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 changeover to December signals a significant decrease in the average high-temperature, dropping from an icy 36.1°F (2.3°C) in November to a subzero cold 21.4°F (-5.9°C). In December, the average low-temperature is a frigid cold 11.7°F (-11.3°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Bertha, in December, during 2.4 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Bertha, during the entire year, the rain falls for 95.6 days and collects up to 13.9" (353mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.2 days and accumulates 3.03" (77mm) of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:43 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine is 3.1h.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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 many days does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bertha have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Bertha, MN
- Average high temperature in December: 21.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (16.9°F).
- Average low temperature in December: 11.7°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (3.7°F).
Average pressure in December
Bertha, 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
Bertha, MN
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are April and October (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Bertha, MN
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Bertha, MN
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in December
Bertha, MN
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1 days).
Average snowfall in December
Bertha, MN
- Average snowfall in December: 3.03"
The month with the highest snowfall is December (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bertha, MN
- Average snowfall days in December: 13.2 days
The months with the highest number of snowfall days are January and December (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bertha, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Bertha, MN
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in December
Bertha, 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
Bertha, MN
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in December
Bertha, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Bertha, Minnesota, USA
Weather forecast for your location
2. Allow the app to use your location