North Reading, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.4 °C (low) to 15.3 °C (high). Annual precipitation averages 1250.2 Millimeters. North Reading is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 2.1 °C | 95.25 mm |
| February | -6.9 °C | 3.5 °C | 90.17 mm |
| March | -2.9 °C | 7.4 °C | 119.63 mm |
| April | 2.8 °C | 14.3 °C | 109.22 mm |
| May | 8.3 °C | 19.9 °C | 94.49 mm |
| June | 13.6 °C | 25 °C | 108.46 mm |
| July | 16.8 °C | 28.3 °C | 97.03 mm |
| August | 16 °C | 27.4 °C | 92.2 mm |
| September | 11.8 °C | 23.4 °C | 98.55 mm |
| October | 5.4 °C | 16.8 °C | 122.68 mm |
| November | 0.3 °C | 10.8 °C | 101.09 mm |
| December | -4.3 °C | 5.1 °C | 121.41 mm |
| Annual | 4.4 °C | 15.3 °C | 1250.18 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |