December weather forecastRosholt, SD
December
Weather in December
December, the first month of the winter in Rosholt, is still a freezing cold month, with an average temperature ranging between max 23.9°F (-4.5°C) and min 12.7°F (-10.7°C).Temperature
The shift into December brings a noticeable decrease in the average high-temperature, falling from a wintry 40.1°F (4.5°C) in November to a subzero cold 23.9°F (-4.5°C). Throughout the month of December, Rosholt reports a steady low-temperature average of 12.7°F (-10.7°C).Humidity
In Rosholt, the average relative humidity in December is 85%.Rainfall
In Rosholt, in December, during 3.7 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Rosholt, during the entire year, the rain falls for 102 days and collects up to 19.17" (487mm) of precipitation.Snowfall
Months with snowfall in Rosholt, South Dakota, are January through May, October through December. December is the month with the most snowfall in Rosholt. Snow falls for 11.5 days and accumulates 4.45" (113mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 4:43 pm. On the last day of December, sunrise is at 8:08 am and sunset at 4:52 pm CST.
Sunshine
The average sunshine in December in Rosholt is 3.8h.UV index
The months with the lowest UV index in Rosholt are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosholt, SD
- Average high temperature in December: 23.9°F
The warmest months (with the highest average high temperature) are July and August (81.3°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Rosholt, SD
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Rosholt, SD
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Rosholt, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is September (65%).
Average rainfall in December
Rosholt, SD
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are June and July (3.03").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Rosholt, SD
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Rosholt, SD
- Average snowfall in December: 4.45"
The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rosholt, SD
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rosholt, SD
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Rosholt, SD
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Rosholt, SD
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rosholt, SD
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Rosholt, SD
- 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).
