December weather forecastMount Carmel, IN
December
Weather in December
December, the first month of the winter in Mount Carmel, is still a cold month, with an average temperature varying between 40.1°F (4.5°C) and 29.1°F (-1.6°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a cool 50.4°F (10.2°C) in November to an icy 40.1°F (4.5°C). Mount Carmel records a steady low-temperature average of 29.1°F (-1.6°C) during December.Humidity
The months with the highest humidity are January, May, July and December, with an average relative humidity of 82%.Rainfall
In Mount Carmel, during December, the rain falls for 10.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. Throughout the year, there are 153.9 rainfall days, and 25.47" (647mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Mount Carmel, 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, with an average of 9h and 24min 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
In Mount Carmel, the average sunshine in December is 4.1h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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
Mount Carmel, 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).





