December weather forecastPoplar, WI
December
Weather in December
December, the first month of the winter in Poplar, is still a freezing cold month, with an average temperature ranging between max 22.1°F (-5.5°C) and min 12.2°F (-11°C).Temperature
Poplar sees a considerable decrease in average high-temperatures during December, falling from a cold 36.5°F (2.5°C) in November to a subzero cold 22.1°F (-5.5°C). Poplar experiences a mean low-temperature of 12.2°F (-11°C) during December.Humidity
In Poplar, the average relative humidity in December is 89%.Rainfall
In Poplar, in December, during 2 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 55.7 rainfall days, and 4.33" (110mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 9.3 days and accumulates 0.98" (25mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:29 pm CST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Poplar, WI
- Average high temperature in December: 22.1°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in December: 12.2°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (4.1°F).
Average pressure in December
Poplar, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Poplar, WI
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Poplar, WI
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Poplar, WI
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is July (0.67").
The driest months (with the least rainfall) are January and February (0.16").
Average rainfall days in December
Poplar, WI
- Average rainfall days in December: 2 days
The month with the highest number of rainy days is May (7.9 days).
The month with the least rainy days is February (0.5 days).
Average snowfall in December
Poplar, WI
- Average snowfall in December: 0.98"
The month with the highest snowfall is December (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Poplar, WI
- Average snowfall days in December: 9.3 days
The months with the highest number of snowfall days are January and December (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Poplar, WI
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Poplar, WI
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is April (19.9 days).
Average UV index in December
Poplar, 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
Poplar, WI
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Poplar, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
