December weather forecastFort Branch, IN
December
Weather in December
The first month of the winter, December, is also a frosty month in Fort Branch, Indiana, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 32.2°F (0.1°C).Temperature
Fort Branch's weather in December involves a decrease in the average high-temperature, moving down from November's cool 53.2°F (11.8°C) to a frosty 43.5°F (6.4°C). Fort Branch, during the nights of December, experiences an average temperature drop to a cold 32.2°F (0.1°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Fort Branch, in December, during 8.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 133.6 rainfall days, and 19.33" (491mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Fort Branch, during December, snow falls for 3.7 days and regularly aggregates up to 0.47" (12mm) of snow. Throughout the year, in Fort Branch, there are 18 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:48 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:06 am and sunset at 4:40 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Fort Branch. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Branch, IN
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Fort Branch, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Fort Branch, IN
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Fort Branch, IN
- Average humidity in December: 78%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Fort Branch, IN
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is April (2.28").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
Fort Branch, IN
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Fort Branch, IN
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fort Branch, IN
- Average snowfall days in December: 3.7 days
The months with the highest number of snowfall days are January and February (5.1 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
Fort Branch, IN
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Fort Branch, IN
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Fort Branch, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Fort Branch, IN
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Fort Branch, 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).





