Weather on June 18
San Jose, CA
55 Years of Data
About This Date
June 18th in San Jose, CA typically brings warm summer weather, with average highs around 81°F and lows near 56°F — a 25°F daily swing. Over 55 years of records, the warmest June 18th was in 2017 (86°F average), while the coldest was 1991 (61°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 18th dates historically. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in San Jose, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 83° | 54° | 68° | — | — |
| 2024 | 89° | 56° | 72° | — | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 73° | 52° | 62° | — | — |
| 2021 | 93° | 62° | 78° | — | — |
| 2020 | 93° | 59° | 76° | — | — |
| 2019 | 80° | 58° | 69° | — | — |
| 2018 | 79° | 58° | 68° | — | — |
| 2017warmest | 103° | 70° | 86° | — | — |
| 2016 | 77° | 58° | 67° | — | — |
| 2015 | 75° | 53° | 64° | — | — |
| 2014 | 88° | 53° | 70° | — | — |
| 2013 | 71° | 55° | 63° | — | — |
| 2012 | 78° | 56° | 67° | — | — |
| 2011 | 80° | 53° | 67° | — | — |
| 2010 | 71° | 51° | 61° | — | — |
| 2009 | 85° | 57° | 71° | — | — |
| 2008 | 89° | 57° | 73° | — | — |
| 2007 | 86° | 55° | 71° | — | — |
| 2006 | 78° | 58° | 68° | — | — |
| 2005 | 73° | 56° | 64° | — | — |
| 2004 | 79° | 59° | 69° | — | — |
| 2003 | 73° | 55° | 64° | — | — |
| 2002 | 76° | 59° | 67° | — | — |
| 2001 | 94° | 60° | 77° | — | — |
| 2000 | 79° | 60° | 69° | — | — |
| 1999 | 74° | 53° | 63° | — | — |
| 1998 | 85° | 58° | 71° | — | — |
| 1997 | 82° | 59° | 71° | — | — |
| 1996 | 84° | 55° | 70° | — | — |
| 1995 | 69° | 53° | 61° | 0.03" | — |
| 1994 | 82° | 50° | 66° | — | — |
| 1993 | 98° | 65° | 81° | — | — |
| 1992 | 76° | 55° | 65° | — | — |
| 1991coldest | 68° | 53° | 61° | — | — |
| 1990 | 76° | 56° | 66° | — | — |
| 1989 | 82° | 55° | 69° | — | — |
| 1988 | 94° | 58° | 76° | — | — |
| 1987 | 76° | 51° | 63° | — | — |
| 1986 | 77° | 57° | 67° | — | — |
| 1985 | 83° | 61° | 72° | — | — |
| 1984 | 83° | 52° | 67° | — | — |
| 1983 | 75° | 54° | 64° | — | — |
| 1982 | 76° | 57° | 66° | — | — |
| 1981 | 92° | 61° | 76° | — | — |
| 1980 | 80° | 54° | 67° | — | — |
| 1979 | 78° | 50° | 64° | — | — |
| 1978 | 73° | 57° | 65° | — | — |
| 1977 | 69° | 56° | 62° | — | — |
| 1976 | 81° | 55° | 68° | — | — |
| 1975 | 75° | 49° | 62° | — | — |
| 1974 | 72° | 57° | 64° | 0.18" | — |
| 1973 | 84° | 50° | 67° | — | — |
| 1972 | 85° | 54° | 69° | — | — |
| 1971 | 83° | 56° | 69° | — | — |
San Jose, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Jose, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Jose, 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 San Jose, CA
San Jose, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.