Sulphur (LA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sulphur.
Climate overview of Sulphur
Temperatures in Sulphur, Louisiana, United States of America, vary greatly throughout the year. August is the hottest month at 34°C (93°F), while January is the coldest at 17°C (63°F).
The city receives considerable rainfall, with around 1500 mm (59 in) annually. July is the wettest month. It has very warm summers and mild winters.
Sulphur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sulphur - and find the best time to visit.
Monthly Temperature in Sulphur
The climate in Sulphur is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a very warm 34°C (93°F) in August to a moderate 17°C (63°F) in the coolest month, January.
Nights vary from 24°C (75°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sulphur
Sulphur has a notably wet climate with abundant precipitation, recording 1500 mm (59 in) of rainfall per year. The climate in Sulphur shows significant variation throughout the year. Expect heavy rainfall in July, the wettest month, with an average of 181 mm (7.1 in) of precipitation over 16 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 77 mm (3 in) of rainfall over 8 rainy days. For more details, please visit our Sulphur Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Sulphur
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: March
- Warmest weather: June, July and August
- Seasonal pattern: very warm summers and mild winters
Frequently asked questions about the climate in Sulphur
What is the best time to visit Sulphur?
March typically offers the most optimal weather in Sulphur. In contrast, June, July and August tend to have less optimal conditions. Sulphur has very warm summers and mild winters.
What temperatures can I expect in Sulphur?
Daytime highs range from 17°C (63°F) in January to 34°C (93°F) in August. Nighttime lows range from 5°C (41°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Sulphur get?
Annual rainfall is around 1500 mm (59 in). July is the wettest month with 181 mm (7.1 in), while March is the driest with 77 mm (3 in).
Sulphur 3-Day Forecast
Sulphur (LA) 3-Day Forecast
Sulphur on the map
Sulphur is highlighted - select any city to see its climate.
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