December weather forecastBerne, IN
December
Weather in December
December, the first month of the winter in Berne, is still a cold month, with an average temperature fluctuating between 36.7°F (2.6°C) and 27.1°F (-2.7°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a frosty 48.2°F (9°C) in November to a cold 36.7°F (2.6°C). The average temperature during December nights is registered at a freezing cold 27.1°F (-2.7°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In Berne, during December, the rain falls for 7.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Berne, during the entire year, the rain falls for 130.2 days and collects up to 14.8" (376mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Berne, in December, snow falls for 7.9 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, there are 35.6 snowfall days, and 6.57" (167mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:44 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine is 3.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Berne, IN
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Berne, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Berne, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Berne, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Berne, IN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Berne, IN
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Berne, IN
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Berne, IN
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Berne, IN
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 3h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Berne, IN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Berne, 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
Berne, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Berne, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).





