December weather forecast
Truro, ND

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Weather in December

The first month of the winter, December, is also a subzero cold month in Truro, North Dakota, with an average temperature varying between 20.3°F (-6.5°C) and 9.1°F (-12.7°C).

Temperature

Truro in December experiences a marked decrease in the average high-temperature, descending from November's wintry 35.4°F (1.9°C) to a subzero cold 20.3°F (-6.5°C). Throughout December, the temperature tends to fall to a consistent average low of 9.1°F (-12.7°C).

Humidity

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

Rainfall

In Truro, in December, during 2.9 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Truro, during the entire year, the rain falls for 104.5 days and collects up to 16.1" (409mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Truro, in December, snow falls for 14 days, with typically accumulated 3.46" (88mm) of snow. Throughout the year, in Truro, there are 74.4 snowfall days, and 21.42" (544mm) of snow is accumulated.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 8:18 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:38 am and sunset at 4:59 pm CST.

Sunshine

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

UV index

In Truro, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

An average high-temperature, in December, in Truro, is 20.3°F (-6.5°C) and the average low-temperature is 9.1°F (-12.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 88%.

How much does it rain in December?

In Truro, in December, during 2.9 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 14 days. Throughout December, 3.46" (88mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 24min of daylight.

How many hours of daylight does Truro have in December?

In December, the average day length is 8h and 22min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 8:18 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:38 am and sunset at 4:59 pm CST.

What are the months with the least sunshine?

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?

The average sunshine duration in December is 3.8h.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Truro, ND

Average temperature in December - Truro, 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).

Average pressure in December
Truro, ND

Average pressure in December - Truro, 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).

Average wind speed in December
Truro, ND

Average wind speed in December - Truro, 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).

Average humidity in December
Truro, ND

Average humidity in December - Truro, 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%).

Average rainfall in December
Truro, ND

Average rainfall in December - Truro, 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").

Average rainfall days in December
Truro, ND

Average rainfall days in December - Truro, 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).

Average snowfall in December
Truro, ND

Average snowfall in December - Truro, 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").

Average snowfall days in December
Truro, ND

Average snowfall days in December - Truro, 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).

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

Average daylight in December / Average sunshine in December - Truro, 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).

Average sunshine days in December
Truro, ND

Average sunshine days in December - Truro, 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).

Average UV index in December
Truro, ND

Average UV index in December - Truro, 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).

Average cloud cover in December
Truro, ND

Average cloud cover in December - Truro, 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).

Average visibility in December
Truro, ND

Average visibility in December - Truro, 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).

Truro, North Dakota, USA

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