January 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).

Temperature

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.

Humidity

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

Rainfall

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.

Snowfall

Months with snowfall are January through May, October through December. In Jamestown, North Dakota, in January, snow falls for 12.8 days, with typically accumulated 3.35" (85mm) of snow. Throughout the year, in Jamestown, there are 63 snowfall days, and 20.91" (531mm) of snow is accumulated.

Daylight

The average length of the day in January in Jamestown, North Dakota, is 9h and 2min.
On the first day of January, sunrise is at 8:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:36 pm CST.

Sunshine

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

UV index

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Jamestown. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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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 in Jamestown, North Dakota, is January, with an average relative humidity of 90%.

What is the average humidity in January in Jamestown?

The average relative humidity in January is 90%.

What is the driest month in Jamestown?

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

How much does it rain in Jamestown in January?

In Jamestown, North Dakota, in January, it is raining for 2.7 days, with typically 0.55" (14mm) of accumulated precipitation.

How much does it snow in Jamestown in January?

In January, in Jamestown, North Dakota, it is snowing for 12.8 days. Throughout January, 3.35" (85mm) of snow is accumulated.

What is the average length of the day in January in Jamestown?

In Jamestown, the average day length in January is 9h and 2min.

When are sunrise and sunset in January in Jamestown?

On the first day of January in Jamestown, sunrise is at 8:20 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:36 pm CST.

What is the month with the least sunshine in Jamestown?

January has the least sunshine of the year, with an average of 3.6h of sunshine.

How many hours of sunshine does Jamestown have in January?

In January, the average sunshine duration in Jamestown is 3.6h.

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.

What is the UV index reading in January in Jamestown?

The average daily maximum UV index in January in Jamestown, North Dakota, is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Jamestown, ND

Average temperature in January - Jamestown, ND
  • Average high temperature in January: 17.8°F

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).

  • Average low temperature in January: 3.6°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 in January
Jamestown, ND

Average pressure in January - Jamestown, ND
  • Average pressure in January: 30.15"Hg

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 in January
Jamestown, ND

Average wind speed in January - Jamestown, ND
  • Average wind speed in January: 10.9mph

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 humidity in January
Jamestown, ND

Average humidity in January - Jamestown, ND
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in January
Jamestown, ND

Average rainfall in January - Jamestown, ND
  • Average rainfall in January: 0.55"

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 in January
Jamestown, ND

Average rainfall days in January - Jamestown, ND
  • Average rainfall days in January: 2.7 days

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 in January
Jamestown, ND

Average snowfall in January - Jamestown, ND
  • Average snowfall in January: 3.35"

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 in January
Jamestown, ND

Average snowfall days in January - Jamestown, ND
  • Average snowfall days in January: 12.8 days

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 in January /
Average sunshine in January
Jamestown, ND

Average daylight in January / Average sunshine in January - Jamestown, ND
  • Average daylight in January: 9h and 2min

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).

  • Average sunshine in January: 3h 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 in January
Jamestown, ND

Average sunshine days in January - Jamestown, ND
  • Average sunshine days in January: 16.9 days

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 in January
Jamestown, ND

Average UV index in January - Jamestown, ND
  • Average UV index in January: 1

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 cloud cover in January
Jamestown, ND

Average cloud cover in January - Jamestown, ND
  • Average cloud cover in January: 62

The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 24).

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Average visibility in January
Jamestown, ND

Average visibility in January - Jamestown, ND
  • Average visibility in January: 5mi

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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