- Latitude: 33.898
- Longitude: -117.602
High Temperatures
On average, the day in August with the warmest high temperature in custom location is August 28 at an average of 90.6 °F (32.6 °C).
On average, the day in August with the coldest high temperature in custom location is August 20 at an average of 88.6 °F (31.4 °C).
Records
The warmest recorded high temperature in August in custom location was 115.0 °F (46.1 °C) on August 9 in the year 1974 at ONTARIO — Integrated Surface Dataset (ISD) station ID: 722865 — Weather Bureau Army Navy (WBAN): 93180 .
The coldest recorded high temperature in August in custom location was 64.9 °F (18.3 °C) on August 14 in the year 1987 at EL TORO MCAS — Weather Bureau Army Navy (WBAN): 93101 .
Low Temperatures
On average, the day in August with the warmest low temperature in custom location is August 12 at an average of 63.9 °F (17.7 °C).
On average, the day in August with the coldest low temperature in custom location is August 23 at an average of 62.2 °F (16.8 °C).
Records
The warmest recorded low temperature in custom location was 93.4 °F (34.1 °C) on August 13 in the year 1933 at MARCH AIR RESERVE BASE — Integrated Surface Dataset (ISD) station ID: 722860 — Weather Bureau Army Navy (WBAN): 23119 .
The coldest recorded low temperature in custom location was 44.6 °F (7.0 °C) on August 12 in the year 2010 at CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: