December weather forecast
Tolley, ND

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Weather in December

December, the first month of the winter in Tolley, is still a freezing cold month, with an average temperature fluctuating between 9.1°F (-12.7°C) and 20.3°F (-6.5°C).

Temperature

Tolley in December showcases a distinct temperature shift, moving from an average high of a wintry 35.4°F (1.9°C) in November to a freezing cold 20.3°F (-6.5°C). Tolley records an average low of 9.1°F (-12.7°C) throughout the nights in December.

Humidity

In Tolley, the average relative humidity in December is 88%.

Rainfall

In December, the rain falls for 2.9 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, in Tolley, North Dakota, there are 104.5 rainfall days, and 16.1" (409mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tolley are January through May, October through December. In Tolley, during December, snow falls for 14 days and regularly aggregates up to 3.46" (88mm) of snow. In Tolley, North Dakota, during the entire year, snow falls for 74.4 days and aggregates up to 21.42" (544mm) of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 8:19 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:40 am and sunset at 5:01 pm CST.

Sunshine

January and December, with an average of 3.8h of sunshine, are months with the least sunshine.

UV index

The average daily maximum UV index in December in Tolley is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is December in Tolley?

The average high-temperature and low-temperature during December are 20.3°F (-6.5°C) and 9.1°F (-12.7°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Tolley?

The average relative humidity in December in Tolley is 88%.

How many days does it rain in December in Tolley?

In Tolley, North Dakota, in December, it is raining for 2.9 days, with typically 0.59" (15mm) of accumulated precipitation.

How many days does it snow in December in Tolley?

In Tolley, North Dakota, in December, snow falls for 14 days, with typically accumulated 3.46" (88mm) of snow.

What is the month with the shortest days in Tolley?

December has the shortest days of the year in Tolley, with an average of 8h and 24min of daylight.

What is the average length of the day in December in Tolley?

In Tolley, the average day length in December is 8h and 21min.

When is the sunrise / sunset in December in Tolley?

In December, on the first day of the month, sunrise is at 8:19 am and sunset at 4:53 pm. On the last day of the month, in Tolley, North Dakota, sunrise is at 8:40 am and sunset at 5:01 pm CST.

What is the month with the least sunshine in Tolley?

January and December, with an average of 3.8h of sunshine, are months with the least sunshine.

How long on average sun shines in December in Tolley?

In Tolley, the average sunshine duration in December is 3.8h.

What is the UV index reading in December in Tolley?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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 December
Tolley, ND

Average temperature in December - Tolley, ND
  • Average high temperature in December: 20.3°F

The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in December: 9.1°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

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Average pressure in December
Tolley, ND

Average pressure in December - Tolley, ND
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Tolley, ND

Average wind speed in December - Tolley, ND
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in December
Tolley, ND

Average humidity in December - Tolley, ND
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).

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Average rainfall in December
Tolley, ND

Average rainfall in December - Tolley, ND
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are January and February (0.51").

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Average rainfall days in December
Tolley, ND

Average rainfall days in December - Tolley, ND
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is February (2 days).

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Average snowfall in December
Tolley, ND

Average snowfall in December - Tolley, ND
  • Average snowfall in December: 3.46"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Tolley, ND

Average snowfall days in December - Tolley, ND
  • Average snowfall days in December: 14 days

The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Tolley, ND

Average daylight in December / Average sunshine in December - Tolley, ND
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).

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Average sunshine days in December
Tolley, ND

Average sunshine days in December - Tolley, ND
  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in December
Tolley, ND

Average UV index in December - Tolley, ND
  • Average UV index in December: 2

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

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Average cloud cover in December
Tolley, ND

Average cloud cover in December - Tolley, ND
  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in December
Tolley, ND

Average visibility in December - Tolley, ND
  • Average visibility in December: 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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Tolley, North Dakota, USA

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