December weather forecastPetersville, IN
December
Weather in December
December, the first month of the winter in Petersville, is still a cold month, with an average temperature varying between 29.7°F (-1.3°C) and 40.6°F (4.8°C).Temperature
December is characterized by a reduction in the average high-temperature, from a cool 51.1°F (10.6°C) in November to a wintry 40.6°F (4.8°C). Petersville sees an average low-temperature of 29.7°F (-1.3°C) during December.Humidity
January, February, July and December, with an average relative humidity of 81%, are the most humid months in Petersville.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Petersville, during the entire year, the rain falls for 163.5 days and collects up to 29.29" (744mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Petersville, during December, snow falls for 8.2 days and regularly aggregates up to 1.89" (48mm) of snow. Throughout the year, there are 34.1 snowfall days, and 8.54" (217mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:44 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Petersville are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Petersville, IN
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Petersville, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Petersville, IN
- Average wind speed in December: 8.2mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Petersville, IN
- Average humidity in December: 81%
The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Petersville, IN
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Petersville, IN
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).
Average snowfall in December
Petersville, IN
- Average snowfall in December: 1.89"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Petersville, IN
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (9.6 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
Petersville, IN
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Petersville, IN
- Average sunshine days in December: 13.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Petersville, IN
- Average UV index in December: 2
The months with the highest UV index are 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
Petersville, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Petersville, IN
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are July and December (5mi).
