- Latitude: 34.095
- Longitude: -117.235
High Temperatures
On March 11 in this location the average high temperature is 69.0 °F (20.5 °C). The lowest recored high temperature was 46.0 °F (7.8 °C) in 1952 and the highest recored high temperature was 91.9 °F (33.3 °C) in 2007. The high temperature is usually* between 62.7 °F (17.0 °C) and 75.3 °F (24.1 °C). About a quarter of the time, the high temperature is less than 62.7 °F (17.0 °C), and another quarter of the time, the high temperature is greater than and 75.3 °F (24.1 °C). About 95% of the time, the high temperature has been between 50.7 °F (10.4 °C) and 87.3 °F (30.7 °C).
Low Temperatures
On March 11 in this location the average low temperature is 44.0 °F (6.7 °C). The lowest recored low temperature was 29.3 °F (-1.5 °C) in 1948 and the lowest recored low temperature was 71.6 °F (22.0 °C) in 2004. The low temperature is usually* between 40.5 °F (4.7 °C) and 47.5 °F (8.6 °C). About a quarter of the time, the low temperature is less than 40.5 °F (4.7 °C), and another quarter of the time, the low temperature is greater than and 47.5 °F (8.6 °C). About 95% of the time, the low temperature has been between 33.9 °F (1.1 °C) and 54.1 °F (12.3 °C).
Frost
On March 11 in this location expect the temperatures to drop below freezing for a risk of frost about 1.0% 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 2025
- NORTON AAF — Weather Bureau Army Navy (WBAN): 23122 — from year 2015 to 2025
- RIVERSIDE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722869 — Weather Bureau Army Navy (WBAN): 03171 — from year 2006 to 2025
- SAN BERNARDINO INTL — Integrated Surface Dataset (ISD) station ID: 722866 — from year 2009 to 2025
- RIVERSIDE MUNI — Integrated Surface Dataset (ISD) station ID: 722869 — from year 1999 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 2002 to 2004
- BEAUMONT — Integrated Surface Dataset (ISD) station ID: 722867 — from year 2000 to 2001
- 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 1993
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1953