Historical Weather in Norwalk, CA
See 55+ years of weather history for any date in Norwalk going back to 1970.
Part of California weather history
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Today in Norwalk Weather HistorySee records, averages, and 55+ years of data for today's date
→Monthly Climate Averages
Historical temperature and precipitation averages for Norwalk, CA, based on 55+ years of weather data.
Warmest MonthAugustAvg High: 86°F / Low: 65°F
Coldest MonthDecemberAvg High: 68°F / Low: 47°F
Jan
68°/ 48°
💧 11.2"
Feb
68°/ 48°
💧 11.4"
Mar
70°/ 51°
💧 7.8"
Apr
73°/ 53°
💧 4.6"
May
75°/ 57°
💧 4.0"
Jun
79°/ 60°
💧 1.9"
Jul
84°/ 64°
💧 2.0"
Aug
86°/ 65°
💧 6.7"
Sep
85°/ 64°
💧 4.6"
Oct
79°/ 59°
💧 4.9"
Nov
74°/ 52°
💧 7.0"
Dec
68°/ 47°
💧 9.3"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Norwalk Temperature Records
- Record High: The hottest temperature ever recorded in Norwalk, CA is 116°F, set on July 6, 2018.
- Record Low: The coldest temperature ever recorded in Norwalk, CA is 28°F, set on December 22, 1990.
- Data Coverage: Based on 29 years of data from NOAA weather station: FULLERTON MUNI AP.
All-Time Record High
116°F
July 6, 2018
All-Time Record Low
28°F
December 22, 1990
Monthly Temperature Records in Norwalk
| Month | Record High | Record Low |
|---|---|---|
| January | 95°F(2003) | 28°F(2007) |
| February | 97°F(2016) | 30°F(1990) |
| March | 98°F(2015) | 35°F(1971) |
| April | 106°F(2004) | 38°F(1999) |
| May | 106°F(2004) | 45°F(1999) |
| June | 112°F(1990) | 47°F(1999) |
| July | 116°F(2018) | 52°F(2010) |
| August | 109°F(2020) | 52°F(2002) |
| September | 114°F(2010) | 51°F(1991) |
| October | 109°F(1991) | 39°F(1972) |
| November | 102°F(2010) | 33°F(1994) |
| December | 91°F(2010) | 28°F(1990) |
Norwalk Snow RecordsSee the top 10 snowiest days ever recorded
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