December weather forecastHerbamount, IN
December
Weather in December
The first month of the winter, December, is still a cold month in Herbamount, Indiana, with an average temperature varying between 28.6°F (-1.9°C) and 39.7°F (4.3°C).Temperature
Herbamount's average high-temperature decreases in December, falling from a cool 50°F (10°C) in November to an icy 39.7°F (4.3°C). Herbamount sees an average low-temperature of 28.6°F (-1.9°C) during December.Humidity
In December, the average relative humidity is 82%.Rainfall
In Herbamount, during December, the rain falls for 10.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Herbamount, Indiana, during the entire year, the rain falls for 160.4 days and collects up to 27.05" (687mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Herbamount, in December, during 7.5 snowfall days, 2.13" (54mm) of snow is typically accumulated. Throughout the year, there are 33.2 snowfall days, and 8.27" (210mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:48 am and sunset at 5:22 pm. On the last day of December, in Herbamount, sunrise is at 8:06 am and sunset at 5:32 pm EST.
Sunshine
With an average of 4.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Herbamount, IN
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Herbamount, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Herbamount, IN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Herbamount, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Herbamount, IN
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Herbamount, IN
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in December
Herbamount, IN
- Average snowfall in December: 2.13"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Herbamount, IN
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.1 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
Herbamount, IN
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Herbamount, IN
- Average sunshine days in December: 14 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Herbamount, IN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Herbamount, IN
- Average cloud cover in December: 56
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Herbamount, IN
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are July, August and December (5mi).
