Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December indicates a noticeable reduction in the average high-temperature, moving down from an icy 37°F (2.8°C) in November to a freezing cold 21.6°F (-5.8°C). An average low-temperature of 10°F (-12.2°C) is anticipated throughout the nights during December.Humidity
The average relative humidity in December is 88%.Rainfall
In Stanley, during December, the rain falls for 1.8 days and regularly aggregates up to 0.24" (6mm) of precipitation. Throughout the year, there are 69.9 rainfall days, and 6.77" (172mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Stanley, in December, during 10.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 55.5 snowfall days, and 6.46" (164mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 8:20 am and sunset at 4:57 pm. On the last day of December, in Stanley, sunrise is at 8:40 am and sunset at 5:05 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Stanley have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine in Stanley?
How many hours of sunshine does Stanley have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Stanley, ND
- Average high temperature in December: 21.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in December: 10°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in December
Stanley, ND
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Stanley, ND
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Stanley, 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 (52%).
Average rainfall in December
Stanley, ND
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is June (1.18").
The driest months (with the least rainfall) are January and February (0.2").
Average rainfall days in December
Stanley, ND
- Average rainfall days in December: 1.8 days
The month with the highest number of rainy days is June (11.3 days).
The month with the least rainy days is February (1.6 days).
Average snowfall in December
Stanley, ND
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Stanley, ND
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stanley, ND
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
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 54min).
Average sunshine days in December
Stanley, ND
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in December
Stanley, 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, February, March, October, November and December (UV index 2).
Average cloud cover in December
Stanley, ND
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
Stanley, ND
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Stanley, North Dakota, USA
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