December weather forecastStemm, IN
December
Weather in December
The first month of the winter, December, is still a cold month in Stemm, Indiana, with temperature in the range of an average low of 30.2°F (-1°C) and an average high of 41.7°F (5.4°C).Temperature
Welcoming December, Stemm observes a shift in the average high-temperature, falling from November's fresh 51.3°F (10.7°C) to an icy 41.7°F (5.4°C). In December, Stemm experiences a temperature dip to an average of 30.2°F (-1°C) at night.Humidity
The months with the highest humidity are February, May and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 9.2 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Stemm, during the entire year, the rain falls for 135.6 days and collects up to 17.64" (448mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Stemm. In December, in Stemm, it is snowing for 5.1 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, in Stemm, there are 24.4 snowfall days, and 4.41" (112mm) 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 7:46 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:34 pm EST.
Sunshine
The month with the least sunshine in Stemm is December, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Stemm, IN
- Average high temperature in December: 41.7°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Stemm, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Stemm, IN
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Stemm, IN
- Average humidity in December: 81%
The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Stemm, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Stemm, IN
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Stemm, IN
- Average snowfall in December: 0.79"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Stemm, IN
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is February (6.6 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
Stemm, 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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Stemm, IN
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in December
Stemm, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Stemm, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Stemm, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





