| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 5a: -20°F to -15°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Sep.1 - Sep. 10 |
| Average Last Frost Date: | Jul. 1 - Jul. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 17u - Paradise Valley |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 59065 - Pray, MT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 16 | 21 | 29 | 37 | 44 | 49 | 47 | 39 | 31 | 22 | 13 | 30 |
| Avg Max Temp (°F) | 32 | 38 | 45 | 54 | 64 | 73 | 82 | 82 | 71 | 59 | 41 | 33 | 56 |
| Avg Precip (In.) | .65 | .48 | 1 | 1.35 | 2.78 | 2.48 | 1.67 | 1.46 | 1.67 | 1.3 | .83 | .61 | 16.29 |