| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 64a - Triassic Lowlands |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 19477 - Spring House, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 31 | 40 | 50 | 59 | 64 | 62 | 55 | 43 | 34 | 26 | 42 |
| Avg Max Temp (°F) | 39 | 42 | 51 | 62 | 72 | 81 | 85 | 83 | 77 | 65 | 54 | 43 | 63 |
| Avg Precip (In.) | 3.79 | 2.78 | 3.79 | 3.74 | 4.53 | 3.93 | 4.57 | 4.14 | 4.51 | 3.42 | 3.72 | 3.49 | 46.41 |