Weather on June 30
Sunnyvale, CA
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
1996
80°F avg
Coldest
1975
59°F avg
About This Date
June 30th in Sunnyvale, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest June 30th was in 1996 (80°F average), while the coldest was 1975 (59°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 30th dates historically. 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 June 30th in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 57° | 65° | — | — |
| 2024 | 86° | 62° | 74° | — | — |
| 2023 | 88° | 58° | 73° | — | — |
| 2022 | 74° | 57° | 65° | — | — |
| 2021 | 75° | 59° | 67° | — | — |
| 2020 | 89° | 58° | 73° | — | — |
| 2019 | 75° | 57° | 66° | — | — |
| 2018 | 84° | 60° | 72° | — | — |
| 2017 | 71° | 56° | 63° | — | — |
| 2016 | 80° | 56° | 68° | — | — |
| 2015 | 89° | 61° | 75° | — | — |
| 2014 | 86° | 62° | 74° | — | — |
| 2013 | 82° | 63° | 72° | — | — |
| 2012 | 76° | 59° | 67° | — | — |
| 2011 | 76° | 55° | 65° | — | — |
| 2010 | 73° | 56° | 64° | — | — |
| 2009 | 79° | 59° | 69° | — | — |
| 2008 | 71° | 58° | 64° | — | — |
| 2007 | 75° | 54° | 64° | — | — |
| 2006 | 70° | 57° | 63° | — | — |
| 2005 | 80° | 61° | 70° | — | — |
| 2004 | 80° | 58° | 69° | — | — |
| 2003 | 72° | 57° | 64° | — | — |
| 2002 | 85° | 59° | 72° | — | — |
| 2001 | 76° | 59° | 67° | — | — |
| 2000 | 69° | 57° | 63° | — | — |
| 1999 | 90° | 61° | 75° | 0.08" | — |
| 1998 | 71° | 55° | 63° | — | — |
| 1997 | 73° | 59° | 66° | — | — |
| 1996warmest | 100° | 61° | 80° | — | — |
| 1995 | 79° | 59° | 69° | — | — |
| 1994 | 71° | 57° | 64° | — | — |
| 1993 | 88° | 60° | 74° | — | — |
| 1992 | 76° | 60° | 68° | — | — |
| 1991 | 86° | 56° | 71° | — | — |
| 1990 | 78° | 58° | 68° | — | — |
| 1989 | 76° | 59° | 67° | — | — |
| 1988 | 84° | 59° | 72° | — | — |
| 1987 | 69° | 58° | 63° | — | — |
| 1986 | 81° | 57° | 69° | — | — |
| 1985 | 83° | 56° | 69° | — | — |
| 1984 | 84° | 55° | 70° | — | — |
| 1983 | 71° | 56° | 63° | — | — |
| 1982 | 68° | 55° | 62° | — | — |
| 1981 | 71° | 59° | 65° | — | — |
| 1980 | 74° | 60° | 67° | — | — |
| 1979 | 78° | 53° | 66° | — | — |
| 1978 | 71° | 55° | 63° | — | — |
| 1977 | 78° | 61° | 69° | — | — |
| 1976 | 75° | 56° | 65° | — | — |
| 1975coldest | 68° | 50° | 59° | — | — |
| 1974 | 66° | 55° | 61° | — | — |
| 1973 | 72° | 55° | 63° | — | — |
| 1972 | 91° | 62° | 77° | — | — |
| 1971 | 80° | 55° | 68° | — | — |
55 years of data from MOFFETT FED AIRFIELD