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 brings a noticeable decrease in the average high-temperature, falling from a cold 41.5°F (5.3°C) in November to a freezing cold 26.2°F (-3.2°C). Mankato experiences an average temperature drop to a still subzero cold 15.3°F (-9.3°C) during December nights.Humidity
In Mankato, the average relative humidity in December is 88%.Rainfall
In December, the rain falls for 4.8 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Mankato, during the entire year, the rain falls for 124.9 days and collects up to 23.11" (587mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 12 days and typically aggregates up to 4.33" (110mm) 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 7:31 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:47 pm CST.
Sunshine
In Mankato, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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 many days does it rain in December?
When does it snow the most?
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 many hours of sunshine does Mankato have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mankato, MN
- Average high temperature in December: 26.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.2°F).
- Average low temperature in December: 15.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Mankato, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Mankato, MN
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Mankato, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (70%).
Average rainfall in December
Mankato, MN
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Mankato, MN
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in December
Mankato, MN
- Average snowfall in December: 4.33"
The month with the highest snowfall is December (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mankato, MN
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mankato, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Mankato, MN
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Mankato, 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, February, November and December (UV index 1).
Average cloud cover in December
Mankato, MN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Mankato, MN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Mankato, Minnesota, USA
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