December weather forecastJolleyville, IN
December
Weather in December
The first month of the winter, December, is also a wintry month in Jolleyville, Indiana, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 40.8°F (4.9°C).Temperature
Jolleyville in December undergoes a mild reduction in the average high-temperature, shifting from November's fresh 51.1°F (10.6°C) to a cold 40.8°F (4.9°C). In Jolleyville, the average nighttime temperature during December is a freezing cold 30°F (-1.1°C).Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 11.9 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 178.1 rainfall days, and 38.82" (986mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Jolleyville, in December, snow falls for 8.7 days, with typically accumulated 2.44" (62mm) of snow. Throughout the year, there are 38.3 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:41 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:29 pm EST.
Sunshine
In Jolleyville, the average sunshine in December is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jolleyville, IN
- Average high temperature in December: 40.8°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 (35.6°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Jolleyville, IN
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Jolleyville, IN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Jolleyville, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Jolleyville, IN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Jolleyville, IN
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is February (10.5 days).
Average snowfall in December
Jolleyville, IN
- Average snowfall in December: 2.44"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jolleyville, IN
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.3 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
Jolleyville, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Jolleyville, IN
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (7 days).
Average UV index in December
Jolleyville, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Jolleyville, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Jolleyville, 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).
