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
December is the coldest month, with the temperature often reaching an average high of 32.2°F (0.1°C) and an average low of 18.9°F (-7.3°C).Humidity
The average relative humidity in December is 75%.Rainfall
In Tilford, during December, the rain falls for 5.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Tilford, during the entire year, the rain falls for 126.3 days and collects up to 16.77" (426mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Tilford, in December, snow falls for 9.9 days, with typically accumulated 4.06" (103mm) of snow. In Tilford, during the entire year, snow falls for 62.1 days and aggregates up to 36.26" (921mm) 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 December, sunrise is at 7:10 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm MST.
Sunshine
The average sunshine in December is 6h.UV index
The months with the lowest UV index in Tilford are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Tilford, SD
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in December
Tilford, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Tilford, SD
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in December
Tilford, SD
- Average humidity in December: 75%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in December
Tilford, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Tilford, SD
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in December
Tilford, SD
- Average snowfall in December: 4.06"
The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Tilford, SD
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Tilford, 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: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Tilford, SD
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Tilford, 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
Tilford, SD
- Average cloud cover in December: 36
The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Tilford, 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).
Tilford, South Dakota, USA
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