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 start of December signals a considerable reduction in the average high-temperature, receding from an icy 39.9°F (4.4°C) in November to a subzero cold 23.7°F (-4.6°C). An average nighttime temperature of 12.6°F (-10.8°C) is recorded in De Graff during December.Humidity
The average relative humidity in December is 86%.Rainfall
In December, in De Graff, the rain falls for 3.2 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In De Graff, during the entire year, the rain falls for 109.8 days and collects up to 20.47" (520mm) of precipitation.Snowfall
Months with snowfall in De Graff are January through May, October through December. The month with the most snowfall in De Graff is December, when snow falls for 10.6 days and typically aggregates up to 4.25" (108mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in De Graff, Minnesota.On the first day of the month, sunrise is at 7:41 am and sunset at 4:40 pm. On the last day of December, in De Graff, sunrise is at 8:00 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December is 3.7h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in De Graff. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to 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 De Graff in December?
What is the average humidity in December in De Graff?
How many days does it rain in December in De Graff?
When does it snow the most in De Graff?
How much does it snow in De Graff in December?
What is the month with the shortest days in De Graff?
How many hours of daylight does De Graff have in December?
When is the sunrise / sunset in December in De Graff?
How long on average sun shines in December in De Graff?
What are the months with the lowest UV index in De Graff?
How high is the UV index in December in De Graff?
Average temperature in December
De Graff, MN
- Average high temperature in December: 23.7°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 (18.7°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (4.6°F).
Average pressure in December
De Graff, MN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
De Graff, MN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.6mph).
Average humidity in December
De Graff, MN
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
De Graff, MN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is July (3.43").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in December
De Graff, MN
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2 days).
Average snowfall in December
De Graff, MN
- Average snowfall in December: 4.25"
The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
De Graff, MN
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
De Graff, MN
- Average daylight in December: 8h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
De Graff, MN
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in December
De Graff, MN
- Average UV index in December: 1
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 December (UV index 1).
Average cloud cover in December
De Graff, MN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
De Graff, MN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
De Graff, Minnesota, USA
Weather forecast for your location
2. Allow the app to use your location