Weather Almanac: Thornton, NH 03285

🗓️ Historical norms for May

May avg. precipitation
🌧️ 3.81"
May days below freezing
📉 ≈6.6 days
Average May lows 37°F – 41°F
USDA Zone
5a
Annual extreme lows -20°F to -15°F
Last Spring Frost (36°F)
🌷 Jun 8
First Fall Frost (36°F)
🍂 Sep 3

Temperature climatic data from weather station: PLYMOUTH (USC00276945)

Precipitation climatic data from weather station: PLYMOUTH (USC00276945)

Agricultural climatic data from weather station: PLYMOUTH (USC00276945)