December weather forecastFenns, IN
December
Weather in December
The first month of the winter, December, is also an icy month in Fenns, Indiana, with an average temperature fluctuating between 28.6°F (-1.9°C) and 39.2°F (4°C).Temperature
December involves a decrease in temperature, down from a chilly 49.5°F (9.7°C) in November to a cold 39.2°F (4°C). An average temperature of 28.6°F (-1.9°C) is recorded during the nights in December.Humidity
The months with the highest humidity are January, July and December, with an average relative humidity of 82%.Rainfall
In Fenns, in December, it is raining for 9.3 days, with typically 1.89" (48mm) of accumulated precipitation. In Fenns, during the entire year, the rain falls for 153.4 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Fenns, during December, snow falls for 6.8 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, in Fenns, there are 28.6 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Experience reduced UV exposure by about half when donning a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fenns, IN
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Fenns, 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
Fenns, IN
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Fenns, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Fenns, IN
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in December
Fenns, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Fenns, IN
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fenns, IN
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (7.8 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
Fenns, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Fenns, IN
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Fenns, IN
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Fenns, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Fenns, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





