Sulphur (OK) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sulphur.
Climate overview of Sulphur
Sulphur, Oklahoma, United States of America, sees big temperature differences between seasons, with August peaking at 35°C (95°F) and January dropping to 11°C (52°F).
Annual rain/snowfall is moderate at around 995 mm (39 in), with May being the wettest month. The city also has very hot summers and cold 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
Visitors to Sulphur can expect significant temperature changes throughout the year. Average daytime temperatures reach a very hot 35°C (95°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 11°C (52°F).
At night, temperatures range from around 22°C (72°F) in August to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sulphur
Generally, Sulphur experiences moderate precipitation patterns, averaging 995 mm (39 in) yearly. Sulphur can be quite wet during May, receiving approximately 152 mm (6 in) of precipitation over 12 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 5 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
Each month is rated for comfortable sightseeing weather — mild temperatures and low rainfall. Tap a month for its full averages; your ideal time may differ for a beach or winter trip (see below).
- Best overall: April
- Warmest weather: July and August
- Wettest period: March, April, May, June and July, when rainfall peaks.
- Climate seasons: very hot summers and cold winters
- Best for winter weather: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Sulphur
What is the best time to visit Sulphur?
April typically offers the most optimal weather in Sulphur. In contrast, July and August tend to have less optimal conditions. Sulphur has very hot summers and cold winters.
What temperatures can I expect in Sulphur?
Daytime highs range from 11°C (52°F) in January to 35°C (95°F) in August. Nighttime lows range from -3°C (27°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Sulphur get?
Annual rainfall is around 995 mm (39 in). May is the wettest month with 152 mm (6 in), while January is the driest with 35 mm (1.4 in).
Sulphur 3-Day Forecast
Sulphur (OK) 3-Day Forecast
Sulphur on the map
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