| 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 Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67a - Northern Limestone/Dolomite Valleys |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 16841 - Howard, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 27 | 37 | 46 | 56 | 60 | 59 | 51 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 34 | 38 | 48 | 60 | 71 | 79 | 83 | 82 | 74 | 62 | 50 | 39 | 60 |
| Avg Precip (In.) | 2.8 | 2.62 | 3.34 | 3.23 | 3.76 | 4.64 | 4.09 | 3.51 | 3.87 | 3.08 | 3.42 | 2.82 | 41.19 |