December weather forecastPhelps, WI
December
Weather in December
December in Phelps, Wisconsin rings in the true advent of winter. The month witnesses a steep fall in temperature with an average high settling at 23.9°F (-4.5°C). This month sees a resurgence of snowfall, painting the city in white once again. The shorter daylight hours and reduced sunshine underline the dominance of winter. This low temperature and increased snowfall emphasize the classic winter conditions, readying Phelps, Wisconsin for January's deep freeze.Temperature
In December, the average high-temperature in Phelps decreases from a wintry 36.3°F (2.4°C) in November to a freezing cold 23.9°F (-4.5°C). Phelps's nights throughout December are marked by an average low temperature of 14.9°F (-9.5°C), a minor drop from the day's high.Humidity
In Phelps, the average relative humidity in December is 90%.Rainfall
In Phelps, Wisconsin, during December, the rain falls for 4.6 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 123.5 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Phelps. December is the month with the most snowfall in Phelps. Snow falls for 21.9 days and accumulates 9.69" (246mm) of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Phelps.On the first day of the month, sunrise is at 7:18 am and sunset at 4:12 pm. On the last day of December, in Phelps, sunrise is at 7:38 am and sunset at 4:20 pm CST.
Sunshine
The average sunshine in December is 2.3h.UV index
The months with the lowest UV index in Phelps are January, March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Phelps, WI
- Average high temperature in December: 23.9°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Phelps, 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
Phelps, WI
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Phelps, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Phelps, WI
- Average rainfall in December: 1.65"
The wettest months (with the highest rainfall) are April and May (2.64").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Phelps, WI
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in December
Phelps, WI
- Average snowfall in December: 9.69"
The month with the highest snowfall is December (9.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Phelps, WI
- Average snowfall days in December: 21.9 days
The month with the highest number of snowfall days is January (24.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Phelps, WI
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 0min).
Average sunshine days in December
Phelps, WI
- Average sunshine days in December: 9.2 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
Phelps, 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, March, November and December (UV index 1).
Average cloud cover in December
Phelps, WI
- Average cloud cover in December: 78
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Phelps, WI
- Average visibility in December: 4mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).





