December weather forecastCorydon, IN
December
Weather in December
The first month of the winter, December, is also a frosty month in Corydon, Indiana, with an average temperature varying between 31.8°F (-0.1°C) and 43.9°F (6.6°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a cool 52.9°F (11.6°C) in November to a frosty 43.9°F (6.6°C). During December, the temperature is averaged to a low of 31.8°F (-0.1°C) at night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Corydon, Indiana, in December, during 11.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Corydon, during the entire year, the rain falls for 160 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. In Corydon, during December, snow falls for 5.5 days and regularly aggregates up to 1.14" (29mm) of snow. Throughout the year, there are 26.8 snowfall days, and 7.91" (201mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:42 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:34 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corydon, IN
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Corydon, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Corydon, IN
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Corydon, IN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Corydon, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Corydon, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Corydon, IN
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Corydon, IN
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Corydon, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Corydon, IN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Corydon, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Corydon, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Corydon, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
