Average annual temperature is 20.8 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 315 days
Number of rainy days: 50 days
Look at detailed online map of McNary
* Weather data for McNary United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 22.5 | 25.9 | 28.3 | 33.8 | 37.0 | 41.8 | 42.1 | 42.5 | 39.1 | 33.5 | 30.3 | 23.0 |
| Average daytime temperature (°C) | 17.1 | 18.5 | 23.8 | 28.4 | 32.7 | 37.4 | 39.4 | 36.7 | 35.7 | 28.5 | 21.4 | 17.3 |
| Average temperature (°C) | 9.1 | 10.2 | 15.5 | 20.1 | 25.5 | 30.3 | 33.2 | 30.2 | 28.7 | 21.4 | 14.3 | 10.0 |
| Average night temperature (°C) | 2.7 | 3.7 | 7.7 | 11.7 | 17.3 | 22.2 | 25.5 | 23.2 | 21.1 | 14.8 | 8.5 | 3.4 |
| Absolute minimum temperature (°C) | -3.3 | -4.1 | -1.1 | 2.3 | 13.5 | 16.0 | 21.1 | 18.9 | 17.4 | -0.1 | 1.7 | -2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 8.8 | 10.3 | 11.9 | 12.1 | 12.8 | 12.8 | 11.7 | 11.4 | 10.0 | 8.9 | 9.1 |
| Precipitation (mm) | 7 | 5 | 4 | 0 | 3 | 0 | 0 | 21 | 5 | 4 | 13 | 2 |
| Sunny days | 26 | 22 | 27 | 30 | 27 | 28 | 29 | 22 | 23 | 28 | 24 | 29 |
| Rainy days | 5 | 6 | 4 | 0 | 4 | 2 | 2 | 9 | 7 | 3 | 6 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in McNary is at