Weather Almanac: Cos Cob, CT 06807

🗓️ Historical norms for May

May avg. precipitation
🌧️ 4.34"
May days below freezing
📉 ≈0.4 days
Average May lows 46°F – 50°F
USDA Zone
7a
Annual extreme lows 0°F to 5°F
Last Spring Frost (36°F)
🌷 May 13
First Fall Frost (36°F)
🍂 Oct 2

Temperature climatic data from weather station: STAMFORD 5 N (USC00067970)

Precipitation climatic data from weather station: PUTNAM LAKE (USC00066655)

Agricultural climatic data from weather station: STAMFORD 5 N (USC00067970)