January weather forecast
Mandan, ND

Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota
Scenic fields and vast spaces laden with green trees and shrubs in this place near the Mandan Community of North Dakota

Weather in January

January, like December, is another subzero cold winter month in Mandan, North Dakota, with temperature in the range of an average high of 20.7°F (-6.3°C) and an average low of 6.3°F (-14.3°C).

Temperature

January is the coldest month, with an average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 6.3°F (-14.3°C).

Humidity

January is the most humid month, with an average relative humidity of 89%.

Rainfall

The month with the least rainfall in Mandan is January, when the rain falls for 3 days and typically collects 0.43" (11mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Mandan, in January, during 11.4 snowfall days, 2.56" (65mm) of snow is typically accumulated. In Mandan, during the entire year, snow falls for 58.6 days and aggregates up to 18.27" (464mm) of snow.

Daylight

In January, the average length of the day is 9h and 2min.
On the first day of the month, sunrise is at 8:28 am and sunset at 5:05 pm. On the last day of January, in Mandan, sunrise is at 8:08 am and sunset at 5:45 pm CST.

Sunshine

January has the least sunshine of the year in Mandan, North Dakota, with an average of 3.9h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Mandan?

The coldest month in Mandan is January, with an average high-temperature of 20.7°F (-6.3°C) and an average low-temperature of 6.3°F (-14.3°C).

What is the most humid month in Mandan?

The most humid month is January, with an average relative humidity of 89%.

What is the average humidity in January in Mandan?

The average relative humidity in January in Mandan, North Dakota, is 89%.

What is the driest month in Mandan?

The month with the least rainfall in Mandan, North Dakota, is January, when the rain falls for 3 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Mandan in January?

In Mandan, in January, during 3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated.

How much does it snow in Mandan in January?

In Mandan, North Dakota, in January, snow falls for 11.4 days, with typically accumulated 2.56" (65mm) of snow.

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

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

When are sunrise and sunset in January in Mandan?

On the first day of January, sunrise is at 8:28 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:45 pm CST.

What is the month with the least sunshine in Mandan?

January has the least sunshine of the year in Mandan, with an average of 3.9h of sunshine.

How long on average sun shines in January in Mandan?

The average sunshine duration in January in Mandan, North Dakota, is 3.9h.

What is the UV index intensity in January in Mandan?

The average daily maximum UV index in January in Mandan, North Dakota, is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.

Average temperature in January
Mandan, ND

Average temperature in January - Mandan, ND
  • Average high temperature in January: 20.7°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in January: 6.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

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Average pressure in January
Mandan, ND

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in January
Mandan, ND

Average wind speed in January - Mandan, ND
  • Average wind speed in January: 10.2mph

The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in January
Mandan, ND

Average humidity in January - Mandan, ND
  • Average humidity in January: 89%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).

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Average rainfall in January
Mandan, ND

Average rainfall in January - Mandan, ND
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Mandan, ND

Average rainfall days in January - Mandan, ND
  • Average rainfall days in January: 3 days

The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in January
Mandan, ND

Average snowfall in January - Mandan, ND
  • Average snowfall in January: 2.56"

The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mandan, ND

Average snowfall days in January - Mandan, ND
  • Average snowfall days in January: 11.4 days

The month with the highest number of snowfall days is December (12.8 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
Mandan, ND

Average daylight in January / Average sunshine in January - Mandan, 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 37min).

  • Average sunshine in January: 3.9h

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 3.9h).

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Average sunshine days in January
Mandan, ND

Average sunshine days in January - Mandan, ND
  • Average sunshine days in January: 18.1 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).

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Average UV index in January
Mandan, ND

Average UV index in January - Mandan, ND
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are November and December (UV index 1).

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Average cloud cover in January
Mandan, ND

Average cloud cover in January - Mandan, ND
  • Average cloud cover in January: 59

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in January
Mandan, ND

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

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

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