December weather forecastCollegeville, MN
December
Weather in December
December, the first month of the winter in Collegeville, is still a freezing cold month, with an average temperature fluctuating between 12.7°F (-10.7°C) and 23.5°F (-4.7°C).Temperature
As Collegeville transitions into December, a marked decrease in the average high-temperature is observed, dropping from a wintry 37.9°F (3.3°C) in November to a freezing cold 23.5°F (-4.7°C). The nights of December in Collegeville, Minnesota, anticipate an average low-temperature of 12.7°F (-10.7°C).Humidity
The average relative humidity in December in Collegeville is 88%.Rainfall
In Collegeville, Minnesota, during December, the rain falls for 2.1 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Collegeville, Minnesota, during the entire year, the rain falls for 94.2 days and collects up to 11.85" (301mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Collegeville. The month with the most snowfall is December, when snow falls for 10.4 days and typically aggregates up to 2.72" (69mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:38 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine in Collegeville is 3.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Collegeville. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Collegeville, MN
- Average high temperature in December: 23.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.3°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in December
Collegeville, 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
Collegeville, MN
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Collegeville, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Collegeville, MN
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is June (2.09").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Collegeville, MN
- Average rainfall days in December: 2.1 days
The month with the highest number of rainy days is June (14 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in December
Collegeville, MN
- Average snowfall in December: 2.72"
The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Collegeville, MN
- Average snowfall days in December: 10.4 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Collegeville, MN
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Collegeville, MN
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in December
Collegeville, 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
Collegeville, MN
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Collegeville, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).





