm of rainfall in the month.

  • 30°C maximum daytime temperature in September in Naha30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in September in Naha20
    20 days with some rainfall
  • 25°C minimum night-time temperature in September in Naha25
    25°C min night temperature
  • 12 hours of daylight per day in September in Naha12
    12 hours of daylight per day
  • High heat & humidity in September in NahaH
    High heat & humidity
  • 168 mm monthly rainfall in September in Naha168
    168 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in September in Naha10
    10 (Very High) UV index
  • 28°C sea temperature in September in Naha28
    28°C sea temperature

Back to months

Naha weather in October

Expect daytime maximum temperatures of 27°C in Naha, Japan in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 159 mm of rainfall in the month.

  • 27°C maximum daytime temperature in October in Naha27
    27°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in October in Naha19
    19 days with some rainfall
  • 22°C minimum night-time temperature in October in Naha22
    22°C min night temperature
  • 12 hours of daylight per day in October in Naha12
    12 hours of daylight per day
  • Moderate heat & humidity in October in NahaM
    Moderate heat & humidity
  • 159 mm monthly rainfall in October in Naha159
    159 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in October in Naha8
    8 (Very High) UV index
  • 27°C sea temperature in October in Naha27
    27°C sea temperature

Back to months

Naha weather in November

Expect daytime maximum temperatures of 24°C in Naha, Japan in November based on long-term weather averages. There are 4 hours of sunshine per day on average with 20 days with some rainfall and typically 128 mm of rainfall in the month.

  • 24°C maximum daytime temperature in November in Naha24
    24°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in November in Naha20
    20 days with some rainfall
  • 19°C minimum night-time temperature in November in Naha19
    19°C min night temperature
  • 11 hours of daylight per day in November in Naha11
    11 hours of daylight per day
  • No heat & humidity in November in Naha0
    No heat & humidity
  • 128 mm monthly rainfall in November in Naha128
    128 mm of monthly rainfall
  • UV (maximum) index 6 (High) in November in Naha6
    6 (High) UV index
  • 25°C sea temperature in November in Naha25
    25°C sea temperature

Back to months

Naha weather in December

Expect daytime maximum temperatures of 21°C in Naha, Japan in December based on long-term weather averages. There are 4 hours of sunshine per day on average with 21 days with some rainfall and typically 116 mm of rainfall in the month.

  • 21°C maximum daytime temperature in December in Naha21
    21°C max day temperature
  • 4 hours of sunshine per day
  • 21 days with some rainfall in December in Naha21
    21 days with some rainfall
  • 15°C minimum night-time temperature in December in Naha15
    15°C min night temperature
  • 11 hours of daylight per day in December in Naha11
    11 hours of daylight per day
  • No heat & humidity in December in Naha0
    No heat & humidity
  • 116 mm monthly rainfall in December in Naha116
    116 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in December in Naha5
    5 (Moderate) UV index
  • 24°C sea temperature in December in Naha24
    24°C sea temperature

Back to months

More about Naha

Naha by month

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

Recommended for Japan

Fred Olsen: Top cruise offers for 2026/2027

  • Explore latest offers on Fred Olsen Cruises in 2026/2027
  • Find last minute deals or early bird discounts
  • Filter offers by price, destination, ship & departure point
Go to Fred Olsen deal >>

View all Fred Olsen offers

Fred OlsenCruise deal finder

The climate guide for Japan (Naha) 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: Naha, Japan typhoon season

% of month affected by tropical storms
0
0
0
0
1.3%
2.6%
7.4%
11.6%
8%
3.8%
1.6%
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Naha weather with the UK

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

Maximum daytime temperature (°C)

Naha, Japan
UK (London)
19
7
19
7
21
10
24
13
27
17
29
20
31
22
31
22
30
19
27
15
24
10
21
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more weather >>

Back to top

More about Japan

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^