Weather on May 23
Sunnyvale, CA
55 Years of Data
About This Date
May 23rd in Sunnyvale, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 53°F. Over 56 years of records, the warmest May 23rd was in 1982 (74°F average), while the coldest was 1980 (55°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 23rd dates historically, with the wettest May 23rd recording 1.4" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for May 23rd in Sunnyvale, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 78° | 54° | 66° | — | — |
| 2025 | 68° | 52° | 60° | — | — |
| 2024 | 77° | 52° | 64° | — | — |
| 2023 | 69° | 53° | 61° | — | — |
| 2022 | 83° | 53° | 68° | — | — |
| 2021 | 69° | 49° | 59° | — | — |
| 2020 | 83° | 51° | 67° | — | — |
| 2019 | 76° | 55° | 65° | — | — |
| 2018 | 67° | 55° | 61° | — | — |
| 2017 | 73° | 58° | 65° | — | — |
| 2016 | 71° | 50° | 61° | — | — |
| 2015 | 66° | 54° | 60° | — | — |
| 2014 | 72° | 57° | 64° | — | — |
| 2013 | 67° | 50° | 58° | — | — |
| 2012 | 72° | 52° | 62° | — | — |
| 2011 | 69° | 51° | 60° | — | — |
| 2010 | 68° | 46° | 57° | — | — |
| 2009 | 65° | 51° | 58° | — | — |
| 2008 | 70° | 49° | 59° | — | — |
| 2007 | 86° | 55° | 71° | — | — |
| 2006 | 76° | 58° | 67° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 69° | 54° | 61° | — | — |
| 2003 | 77° | 55° | 66° | — | — |
| 2002 | 78° | 47° | 62° | — | — |
| 2001 | 78° | 59° | 69° | — | — |
| 2000 | 84° | 62° | 73° | — | — |
| 1999 | 72° | 54° | 63° | — | — |
| 1998 | 71° | 56° | 63° | — | — |
| 1997 | 76° | 59° | 67° | 1.4" | — |
| 1996 | 74° | 50° | 62° | — | — |
| 1995 | 77° | 54° | 65° | — | — |
| 1994 | 78° | 52° | 65° | — | — |
| 1993 | 74° | 58° | 66° | — | — |
| 1992 | 79° | 58° | 68° | — | — |
| 1991 | 76° | 53° | 64° | — | — |
| 1990 | 67° | 54° | 60° | 0.86" | — |
| 1989 | 68° | 54° | 61° | 0.2" | — |
| 1988 | 73° | 55° | 64° | — | — |
| 1987 | 68° | 52° | 60° | — | — |
| 1986 | 66° | 51° | 59° | — | — |
| 1985 | 74° | 59° | 66° | — | — |
| 1984 | 80° | 55° | 68° | — | — |
| 1983 | 65° | 56° | 60° | — | — |
| 1982warmest | 91° | 57° | 74° | — | — |
| 1981 | 77° | 54° | 65° | — | — |
| 1980coldest | 61° | 50° | 55° | — | — |
| 1979 | 74° | 58° | 66° | — | — |
| 1978 | 66° | 51° | 59° | — | — |
| 1977 | 66° | 52° | 59° | 0.51" | — |
| 1976 | 70° | 49° | 59° | — | — |
| 1975 | 70° | 50° | 60° | — | — |
| 1974 | 74° | 50° | 62° | — | — |
| 1973 | 68° | 52° | 60° | — | — |
| 1972 | 66° | 50° | 58° | — | — |
| 1971 | 66° | 49° | 57° | — | — |
Sunnyvale, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Sunnyvale, CA Monthly Precipitation
Average rainfall per month, in inches.
Sunnyvale, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Sunnyvale, CA
Most pleasant months in Sunnyvale, CA: July, August.