Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The average high-temperature drops in December, from November's chilly 43.3°F (6.3°C) to a freezing cold 31.5°F (-0.3°C). Richfield records a consistent average nighttime temperature of 22.8°F (-5.1°C) in December, slightly lower than the daytime high.Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Richfield, Wisconsin, during the entire year, the rain falls for 139.2 days and collects up to 25.28" (642mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Richfield, in December, during 10.9 snowfall days, 3.23" (82mm) of snow is typically accumulated. In Richfield, during the entire year, snow falls for 48.9 days and aggregates up to 15.35" (390mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Richfield.On the first day of December, sunrise is at 7:05 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:27 pm CST.
Sunshine
In December, the average sunshine is 4h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Richfield. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. 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
How cold is it in Richfield in December?
What is the average humidity in December in Richfield?
How many days does it rain in December in Richfield?
How many days does it snow in December in Richfield?
What is the month with the shortest days in Richfield?
How many hours of daylight does Richfield have in December?
When are sunrise and sunset in December in Richfield?
How long on average sun shines in December in Richfield?
When is the lowest UV index in Richfield?
What is the UV index intensity in December in Richfield?
Average temperature in December
Richfield, WI
- Average high temperature in December: 31.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Richfield, WI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Richfield, WI
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Richfield, WI
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Richfield, WI
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Richfield, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Richfield, WI
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Richfield, WI
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richfield, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Richfield, WI
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).
Average UV index in December
Richfield, 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, November and December (UV index 1).
Average cloud cover in December
Richfield, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Richfield, 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).
Richfield, Wisconsin, USA
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