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 comes with a decrease in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to a wintry 37°F (2.8°C). During December, Chatterton's temperature falls to a steady low-temperature average of 27°F (-2.8°C).Humidity
In Chatterton, Indiana, the average relative humidity in December is 81%.Rainfall
In December, the rain falls for 7.8 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 141.9 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Chatterton, Indiana. In Chatterton, during December, snow falls for 7.8 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, in Chatterton, Indiana, there are 36.9 snowfall days, and 7.13" (181mm) of snow is accumulated.Daylight
December has the shortest days of the year in Chatterton, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:53 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:32 pm EST.
Sunshine
In Chatterton, the average sunshine in December is 4.3h.UV index
The month with the lowest UV index in Chatterton is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Chatterton in December?
What is the average humidity in December in Chatterton?
How much does it rain in Chatterton in December?
How much does it snow in Chatterton in December?
What is the month with the shortest days in Chatterton?
What is the average length of the day in December in Chatterton?
When is the sunrise / sunset in December in Chatterton?
How many hours of sunshine does Chatterton have in December?
What is the month with the lowest UV index in Chatterton?
What is the UV index reading in December in Chatterton?
Average temperature in December
Chatterton, IN
- Average high temperature in December: 37°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: 27°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in December
Chatterton, IN
- 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
Chatterton, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Chatterton, IN
- 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
Chatterton, IN
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Chatterton, IN
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in December
Chatterton, IN
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chatterton, IN
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chatterton, IN
- 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 months with the most sunshine are June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Chatterton, IN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Chatterton, 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
Chatterton, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Chatterton, IN
- 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).
Chatterton, Indiana, USA
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