| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Sep.11 - Sep. 20 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dsb - Humid Continental Climate - Dry Cool Summer |
| Ecoregion: | 12c - Camas Prairie |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 83313 - Bellevue, ID | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 13 | 21 | 28 | 36 | 42 | 48 | 48 | 40 | 31 | 21 | 11 | 29 |
| Avg Max Temp (°F) | 32 | 37 | 45 | 55 | 64 | 73 | 83 | 83 | 72 | 60 | 42 | 32 | 57 |
| Avg Precip (In.) | 2.07 | 1.68 | 1.31 | .92 | 1.41 | .99 | .62 | .52 | .7 | .82 | 1.57 | 1.89 | 14.51 |