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
In December, the average high-temperature declines considerably from a wintry 37°F (2.8°C) in November to a subzero cold 22.3°F (-5.4°C). In December, the average low-temperature is 11.8°F (-11.2°C).Humidity
In Isle, the average relative humidity in December is 89%.Rainfall
In Isle, during December, the rain falls for 3.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Isle, during the entire year, the rain falls for 109.6 days and collects up to 15.83" (402mm) of precipitation.Snowfall
Months with snowfall in Isle are January through May, October through December. December is the month with the most snowfall. Snow falls for 15.6 days and accumulates 4.41" (112mm) of snow.Daylight
December has the shortest days of the year in Isle, Minnesota, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:30 pm. On the last day of December, in Isle, sunrise is at 7:56 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December in Isle is 2.8h.UV index
The months with the lowest UV index in Isle are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the temperature in December in Isle?
What is the average humidity in December in Isle?
How much does it rain in Isle in December?
When does it snow the most in Isle?
How much does it snow in Isle in December?
What is the month with the shortest days in Isle?
What is the average length of the day in December in Isle?
What time are sunrise and sunset in December in Isle?
How long on average sun shines in December in Isle?
What is the month with the lowest UV index in Isle?
How high is the UV index in December in Isle?
Average temperature in December
Isle, MN
- Average high temperature in December: 22.3°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.4°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in December
Isle, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Isle, MN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Isle, MN
- Average humidity in December: 89%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Isle, MN
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Isle, MN
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Isle, MN
- Average snowfall in December: 4.41"
The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Isle, MN
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Isle, MN
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 43min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Isle, MN
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11 days).
Average UV index in December
Isle, MN
- 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
Isle, MN
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Isle, MN
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
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