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, Cromwell sees a clear drop in the average high-temperature, declining from a cold 36.5°F (2.5°C) to a subzero cold 22.1°F (-5.5°C). Cromwell observes an average nighttime temperature of 11.3°F (-11.5°C) during December.Humidity
In Cromwell, the average relative humidity in December is 89%.Rainfall
In Cromwell, in December, it is raining for 3 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, in Cromwell, there are 114 rainfall days, and 20.08" (510mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 15.9 days and accumulates 6.46" (164mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Cromwell, sunrise is at 7:36 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 4:33 pm CST.
Sunshine
The average sunshine in December in Cromwell is 2.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts 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. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
How cold is it in Cromwell in December?
What is the average humidity in December in Cromwell?
How much does it rain in Cromwell in December?
When does it snow the most in Cromwell?
How much does it snow in Cromwell in December?
What is the month with the shortest days in Cromwell?
How many hours of daylight does Cromwell have in December?
When is the sunrise / sunset in December in Cromwell?
How many hours of sunshine does Cromwell have in December?
When is the lowest UV index in Cromwell?
How high is the UV index in December in Cromwell?
Average temperature in December
Cromwell, MN
- Average high temperature in December: 22.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in December: 11.3°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (3.2°F).
Average pressure in December
Cromwell, MN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Cromwell, MN
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Cromwell, 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
Cromwell, MN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Cromwell, MN
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in December
Cromwell, MN
- Average snowfall in December: 6.46"
The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cromwell, MN
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cromwell, MN
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Cromwell, MN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in December
Cromwell, 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
Cromwell, 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 35).
Average visibility in December
Cromwell, MN
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Cromwell, Minnesota, USA
Weather forecast for your location
2. Allow the app to use your location
