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
A change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 43.5°F (6.4°C) to a freezing cold 30.4°F (-0.9°C). An average low-temperature of 20.3°F (-6.5°C) is noted during the nights in December.Humidity
The average relative humidity in December in Bloomington is 83%.Rainfall
In December, the rain falls for 6 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Bloomington, during the entire year, the rain falls for 138.5 days and collects up to 28.46" (723mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Bloomington. In Bloomington, during December, snow falls for 10.6 days and regularly aggregates up to 3.94" (100mm) of snow. In Bloomington, during the entire year, snow falls for 48.6 days and aggregates up to 19.57" (497mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:39 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index in Bloomington are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in Bloomington in December?
What is the average humidity in December in Bloomington?
How much does it rain in Bloomington in December?
How much does it snow in Bloomington in December?
What is the month with the shortest days in Bloomington?
What is the average length of the day in December in Bloomington?
When is the sunrise / sunset in December in Bloomington?
How long on average sun shines in December in Bloomington?
What is the month with the lowest UV index in Bloomington?
What is the UV index reading in December in Bloomington?
Average temperature in December
Bloomington, WI
- Average high temperature in December: 30.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in December: 20.3°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in December
Bloomington, WI
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Bloomington, WI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Bloomington, WI
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Bloomington, WI
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in December
Bloomington, WI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in December
Bloomington, WI
- Average snowfall in December: 3.94"
The month with the highest snowfall is January (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bloomington, WI
- Average snowfall days in December: 10.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bloomington, WI
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Bloomington, WI
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Bloomington, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Bloomington, WI
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bloomington, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Bloomington, Wisconsin, USA
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