- Latitude: 33.9
- Longitude: -117.25
High Temperatures
On December 13 in this location the average high temperature is 65.7 °F (18.7 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1975 and the highest recored high temperature was 88.0 °F (31.1 °C) in 2010. The high temperature is usually* between 60.5 °F (15.9 °C) and 70.9 °F (21.6 °C). About a quarter of the time, the high temperature is less than 60.5 °F (15.9 °C), and another quarter of the time, the high temperature is greater than and 70.9 °F (21.6 °C). About 95% of the time, the high temperature has been between 50.6 °F (10.4 °C) and 80.8 °F (27.1 °C).
Low Temperatures
On December 13 in this location the average low temperature is 40.3 °F (4.6 °C). The lowest recored low temperature was 24.1 °F (-4.4 °C) in 1985 and the lowest recored low temperature was 59.0 °F (15.0 °C) in 1952. The low temperature is usually* between 36.3 °F (2.4 °C) and 44.3 °F (6.8 °C). About a quarter of the time, the low temperature is less than 36.3 °F (2.4 °C), and another quarter of the time, the low temperature is greater than and 44.3 °F (6.8 °C). About 95% of the time, the low temperature has been between 28.7 °F (-1.8 °C) and 51.9 °F (11.1 °C).
Frost
On December 13 in this location expect the temperatures to drop below freezing for a risk of frost about 8.0% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- MARCH AIR RESERVE BASE — Integrated Surface Dataset (ISD) station ID: 722860 — Weather Bureau Army Navy (WBAN): 23119 — from year 1933 to 2024
- RIVERSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722869 — Weather Bureau Army Navy (WBAN): 03171 — from year 2006 to 2024
- SAN BERNARDINO INTL — Integrated Surface Dataset (ISD) station ID: 722866 — from year 2009 to 2024
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 to 2024
- HEMET RYAN — Integrated Surface Dataset (ISD) station ID: 720687 — from year 2019 to 2024
- NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 — from year 2014 to 2023
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2006 to 2016
- RIVERSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722869 — from year 1998 to 2005
- RIVERSIDE/MARCH AFB — Integrated Surface Dataset (ISD) station ID: 722860 — from year 2000 to 2004
- ONTARIO INTL ARPT — Integrated Surface Dataset (ISD) station ID: 747040 — from year 2001 to 2004
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — from year 2000 to 2000
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — Weather Bureau Army Navy (WBAN): 23156 — from year 1973 to 1999
- SAN BERNARDINO INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 722866 — Weather Bureau Army Navy (WBAN): 23122 — from year 1943 to 1992
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1952