John Day, OR
Climate overview — based on NOAA 1991-2020 normals from JOHN DAY, OR US.
Year-round temperatures (°F)
Climate summary
John Day has an annual average temperature of 46.8°F with about 12.3 inches of precipitation per year and 9.6 inches of snow. The warmest month is July (average high 86.2°F), and the coldest is December (average low 20.8°F). May is typically the wettest month (1.83 in) and July the driest (0.43 in). Snow typically falls from October through April.
Best time to visit John Day
Full guide →Climate change signal
All-time records →25 of 366 (6.8%) of John Day'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.
| 1900s | 16 | |
| 1910s | 0 | |
| 1950s | 46 | |
| 1960s | 65 | |
| 1970s | 55 | |
| 1980s | 54 | |
| 1990s | 56 | |
| 2000s | 41 | |
| 2010s | 20 | |
| 2020s | 13 |
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 | 40.3°F | 21.2°F | 30.8°F | 1.09 in | 3.5 in | 11 |
| February | 44.8°F | 22.6°F | 33.7°F | 0.60 in | 1.4 in | 9 |
| March | 51.5°F | 26.4°F | 38.9°F | 1.14 in | 1.2 in | 10 |
| April | 57.3°F | 30.3°F | 43.8°F | 1.49 in | 0.3 in | 12 |
| May | 66.4°F | 37.1°F | 51.8°F | 1.83 in | — | 12 |
| June | 74.5°F | 42.7°F | 58.6°F | 1.30 in | — | 9 |
| July | 86.2°F | 47.8°F | 67.0°F | 0.43 in | — | 3 |
| August | 85.8°F | 46.1°F | 65.9°F | 0.50 in | — | 3 |
| September | 76.7°F | 39.1°F | 57.9°F | 0.52 in | — | 4 |
| October | 62.2°F | 31.1°F | 46.7°F | 1.04 in | 0.2 in | 8 |
| November | 47.5°F | 25.6°F | 36.6°F | 1.19 in | 1.0 in | 11 |
| December | 39.0°F | 20.8°F | 29.9°F | 1.14 in | 2.0 in | 11 |
Climate twins of John Day
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).