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 65.1°F (18.4°C) in November to a still refreshing 57.6°F (14.2°C). Olla records an average nighttime low-temperature of 42.8°F (6°C) throughout December.Humidity
February and December, with an average relative humidity of 82%, are the most humid months in Olla.Rainfall
In Olla, Louisiana, in December, it is raining for 13.4 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, in Olla, there are 172.1 rainfall days, and 39.45" (1002mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Olla, Louisiana. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Olla, there are 2.4 snowfall days, and 0.91" (23mm) of snow is accumulated.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 6:51 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:15 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index in Olla 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 exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are December temperatures in Olla?
What are the most humid months in Olla?
What is the average humidity in December in Olla?
How much does it rain in Olla in December?
When does it start to snow in Olla?
What is the month with the shortest days in Olla?
What is the average length of the day in December in Olla?
What time are sunrise and sunset in December in Olla?
What is the month with the least sunshine in Olla?
How many hours of sunshine does Olla have in December?
When is the lowest UV index in Olla?
What is the UV index reading in December in Olla?
Average temperature in December
Olla, LA
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in December
Olla, 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
Olla, LA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in December
Olla, 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 (71%).
Average rainfall in December
Olla, LA
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in December
Olla, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Olla, LA
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Olla, LA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (1.1 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
Olla, 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 June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Olla, LA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in December
Olla, 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
Olla, LA
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Olla, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Olla, Louisiana, USA
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