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Riverside Weather Records

Riverside, 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 Riverside, California was 118.0 °F47.8 °C which occurred on July 6, 2018.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in Riverside, California was 18.0 °F-7.8 °C which occurred on January 15, 1911.
Lowest Temperatures: All-Time By Year
Riverside 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) 68.820.5 69.020.6 72.322.4 76.324.6 80.727.1 87.230.7 93.734.3 95.635.3 92.233.4 83.428.6 75.123.9 67.719.8 80.226.8
🌙 Average low (°F°C) 43.36.3 44.36.8 46.88.2 49.69.8 54.712.6 58.714.9 63.717.6 64.318.0 61.616.5 55.112.8 47.18.4 42.55.8 52.711.5
☀️ Record high (°F°C) 100.938.3 93.934.4 102.038.9 105.140.6 109.943.3 118.047.8 118.047.8 113.045.0 117.047.2 109.042.8 100.037.8 93.934.4 118.047.8
🌙 Record low (°F°C) 18.0-7.8 24.1-4.4 25.0-3.9 28.9-1.7 33.10.6 35.11.7 41.05.0 39.94.4 37.02.8 30.0-1.1 23.0-5.0 21.0-6.1 18.0-7.8
💧 Average precipitation (inchescm) 2.15.3 2.46.2 1.43.5 0.61.5 0.20.4 0.10.2 0.10.3 0.00.1 0.10.3 0.30.8 0.51.4 1.53.8 9.423.8
💧 Daily % chance precipitation 19.3 23.9 18.2 11.5 5.4 1.4 2.4 1.1 1.8 6.4 10.6 16.5 9.8
More Riverside Weather Records
1893–2022
Highest daily low 80.1 °F26.7 °C September 21, 1939
Lowest daily high 37.0 °F2.8 °C December 13, 1932
Most daily precipitation 4.4 inches11.2 cm March 4, 1938
Most monthly precipitation 10.1 inches25.6 cm February 1998
Most yearly precipitation 22.9 inches58.3 cm 1983
Earliest freeze October 23 1906
Latest freeze April 28 1894
Riverside Weather Streaks
Most consecutive days...
With precipitation 13 days Jan 6–18, 1993
Without precipitation 207 days Apr 13 – Nov 5, 2020
High temperature ≥ 80 °F27 °C 128 days Jun 6 – Oct 11, 1917
High temperature ≥ 90 °F32 °C 68 days Jul 19 – Sep 24, 1995
High temperature ≥ 100 °F38 °C 13 days Jul 28 – Aug 9, 1920
Riverside Weather by Year
More
Weather Station Details
Years Station Coordinates
1999–2022 Riverside Municipal Airport location
1893–1998 Riverside Fire Station location