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 December begins, there is a noticeable decrease in the average high-temperature, falling from a frosty 46.6°F (8.1°C) in November to a freezing cold 31.1°F (-0.5°C). Nighttime temperatures in Wewela hover around an average low of 18.3°F (-7.6°C) in December.Humidity
The average relative humidity in December is 79%.Rainfall
In Wewela, in December, during 3.5 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Wewela, during the entire year, the rain falls for 103.9 days and collects up to 16.85" (428mm) of precipitation.Snowfall
Months with snowfall in Wewela are January through May, October through December. December is the month with the most snowfall in Wewela. Snow falls for 8 days and accumulates 3.19" (81mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:51 am and sunset at 5:05 pm. On the last day of December, in Wewela, South Dakota, sunrise is at 8:10 am and sunset at 5:14 pm CST.
Sunshine
In Wewela, the average sunshine in December is 5.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December leads to these advisories:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Wewela?
What is the average humidity in December in Wewela?
How much does it rain in Wewela in December?
When does it snow the most in Wewela?
How much does it snow in Wewela in December?
What is the month with the shortest days in Wewela?
How many hours of daylight does Wewela have in December?
What time are sunrise and sunset in December in Wewela?
How long on average sun shines in December in Wewela?
What is the month with the lowest UV index in Wewela?
How high is the UV index in December in Wewela?
Average temperature in December
Wewela, SD
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 18.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in December
Wewela, SD
- Average pressure in December: 30.13"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
Wewela, SD
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Wewela, SD
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in December
Wewela, SD
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Wewela, SD
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in December
Wewela, SD
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wewela, SD
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wewela, SD
- Average daylight in December: 9h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Wewela, SD
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in December
Wewela, SD
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wewela, SD
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in December
Wewela, 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).
Wewela, South Dakota, USA
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