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
December's arrival signals a distinct temperature shift, dropping from a cold 37.8°F (3.2°C) in November to a subzero cold 22.6°F (-5.2°C). In the month of December, the average temperature dips to an extreme cold 12.6°F (-10.8°C) during the night.Humidity
In Saint Rosa, the average relative humidity in December is 88%.Rainfall
In Saint Rosa, Minnesota, in December, during 2.9 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Saint Rosa, during the entire year, the rain falls for 107.6 days and collects up to 16.3" (414mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Saint Rosa. December is the month with the most snowfall. Snow falls for 11.8 days and accumulates 3.78" (96mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine in Saint Rosa, Minnesota, is 3.4h.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 minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December translates into these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Saint Rosa have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Saint Rosa have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Saint Rosa, MN
- Average high temperature in December: 22.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in December: 12.6°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 (4.8°F).
Average pressure in December
Saint Rosa, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Saint Rosa, MN
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in December
Saint Rosa, 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
Saint Rosa, MN
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in December
Saint Rosa, MN
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Saint Rosa, MN
- Average snowfall in December: 3.78"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Rosa, MN
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Rosa, MN
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 3h and 2min
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
Saint Rosa, MN
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Saint Rosa, 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
Saint Rosa, MN
- Average cloud cover in December: 64
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
Saint Rosa, 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).
Saint Rosa, Minnesota, USA
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