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
As December sets, the average high-temperature displays a significant decrease, moving down from an icy 34.2°F (1.2°C) in November to a subzero cold 18.1°F (-7.7°C). Throughout December nights, Sweetwater registers an average low-temperature of 7.2°F (-13.8°C).Humidity
In Sweetwater, North Dakota, the average relative humidity in December is 90%.Rainfall
In Sweetwater, in December, it is raining for 2.1 days, with typically 0.67" (17mm) of accumulated precipitation. In Sweetwater, during the entire year, the rain falls for 95.3 days and collects up to 14.41" (366mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 15.5 days and typically aggregates up to 3.9" (99mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 8:05 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 8:26 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Sweetwater are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Sweetwater in December?
What is the average humidity in December in Sweetwater?
How much does it rain in Sweetwater in December?
When does it snow the most in Sweetwater?
How many days does it snow in December in Sweetwater?
What is the month with the shortest days in Sweetwater?
How many hours of daylight does Sweetwater have in December?
When are sunrise and sunset in December in Sweetwater?
How long on average sun shines in December in Sweetwater?
What are the months with the lowest UV index in Sweetwater?
What is the UV index intensity in December in Sweetwater?
Average temperature in December
Sweetwater, ND
- Average high temperature in December: 18.1°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in December: 7.2°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1°F).
Average pressure in December
Sweetwater, 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 (29.85"Hg).
Average wind speed in December
Sweetwater, ND
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Sweetwater, ND
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Sweetwater, ND
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in December
Sweetwater, ND
- Average rainfall days in December: 2.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).
Average snowfall in December
Sweetwater, ND
- Average snowfall in December: 3.9"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sweetwater, ND
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sweetwater, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Sweetwater, ND
- Average sunshine days in December: 16.3 days
The months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Sweetwater, ND
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Sweetwater, ND
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Sweetwater, 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).
Sweetwater, North Dakota, USA
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