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
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's agreeable 68.7°F (20.4°C) to an enjoyable 61.7°F (16.5°C). Throughout December, the temperature falls to an average low of 46.9°F (8.3°C).Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Glenbrook, during December, the rain falls for 6.5 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Glenbrook, during the entire year, the rain falls for 96.2 days and collects up to 7.05" (179mm) of precipitation.Snowfall
Months with snowfall in Glenbrook are January and December. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:01 am and sunset at 5:13 pm CST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Glenbrook, Louisiana, are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard 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:
Guard yourself - Avoiding sunburn is suggested. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Glenbrook in December?
What are the most humid months in Glenbrook?
What is the average humidity in December in Glenbrook?
How many days does it rain in December in Glenbrook?
What is the snowiest month in Glenbrook?
When does it start to snow in Glenbrook?
What is the month with the shortest days in Glenbrook?
How many hours of daylight does Glenbrook have in December?
When are sunrise and sunset in December in Glenbrook?
What is the month with the least sunshine in Glenbrook?
How long on average sun shines in December in Glenbrook?
What is the month with the lowest UV index in Glenbrook?
How high is the UV index in December in Glenbrook?
Average temperature in December
Glenbrook, LA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Glenbrook, 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 (29.96"Hg).
Average wind speed in December
Glenbrook, LA
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
Glenbrook, LA
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Glenbrook, LA
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is July (1.1").
The driest months (with the least rainfall) are March and September (0.28").
Average rainfall days in December
Glenbrook, LA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (4.6 days).
Average snowfall days in December
Glenbrook, LA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Glenbrook, 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 months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Glenbrook, LA
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is November (24.1 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Glenbrook, 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
Glenbrook, LA
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Glenbrook, 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).
Glenbrook, Louisiana, USA
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