Weather on May 15
Sunnyvale, CA
55 Years of Data
Avg High
72°F
Avg Low
53°F
Warmest
2008
81°F avg
Coldest
2011
53°F avg
About This Date
May 15th in Sunnyvale, CA typically brings pleasant spring weather, with average highs around 72°F and lows near 53°F. Over 55 years of records, the warmest May 15th was in 2008 (81°F average), while the coldest was 2011 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 15th dates historically, with the wettest May 15th recording 0.74" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 15th in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 52° | 62° | — | — |
| 2024 | 77° | 54° | 65° | — | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 73° | 55° | 64° | — | — |
| 2021 | 69° | 52° | 60° | — | — |
| 2020 | 74° | 57° | 65° | — | — |
| 2019 | 67° | 54° | 60° | 0.56" | — |
| 2018 | 69° | 55° | 62° | — | — |
| 2017 | 70° | 47° | 58° | — | — |
| 2016 | 73° | 56° | 64° | — | — |
| 2015 | 67° | 49° | 58° | — | — |
| 2014 | 87° | 61° | 74° | — | — |
| 2013 | 72° | 52° | 62° | — | — |
| 2012 | 66° | 52° | 59° | — | — |
| 2011coldest | 60° | 46° | 53° | 0.3" | — |
| 2010 | 65° | 52° | 58° | — | — |
| 2009 | 78° | 57° | 68° | — | — |
| 2008warmest | 99° | 64° | 81° | — | — |
| 2007 | 63° | 51° | 57° | — | — |
| 2006 | 83° | 60° | 71° | — | — |
| 2005 | 75° | 63° | 69° | — | — |
| 2004 | 72° | 52° | 62° | — | — |
| 2003 | 65° | 51° | 58° | — | — |
| 2002 | 70° | 49° | 59° | — | — |
| 2001 | 74° | 57° | 65° | — | — |
| 2000 | 66° | 52° | 59° | 0.74" | — |
| 1999 | 66° | 43° | 54° | — | — |
| 1998 | 69° | 46° | 58° | — | — |
| 1997 | 88° | 60° | 74° | — | — |
| 1996 | 82° | 63° | 72° | 0.48" | — |
| 1995 | 68° | 48° | 58° | 0.33" | — |
| 1994 | 68° | 55° | 62° | — | — |
| 1993 | 73° | 52° | 62° | — | — |
| 1992 | 69° | 54° | 61° | — | — |
| 1991 | 69° | 52° | 60° | — | — |
| 1990 | 70° | 49° | 59° | — | — |
| 1989 | 74° | 55° | 64° | — | — |
| 1988 | 69° | 54° | 61° | — | — |
| 1987 | 75° | 60° | 68° | — | — |
| 1986 | 69° | 54° | 61° | — | — |
| 1985 | 85° | 54° | 69° | — | — |
| 1984 | 68° | 49° | 58° | — | — |
| 1983 | 73° | 53° | 63° | — | — |
| 1982 | 69° | 50° | 60° | — | — |
| 1981 | 69° | 53° | 61° | — | — |
| 1980 | 68° | 45° | 56° | — | — |
| 1979 | 65° | 52° | 58° | — | — |
| 1978 | 70° | 54° | 62° | — | — |
| 1977 | 67° | 44° | 55° | — | — |
| 1976 | 90° | 54° | 72° | — | — |
| 1975 | 68° | 52° | 60° | — | — |
| 1974 | 63° | 51° | 57° | — | — |
| 1973 | 75° | 57° | 66° | — | — |
| 1972 | 75° | 56° | 65° | — | — |
| 1971 | 70° | 51° | 60° | — | — |
55 years of data from MOFFETT FED AIRFIELD