December weather forecastCatawba, WI
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Catawba, Wisconsin, with an average temperature varying between 13.5°F (-10.3°C) and 23°F (-5°C).Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a cold 36.1°F (2.3°C) in November to a subzero cold 23°F (-5°C). In the month of December, the nighttime temperature dips to a steady average of 13.5°F (-10.3°C).Humidity
In Catawba, the average relative humidity in December is 91%.Rainfall
In Catawba, in December, during 5.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 133.3 rainfall days, and 23.27" (591mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Catawba, during December, snow falls for 20.9 days and regularly aggregates up to 7.17" (182mm) of snow. Throughout the year, there are 108 snowfall days, and 42.76" (1086mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:20 pm. On the last day of December, sunrise is at 7:42 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 2.4h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Catawba. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Catawba, WI
- Average high temperature in December: 23°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 13.5°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (5.9°F).
Average pressure in December
Catawba, 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 (29.9"Hg).
Average wind speed in December
Catawba, WI
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are January, April and November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Catawba, WI
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Catawba, WI
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Catawba, WI
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is June (16.9 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in December
Catawba, WI
- Average snowfall in December: 7.17"
The month with the highest snowfall is February (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Catawba, WI
- Average snowfall days in December: 20.9 days
The month with the highest number of snowfall days is January (23.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Catawba, 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: 2h and 24min
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 12min).
Average sunshine days in December
Catawba, WI
- Average sunshine days in December: 9 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Catawba, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Catawba, WI
- Average cloud cover in December: 77
The months with the most cloud cover are January and February (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Catawba, 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).
