December weather forecastSpring Creek, SD
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Spring Creek, South Dakota, with an average temperature varying between 31.8°F (-0.1°C) and 20.1°F (-6.6°C).Temperature
Spring Creek's weather undergoes a significant change with the arrival of December, as the average high-temperature drops from a chilly 46.4°F (8°C) in November to a freezing cold 31.8°F (-0.1°C). In the month of December, the average temperature dips to 20.1°F (-6.6°C) during the night.Humidity
In December, the average relative humidity is 76%.Rainfall
In December, the rain falls for 3.7 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Spring Creek, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. December is the month with the most snowfall. Snow falls for 7.1 days and accumulates 2.76" (70mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:56 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 5:19 pm CST.
Sunshine
In Spring Creek, the average sunshine in December is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spring Creek, SD
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Spring Creek, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Spring Creek, SD
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity in December
Spring Creek, SD
- Average humidity in December: 76%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall in December
Spring Creek, SD
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Spring Creek, SD
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Spring Creek, SD
- Average snowfall in December: 2.76"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Spring Creek, SD
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Spring Creek, SD
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Spring Creek, SD
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Spring Creek, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Spring Creek, SD
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility in December
Spring Creek, 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).
