Dewey, OK
Climate overview — based on NOAA 1991-2020 normals from BARTLESVILLE F P FLD, OK US.
Year-round temperatures (°F)
Climate summary
Dewey has an annual average temperature of 58.2°F with about 40.3 inches of precipitation per year and 8.2 inches of snow. The warmest month is July (average high 92.7°F), and the coldest is January (average low 22.3°F). May is typically the wettest month (5.68 in) and January the driest (1.53 in). Snow typically falls from November through March.
Best time to visit Dewey
Full guide →Climate change signal
All-time records →38 of 366 (10.4%) of Dewey'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.
| 1920s | 42 | |
| 1930s | 89 | |
| 1940s | 16 | |
| 1950s | 51 | |
| 1960s | 29 | |
| 1970s | 19 | |
| 1980s | 19 | |
| 1990s | 17 | |
| 2000s | 26 | |
| 2010s | 32 | |
| 2020s | 26 |
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 | 47.1°F | 22.3°F | 34.7°F | 1.53 in | 1.9 in | 6 |
| February | 52.4°F | 26.4°F | 39.4°F | 1.88 in | 1.6 in | 6 |
| March | 62.0°F | 35.4°F | 48.7°F | 3.00 in | 1.5 in | 9 |
| April | 71.0°F | 45.1°F | 58.1°F | 4.29 in | — | 9 |
| May | 78.8°F | 55.3°F | 67.1°F | 5.68 in | — | 11 |
| June | 87.5°F | 64.6°F | 76.1°F | 5.29 in | — | 9 |
| July | 92.7°F | 68.5°F | 80.6°F | 3.65 in | — | 8 |
| August | 92.2°F | 66.4°F | 79.3°F | 3.39 in | — | 8 |
| September | 84.2°F | 57.7°F | 70.9°F | 3.43 in | — | 8 |
| October | 72.7°F | 45.3°F | 59.0°F | 3.63 in | — | 8 |
| November | 60.3°F | 34.1°F | 47.2°F | 2.36 in | 0.2 in | 7 |
| December | 49.2°F | 25.3°F | 37.3°F | 2.12 in | 3.0 in | 6 |
Climate twins of Dewey
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).