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
The coldest time of the year is December, with temperatures averaging a high of 31.8°F (-0.1°C) and a low of 21.2°F (-6°C).Humidity
In December, the average relative humidity in De Smet is 90%.Rainfall
In De Smet, in December, it is raining for 10.7 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, in De Smet, there are 145.2 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In De Smet, in December, snow falls for 16.3 days, with typically accumulated 13.39" (340mm) of snow. Throughout the year, there are 70.2 snowfall days, and 59.69" (1516mm) of snow is accumulated.Daylight
The month with the shortest days in De Smet, Idaho, is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:08 pm PST.
Sunshine
February and December, with an average of 3.5h of sunshine, are months with the least sunshine in De Smet, Idaho.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in De Smet, Idaho. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a regular UV index of 1 translates into these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the coldest months in De Smet?
How cold is December in De Smet?
What is the average humidity in December in De Smet?
How many days does it rain in December in De Smet?
How much does it snow in De Smet in December?
What is the month with the shortest days in De Smet?
What is the average length of the day in December in De Smet?
When are sunrise and sunset in December in De Smet?
What are the months with the least sunshine in De Smet?
How long on average sun shines in December in De Smet?
When is the lowest UV index in De Smet?
How high is the UV index in December in De Smet?
Average temperature in December
De Smet, ID
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in December
De Smet, ID
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
De Smet, ID
- Average wind speed in December: 4.1mph
The windiest month (with the highest average wind speed) is April (5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).
Average humidity in December
De Smet, ID
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
De Smet, ID
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
De Smet, ID
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is April (18.7 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in December
De Smet, ID
- Average snowfall in December: 13.39"
The month with the highest snowfall is January (16.22").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
De Smet, ID
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is December (16.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
De Smet, ID
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 30min).
Average sunshine days in December
De Smet, ID
- Average sunshine days in December: 9.7 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in December
De Smet, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
De Smet, ID
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
De Smet, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
De Smet, Idaho, USA
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