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 shift into December is marked by a noticeable reduction in the average high-temperature, decreasing from November's wintry 36.5°F (2.5°C) to a subzero cold 19.9°F (-6.7°C). Shelly experiences a steady low-temperature of 8.6°F (-13°C) throughout December.Humidity
In Shelly, the average relative humidity in December is 89%.Rainfall
In Shelly, during December, the rain falls for 3.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Shelly, during the entire year, the rain falls for 103 days and collects up to 18.35" (466mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.Daylight
The month with the shortest days in Shelly is December, with an average of 8h and 30min of daylight.On the first day of December, sunrise is at 7:54 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 4:46 pm CST.
Sunshine
In Shelly, the average sunshine in December is 3.4h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Shelly in December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Shelly have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Shelly, MN
- Average high temperature in December: 19.9°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in December: 8.6°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).
Average pressure in December
Shelly, MN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Shelly, MN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Shelly, MN
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Shelly, MN
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in December
Shelly, MN
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in December
Shelly, MN
- Average snowfall in December: 4.53"
The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shelly, MN
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Shelly, MN
- Average daylight in December: 8h and 3min
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 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Shelly, MN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Shelly, MN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Shelly, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Shelly, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Shelly, Minnesota, USA
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