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 witnesses a gentle descent in average high-temperature, descending from November's enjoyable 65.3°F (18.5°C) to a still refreshing 57.4°F (14.1°C). The nights of December in Harmon anticipate an average low-temperature of 42.4°F (5.8°C).Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 13.2 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 152.6 rainfall days, and 37.01" (940mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Harmon. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Harmon, during the entire year, snow falls for 2.3 days and aggregates up to 0.43" (11mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:57 am and sunset at 5:08 pm. On the last day of December, in Harmon, sunrise is at 7:14 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Harmon is December, with an average of 4.8h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Harmon, Louisiana. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the temperature in December in Harmon?
What is the average humidity in December in Harmon?
How much does it rain in Harmon in December?
When does it start snowing in Harmon?
What is the month with the shortest days in Harmon?
What is the average length of the day in December in Harmon?
What time are sunrise and sunset in December in Harmon?
What is the month with the least sunshine in Harmon?
How long on average sun shines in December in Harmon?
What are the months with the lowest UV index in Harmon?
How high is the UV index in December in Harmon?
Average temperature in December
Harmon, LA
- Average high temperature in December: 57.4°F
The warmest months (with the highest average high temperature) are July and August (95°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Harmon, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Harmon, LA
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in December
Harmon, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (70%).
Average rainfall in December
Harmon, LA
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is July (2.09").
Average rainfall days in December
Harmon, LA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is March (16 days).
The month with the least rainy days is October (9.8 days).
Average snowfall in December
Harmon, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harmon, LA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Harmon, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Harmon, LA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Harmon, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Harmon, LA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are August and October (Cloud cover 30).
Average visibility in December
Harmon, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).
Harmon, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location
