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 arrival of December signals a shift in temperature, down from a cool 52.9°F (11.6°C) in November to a frosty 43.2°F (6.2°C). Browns's December nights cool down to an average low-temperature of 31.3°F (-0.4°C).Humidity
In December, the average relative humidity in Browns is 78%.Rainfall
In December, in Browns, the rain falls for 6.6 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Browns, Illinois, during the entire year, the rain falls for 109.3 days and collects up to 10.83" (275mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 2 days. Throughout December, 0.28" (7mm) of snow is accumulated. In Browns, during the entire year, snow falls for 12.4 days and aggregates up to 1.38" (35mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Browns.On the first day of December, sunrise is at 6:50 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:41 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
Is it cold in Browns during December?
What is the average humidity in December in Browns?
How much does it rain in Browns in December?
How many days does it snow in December in Browns?
What is the month with the shortest days in Browns?
What is the average length of the day in December in Browns?
When are sunrise and sunset in December in Browns?
How long on average sun shines in December in Browns?
What is the month with the lowest UV index in Browns?
What is the UV index intensity in December in Browns?
Average temperature in December
Browns, IL
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Browns, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Browns, IL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Browns, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Browns, IL
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is April (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Browns, IL
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in December
Browns, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Browns, IL
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.8 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
Browns, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Browns, IL
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is October (23.2 days).
The months with the least sunshine days are May and June (14.3 days).
Average UV index in December
Browns, IL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Browns, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Browns, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Browns, Illinois, USA
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