December weather forecastHarrisville, WI
December
Weather in December
December, the first month of the winter in Harrisville, is still a freezing cold month, with an average temperature varying between 18.5°F (-7.5°C) and 28.8°F (-1.8°C).Temperature
In Harrisville, the average high-temperature in December drops from a wintry 41.7°F (5.4°C) in November to a freezing cold 28.8°F (-1.8°C). Harrisville's nighttime temperature during December is consistently averaged at 18.5°F (-7.5°C).Humidity
In Harrisville, the average relative humidity in December is 85%.Rainfall
In Harrisville, in December, it is raining for 6.4 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, in Harrisville, there are 146.3 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Harrisville, in December, during 13.4 snowfall days, 5.24" (133mm) of snow is typically accumulated. Throughout the year, there are 61.9 snowfall days, and 24.76" (629mm) of snow is accumulated.Daylight
The month with the shortest days in Harrisville is December, with an average of 9h and 0min of daylight.On the first day of December in Harrisville, sunrise is at 7:12 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine in Harrisville is 3.8h.UV index
The months with the lowest UV index in Harrisville are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrisville, WI
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (78.3°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 (10.4°F).
Average pressure in December
Harrisville, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Harrisville, WI
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Harrisville, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Harrisville, WI
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Harrisville, WI
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in December
Harrisville, WI
- Average snowfall in December: 5.24"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harrisville, WI
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harrisville, 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 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Harrisville, WI
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in December
Harrisville, 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
Harrisville, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Harrisville, WI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).





