Jamestown weather by month

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

Temperature in Jamestown (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
16°F maximum daytime temperature in January in Jamestown16
23°F maximum daytime temperature in February in Jamestown23
36°F maximum daytime temperature in March in Jamestown36
54°F maximum daytime temperature in April in Jamestown54
66°F maximum daytime temperature in May in Jamestown66
77°F maximum daytime temperature in June in Jamestown77
84°F maximum daytime temperature in July in Jamestown84
82°F maximum daytime temperature in August in Jamestown82
70°F maximum daytime temperature in September in Jamestown70
57°F maximum daytime temperature in October in Jamestown57
37°F maximum daytime temperature in November in Jamestown37
21°F maximum daytime temperature in December in Jamestown21
Min temperature (night-time)
-4°F minimum night-time temperature in January in Jamestown-4
3°F minimum night-time temperature in February in Jamestown3
16°F minimum night-time temperature in March in Jamestown16
32°F minimum night-time temperature in April in Jamestown32
43°F minimum night-time temperature in May in Jamestown43
54°F minimum night-time temperature in June in Jamestown54
59°F minimum night-time temperature in July in Jamestown59
55°F minimum night-time temperature in August in Jamestown55
45°F minimum night-time temperature in September in Jamestown45
34°F minimum night-time temperature in October in Jamestown34
19°F minimum night-time temperature in November in Jamestown19
3°F minimum night-time temperature in December in Jamestown3
Heat & Humidity
No heat & humidity in January in Jamestown0
No heat & humidity in February in Jamestown0
No heat & humidity in March in Jamestown0
No heat & humidity in April in Jamestown0
No heat & humidity in May in Jamestown0
No heat & humidity in June in Jamestown0
Moderate heat & humidity in July in JamestownM
Low heat & humidity in August in JamestownL
No heat & humidity in September in Jamestown0
No heat & humidity in October in Jamestown0
No heat & humidity in November in Jamestown0
No heat & humidity in December in Jamestown0

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

Sunshine & UV index in Jamestown

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Jamestown9
10 hours of daylight per day in February in Jamestown10
12 hours of daylight per day in March in Jamestown12
14 hours of daylight per day in April in Jamestown14
15 hours of daylight per day in May in Jamestown15
16 hours of daylight per day in June in Jamestown16
15 hours of daylight per day in July in Jamestown15
14 hours of daylight per day in August in Jamestown14
13 hours of daylight per day in September in Jamestown13
11 hours of daylight per day in October in Jamestown11
9 hours of daylight per day in November in Jamestown9
9 hours of daylight per day in December in Jamestown9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Jamestown1
UV (maximum) index 2 (Low) in February in Jamestown2
UV (maximum) index 3 (Moderate) in March in Jamestown3
UV (maximum) index 5 (Moderate) in April in Jamestown5
UV (maximum) index 6 (High) in May in Jamestown6
UV (maximum) index 8 (Very High) in June in Jamestown8
UV (maximum) index 8 (Very High) in July in Jamestown8
UV (maximum) index 7 (High) in August in Jamestown7
UV (maximum) index 5 (Moderate) in September in Jamestown5
UV (maximum) index 3 (Moderate) in October in Jamestown3
UV (maximum) index 1 (Low) in November in Jamestown1
UV (maximum) index 1 (Low) in December in Jamestown1

Rainfall in Jamestown

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Jamestown7
7 days with some rainfall in February in Jamestown7
7 days with some rainfall in March in Jamestown7
8 days with some rainfall in April in Jamestown8
10 days with some rainfall in May in Jamestown10
11 days with some rainfall in June in Jamestown11
9 days with some rainfall in July in Jamestown9
9 days with some rainfall in August in Jamestown9
7 days with some rainfall in September in Jamestown7
6 days with some rainfall in October in Jamestown6
6 days with some rainfall in November in Jamestown6
7 days with some rainfall in December in Jamestown7
Average monthly rainfall (inches)
0.6 inches monthly rainfall in January in Jamestown0.6
0.4 inches monthly rainfall in February in Jamestown0.4
0.8 inches monthly rainfall in March in Jamestown0.8
1.5 inches monthly rainfall in April in Jamestown1.5
2.2 inches monthly rainfall in May in Jamestown2.2
3.5 inches monthly rainfall in June in Jamestown3.5
3.0 inches monthly rainfall in July in Jamestown3.0
2.1 inches monthly rainfall in August in Jamestown2.1
1.7 inches monthly rainfall in September in Jamestown1.7
1.0 inches monthly rainfall in October in Jamestown1.0
0.6 inches monthly rainfall in November in Jamestown0.6
0.4 inches monthly rainfall in December in Jamestown0.4

More about Jamestown

Jamestown by month

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

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The climate guide for North Dakota (Jamestown) 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 Jamestown?

Jamestown has a cold climate with warm summers and some rainfall in all months.

Jamestown weather in January

Expect daytime maximum temperatures of 16°F in Jamestown, North Dakota in January based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

  • 16°F maximum daytime temperature in January in Jamestown16
    16°F max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in January in Jamestown7
    7 days with some rainfall
  • -4°F minimum night-time temperature in January in Jamestown-4
    -4°F min night temperature
  • 9 hours of daylight per day in January in Jamestown9
    9 hours of daylight per day
  • No heat & humidity in January in Jamestown0
    No heat & humidity
  • 0.6 inches monthly rainfall in January in Jamestown0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Jamestown1
    1 (Low) UV index

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Jamestown weather in February

Expect daytime maximum temperatures of 23°F in Jamestown, North Dakota in February based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

  • 23°F maximum daytime temperature in February in Jamestown23
    23°F max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in February in Jamestown7
    7 days with some rainfall
  • 3°F minimum night-time temperature in February in Jamestown3
    3°F min night temperature
  • 10 hours of daylight per day in February in Jamestown10
    10 hours of daylight per day
  • No heat & humidity in February in Jamestown0
    No heat & humidity
  • 0.4 inches monthly rainfall in February in Jamestown0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in February in Jamestown2
    2 (Low) UV index

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Jamestown weather in March

Expect daytime maximum temperatures of 36°F in Jamestown, North Dakota in March based on long-term weather averages. There are 7 hours of sunshine per day on average, which might fall as snow.

  • 36°F maximum daytime temperature in March in Jamestown36
    36°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in March in Jamestown7
    7 days with some rainfall
  • 16°F minimum night-time temperature in March in Jamestown16
    16°F min night temperature
  • 12 hours of daylight per day in March in Jamestown12
    12 hours of daylight per day
  • No heat & humidity in March in Jamestown0
    No heat & humidity
  • 0.8 inches monthly rainfall in March in Jamestown0.8
    0.8 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Jamestown3
    3 (Moderate) UV index

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Jamestown weather in April

Expect daytime maximum temperatures of 54°F in Jamestown, North Dakota in April based on long-term weather averages. There are 8 hours of sunshine per day on average.

  • 54°F maximum daytime temperature in April in Jamestown54
    54°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in April in Jamestown8
    8 days with some rainfall
  • 32°F minimum night-time temperature in April in Jamestown32
    32°F min night temperature
  • 14 hours of daylight per day in April in Jamestown14
    14 hours of daylight per day
  • No heat & humidity in April in Jamestown0
    No heat & humidity
  • 1.5 inches monthly rainfall in April in Jamestown1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Jamestown5
    5 (Moderate) UV index

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Jamestown weather in May

Expect daytime maximum temperatures of 66°F in Jamestown, North Dakota in May based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 66°F maximum daytime temperature in May in Jamestown66
    66°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in May in Jamestown10
    10 days with some rainfall
  • 43°F minimum night-time temperature in May in Jamestown43
    43°F min night temperature
  • 15 hours of daylight per day in May in Jamestown15
    15 hours of daylight per day
  • No heat & humidity in May in Jamestown0
    No heat & humidity
  • 2.2 inches monthly rainfall in May in Jamestown2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Jamestown6
    6 (High) UV index

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Jamestown weather in June

Expect daytime maximum temperatures of 77°F in Jamestown, North Dakota in June based on long-term weather averages. There are 10 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 77°F maximum daytime temperature in June in Jamestown77
    77°F max day temperature
  • 10 hours of sunshine per day
  • 11 days with some rainfall in June in Jamestown11
    11 days with some rainfall
  • 54°F minimum night-time temperature in June in Jamestown54
    54°F min night temperature
  • 16 hours of daylight per day in June in Jamestown16
    16 hours of daylight per day
  • No heat & humidity in June in Jamestown0
    No heat & humidity
  • 3.5 inches monthly rainfall in June in Jamestown3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Jamestown8
    8 (Very High) UV index

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Jamestown weather in July

Expect daytime maximum temperatures of 84°F in Jamestown, North Dakota in July based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 84°F maximum daytime temperature in July in Jamestown84
    84°F max day temperature
  • 11 hours of sunshine per day
  • 9 days with some rainfall in July in Jamestown9
    9 days with some rainfall
  • 59°F minimum night-time temperature in July in Jamestown59
    59°F min night temperature
  • 15 hours of daylight per day in July in Jamestown15
    15 hours of daylight per day
  • Moderate heat & humidity in July in JamestownM
    Moderate heat & humidity
  • 3.0 inches monthly rainfall in July in Jamestown3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Jamestown8
    8 (Very High) UV index

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Jamestown weather in August

Expect daytime maximum temperatures of 82°F in Jamestown, North Dakota in August based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.1 inches of rainfall in the month.

  • 82°F maximum daytime temperature in August in Jamestown82
    82°F max day temperature
  • 10 hours of sunshine per day
  • 9 days with some rainfall in August in Jamestown9
    9 days with some rainfall
  • 55°F minimum night-time temperature in August in Jamestown55
    55°F min night temperature
  • 14 hours of daylight per day in August in Jamestown14
    14 hours of daylight per day
  • Low heat & humidity in August in JamestownL
    Low heat & humidity
  • 2.1 inches monthly rainfall in August in Jamestown2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 7 (High) in August in Jamestown7
    7 (High) UV index

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Jamestown weather in September

Expect daytime maximum temperatures of 70°F in Jamestown, North Dakota in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 1.7 inches of rainfall in the month.

  • 70°F maximum daytime temperature in September in Jamestown70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Jamestown7
    7 days with some rainfall
  • 45°F minimum night-time temperature in September in Jamestown45
    45°F min night temperature
  • 13 hours of daylight per day in September in Jamestown13
    13 hours of daylight per day
  • No heat & humidity in September in Jamestown0
    No heat & humidity
  • 1.7 inches monthly rainfall in September in Jamestown1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Jamestown5
    5 (Moderate) UV index

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Jamestown weather in October

Expect daytime maximum temperatures of 57°F in Jamestown, North Dakota in October based on long-term weather averages. There are 6 hours of sunshine per day on average.

  • 57°F maximum daytime temperature in October in Jamestown57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 6 days with some rainfall in October in Jamestown6
    6 days with some rainfall
  • 34°F minimum night-time temperature in October in Jamestown34
    34°F min night temperature
  • 11 hours of daylight per day in October in Jamestown11
    11 hours of daylight per day
  • No heat & humidity in October in Jamestown0
    No heat & humidity
  • 1.0 inches monthly rainfall in October in Jamestown1.0
    1.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Jamestown3
    3 (Moderate) UV index

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Jamestown weather in November

Expect daytime maximum temperatures of 37°F in Jamestown, North Dakota in November based on long-term weather averages. There are 4 hours of sunshine per day on average, which might fall as snow.

  • 37°F maximum daytime temperature in November in Jamestown37
    37°F max day temperature
  • 4 hours of sunshine per day
  • 6 days with some rainfall in November in Jamestown6
    6 days with some rainfall
  • 19°F minimum night-time temperature in November in Jamestown19
    19°F min night temperature
  • 9 hours of daylight per day in November in Jamestown9
    9 hours of daylight per day
  • No heat & humidity in November in Jamestown0
    No heat & humidity
  • 0.6 inches monthly rainfall in November in Jamestown0.6
    0.6 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Jamestown1
    1 (Low) UV index

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Jamestown weather in December

Expect daytime maximum temperatures of 21°F in Jamestown, North Dakota in December based on long-term weather averages. There are 4 hours of sunshine per day on average, which might fall as snow.

  • 21°F maximum daytime temperature in December in Jamestown21
    21°F max day temperature
  • 4 hours of sunshine per day
  • 7 days with some rainfall in December in Jamestown7
    7 days with some rainfall
  • 3°F minimum night-time temperature in December in Jamestown3
    3°F min night temperature
  • 9 hours of daylight per day in December in Jamestown9
    9 hours of daylight per day
  • No heat & humidity in December in Jamestown0
    No heat & humidity
  • 0.4 inches monthly rainfall in December in Jamestown0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Jamestown1
    1 (Low) UV index

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More about Jamestown

Jamestown by month

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

Recommended for North Dakota

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for North Dakota (Jamestown) 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.

Compare Jamestown weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Jamestown, North Dakota, USA and the UK (London).

Maximum daytime temperature (°F)

Jamestown, North Dakota, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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