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 transitions into December, Walnut Grove sees a clear drop in the average high-temperature, declining from a wintry 41.5°F (5.3°C) to a freezing cold 25.9°F (-3.4°C). The temperature lowers to an average of 14.9°F (-9.5°C) during December nights.Humidity
The average relative humidity in December is 85%.Rainfall
In December, the rain falls for 3.6 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Walnut Grove, during the entire year, the rain falls for 110.5 days and collects up to 18.23" (463mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Walnut Grove, in December, snow falls for 10.5 days, with typically accumulated 3.78" (96mm) of snow. In Walnut Grove, during the entire year, snow falls for 50 days and aggregates up to 20.79" (528mm) of snow.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 7:38 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
In December, the average daily maximum UV index in Walnut Grove is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Walnut Grove 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 is the sunrise / sunset in December?
How long on average sun shines in December in Walnut Grove?
What is the UV index reading in December?
Average temperature in December
Walnut Grove, MN
- Average high temperature in December: 25.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in December
Walnut Grove, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Walnut Grove, MN
- Average wind speed in December: 10.6mph
The windiest months (with the highest average wind speed) are February and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Walnut Grove, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Walnut Grove, MN
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Walnut Grove, MN
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in December
Walnut Grove, MN
- Average snowfall in December: 3.78"
The month with the highest snowfall is February (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Walnut Grove, MN
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Walnut Grove, MN
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Walnut Grove, MN
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in December
Walnut Grove, MN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Walnut Grove, MN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Walnut Grove, MN
- 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).
Walnut Grove, Minnesota, USA
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