Historical Weather Records & Monthly Climate for Norwalk, CT

All-Time High
96°F
All-Time Low
3°F
Max Daily Snow
11.8"
Max Daily Rain
6.57"
Max Snow Depth
20"

Monthly Climate Averages for Norwalk, CT

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January66°45°3.16"0
February66°46°3.03"0.02"
March69°49°2.15"0.01"
April72°52°0.92"0.01"
May75°56°0.39"0
June80°60°0.1"0
July85°64°0.06"0
August87°65°0.13"0
September85°64°0.31"0
October79°58°0.63"0
November72°50°0.95"0
December65°44°2.45"0.01"

Historical Weather Extremes for Norwalk, CT

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
6 Days
2003
Consecutive days ≥ 90°F
🧊
Deepest Freeze
10 Days
1956
Consecutive days ≤ 32°F
🏜️
Longest Drought
51 Days
1993
Consecutive days w/o rain
Wettest Month
11.57"
September 2018
Most rainfall in one month
Snowiest Month
28.9"
February 2021
Most snowfall in one month

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