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 decrease in the average high-temperature is observed during December, shifting from a frosty 46.4°F (8°C) in November to a cold 35.2°F (1.8°C). The average low-temperature of 25.7°F (-3.5°C) is witnessed during December.Humidity
The average relative humidity in December is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 10.1 days and typically collects 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Corunna, in December, during 12.1 snowfall days, 2.64" (67mm) of snow is typically accumulated. Throughout the year, there are 56 snowfall days, and 15.51" (394mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:21 pm EST.
Sunshine
In Corunna, Indiana, the average sunshine in December is 3.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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 many days 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?
When is the sunrise / sunset in December?
How long on average sun shines in December in Corunna?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Corunna, IN
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Corunna, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Corunna, IN
- 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
Corunna, IN
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Corunna, IN
- Average rainfall in December: 1.57"
The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in December
Corunna, IN
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Corunna, IN
- Average snowfall in December: 2.64"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Corunna, IN
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Corunna, IN
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Corunna, IN
- Average sunshine days in December: 11.5 days
The months with the most sunshine days are September, October and November (14.7 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Corunna, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Corunna, IN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Corunna, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Corunna, Indiana, USA
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