December weather forecastChegby, LA

December

Weather in December

The first month of the winter, December, is still a comfortable month in Chegby, Louisiana, with an average temperature varying between 63.7°F (17.6°C) and 50.2°F (10.1°C).

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a pleasant 69.4°F (20.8°C) in November to an enjoyable 63.7°F (17.6°C). December nights observe an average temperature dip to a fresh 50.2°F (10.1°C).

Humidity

The months with the highest humidity are July through September and December, with an average relative humidity of 79%.

Rainfall

In Chegby, during December, the rain falls for 11.8 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Chegby, during the entire year, the rain falls for 166.9 days and collects up to 25.39" (645mm) of precipitation.

Snowfall

Months with snowfall are January and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Chegby, during the entire year, snow falls for 0.4 days.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:41 am and sunset at 5:03 pm. On the last day of December, in Chegby, Louisiana, sunrise is at 6:58 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Chegby, records 63.7°F (17.6°C), while the low-temperature is 50.2°F (10.1°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 102.2°F (39°C).

The months with the highest humidity are July through September and December, with an average relative humidity of 79%.

The average relative humidity in December in Chegby is 79%.

In December, the rain falls for 11.8 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

The month with the shortest days is December, with an average of 10h and 18min of daylight.

In Chegby, the average day length in December is 10h and 16min.

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:14 pm CST.

The month with the least sunshine is December, with an average of 5.2h of sunshine.

In Chegby, Louisiana, the average sunshine duration in December is 5.2h.

The months with the lowest UV index are January, November and December, with an average maximum UV index of 4.

In Chegby, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Chegby, LA

  • Average high temperature in December: 63.7°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).

  • Average low temperature in December: 50.2°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).

Average pressure in December
Chegby, LA

  • Average pressure in December: 30.12"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
Chegby, LA

  • Average wind speed in December: 7.8mph

The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Chegby, LA

  • Average humidity in December: 79%

The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Chegby, LA

  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").

Average rainfall days in December
Chegby, LA

  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).

Average snowfall days in December
Chegby, LA

  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 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
Chegby, LA

  • Average daylight in December: 10h and 18min

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 12min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in December
Chegby, LA

  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).

Average UV index in December
Chegby, LA

  • Average UV index in December: 4

The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in December
Chegby, LA

  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in December
Chegby, 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).