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
The arrival of December signals a clear decrease in the average high-temperature, falling from a cold 35.6°F (2°C) in November to a freezing cold 20.3°F (-6.5°C). Ralston's December nights cool down to an average low-temperature of 9.3°F (-12.6°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Ralston, in December, during 2.2 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. In Ralston, during the entire year, the rain falls for 89.5 days and collects up to 13.94" (354mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Ralston, during December, snow falls for 11.2 days and regularly aggregates up to 2.72" (69mm) of snow. In Ralston, during the entire year, snow falls for 58.4 days and aggregates up to 16.22" (412mm) 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 8:16 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:36 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
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Ralston?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Ralston have in December?
What is the UV index intensity in December?
Average temperature in December
Ralston, ND
- Average high temperature in December: 20.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 9.3°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (4.5°F).
Average pressure in December
Ralston, 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
Ralston, ND
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is October (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in December
Ralston, ND
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Ralston, ND
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in December
Ralston, ND
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Ralston, ND
- Average snowfall in December: 2.72"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ralston, ND
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ralston, 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 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in December
Ralston, ND
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in December
Ralston, ND
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Ralston, 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
Ralston, 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).
Ralston, North Dakota, USA
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