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Norwalk, CA Weather on May 25
May 25th in Norwalk, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 59°F. Over 55 years of records, the warmest May 25th was in 1974 (74°F average), while the coldest was 1980 (58°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 2% of May 25th dates historically. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
What to Expect on May 25
Planning for May 25th in Norwalk, CA? Great weather for outdoor activities.
May 25 Weather Records for Norwalk
- •The all-time record high for May 25th in Norwalk, CA is 91°F, set in 1974.
- •The coldest May 25th on record dropped to 47°F in 1980.
- •Temperatures have reached 90°F or higher on May 25th in 1 of the last 55 years.
Frequently Asked Questions
What was the warmest May 25 ever in Norwalk?
The warmest May 25 in Norwalk, CA reached 91°F in 1974. That is 18°F above the long-term average high of 73°F.
What was the coldest May 25 ever in Norwalk?
The coldest May 25 in Norwalk, CA dropped to 47°F in 1980. That is 12°F below the long-term average low of 59°F.
What is the average temperature on May 25 in Norwalk?
On May 25, Norwalk averages a high of 73°F and a low of 59°F based on 55 years of NOAA weather observations from FULLERTON MUNI AP.
How many years of weather data are available for May 25 in Norwalk?
We have 55 years of weather records for May 25 in Norwalk, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
May 25 Weather History in Norwalk
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 75°F | 61°F | 0" | -- |
| 2024 | 72°F | 57°F | 0" | -- |
| 2023 | 70°F | 61°F | 0" | -- |
| 2022 | 74°F | 59°F | 0" | -- |
| 2021 | 85°F | 60°F | 0" | -- |
| 2020 | 85°F | 62°F | 0" | -- |
| 2019 | 71°F | 55°F | 0" | -- |
| 2018 | 75°F | 59°F | 0" | -- |
| 2017 | 71°F | 61°F | 0" | -- |
| 2016 | 72°F | 58°F | 0" | -- |
| 2015 | 73°F | 57°F | 0" | -- |
| 2014 | 81°F | 64°F | 0" | -- |
| 2013 | 78°F | 61°F | 0" | -- |
| 2012 | 70°F | 59°F | 0" | -- |
| 2011 | 76°F | 55°F | 0" | -- |
| 2010 | 72°F | 51°F | 0" | -- |
| 2009 | 73°F | 62°F | 0" | -- |
| 2008 | 69°F | 51°F | 0" | -- |
| 2007 | 75°F | 61°F | 0" | -- |
| 2006 | 78°F | 61°F | 0" | -- |
| 2005 | 79°F | 60°F | 0" | -- |
| 2004 | 70°F | 61°F | 0" | -- |
| 2003 | 71°F | 60°F | 0" | -- |
| 2002 | 70°F | 58°F | 0" | -- |
| 2001 | 76°F | 63°F | 0" | -- |
| 2000 | 66°F | 61°F | 0.1" | -- |
| 1999 | 73°F | 57°F | 0" | -- |
| 1998 | 73°F | 62°F | 0" | -- |
| 1997 | 75°F | 61°F | 0" | -- |
| 1996 | 68°F | 56°F | 0" | -- |
| 1995 | 70°F | 55°F | 0" | -- |
| 1994 | 67°F | 58°F | 0" | -- |
| 1993 | 78°F | 60°F | 0" | -- |
| 1992 | 72°F | 62°F | 0" | -- |
| 1991 | 67°F | 55°F | 0" | -- |
| 1990 | 76°F | 54°F | 0" | -- |
| 1989 | 76°F | 57°F | 0" | -- |
| 1988 | 72°F | 59°F | 0" | -- |
| 1987 | 69°F | 58°F | 0" | -- |
| 1986 | 77°F | 58°F | 0" | -- |
| 1985 | 70°F | 60°F | 0" | -- |
| 1984 | 73°F | 63°F | 0" | -- |
| 1983 | 73°F | 62°F | 0" | -- |
| 1982 | 73°F | 63°F | 0" | -- |
| 1981 | 71°F | 64°F | 0" | -- |
| 1980 | 70°F | 47°F | 0" | -- |
| 1979 | 73°F | 60°F | 0" | -- |
| 1978 | 70°F | 51°F | 0" | -- |
| 1977 | 73°F | 56°F | 0" | -- |
| 1976 | 72°F | 60°F | 0" | -- |
| 1975 | 69°F | 59°F | 0" | -- |
| 1974 | 91°F | 58°F | 0" | -- |
| 1973 | 67°F | 59°F | 0" | -- |
| 1972 | 70°F | 59°F | 0" | -- |
| 1971 | 71°F | 58°F | 0" | -- |
Based on 55 years of data from NOAA station: FULLERTON MUNI AP
Monthly Climate Averages
Historical temperature and precipitation averages for Norwalk, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.