Port Sulphur in december: average Weather, Temperature and Climate
Weather in Port Sulphur in december 2026
The weather in Port Sulphur in the month of december comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
good weather
Weather at 6am
59°F
Clear/Sunny
37% of time
30%
20%
9%
Weather at 12pm
65°F
Clear/Sunny
39% of time
27%
24%
10%
Weather at 6pm
63°F
Clear/Sunny
40% of time
26%
23%
8%
Weather at 3am
61°F
37%
25%
20%
12%
Evolution of daily average temperature and precipitation in Port Sulphur in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Port Sulphur in december.
The climate of Port Sulphur in december is good
the weather in Port Sulphur in december is relatively dry (with 3in of precipitation over 4 days). The weather's not getting better compared to the previous month since in november there is an average of 2.1in of precipitation over 3 days.
The climate quite comfortable in that area december. The thermometer averaged maximum of 67°F. In the morning the temperature drops to 59°F. Thus, the mean temperature average on this month of december in Port Sulphur is 63°F. These temperatures are far removed from those records observed in Port Sulphur in december with a maximum record of 81°F in 2021 and a minimum record of 36°F in 2010. You can hope to have about 20 days with temperatures above 65°F, or 65% of time.
On average, in Port Sulphur, the days of december last 10:16. The sun rises at 06:46 and sets at 17:02.
With a good climate, this month is a good time to go in this city.
Seasonal average climate and temperature of Port Sulphur in december
Check below seasonal norms These datas are set from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 63°F | ||||
| Highest temperature | 67°F | ||||
| Lowest temperature | 59°F | ||||
| Highest record temperature | 81°F (2021) | ||||
| Lowest record temperature | 36°F (2010) | ||||
| Number of days at +65°F | 20 day(s) (65%) | ||||
| Sea temperature | |||||
| Average sea temperature | 65°F | ||||
| Lowest sea temperature | 61°F | ||||
| Highest sea temperature | 68°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 58°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 2.8in (2015) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.59km | ||||
| Cloud cover | 42% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 8 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:46 | ||||
| Time of sunset | 17:02 | ||||
| Length of day | 10:16 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last december?
Here is the day by day recorded weather in Port Sulphur in december 2025:
58°F to 65°F
54°F to 67°F
43°F to 59°F
59°F to 65°F
61°F to 70°F
58°F to 63°F
63°F to 68°F
56°F to 63°F
49°F to 54°F
54°F to 63°F
52°F to 59°F
59°F to 68°F
65°F to 72°F
54°F to 63°F
41°F to 47°F
50°F to 59°F
61°F to 65°F
67°F to 70°F
63°F to 67°F
58°F to 68°F
67°F to 70°F
67°F to 72°F
63°F to 68°F
63°F to 65°F
59°F to 61°F
61°F to 68°F
67°F to 68°F
67°F to 72°F
54°F to 68°F
40°F to 49°F
38°F to 56°F
Map: other cities in Louisiana in december
Cities near Port Sulphur:
| Grand Isle in december | good weather |
| New Orleans in december | good weather |
| Slidell in december | good weather |
| Houma in december | good weather |
| Morgan City in december | good weather |
| Baton Rouge in december | good weather |
| Marsh Island in december | good weather |
| New Iberia in december | good weather |
| Opelousas in december | good weather |
| Pecan Island in december | good weather |
| Marksville in december | tolerable weather |
| Oakdale in december | tolerable weather |
Click over cities on the map for information about the weather in december.
Port Sulphur
perfect weather
good
tolerable
bad
very bad
Weather data for Port Sulphur in december:
Weather data for Port Sulphur for december are derived from an average of the weather forecast since 2009 in Port Sulphur. There is a margin of error and these forecasts are to be considered as general information only. The weather in Port Sulphur can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Port Sulphur.