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 start of December comes with a reduction in the average high-temperature, receding from a frosty 43°F (6.1°C) in November to a freezing cold 29.7°F (-1.3°C). In the month of December, the average temperature in Blue River dips to a still subzero cold 18.9°F (-7.3°C) during the night.Humidity
In Blue River, the average relative humidity in December is 84%.Rainfall
In December, the rain falls for 6.8 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Blue River, there are 142.4 rainfall days, and 28.66" (728mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Blue River. In Blue River, in December, snow falls for 12.7 days, with typically accumulated 4.21" (107mm) of snow. Throughout the year, in Blue River, there are 60.2 snowfall days, and 22.13" (562mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Blue River.On the first day of the month, sunrise is at 7:15 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:37 pm CST.
Sunshine
In Blue River, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Blue River are January, 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 average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Blue River in December?
What is the average humidity in December in Blue River?
How much does it rain in Blue River in December?
How much does it snow in Blue River in December?
What is the month with the shortest days in Blue River?
What is the average length of the day in December in Blue River?
When are sunrise and sunset in December in Blue River?
How many hours of sunshine does Blue River have in December?
What are the months with the lowest UV index in Blue River?
How high is the UV index in December in Blue River?
Average temperature in December
Blue River, WI
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Blue River, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Blue River, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Blue River, WI
- Average humidity in December: 84%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Blue River, WI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Blue River, WI
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Blue River, WI
- Average snowfall in December: 4.21"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Blue River, WI
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (15.7 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
Blue River, 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: 3h and 5min
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 24min).
Average sunshine days in December
Blue River, WI
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Blue River, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Blue River, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Blue River, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).
Blue River, Wisconsin, USA
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