December weather forecastPorterfield, WI
December
Weather in December
December, the first month of the winter in Porterfield, is also a subzero cold month, with an average temperature fluctuating between 21.9°F (-5.6°C) and 29.5°F (-1.4°C).Temperature
The start of December comes with a reduction in the average high-temperature, receding from a wintry 41.2°F (5.1°C) in November to a subzero cold 29.5°F (-1.4°C). Porterfield upholds a consistent average temperature of 21.9°F (-5.6°C) throughout the nights of December.Humidity
The average relative humidity in December in Porterfield is 83%.Rainfall
In December, in Porterfield, Wisconsin, the rain falls for 5.5 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Porterfield, there are 129.7 rainfall days, and 25.04" (636mm) of precipitation is accumulated.Snowfall
Months with snowfall in Porterfield are January through May, October through December. In Porterfield, during December, snow falls for 11.9 days and regularly aggregates up to 3.98" (101mm) of snow. Throughout the year, in Porterfield, there are 56.9 snowfall days, and 20.63" (524mm) of snow is accumulated.Daylight
December has the shortest days of the year in Porterfield, Wisconsin, with an average of 8h and 48min of daylight.On the first day of December in Porterfield, Wisconsin, sunrise is at 7:10 am and sunset at 4:10 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:19 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. 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
Average temperature in December
Porterfield, WI
- Average high temperature in December: 29.5°F
The warmest month (with the highest average high temperature) is August (74.5°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in December: 21.9°F
The months with the highest average low temperature are July and August (59.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Porterfield, WI
- Average pressure in December: 30.05"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
Porterfield, WI
- Average wind speed in December: 10.9mph
The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in December
Porterfield, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall in December
Porterfield, WI
- Average rainfall in December: 1.73"
The wettest months (with the highest rainfall) are May, June and October (2.8").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Porterfield, WI
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Porterfield, WI
- Average snowfall in December: 3.98"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Porterfield, WI
- Average snowfall days in December: 11.9 days
The months with the highest number of snowfall days are January and February (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Porterfield, WI
- Average daylight in December: 8h and 48min
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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Porterfield, WI
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in December
Porterfield, WI
- 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 and December (UV index 1).
Average cloud cover in December
Porterfield, WI
- Average cloud cover in December: 62
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Porterfield, 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).
