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
December
Weather in December
Temperature
A clear decrease in the average high-temperature is observed during December, decreasing from an icy 41°F (5°C) in November to a freezing cold 25.9°F (-3.4°C). Heidelberg experiences a mean low-temperature of 14.9°F (-9.5°C) during December.Humidity
The average relative humidity in December is 88%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 126.1 rainfall days, and 25.55" (649mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Heidelberg. In Heidelberg, in December, during 13.5 snowfall days, 5.35" (136mm) of snow is typically accumulated. In Heidelberg, during the entire year, snow falls for 63.7 days and aggregates up to 27.48" (698mm) 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 December, sunrise is at 7:31 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost 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 much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Heidelberg have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Heidelberg, MN
- Average high temperature in December: 25.9°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 (20.7°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in December
Heidelberg, 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 (29.88"Hg).
Average wind speed in December
Heidelberg, MN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Heidelberg, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in December
Heidelberg, MN
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
Heidelberg, MN
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in December
Heidelberg, MN
- Average snowfall in December: 5.35"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Heidelberg, MN
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heidelberg, 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: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Heidelberg, MN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in December
Heidelberg, 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
Heidelberg, MN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Heidelberg, MN
- Average visibility in December: 4mi
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, February and December (4mi).