Heavener, OK
Climate overview — based on NOAA 1991-2020 normals from WISTER 3S, OK US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Heavener has an annual average temperature of 61°F with about 0 inches of precipitation per year. The warmest month is July (average high 93.1°F), and the coldest is January (average low 27.4°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
42.9°F
warmest to coldest month
Best time to visit Heavener
Full guide →Climate change signal
All-time records →51 of 366 (13.9%) of Heavener'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.
| 1940s | 31 | |
| 1950s | 148 | |
| 1960s | 79 | |
| 1970s | 23 | |
| 2000s | 13 | |
| 2010s | 37 | |
| 2020s | 35 |
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 | 50.5°F | 27.4°F | 38.9°F | in | — | — |
| February | 55.6°F | 31.8°F | 43.7°F | in | — | — |
| March | 63.2°F | 38.7°F | 51.0°F | in | — | — |
| April | 71.9°F | 47.2°F | 59.5°F | in | — | — |
| May | 78.9°F | 58.6°F | 68.7°F | in | — | — |
| June | 87.7°F | 67.9°F | 77.8°F | in | — | — |
| July | 93.1°F | 70.5°F | 81.8°F | in | — | — |
| August | 93.0°F | 69.0°F | 81.0°F | in | — | — |
| September | 85.6°F | 61.0°F | 73.3°F | in | — | — |
| October | 75.8°F | 49.5°F | 62.7°F | in | — | — |
| November | 63.8°F | 39.3°F | 51.5°F | in | — | — |
| December | 52.6°F | 30.6°F | 41.6°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when