Moscow, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.9 °C (low) to 13.9 °C (high). Annual precipitation averages 1260.4 Millimeters. Moscow 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.1 °C | 0.3 °C | 90.17 mm |
| February | -8.4 °C | 1.7 °C | 73.15 mm |
| March | -4.4 °C | 6.3 °C | 97.28 mm |
| April | 1.4 °C | 13.9 °C | 106.68 mm |
| May | 7.2 °C | 19.9 °C | 103.38 mm |
| June | 12.2 °C | 24.4 °C | 128.78 mm |
| July | 14.7 °C | 26.7 °C | 116.08 mm |
| August | 14 °C | 25.8 °C | 106.43 mm |
| September | 10 °C | 22.1 °C | 126.24 mm |
| October | 3.9 °C | 14.8 °C | 127.51 mm |
| November | -1.1 °C | 8.7 °C | 88.65 mm |
| December | -5.6 °C | 2.7 °C | 96.01 mm |
| Annual | 2.9 °C | 13.9 °C | 1260.36 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |