Sulphur, OK
Climate overview — based on NOAA 1991-2020 normals from CHICKASAW NRA, OK US.
Year-round temperatures (°F)
Climate summary
Sulphur has an annual average temperature of 61.5°F with about 41.8 inches of precipitation per year and 1.7 inches of snow. The warmest month is August (average high 93.5°F), and the coldest is January (average low 27.9°F). May is typically the wettest month (5.55 in) and February the driest (1.94 in). Snow typically falls from December through February.
Best time to visit Sulphur
Full guide →Climate change signal
All-time records →66 of 366 (18%) of Sulphur's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1970s | 10 | |
| 1980s | 108 | |
| 1990s | 57 | |
| 2000s | 84 | |
| 2010s | 69 | |
| 2020s | 38 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 51.8°F | 27.9°F | 39.9°F | 2.03 in | 1.0 in | 6 |
| February | 56.3°F | 32.1°F | 44.2°F | 1.94 in | 0.3 in | 6 |
| March | 64.8°F | 40.8°F | 52.8°F | 3.62 in | 0.1 in | 8 |
| April | 72.7°F | 48.6°F | 60.7°F | 3.74 in | — | 7 |
| May | 79.4°F | 58.9°F | 69.1°F | 5.55 in | — | 9 |
| June | 87.8°F | 67.5°F | 77.7°F | 4.36 in | — | 7 |
| July | 93.1°F | 71.3°F | 82.2°F | 3.71 in | — | 6 |
| August | 93.5°F | 69.7°F | 81.6°F | 2.99 in | — | 6 |
| September | 85.8°F | 62.4°F | 74.1°F | 4.36 in | — | 7 |
| October | 75.1°F | 50.0°F | 62.6°F | 3.99 in | — | 7 |
| November | 63.1°F | 39.2°F | 51.2°F | 2.77 in | — | 6 |
| December | 53.5°F | 30.8°F | 42.2°F | 2.74 in | 0.3 in | 6 |
Climate twins of Sulphur
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).