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
December brings a drop in Batavia's average high-temperature, falling from a frosty 45.5°F (7.5°C) in November to an icy 34.2°F (1.2°C). An average low-temperature of 23.9°F (-4.5°C) is recorded during the nights in December.Humidity
The average relative humidity in December is 82%.Rainfall
In Batavia, in December, it is raining for 6 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 120.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Batavia, in December, snow falls for 6.4 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 32.3 snowfall days, and 4.84" (123mm) of snow is accumulated.Daylight
The month with the shortest days in Batavia is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:32 pm CST.
Sunshine
In Batavia, the average sunshine in December is 4.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To guard against the harmful effects of the Sun, minimize exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Batavia?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Batavia?
How many hours of daylight does Batavia have in December?
When is the sunrise / sunset in December in Batavia?
How many hours of sunshine does Batavia have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Batavia, IL
- Average high temperature in December: 34.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Batavia, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Batavia, IL
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Batavia, IL
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Batavia, IL
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Batavia, IL
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Batavia, IL
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Batavia, IL
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Batavia, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Batavia, IL
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in December
Batavia, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Batavia, IL
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in December
Batavia, 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).
Batavia, Illinois, USA
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