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Weather & Climate
John Day, Oregon, United States
Overview
Climate data and monthly weather averages for John Day.
Key Metrics
Annual Avg
6.5°C
Summer Avg
17.1°C
Winter Avg
-3°C
Record High
40.2°C
Record Low
-24.2°C
Annual Precipitation
467.8 mm
Avg Humidity
68%
Summer Humidity
51%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.1° | -3.4° | -24.2° | 54.3 | 90% | 50 | 29.9 |
| Feb | 12.8° | -1.9° | -19.1° | 39.8 | 82% | 72 | 31.9 |
| Mar | 21.9° | 1.3° | -13° | 51.1 | 75% | 113 | 31 |
| Apr | 26.6° | 4.1° | -10.1° | 44.1 | 69% | 154 | 26 |
| May | 32.1° | 9.3° | -5.2° | 53.9 | 65% | 190 | 29.2 |
| Jun | 36.8° | 13.5° | -2.2° | 34.8 | 60% | 212 | 24.5 |
| Jul | 40.2° | 19.3° | 2.1° | 9.6 | 47% | 238 | 20.6 |
| Aug | 37.3° | 18.4° | 1° | 11.8 | 46% | 202 | 22.9 |
| Sep | 36.7° | 13.8° | -3.5° | 16.2 | 51% | 149 | 24.4 |
| Oct | 31° | 6.8° | -12.4° | 35 | 63% | 99 | 28.2 |
| Nov | 19° | 0.5° | -17.5° | 47.4 | 77% | 54 | 27.5 |
| Dec | 12.6° | -3.6° | -24.2° | 69.8 | 88% | 39 | 28.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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