December weather forecastSulphur, LA
December
Weather in December
In December, winter makes its presence known in Sulphur, Louisiana, as temperatures dip down to 61.7°F (16.5°C). With the shortest daylight hours of the year, the surroundings take on a decidedly wintery appeal. The cooling temperatures and increased chance of rainfall creates a holiday-like atmosphere around the city. The increasingly cooler temperatures drive people indoors, encouraging cozy gatherings around fireplaces. Despite the cold, the absence of snowfall makes the overall climate friendly and enticing.Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a pleasant 68.9°F (20.5°C) in November to a comfortable 61.7°F (16.5°C). Sulphur reports an average low-temperature of 47.5°F (8.6°C) during the nights of December.Humidity
In Sulphur, the average relative humidity in December is 80%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 160.8 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
In Sulphur, snow does not fall in February through December.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:23 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in December translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sulphur, LA
- Average high temperature in December: 61.7°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in December: 47.5°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Sulphur, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Sulphur, LA
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Sulphur, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Sulphur, LA
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in December
Sulphur, LA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is August (17.7 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Sulphur, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sulphur, 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
Sulphur, LA
- Average daylight in December: 10h and 12min
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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Sulphur, LA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is August (10.6 days).
Average UV index in December
Sulphur, 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
Sulphur, LA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Sulphur, 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).
