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 into December, a clear downswing in temperatures is observed, with average highs retreating from a frosty 44.2°F (6.8°C) to a subzero cold 28.2°F (-2.1°C). Throughout December, Okobojo records an average temperature of 16.3°F (-8.7°C) at night.Humidity
In Okobojo, South Dakota, the average relative humidity in December is 82%.Rainfall
In Okobojo, in December, it is raining for 2.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Okobojo, South Dakota, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.Snowfall
Months with snowfall in Okobojo are January through May, October through December. In Okobojo, during December, snow falls for 8.2 days and regularly aggregates up to 2.48" (63mm) of snow. Throughout the year, in Okobojo, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.Daylight
December has the shortest days of the year in Okobojo, South Dakota, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:59 am and sunset at 5:02 pm. On the last day of December, in Okobojo, sunrise is at 8:18 am and sunset at 5:11 pm CST.
Sunshine
In Okobojo, the average sunshine in December is 4.9h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Okobojo, South Dakota. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Okobojo?
What is the average humidity in December in Okobojo?
How many days does it rain in December in Okobojo?
How many days does it snow in December in Okobojo?
What is the month with the shortest days in Okobojo?
What is the average length of the day in December in Okobojo?
What time are sunrise and sunset in December in Okobojo?
How many hours of sunshine does Okobojo have in December?
What is the month with the lowest UV index in Okobojo?
What is the UV index reading in December in Okobojo?
Average temperature in December
Okobojo, SD
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Okobojo, SD
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Okobojo, SD
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).
Average humidity in December
Okobojo, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).
Average rainfall in December
Okobojo, SD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Okobojo, SD
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Okobojo, SD
- Average snowfall in December: 2.48"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Okobojo, SD
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Okobojo, SD
- Average daylight in December: 8h and 5min
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 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Okobojo, SD
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in December
Okobojo, SD
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Okobojo, SD
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in December
Okobojo, 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).
Okobojo, South Dakota, USA
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