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
With December's arrival, Grawn's weather changes as the average high-temperature falls from an icy 41.9°F (5.5°C) in November to a freezing cold 31.3°F (-0.4°C). In Grawn, the nighttime temperature in December descends gently to an average of 25.2°F (-3.8°C).Humidity
In December, the average relative humidity in Grawn is 84%.Rainfall
In Grawn, in December, it is raining for 4.3 days, with typically 0.67" (17mm) of accumulated precipitation. In Grawn, during the entire year, the rain falls for 94.8 days and collects up to 8.35" (212mm) of precipitation.Snowfall
Months with snowfall in Grawn are January through May, October through December. In Grawn, in December, during 12 snowfall days, 2.01" (51mm) of snow is typically accumulated. Throughout the year, there are 62.8 snowfall days, and 10.67" (271mm) of snow is accumulated.Daylight
December has the shortest days of the year in Grawn, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 8:00 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 5:12 pm EST.
Sunshine
In December, the average sunshine in Grawn is 2.3h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Grawn. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
How cold is it in Grawn in December?
What is the average humidity in December in Grawn?
How many days does it rain in December in Grawn?
How much does it snow in Grawn in December?
What is the month with the shortest days in Grawn?
What is the average length of the day in December in Grawn?
What time are sunrise and sunset in December in Grawn?
How long on average sun shines in December in Grawn?
What is the month with the lowest UV index in Grawn?
How high is the UV index in December in Grawn?
Average temperature in December
Grawn, MI
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is August (59.5°F).
The coldest months (with the lowest average low temperature) are January and February (18.1°F).
Average pressure in December
Grawn, MI
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Grawn, MI
- Average wind speed in December: 12mph
The windiest months (with the highest average wind speed) are January and December (12mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Grawn, MI
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Grawn, MI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Grawn, MI
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Grawn, MI
- Average snowfall in December: 2.01"
The months with the highest snowfall are January and November (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Grawn, MI
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grawn, MI
- 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: 2h 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: 1h and 48min).
Average sunshine days in December
Grawn, MI
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is March (18.8 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in December
Grawn, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Grawn, MI
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Grawn, MI
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grawn, Michigan, USA
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