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 average high-temperature decreases in December, shifting from a fresh 54.7°F (12.6°C) in November to a chilly 45.5°F (7.5°C). During December, Thebes's temperature falls to a steady low-temperature average of 33.1°F (0.6°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, in Thebes, the rain falls for 10.8 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Thebes, during the entire year, the rain falls for 158.6 days and collects up to 35.59" (904mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Thebes, during December, snow falls for 1.6 days and regularly aggregates up to 0.67" (17mm) of snow. In Thebes, Illinois, during the entire year, snow falls for 11.2 days and aggregates up to 4.92" (125mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December in Thebes, sunrise is at 6:53 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:50 pm CST.
Sunshine
In Thebes, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 2 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. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are December temperatures in Thebes?
What is the average humidity in December in Thebes?
How much does it rain in Thebes in December?
How many days does it snow in December in Thebes?
What is the month with the shortest days in Thebes?
What is the average length of the day in December in Thebes?
When are sunrise and sunset in December in Thebes?
How many hours of sunshine does Thebes have in December?
What is the month with the lowest UV index in Thebes?
What is the UV index reading in December in Thebes?
Average temperature in December
Thebes, IL
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Thebes, 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
Thebes, IL
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Thebes, IL
- Average humidity in December: 77%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Thebes, IL
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Thebes, IL
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Thebes, IL
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Thebes, IL
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is January (3.7 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
Thebes, IL
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Thebes, IL
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Thebes, 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 and December (UV index 2).
Average cloud cover in December
Thebes, IL
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility in December
Thebes, 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).
Thebes, Illinois, USA
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