December weather forecastCedar Grove, IN
December
Weather in December
December, the first month of the winter in Cedar Grove, is also an icy month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 29.1°F (-1.6°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a fresh 50.4°F (10.2°C) in November to a wintry 40.1°F (4.5°C). In the month of December, Cedar Grove records a consistent average low-temperature of 29.1°F (-1.6°C).Humidity
The months with the highest humidity in Cedar Grove are January, May, July and December, with an average relative humidity of 82%.Rainfall
In Cedar Grove, in December, during 10.6 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. Throughout the year, in Cedar Grove, Indiana, there are 153.9 rainfall days, and 25.47" (647mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cedar Grove are January through April, October through December. In Cedar Grove, in December, during 7.8 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, there are 34 snowfall days, and 8.19" (208mm) of snow is accumulated.Daylight
December has the shortest days of the year in Cedar Grove, Indiana, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December in Cedar Grove is 4.1h.UV index
The month with the lowest UV index in Cedar Grove is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Warning! The reflection from snow can nearly magnify 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
Cedar Grove, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in December
Cedar Grove, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cedar Grove, IN
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Cedar Grove, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January, May, July and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Cedar Grove, IN
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Cedar Grove, IN
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Cedar Grove, IN
- Average snowfall in December: 1.65"
The month with the highest snowfall is March (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cedar Grove, IN
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (8.8 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
Cedar Grove, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Cedar Grove, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Cedar Grove, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Cedar Grove, IN
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Cedar Grove, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
