December weather forecastRossburg, IN
December
Weather in December
December, the first month of the winter in Rossburg, is still a cold month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 40.1°F (4.5°C).Temperature
The decrease of average high-temperatures is mild in December, with a decline from a fresh 50°F (10°C) in November to a wintry 40.1°F (4.5°C). Rossburg's December nights cool down to an average low-temperature of 29.3°F (-1.5°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 82%.Rainfall
In Rossburg, during December, the rain falls for 10.7 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Rossburg, during the entire year, the rain falls for 165.1 days and collects up to 31.57" (802mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 8.7 days. Throughout December, 2.17" (55mm) of snow is accumulated. In Rossburg, during the entire year, snow falls for 35.9 days and aggregates up to 10.71" (272mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:42 am and sunset at 5:18 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:28 pm EST.
Sunshine
In Rossburg, the average sunshine in December is 4.2h.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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rossburg, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Rossburg, 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
Rossburg, IN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Rossburg, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Rossburg, IN
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Rossburg, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Rossburg, IN
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Rossburg, IN
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rossburg, 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 month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Rossburg, IN
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Rossburg, 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
Rossburg, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Rossburg, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
