Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a slight decrease in the average high-temperature, shifting from an enjoyable 66.9°F (19.4°C) in November to a moderate 60.3°F (15.7°C). The average temperature during December nights is registered at a frosty 44.8°F (7.1°C).Humidity
The months with the highest humidity in Mount Hermon are February and December, with an average relative humidity of 82%.Rainfall
In December, in Mount Hermon, the rain falls for 13.1 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Mount Hermon, during the entire year, the rain falls for 173.4 days and collects up to 33.23" (844mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:58 pm. On the last day of December, in Mount Hermon, sunrise is at 6:59 am and sunset at 5:09 pm CST.
Sunshine
In Mount Hermon, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Mount Hermon have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Mount Hermon have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mount Hermon, LA
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in December: 44.8°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Mount Hermon, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Mount Hermon, LA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Mount Hermon, LA
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Mount Hermon, LA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in December
Mount Hermon, LA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Mount Hermon, LA
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mount Hermon, LA
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mount Hermon, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Mount Hermon, LA
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Mount Hermon, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Mount Hermon, LA
- Average cloud cover in December: 51
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Mount Hermon, LA
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Mount Hermon, Louisiana, USA
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