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
With the beginning of December, Sleepy Eye's average high-temperature experiences a significant decrease, moving from an icy 41.5°F (5.3°C) in November to a freezing cold 25.3°F (-3.7°C). Nighttime temperatures hover around an average low of 14.9°F (-9.5°C) in December.Humidity
In Sleepy Eye, the average relative humidity in December is 86%.Rainfall
In December, the rain falls for 3.1 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 99.2 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 10 days. Throughout December, 1.93" (49mm) of snow is accumulated. In Sleepy Eye, during the entire year, snow falls for 45.6 days and aggregates up to 11.42" (290mm) 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 the month, sunrise is at 7:35 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:54 am and sunset at 4:49 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality 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 it in December?
What is the average humidity in December?
How much does it rain 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 are sunrise and sunset in December?
How many hours of sunshine does Sleepy Eye have in December?
What is the UV index reading in December?
Average temperature in December
Sleepy Eye, MN
- Average high temperature in December: 25.3°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 (20.7°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Sleepy Eye, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Sleepy Eye, MN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in December
Sleepy Eye, MN
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are May and October (68%).
Average rainfall in December
Sleepy Eye, 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 (0.35").
Average rainfall days in December
Sleepy Eye, MN
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Sleepy Eye, MN
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sleepy Eye, MN
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sleepy Eye, 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 0min
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 42min).
Average sunshine days in December
Sleepy Eye, MN
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Sleepy Eye, 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
Sleepy Eye, MN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in December
Sleepy Eye, 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).
Sleepy Eye, Minnesota, USA
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