- Latitude: 33.9
- Longitude: -117.25
High Temperatures
On June 30 in this location the average high temperature is 91.8 °F (33.2 °C). The lowest recored high temperature was 70.0 °F (21.1 °C) in 1982 and the highest recored high temperature was 108.5 °F (42.5 °C) in 2013. The high temperature is usually* between 87.4 °F (30.8 °C) and 96.3 °F (35.7 °C). About a quarter of the time, the high temperature is less than 87.4 °F (30.8 °C), and another quarter of the time, the high temperature is greater than and 96.3 °F (35.7 °C). About 95% of the time, the high temperature has been between 78.9 °F (26.1 °C) and 104.7 °F (40.4 °C).
Low Temperatures
On June 30 in this location the average low temperature is 58.9 °F (14.9 °C). The lowest recored low temperature was 47.8 °F (8.8 °C) in 2012 and the lowest recored low temperature was 80.1 °F (26.7 °C) in 1979. The low temperature is usually* between 55.8 °F (13.2 °C) and 62.0 °F (16.7 °C). About a quarter of the time, the low temperature is less than 55.8 °F (13.2 °C), and another quarter of the time, the low temperature is greater than and 62.0 °F (16.7 °C). About 95% of the time, the low temperature has been between 49.8 °F (9.9 °C) and 68.0 °F (20.0 °C).
Frost
On June 30 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 to 2025
- HEMET RYAN — Integrated Surface Dataset (ISD) station ID: 720687 — from year 2020 to 2025
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2007 to 2017
- 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 1998
- 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