| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 1 - Oct. 10 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70b - Monongahela Transition Zone |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 15650 - Latrobe, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 21 | 28 | 37 | 47 | 56 | 61 | 60 | 53 | 41 | 33 | 25 | 40 |
| Avg Max Temp (°F) | 36 | 39 | 49 | 61 | 71 | 79 | 83 | 81 | 75 | 63 | 51 | 41 | 61 |
| Avg Precip (In.) | 2.93 | 2.58 | 3.42 | 3.43 | 4.16 | 4.18 | 4.33 | 3.94 | 3.83 | 2.71 | 3.45 | 2.99 | 41.94 |