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San Jacinto Weather Records

San Jacinto, 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 Jacinto, California was 120.0 °F48.9 °C which occurred on July 27, 1934.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in San Jacinto, California was 7.0 °F-13.9 °C which occurred on January 7, 1913.
Lowest Temperatures: All-Time By Year
San Jacinto 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) 68.120.0 68.020.0 71.722.1 76.624.8 81.527.5 89.732.1 96.635.9 98.136.7 93.434.1 84.329.1 75.023.9 66.219.0 81.027.2
🌙 Average low (°F°C) 39.54.1 40.94.9 44.97.2 47.88.8 52.311.3 56.913.8 62.817.1 63.817.6 60.115.6 52.011.1 43.86.6 38.63.6 50.510.3
☀️ Record high (°F°C) 91.032.8 95.035.0 102.038.9 104.040.0 109.943.3 116.146.7 120.048.9 116.146.7 116.146.7 108.042.2 99.037.2 91.933.3 120.048.9
🌙 Record low (°F°C) 7.0-13.9 16.0-8.9 17.1-8.3 24.1-4.4 30.0-1.1 30.9-0.6 39.94.4 37.02.8 35.11.7 24.1-4.4 19.0-7.2 17.1-8.3 7.0-13.9
💧 Average precipitation (inchescm) 2.56.3 2.97.3 2.05.0 0.71.7 0.41.1 0.10.2 0.20.4 0.10.2 0.30.9 0.41.0 0.71.9 1.94.8 10.727.2
💧 Daily % chance precipitation 19.6 24.8 19.6 10.1 7.8 1.1 1.6 2.3 3.7 5.9 10.0 16.1 9.7
More San Jacinto Weather Records
1893–2022
Highest daily low 82.9 °F28.3 °C July 23, 2006
Lowest daily high 39.9 °F4.4 °C February 7, 1989
Most daily precipitation 3.5 inches8.8 cm February 14, 2019
Most monthly precipitation 12.0 inches30.5 cm January 1993
Most yearly precipitation 27.4 inches69.6 cm 1978
Earliest freeze October 4 2003
Latest freeze June 2 1967
San Jacinto Weather Streaks
Most consecutive days...
With precipitation 10 days Mar 9–18, 1986
Without precipitation 175 days Apr 21 – Oct 12, 2009
High temperature ≥ 80 °F27 °C 133 days Jun 1 – Oct 11, 1917
High temperature ≥ 90 °F32 °C 90 days Jun 14 – Sep 11, 1958
High temperature ≥ 100 °F38 °C 30 days Jul 29 – Aug 27, 1969
San Jacinto Weather by Year
More
Weather Station Details
Years Station Coordinates
1978–2022 San Jacinto location
1893–1978 San Jacinto location