Climate and monthly weather forecast
Jamestown, ND

Weather in January

January, like December, is a freezing cold winter month in Jamestown, North Dakota, with an average temperature varying between 17.8°F (-7.9°C) and 3.6°F (-15.8°C). With an average high-temperature of 17.8°F (-7.9°C) and an average low-temperature of 3.6°F (-15.8°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Jamestown, is also a subzero cold month, with an average temperature fluctuating between 5.2°F (-14.9°C) and 19.6°F (-6.9°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 19.6°F (-6.9°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Jamestown, North Dakota, with an average temperature fluctuating between 20.7°F (-6.3°C) and 35.2°F (1.8°C). In Jamestown, the average high-temperature in March increases considerably from a freezing cold 19.6°F (-6.9°C) in February to a cold 35.2°F (1.8°C). Weather in March »

Weather in April

April is a frosty spring month in Jamestown, North Dakota, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 34°F (1.1°C). In April, the average high-temperature increases considerably from a cold 35.2°F (1.8°C) in March to a frosty 49.8°F (9.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Jamestown, North Dakota, with an average temperature ranging between min 46.8°F (8.2°C) and max 64°F (17.8°C). In Jamestown, North Dakota, the average high-temperature in May increases from a frosty 49.8°F (9.9°C) in April to a comfortable 64°F (17.8°C). Weather in May »

Weather in June

June, the first month of the summer in Jamestown, is a moderately hot month, with an average temperature ranging between min 55.4°F (13°C) and max 73.8°F (23.2°C). In Jamestown, the average high-temperature in June increases from an enjoyable 64°F (17.8°C) in May to a moderately hot 73.8°F (23.2°C). Weather in June »

Weather in July

July, like June, in Jamestown, North Dakota, is another warm summer month, with an average temperature ranging between max 81.3°F (27.4°C) and min 60.4°F (15.8°C). The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 60.4°F (15.8°C). In July, the average heat index is appraised at 84.6°F (29.2°C). Weather in July »

Weather in August

August, the last month of the summer in Jamestown, is another warm month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 59.2°F (15.1°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 81°F (27.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Jamestown, North Dakota, with temperature in the range of an average low of 51.3°F (10.7°C) and an average high of 70.7°F (21.5°C). In Jamestown, North Dakota, the average high-temperature in September decreases from a warm 81°F (27.2°C) in August to a pleasant 70.7°F (21.5°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Jamestown, North Dakota, with an average temperature ranging between min 38.3°F (3.5°C) and max 53.2°F (11.8°C). In Jamestown, the average high-temperature in October plummets from an agreeable 70.7°F (21.5°C) in September to a fresh 53.2°F (11.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Jamestown, is another cold month, with an average temperature ranging between max 37.4°F (3°C) and min 24.4°F (-4.2°C). In Jamestown, the average high-temperature in November significantly decreases from a fresh 53.2°F (11.8°C) in October to a wintry 37.4°F (3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Jamestown, North Dakota, with temperature in the range of an average low of 10.2°F (-12.1°C) and an average high of 21.2°F (-6°C). In December, the average high-temperature declines considerably from a wintry 37.4°F (3°C) in November to a subzero cold 21.2°F (-6°C). Weather in December »
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FAQ

What is the coldest month in Jamestown?

January is the coldest month in Jamestown, with an average high-temperature of 17.8°F (-7.9°C) and an average low-temperature of 3.6°F (-15.8°C).

What is the most humid month in Jamestown?

The most humid month is January, with an average relative humidity of 90%.

What is the driest month in Jamestown?

The month with the least rainfall in Jamestown, North Dakota, is January, when the rain falls for 2.7 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in Jamestown?

Throughout the year, there are 96.6 rainfall days, and 16.77" (426mm) of precipitation is accumulated.

When does it snow in Jamestown?

January through May, October through December are months with snowfall in Jamestown.

How many days does it snow in Jamestown?

Throughout the year, in Jamestown, there are 63 snowfall days, and 20.91" (531mm) of snow is accumulated.

What is the month with the least sunshine in Jamestown?

January has the least sunshine of the year in Jamestown, North Dakota, with an average of 3.6h of sunshine.

When is the lowest UV index in Jamestown?

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Jamestown, North Dakota.

When is Daylight Saving Time (DST) in Jamestown?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Jamestown, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Jamestown?

June is the month with the most rainfall in Jamestown, North Dakota. Rain falls for 15.8 days and accumulates 2.95" (75mm) of precipitation.

When it does not snow in Jamestown?

In Jamestown, North Dakota, snow does not fall in June through September.

When are the longest days in Jamestown?

June has the longest days of the year in Jamestown, with an average of 15h and 49min of daylight.

When is the highest UV index in Jamestown?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Jamestown.

What is the warmest month in Jamestown?

July is the warmest month in Jamestown, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 60.4°F (15.8°C).

What month has the most sunshine in Jamestown?

The month with the most sunshine is July, with an average of 11h of sunshine.

What is the least humid month in Jamestown?

With an average relative humidity of 59%, August is the least humid month.

When does it snow the most in Jamestown?

December is the month with the most snowfall. Snow falls for 13.3 days and accumulates 4.69" (119mm) of snow.

What is the month with the shortest days in Jamestown?

December has the shortest days of the year in Jamestown, North Dakota, with an average of 8h and 36min of daylight.

Average temperature
Jamestown, ND

Average temperature - Jamestown, ND

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (17.8°F).

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (3.6°F).

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Average pressure
Jamestown, ND

Average pressure - Jamestown, ND

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed
Jamestown, ND

Average wind speed - Jamestown, ND

The windiest month (with the highest average wind speed) is October (11.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average rainfall
Jamestown, ND

Average rainfall - Jamestown, ND

The wettest month (with the highest rainfall) is June (2.95").
The driest month (with the least rainfall) is January (0.55").

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Average rainfall days
Jamestown, ND

Average rainfall days - Jamestown, ND

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (1.6 days).

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Average snowfall
Jamestown, ND

Average snowfall - Jamestown, ND

The month with the highest snowfall is December (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Jamestown, ND

Average snowfall days - Jamestown, ND

The month with the highest number of snowfall days is December (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Jamestown, ND

Average daylight / Average sunshine - Jamestown, ND

The month with the longest days is June (Average daylight: 15h and 49min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Jamestown, ND

Average sunshine days - Jamestown, ND

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).

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Average UV index
Jamestown, ND

Average UV index - Jamestown, ND

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

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Average visibility
Jamestown, ND

Average visibility - Jamestown, ND

The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).

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