December weather forecastCarmel, IN
December
Weather in December
Weather in December in Carmel, Indiana, is synonymous with the peak of winter, defined by low temperatures, short days, and high snowfall. December sees the return of snow with full force to the city, recording a snowfall of 1.38" (35mm), which is the highest for the year. As the daylight hours drop to 9.4, which comes with a drop in average sunshine hours to just four, Carmel residents experience short, frosty days. December marks the end of the year with cheer and celebrations, but also the start of the coldest weather conditions of the year, which will continue in January, marking the cycle of Carmel's weather patterns.Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 48.9°F (9.4°C) to a cold 37.9°F (3.3°C). In the month of December, Carmel experiences an average low-temperature of 27.5°F (-2.5°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Carmel, in December, during 6.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 128.2 rainfall days, and 14.61" (371mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 5.9 days and accumulates 1.38" (35mm) of snow.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 7:47 am and sunset at 5:19 pm. On the last day of December, sunrise is at 8:06 am and sunset at 5:29 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Carmel, IN
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.5°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 (20.5°F).
Average pressure in December
Carmel, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Carmel, IN
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Carmel, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Carmel, IN
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Carmel, IN
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Carmel, IN
- Average snowfall in December: 1.38"
The month with the highest snowfall is December (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Carmel, IN
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Carmel, IN
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Carmel, IN
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Carmel, 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
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 31).
Average visibility in December
Carmel, 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).





