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 arrival of December signals a clear decrease in the average high-temperature, falling from an icy 39.6°F (4.2°C) in November to a subzero cold 24.1°F (-4.4°C). Cosmos's nights in December experience an average temperature drop to a still freezing cold 14°F (-10°C).Humidity
The average relative humidity in December is 87%.Rainfall
In Cosmos, in December, during 2.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 99.1 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Cosmos, during December, snow falls for 10.5 days and regularly aggregates up to 1.93" (49mm) of snow. In Cosmos, during the entire year, snow falls for 49.3 days and aggregates up to 10.31" (262mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:56 am and sunset at 4:47 pm CST.
Sunshine
In Cosmos, the average sunshine in December is 3.6h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Cosmos in December?
What is the average humidity in December in Cosmos?
How many days does it rain in December in Cosmos?
How many days does it snow in December in Cosmos?
What is the month with the shortest days in Cosmos?
How many hours of daylight does Cosmos have in December?
When are sunrise and sunset in December in Cosmos?
How many hours of sunshine does Cosmos have in December?
What is the month with the lowest UV index in Cosmos?
What is the UV index reading in December in Cosmos?
Average temperature in December
Cosmos, MN
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in December: 14°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.7°F).
Average pressure in December
Cosmos, 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 (29.87"Hg).
Average wind speed in December
Cosmos, MN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Cosmos, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Cosmos, MN
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.01").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Cosmos, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in December
Cosmos, MN
- Average snowfall in December: 1.93"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Cosmos, MN
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cosmos, 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 48min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Cosmos, MN
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in December
Cosmos, 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
Cosmos, MN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Cosmos, 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 months with the lowest visibility are January, February and December (5mi).
Cosmos, Minnesota, USA
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