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 November transitions to December, the average high-temperature falls from a wintry 42.1°F (5.6°C) to a subzero cold 27.9°F (-2.3°C). During the month of December, the temperature generally drops to a low average of 16°F (-8.9°C).Humidity
The average relative humidity in December is 79%.Rainfall
In December, in Sorum, the rain falls for 3.8 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. In Sorum, during the entire year, the rain falls for 103.8 days and collects up to 14.88" (378mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Sorum, it is snowing for 10.9 days. Throughout December, 2.76" (70mm) of snow is accumulated. Throughout the year, in Sorum, there are 62.2 snowfall days, and 22.95" (583mm) of snow is accumulated.Daylight
December has the shortest days of the year in Sorum, with an average of 8h and 48min of daylight.On the first day of December in Sorum, sunrise is at 7:12 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:18 pm MST.
Sunshine
The average sunshine in December in Sorum is 5.2h.UV index
The months with the lowest UV index in Sorum are February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Sorum in December?
What is the average humidity in December in Sorum?
How much does it rain in Sorum in December?
How much does it snow in Sorum in December?
What is the month with the shortest days in Sorum?
How many hours of daylight does Sorum have in December?
When are sunrise and sunset in December in Sorum?
How many hours of sunshine does Sorum have in December?
What is the month with the lowest UV index in Sorum?
What is the UV index reading in December in Sorum?
Average temperature in December
Sorum, SD
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Sorum, SD
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Sorum, SD
- Average wind speed in December: 11.2mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in December
Sorum, SD
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Sorum, SD
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in December
Sorum, SD
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Sorum, SD
- Average snowfall in December: 2.76"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sorum, SD
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Sorum, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in December
Sorum, SD
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Sorum, SD
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Sorum, SD
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Sorum, SD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sorum, South Dakota, USA
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