Guymon, OK
Climate overview — based on NOAA 1991-2020 normals from GUYMON MUNI AP, OK US.
Year-round temperatures (°F)
Climate summary
Guymon has an annual average temperature of 57.6°F with about 17.8 inches of precipitation per year. The warmest month is July (average high 95.0°F), and the coldest is January (average low 21.9°F). June is typically the wettest month (2.88 in) and February the driest (0.33 in).
Best time to visit Guymon
Full guide →Climate change signal
All-time records →164 of 366 (44.8%) of Guymon'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.
| 1990s | 7 | |
| 2000s | 118 | |
| 2010s | 141 | |
| 2020s | 100 |
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 | 50.7°F | 21.9°F | 36.3°F | 0.41 in | — | 3 |
| February | 54.2°F | 24.3°F | 39.2°F | 0.33 in | — | 4 |
| March | 63.1°F | 32.0°F | 47.6°F | 1.11 in | — | 5 |
| April | 71.3°F | 40.7°F | 56.0°F | 1.49 in | — | 6 |
| May | 80.6°F | 51.4°F | 66.0°F | 2.25 in | — | 7 |
| June | 90.7°F | 61.6°F | 76.2°F | 2.88 in | — | 8 |
| July | 95.0°F | 66.5°F | 80.8°F | 2.39 in | — | 9 |
| August | 92.1°F | 64.8°F | 78.5°F | 2.58 in | — | 9 |
| September | 85.4°F | 56.5°F | 70.9°F | 1.36 in | — | 7 |
| October | 73.1°F | 43.0°F | 58.0°F | 1.75 in | — | 6 |
| November | 60.6°F | 30.7°F | 45.7°F | 0.51 in | — | 3 |
| December | 50.0°F | 22.9°F | 36.4°F | 0.69 in | — | 4 |
Climate twins of Guymon
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).