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Sulphur, United States Snapshot 2026
Where is Sulphur?
Sulphur, United States
- Continent
- Americas
- Country
- United States
- City
- Sulphur
- Population
- 20.2K
- Elevation
- 5 m
- Coordinates
- 30.24°, -93.38°
Sulphur is a city in United States with a population of approximately 20.2K. Average temperatures range from 8°C (46°F) in January to 32°C (90°F) in August. The best time to visit is March, April, October, November.
Time in Sulphur right now
Open full time & time zone page 17:41 41
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Sulphur
Daylight in Sulphur today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 05m
Climate normals for Sulphur
Long-term monthly averages based on historical data.
January
Fair 
February
Good March best
Excellent April best
Excellent May
Wet June
Poor July
Poor August
Wet September
Fair October best
Excellent November best
Excellent December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 16°C / 8°C | 15°C / 5°C | 11days (142 mm) Wet | 6.8h Fair | 75% Muggy | 3.7 Moderate | Fair | View Details |
| February | 19°C / 11°C | 19°C / 9°C | 10days (88 mm) Wet | 6.9h Fair | 79% Humid | 4.9 Moderate | Good | View Details |
| March best | 23°C / 14°C | 23°C / 13°C | 11days (105 mm) Wet | 8.6h Good | 77% Humid | 6.2 High | Excellent | View Details |
| April best | 25°C / 17°C | 26°C / 17°C | 11days (140 mm) Wet | 9.7h Good | 76% Humid | 7.2 Very High | Excellent | View Details |
| May | 29°C / 21°C | 32°C / 23°C | 14days (183 mm) Wet | 10.6h Excellent | 79% Humid | 7.6 Very High | Wet | View Details |
| June | 31°C / 24°C | 36°C / 28°C | 16days (147 mm) Wet | 11.1h Excellent | 80% Humid | 8.2 Very High | Poor | View Details |
| July | 32°C / 25°C | 38°C / 30°C | 17days (142 mm) Wet | 11.1h Excellent | 81% Humid | 7.8 Very High | Poor | View Details |
| August | 32°C / 25°C | 38°C / 30°C | 18days (174 mm) Wet | 10.8h Excellent | 79% Humid | 7.9 Very High | Wet | View Details |
| September | 31°C / 23°C | 35°C / 26°C | 12days (121 mm) Wet | 9.9h Good | 77% Humid | 7.1 Very High | Fair | View Details |
| October best | 27°C / 18°C | 29°C / 19°C | 8days (84 mm) Wet | 9.2h Good | 71% Muggy | 5.8 High | Excellent | View Details |
| November best | 22°C / 13°C | 22°C / 12°C | 9days (82 mm) Wet | 8h Good | 75% Muggy | 4.3 Moderate | Excellent | View Details |
| December | 19°C / 10°C | 18°C / 9°C | 11days (148 mm) Wet | 6.7h Fair | 78% Humid | 3.7 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 16°C / 8°C . Feb: 19°C / 11°C . Mar: 23°C / 14°C . Apr: 25°C / 17°C . May: 29°C / 21°C . Jun: 31°C / 24°C . Jul: 32°C / 25°C . Aug: 32°C / 25°C . Sep: 31°C / 23°C . Oct: 27°C / 18°C . Nov: 22°C / 13°C . Dec: 19°C / 10°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 142 mm. Feb: 88 mm. Mar: 105 mm. Apr: 140 mm. May: 183 mm. Jun: 147 mm. Jul: 142 mm. Aug: 174 mm. Sep: 121 mm. Oct: 84 mm. Nov: 82 mm. Dec: 148 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 79%. Mar: 77%. Apr: 76%. May: 79%. Jun: 80%. Jul: 81%. Aug: 79%. Sep: 77%. Oct: 71%. Nov: 75%. Dec: 78%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 17 km/h . Jun: 15 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 15 km/h . Nov: 16 km/h . Dec: 17 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 4.
Frequently Asked Questions
Sulphur has a population of approximately 20.2K.
The best months to visit Sulphur are March, April, October, November, when temperatures are pleasant and rainfall is lower.
Sulphur receives approximately 1556mm of rainfall annually across 148 rainy days.
Sulphur is located in United States, in the Americas region.
Sulphur sits at an elevation of 5 m (16 ft) above sea level.