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 shift from November to December corresponds with a decrease in the average high-temperature, down to a freezing cold 23.7°F (-4.6°C) from an icy 37.9°F (3.3°C). An average low-temperature of 12.9°F (-10.6°C) is recorded during the nights in December in Graytown.Humidity
The average relative humidity in December in Graytown is 90%.Rainfall
In Graytown, in December, during 4.1 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 128.1 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
Months with snowfall in Graytown are January through May, October through December. The month with the most snowfall in Graytown is December, when snow falls for 14.7 days and typically aggregates up to 4.8" (122mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Graytown.On the first day of the month, sunrise is at 7:27 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:47 am and sunset at 4:36 pm CST.
Sunshine
In Graytown, Wisconsin, the average sunshine in December is 2.9h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Graytown. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Graytown?
What is the average humidity in December in Graytown?
How many days does it rain in December in Graytown?
When does it snow the most in Graytown?
How much does it snow in Graytown in December?
What is the month with the shortest days in Graytown?
How many hours of daylight does Graytown have in December?
What time are sunrise and sunset in December in Graytown?
How long on average sun shines in December in Graytown?
What are the months with the lowest UV index in Graytown?
What is the UV index intensity in December in Graytown?
Average temperature in December
Graytown, WI
- Average high temperature in December: 23.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in December: 12.9°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in December
Graytown, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Graytown, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Graytown, WI
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Graytown, WI
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Graytown, WI
- Average rainfall days in December: 4.1 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is January (2.7 days).
Average snowfall in December
Graytown, WI
- Average snowfall in December: 4.8"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Graytown, WI
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Graytown, WI
- 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Graytown, WI
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Graytown, WI
- 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
Graytown, WI
- 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 34).
Average visibility in December
Graytown, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Graytown, Wisconsin, USA
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