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's arrival correlates with a reduction in the average high-temperature, down from a frosty 48.9°F (9.4°C) in November to a wintry 38.3°F (3.5°C). Nightly temperatures drop to an average low of 28°F (-2.2°C) in December.Humidity
January and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Centerville, during December, the rain falls for 11.3 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Centerville, during the entire year, the rain falls for 163 days and collects up to 29.8" (757mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. December is the month with the most snowfall in Centerville. Snow falls for 9.1 days and accumulates 2.76" (70mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:42 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December in Centerville?
How much does it rain in December?
When does it snow the most?
How much does it snow in Centerville 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 long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Centerville, IN
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 28°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 (20.7°F).
Average pressure in December
Centerville, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Centerville, IN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Centerville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Centerville, IN
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Centerville, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (19.4 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in December
Centerville, IN
- Average snowfall in December: 2.76"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Centerville, IN
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.2 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
Centerville, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Centerville, IN
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Centerville, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Centerville, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Centerville, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Centerville, Indiana, USA
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