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 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 signals a slight drop in average high-temperature, sliding from November's pleasant 69.8°F (21°C) to a refreshing 64.2°F (17.9°C). Grandbois records an average temperature drop to a cool 51.1°F (10.6°C) in December.Humidity
With an average relative humidity of 78%, December is the most humid month in Grandbois.Rainfall
In Grandbois, in December, during 9.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Grandbois, during the entire year, the rain falls for 145.4 days and collects up to 19.13" (486mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:39 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:14 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
December is the month with the lowest UV index in Grandbois, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the average December temperature in Grandbois?
What is the most humid month in Grandbois?
What is the average humidity in December in Grandbois?
How many days does it rain in December in Grandbois?
When it does not snow in Grandbois?
Does it snow in Grandbois in December?
What is the month with the shortest days in Grandbois?
How many hours of daylight does Grandbois have in December?
What time are sunrise and sunset in December in Grandbois?
What is the month with the least sunshine in Grandbois?
How long on average sun shines in December in Grandbois?
When is the lowest UV index in Grandbois?
What is the UV index intensity in December in Grandbois?
Average temperature in December
Grandbois, LA
- Average high temperature in December: 64.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 51.1°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in December
Grandbois, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Grandbois, LA
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Grandbois, LA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Grandbois, LA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is March (0.75").
Average rainfall days in December
Grandbois, LA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (6.4 days).
Average snowfall days in December
Grandbois, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Grandbois, LA
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Grandbois, LA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Grandbois, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Grandbois, LA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Grandbois, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grandbois, Louisiana, USA
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