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 48°F (8.9°C) to a cold 37.4°F (3°C). Throughout December, Hoopeston anticipates an average low-temperature of 26.8°F (-2.9°C).Humidity
In December, the average relative humidity is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.73" (44mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Hoopeston, during December, snow falls for 7.7 days and regularly aggregates up to 2.48" (63mm) of snow. In Hoopeston, during the entire year, snow falls for 35.7 days and aggregates up to 13.27" (337mm) 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 the month, sunrise is at 6:55 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:34 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December leads to these advisories:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days 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 Hoopeston have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Hoopeston, IL
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Hoopeston, 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 (29.93"Hg).
Average wind speed in December
Hoopeston, IL
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Hoopeston, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hoopeston, IL
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in December
Hoopeston, IL
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Hoopeston, IL
- Average snowfall in December: 2.48"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hoopeston, IL
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (10.8 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
Hoopeston, 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 2min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Hoopeston, IL
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Hoopeston, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hoopeston, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Hoopeston, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Hoopeston, Illinois, USA
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