December weather forecastEureka, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Eureka, Wisconsin, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 18.5°F (-7.5°C).Temperature
December's arrival corresponds with a decrease in average high-temperatures, from November's wintry 41.7°F (5.4°C) to a freezing cold 28.6°F (-1.9°C). Throughout December, an average low-temperature of 18.5°F (-7.5°C) is experienced in Eureka, Wisconsin.Humidity
In December, the average relative humidity is 86%.Rainfall
In Eureka, during December, the rain falls for 3.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Eureka, there are 104.9 rainfall days, and 12.36" (314mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Eureka, during December, snow falls for 10.5 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, in Eureka, there are 47.7 snowfall days, and 9.45" (240mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:10 am and sunset at 4:18 pm. On the last day of December, in Eureka, sunrise is at 7:29 am and sunset at 4:27 pm CST.
Sunshine
The average sunshine in December is 3.6h.UV index
The months with the lowest UV index in Eureka, Wisconsin, are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 1 during December translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Eureka, WI
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Eureka, WI
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Eureka, WI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in December
Eureka, WI
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Eureka, WI
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Eureka, WI
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Eureka, WI
- Average snowfall in December: 1.89"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Eureka, WI
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Eureka, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Eureka, WI
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in December
Eureka, 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
Eureka, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Eureka, WI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
