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
Port Sulphur's transition from November to December introduces an average high-temperature of a refreshing 64.2°F (17.9°C), marking an insignificant variation from the 69.3°F (20.7°C). Port Sulphur logs an average low-temperature of 56.1°F (13.4°C) during the nights of December, subtly lower than its daytime highs.Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In December, the rain falls for 9.8 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. In Port Sulphur, Louisiana, during the entire year, the rain falls for 137.2 days and collects up to 19.92" (506mm) of precipitation.Snowfall
In Port Sulphur, snow does not fall in February through December.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:36 am and sunset at 4:59 pm. On the last day of December, in Port Sulphur, sunrise is at 6:53 am and sunset at 5:10 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index in Port Sulphur are January and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 4 in December translates into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the average December temperature in Port Sulphur?
What is the most humid month in Port Sulphur?
What is the average humidity in December in Port Sulphur?
How much does it rain in Port Sulphur in December?
When it does not snow in Port Sulphur?
Does it snow in Port Sulphur in December?
What is the month with the shortest days in Port Sulphur?
How many hours of daylight does Port Sulphur have in December?
When are sunrise and sunset in December in Port Sulphur?
What is the month with the least sunshine in Port Sulphur?
How long on average sun shines in December in Port Sulphur?
What is the month with the lowest UV index in Port Sulphur?
How high is the UV index in December in Port Sulphur?
Average temperature in December
Port Sulphur, LA
- Average high temperature in December: 64.2°F
The warmest month (with the highest average high temperature) is August (87.6°F).
The month with the lowest average high temperature is January (61.2°F).
- Average low temperature in December: 56.1°F
The month with the highest average low temperature is August (80.4°F).
The coldest month (with the lowest average low temperature) is January (51.6°F).
Average pressure in December
Port Sulphur, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Port Sulphur, LA
- Average wind speed in December: 11.2mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Port Sulphur, 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 (70%).
Average rainfall in December
Port Sulphur, LA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is August (4.72").
The driest month (with the least rainfall) is April (0.79").
Average rainfall days in December
Port Sulphur, LA
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (7 days).
Average snowfall days in December
Port 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
Port Sulphur, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Port Sulphur, LA
- Average sunshine days in December: 18.2 days
The months with the most sunshine days are April and November (20.9 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
Port Sulphur, 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 and December (UV index 4).
Average cloud cover in December
Port Sulphur, LA
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is May (Cloud cover 23).
Average visibility in December
Port 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).
Port Sulphur, Louisiana, USA
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