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's arrival witnesses a distinct temperature drop, receding from November's icy 32.2°F (0.1°C) to a freezing cold 16.7°F (-8.5°C). During December, Shell Valley sees a mean low-temperature of 5.9°F (-14.5°C).Humidity
The average relative humidity in December is 91%.Rainfall
In Shell Valley, in December, it is raining for 2.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Shell Valley, North Dakota, during the entire year, the rain falls for 110.9 days and collects up to 17.95" (456mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Shell Valley. In Shell Valley, in December, during 15.7 snowfall days, 3.98" (101mm) of snow is typically accumulated. Throughout the year, there are 86.8 snowfall days, and 23.78" (604mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 8:12 am and sunset at 4:45 pm. On the last day of December, in Shell Valley, sunrise is at 8:32 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine in Shell Valley is 3.2h.UV index
The months with the lowest UV index in Shell Valley are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Shell Valley in December?
What is the average humidity in December in Shell Valley?
How much does it rain in Shell Valley in December?
How many days does it snow in December in Shell Valley?
What is the month with the shortest days in Shell Valley?
What is the average length of the day in December in Shell Valley?
When are sunrise and sunset in December in Shell Valley?
How many hours of sunshine does Shell Valley have in December?
What are the months with the lowest UV index in Shell Valley?
How high is the UV index in December in Shell Valley?
Average temperature in December
Shell Valley, ND
- Average high temperature in December: 16.7°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is January (14.2°F).
- Average low temperature in December: 5.9°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (0.5°F).
Average pressure in December
Shell Valley, 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 (29.85"Hg).
Average wind speed in December
Shell Valley, ND
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Shell Valley, ND
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Shell Valley, ND
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
Shell Valley, ND
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Shell Valley, ND
- Average snowfall in December: 3.98"
The month with the highest snowfall is November (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shell Valley, ND
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is December (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shell Valley, 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 18min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Shell Valley, ND
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Shell Valley, ND
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Shell Valley, ND
- Average cloud cover in December: 67
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Shell Valley, 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).
Shell Valley, North Dakota, USA
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