Weather Almanac: Old Lyme, CT 06371

🗓️ Historical norms for May

May avg. precipitation
🌧️ 3.40"
May days below freezing
📉 ≈0.0 days
Average May lows 48°F – 51°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 Apr 30
First Fall Frost (36°F)
🍂 Oct 22

Temperature climatic data from weather station: GREENPORT PWR HOUSE (USC00303464)

Precipitation climatic data from weather station: GREENPORT PWR HOUSE (USC00303464)

Agricultural climatic data from weather station: GREENPORT PWR HOUSE (USC00303464)