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
Batavia experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 45.5°F (7.5°C) in November to a cold 34.2°F (1.2°C). During the nights in December, Batavia experiences a consistent average temperature of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity in Batavia 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
Months with snowfall are January through April, October through December. In December, in Batavia, it is snowing for 6.4 days. Throughout December, 0.55" (14mm) of snow is accumulated. In Batavia, during the entire year, snow falls for 32.3 days and aggregates up to 4.84" (123mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:23 pm. On the last day of December, in Batavia, sunrise is at 7:20 am and sunset at 4:32 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Batavia. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in Batavia in December?
What is the average humidity in December in Batavia?
How much does it rain in Batavia in December?
How much does it snow in Batavia in December?
What is the month with the shortest days in Batavia?
How many hours of daylight does Batavia have in December?
When are sunrise and sunset in December in Batavia?
How long on average sun shines in December in Batavia?
What is the month with the lowest UV index in Batavia?
How high is the UV index in December in Batavia?
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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