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 gives way to December, the average high-temperature displays a considerable decrease, falling from a wintry 41.9°F (5.5°C) to a subzero cold 25.5°F (-3.6°C). Throughout the December nights, Agar encounters a low-temperature of 14.2°F (-9.9°C).Humidity
The average relative humidity in December in Agar, South Dakota, is 84%.Rainfall
In Agar, in December, during 3.3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 97.8 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Agar. In Agar, in December, snow falls for 11.2 days, with typically accumulated 2.91" (74mm) of snow. Throughout the year, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
December has the shortest days of the year, 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 5:00 pm. On the last day of December, in Agar, sunrise is at 8:17 am and sunset at 5:09 pm CST.
Sunshine
The average sunshine in December in Agar is 4.4h.UV index
The months with the lowest UV index in Agar are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Agar in December?
What is the average humidity in December in Agar?
How much does it rain in Agar in December?
How many days does it snow in December in Agar?
What is the month with the shortest days in Agar?
What is the average length of the day in December in Agar?
When are sunrise and sunset in December in Agar?
How many hours of sunshine does Agar have in December?
What is the month with the lowest UV index in Agar?
What is the UV index reading in December in Agar?
Average temperature in December
Agar, 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
Agar, 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
Agar, 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
Agar, 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
Agar, 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
Agar, 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
Agar, 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
Agar, 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
Agar, 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 2min
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
Agar, 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
Agar, 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
Agar, 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
Agar, 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).
Agar, South Dakota, USA
Weather forecast for your location
2. Allow the app to use your location