Weather on April 18
San Jose, CA
55 Years of Data
About This Date
April 18th in San Jose, CA typically brings pleasant spring weather, with average highs around 70°F and lows near 48°F. Over 56 years of records, the warmest April 18th was in 2016 (72°F average), while the coldest was 1973 (52°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 16% of April 18th dates historically. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for April 18th in San Jose, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 77° | 46° | 62° | — | — |
| 2025 | 70° | 52° | 61° | — | — |
| 2024 | 78° | 56° | 67° | — | — |
| 2023 | 61° | 46° | 53° | 0.07" | — |
| 2022 | 75° | 42° | 59° | — | — |
| 2021 | 83° | 47° | 65° | — | — |
| 2020 | 69° | 54° | 61° | — | — |
| 2019 | 82° | 50° | 66° | — | — |
| 2018 | 61° | 49° | 55° | — | — |
| 2017 | 69° | 51° | 60° | 0.09" | — |
| 2016warmest | 91° | 53° | 72° | — | — |
| 2015 | 75° | 51° | 63° | — | — |
| 2014 | 71° | 51° | 61° | — | — |
| 2013 | 76° | 45° | 60° | — | — |
| 2012 | 71° | 49° | 60° | — | — |
| 2011 | 66° | 56° | 61° | — | — |
| 2010 | 78° | 47° | 62° | — | — |
| 2009 | 81° | 49° | 65° | — | — |
| 2008 | 69° | 48° | 59° | — | — |
| 2007 | 61° | 47° | 54° | — | — |
| 2006 | 68° | 43° | 55° | — | — |
| 2005 | 68° | 47° | 57° | — | — |
| 2004 | 62° | 46° | 54° | 0.28" | — |
| 2003 | 65° | 42° | 53° | — | — |
| 2002 | 63° | 45° | 54° | — | — |
| 2001 | 72° | 51° | 61° | — | — |
| 2000 | 69° | 45° | 57° | — | — |
| 1999 | 86° | 52° | 69° | — | — |
| 1998 | 72° | 44° | 58° | — | — |
| 1997 | 78° | 54° | 66° | — | — |
| 1996 | 65° | 44° | 54° | 0.28" | — |
| 1995 | 62° | 47° | 54° | 0.2" | — |
| 1994 | 76° | 53° | 64° | — | — |
| 1993 | 66° | 48° | 57° | — | — |
| 1992 | 78° | 53° | 66° | — | — |
| 1991 | 65° | 46° | 55° | — | — |
| 1990 | 69° | 55° | 62° | — | — |
| 1989 | 77° | 53° | 65° | — | — |
| 1988 | 73° | 53° | 63° | — | — |
| 1987 | 66° | 50° | 58° | — | — |
| 1986 | 74° | 43° | 58° | — | — |
| 1985 | 64° | 47° | 55° | — | — |
| 1984 | 67° | 44° | 55° | 0.31" | — |
| 1983 | 72° | 54° | 63° | 0.17" | — |
| 1982 | 74° | 45° | 59° | — | — |
| 1981 | 63° | 53° | 58° | 0.1" | — |
| 1980 | 73° | 47° | 60° | — | — |
| 1979 | 60° | 45° | 52° | — | — |
| 1978 | 67° | 46° | 56° | — | — |
| 1977 | 77° | 46° | 62° | — | — |
| 1976 | 67° | 48° | 57° | — | — |
| 1975 | 60° | 45° | 52° | — | — |
| 1974 | 60° | 44° | 52° | 0.1" | — |
| 1973coldest | 62° | 42° | 52° | — | — |
| 1972 | 66° | 40° | 53° | — | — |
| 1971 | 64° | 45° | 54° | — | — |
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
Most pleasant months in San Jose, CA: March, April, May, June, July, August, September, October, November.
What to expect on April 18th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
April 18th outlook →