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
With the arrival of December, Harrisonburg experiences a modest decline in average high-temperatures, transitioning from an enjoyable 65.8°F (18.8°C) in November to a moderate 58.1°F (14.5°C). Throughout December, the nighttime temperature averages to a chilly 44.2°F (6.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Harrisonburg, in December, it is raining for 13.4 days, with typically 3.27" (83mm) of accumulated precipitation. In Harrisonburg, during the entire year, the rain falls for 166.6 days and collects up to 35.79" (909mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Harrisonburg, during the entire year, snow falls for 1.6 days and aggregates up to 0.67" (17mm) 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 6:49 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:07 am and sunset at 5:14 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in Harrisonburg.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
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 in Harrisonburg?
What is the average length of the day in December?
What time are sunrise and sunset in December in Harrisonburg?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Harrisonburg, LA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.6°F).
- Average low temperature in December: 44.2°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).
Average pressure in December
Harrisonburg, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Harrisonburg, LA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Harrisonburg, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Harrisonburg, LA
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Harrisonburg, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Harrisonburg, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harrisonburg, LA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.6 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
Harrisonburg, 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 month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Harrisonburg, LA
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (10.6 days).
Average UV index in December
Harrisonburg, LA
- Average UV index in December: 3
The months with the highest UV index are 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
Harrisonburg, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Harrisonburg, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Harrisonburg, Louisiana, USA
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