December weather forecastGrygla, MN
December
Weather in December
December, the first month of the winter in Grygla, is also a subzero cold month, with an average temperature varying between 18.5°F (-7.5°C) and 7.5°F (-13.6°C).Temperature
The arrival of December is marked by a notable decrease in high-temperatures, falling from an icy 34.3°F (1.3°C) in November to a freezing cold 18.5°F (-7.5°C). December brings with it a nighttime average temperature of 7.5°F (-13.6°C).Humidity
The average relative humidity in December is 91%.Rainfall
In Grygla, in December, it is raining for 2.5 days, with typically 0.91" (23mm) of accumulated precipitation. In Grygla, during the entire year, the rain falls for 104.3 days and collects up to 18.39" (467mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 16.2 days and typically aggregates up to 5.24" (133mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:53 am and sunset at 4:30 pm. On the last day of December, sunrise is at 8:13 am and sunset at 4:38 pm CST.
Sunshine
The average sunshine in December is 2.8h.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 1 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grygla, MN
- Average high temperature in December: 18.5°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).
- Average low temperature in December: 7.5°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in December
Grygla, MN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Grygla, MN
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Grygla, MN
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).
Average rainfall in December
Grygla, MN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in December
Grygla, MN
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).
Average snowfall in December
Grygla, MN
- Average snowfall in December: 5.24"
The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grygla, MN
- Average snowfall days in December: 16.2 days
The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Grygla, MN
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Grygla, MN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in December
Grygla, 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
Grygla, MN
- Average cloud cover in December: 72
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Grygla, 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).
