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
Stepping into December, Forestville observes a temperature decline, with the average high falling from November's icy 42.1°F (5.6°C) to a subzero cold 31.1°F (-0.5°C). The December average low temperature in Forestville, Wisconsin, marginally lower than the daytime high, records at 23.5°F (-4.7°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 5.6 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. Throughout the year, in Forestville, there are 106.4 rainfall days, and 10.35" (263mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Forestville, in December, during 11.3 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Forestville, during the entire year, snow falls for 51.8 days and aggregates up to 7.17" (182mm) of snow.Daylight
December has the shortest days of the year in Forestville, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:10 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:19 pm CST.
Sunshine
In December, the average sunshine is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Forestville?
What is the average humidity in December in Forestville?
How much does it rain in Forestville in December?
How many days does it snow in December in Forestville?
What is the month with the shortest days in Forestville?
How many hours of daylight does Forestville have in December?
When are sunrise and sunset in December in Forestville?
How many hours of sunshine does Forestville have in December?
What are the months with the lowest UV index in Forestville?
How high is the UV index in December in Forestville?
Average temperature in December
Forestville, WI
- Average high temperature in December: 31.1°F
The warmest months (with the highest average high temperature) are July and August (74.1°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is August (61.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Forestville, WI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Forestville, WI
- Average wind speed in December: 12.7mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in December
Forestville, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, May, October and November (77%).
Average rainfall in December
Forestville, WI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and November (0.55").
Average rainfall days in December
Forestville, WI
- Average rainfall days in December: 5.6 days
The months with the highest number of rainy days are June and July (11.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Forestville, WI
- Average snowfall in December: 1.26"
The months with the highest snowfall are January and February (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Forestville, WI
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forestville, WI
- 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Forestville, WI
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in December
Forestville, 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 and December (UV index 1).
Average cloud cover in December
Forestville, WI
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Forestville, WI
- 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).
Forestville, Wisconsin, USA
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