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 shift in the average high-temperature occurs in December, reducing from a chilly 48.6°F (9.2°C) in November to an icy 36.3°F (2.4°C). In December, Stronghurst records an average nighttime temperature of 25°F (-3.9°C).Humidity
The average relative humidity in December in Stronghurst is 79%.Rainfall
December is the month with the least rainfall. Rain falls for 7.2 days and accumulates 1.3" (33mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Stronghurst, during December, snow falls for 5.9 days and regularly aggregates up to 1.38" (35mm) of snow. In Stronghurst, during the entire year, snow falls for 29.5 days and aggregates up to 11.77" (299mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.7h.UV index
In December, the average daily maximum UV index in Stronghurst is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Stronghurst have in December?
What is the UV index intensity in December?
Average temperature in December
Stronghurst, IL
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Stronghurst, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Stronghurst, IL
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in December
Stronghurst, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Stronghurst, IL
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in December
Stronghurst, IL
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Stronghurst, IL
- Average snowfall in December: 1.38"
The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Stronghurst, IL
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.8 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
Stronghurst, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Stronghurst, IL
- Average sunshine days in December: 19 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Stronghurst, 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
Stronghurst, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in December
Stronghurst, 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).
Stronghurst, Illinois, USA
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