December weather forecastOnida, SD
December
Weather in December
December, the first month of the winter in Onida, is also a subzero cold month, with an average temperature ranging between min 14.2°F (-9.9°C) and max 25.5°F (-3.6°C).Temperature
The beginning of December marks a clear shift in the average high-temperature, receding from November's icy 41.9°F (5.5°C) to a freezing cold 25.5°F (-3.6°C). Nighttime temperature in Onida lowers to an average of 14.2°F (-9.9°C) in December.Humidity
In Onida, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 3.3 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Onida, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Onida, in December, during 11.2 snowfall days, 2.91" (74mm) of snow is typically accumulated. In Onida, during the entire year, snow falls for 59.7 days and aggregates up to 19.96" (507mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:58 am and sunset at 5:01 pm. On the last day of December, sunrise is at 8:17 am and sunset at 5:09 pm CST.
Sunshine
The average sunshine in December in Onida is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Onida, SD
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Onida, SD
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Onida, SD
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in December
Onida, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in December
Onida, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Onida, SD
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Onida, SD
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Onida, SD
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Onida, SD
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Onida, SD
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Onida, 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 January, February, November and December (UV index 1).
Average cloud cover in December
Onida, SD
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
Onida, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





