- Latitude: 33.9
- Longitude: -117.25
High Temperatures
On average, the day in December with the warmest high temperature in custom location is December 1 at an average of 69.1 °F (20.6 °C).
On average, the day in December with the coldest high temperature in custom location is December 28 at an average of 63.4 °F (17.4 °C).
Records
The warmest recorded high temperature in December in custom location was 91.4 °F (33.0 °C) on December 1 in the year 2021 at NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 .
The coldest recorded high temperature in December in custom location was 37.0 °F (2.8 °C) on December 11 in the year 1985 at BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — Weather Bureau Army Navy (WBAN): 23156 .
Low Temperatures
On average, the day in December with the warmest low temperature in custom location is December 3 at an average of 42.3 °F (5.7 °C).
On average, the day in December with the coldest low temperature in custom location is December 31 at an average of 39.2 °F (4.0 °C).
Records
The warmest recorded low temperature in custom location was 77.0 °F (25.0 °C) on December 5 in the year 2023 at CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 .
The coldest recorded low temperature in custom location was 17.1 °F (-8.3 °C) on December 9 in the year 1971 at MARCH AIR RESERVE BASE — Integrated Surface Dataset (ISD) station ID: 722860 — Weather Bureau Army Navy (WBAN): 23119 .
Details
If you would like to see the temperatures for specific days, you can click on the corresponding links below: