Callimont, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.1 °C (low) to 14.4 °C (high). Annual precipitation averages 1158.7 Millimeters. Callimont is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.2 °C | 1.1 °C | 88.14 mm |
| February | -6.5 °C | 3.1 °C | 75.18 mm |
| March | -2.9 °C | 7.7 °C | 100.58 mm |
| April | 2.8 °C | 14.8 °C | 104.9 mm |
| May | 8.6 °C | 19.9 °C | 123.95 mm |
| June | 13.2 °C | 24.2 °C | 118.36 mm |
| July | 15.4 °C | 26.3 °C | 100.08 mm |
| August | 14.5 °C | 25.6 °C | 93.47 mm |
| September | 10.9 °C | 21.9 °C | 98.04 mm |
| October | 5.1 °C | 15.6 °C | 83.82 mm |
| November | -0.4 °C | 9.1 °C | 82.8 mm |
| December | -4.4 °C | 3.5 °C | 89.41 mm |
| Annual | 4.1 °C | 14.4 °C | 1158.73 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |