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 onset of December comes with a shift in the average high-temperature, falling from a frosty 46.9°F (8.3°C) in November to a cold 34.7°F (1.5°C). In the month of December, Osco's average low-temperature falls to a subzero cold 24.1°F (-4.4°C).Humidity
The average relative humidity in December in Osco is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.5 days and typically collects 0.71" (18mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 7.4 days. Throughout December, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 35.5 snowfall days, and 7.95" (202mm) of snow is accumulated.Daylight
The month with the shortest days in Osco is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:32 pm. On the last day of December, in Osco, sunrise is at 7:26 am and sunset at 4:41 pm CST.
Sunshine
In Osco, Illinois, the average sunshine in December is 4.3h.UV index
In Osco, Illinois, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Osco in December?
What is the average humidity in December in Osco?
What is the driest month in Osco?
How much does it rain in Osco in December?
How much does it snow in Osco in December?
What is the month with the shortest days in Osco?
How many hours of daylight does Osco have in December?
When are sunrise and sunset in December in Osco?
How many hours of sunshine does Osco have in December?
What is the UV index reading in December in Osco?
Average temperature in December
Osco, IL
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in December
Osco, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Osco, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Osco, IL
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Osco, IL
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in December
Osco, IL
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Osco, IL
- Average snowfall in December: 0.91"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Osco, IL
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is January (10.5 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
Osco, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Osco, IL
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Osco, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Osco, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Osco, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Osco, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location