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San Jose Weather Records

San Jose, California weather data and records from 1893–2022 based on data compiled by the NOAA.
All data displayed in U.S. customary units.
All data displayed in metric units.
All-Time Recorded High
The highest temperature ever recorded in San Jose, California was 108.0 °F42.2 °C which occurred on September 1, 2017.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in San Jose, California was 18.0 °F-7.8 °C which occurred on January 6, 1894.
Lowest Temperatures: All-Time By Year
San Jose Weather by Month
Averages based on the years 1991–2020
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
☀️ Average high (°F°C) 59.515.3 62.517.0 66.219.0 69.720.9 74.223.4 79.326.3 81.527.5 81.627.6 81.127.3 75.724.3 66.219.0 59.315.2 71.421.9
🌙 Average low (°F°C) 42.35.7 44.46.9 46.68.1 48.89.3 52.611.5 56.013.3 58.414.7 58.914.9 57.514.2 53.011.7 46.37.9 42.15.6 50.610.3
☀️ Record high (°F°C) 79.026.1 81.027.2 89.131.7 95.035.0 102.038.9 107.141.7 108.042.2 105.140.6 108.042.2 100.938.3 84.929.4 79.026.1 108.042.2
🌙 Record low (°F°C) 18.0-7.8 24.1-4.4 25.0-3.9 26.1-3.3 32.00.0 33.10.6 39.94.4 39.03.9 35.11.7 30.0-1.1 21.9-5.6 19.0-7.2 18.0-7.8
💧 Average precipitation (inchescm) 2.87.0 2.97.3 2.25.5 1.02.6 0.41.1 0.10.4 0.00.0 0.00.1 0.10.2 0.61.5 1.33.4 2.46.1 13.835.1
💧 Daily % chance precipitation 32.4 36.8 31.0 19.0 10.7 3.4 0.3 1.2 2.6 9.3 23.2 31.6 16.8
More San Jose Weather Records
1893–2022
Highest daily low 78.1 °F25.6 °C September 3, 2017
Lowest daily high 35.1 °F1.7 °C December 11, 1932
Most daily precipitation 4.3 inches11.0 cm September 12, 1918
Most monthly precipitation 12.4 inches31.5 cm January 1911
Most yearly precipitation 32.6 inches82.7 cm 1983
Earliest freeze October 17 1893
Latest freeze April 20 1896
San Jose Weather Streaks
Most consecutive days...
With precipitation 17 days Feb 6–22, 1992
Without precipitation 174 days May 1 – Oct 21, 1987
High temperature ≥ 80 °F27 °C 48 days Jul 1 – Aug 17, 1997
High temperature ≥ 90 °F32 °C 8 days Aug 9–16, 1996
High temperature ≥ 100 °F38 °C 5 days Jul 4–8, 1905
San Jose Weather by Year
More
Weather Station Details
Years Station Coordinates
1999–2022 San Jose 2 location
1893–1998 San Jose location