- Latitude: 33.667
- Longitude: -117.733
High Temperatures
On May 1 in this location the average high temperature is 73.2 °F (22.9 °C). The lowest recored high temperature was 57.9 °F (14.4 °C) in 1991 and the highest recored high temperature was 99.0 °F (37.2 °C) in 2014. The high temperature is usually* between 68.1 °F (20.1 °C) and 78.3 °F (25.7 °C). About a quarter of the time, the high temperature is less than 68.1 °F (20.1 °C), and another quarter of the time, the high temperature is greater than and 78.3 °F (25.7 °C). About 95% of the time, the high temperature has been between 58.4 °F (14.7 °C) and 88.0 °F (31.1 °C).
Low Temperatures
On May 1 in this location the average low temperature is 53.4 °F (11.9 °C). The lowest recored low temperature was 35.6 °F (2.0 °C) in 2010 and the lowest recored low temperature was 64.9 °F (18.3 °C) in 1960. The low temperature is usually* between 50.4 °F (10.2 °C) and 56.4 °F (13.6 °C). About a quarter of the time, the low temperature is less than 50.4 °F (10.2 °C), and another quarter of the time, the low temperature is greater than and 56.4 °F (13.6 °C). About 95% of the time, the low temperature has been between 44.7 °F (7.1 °C) and 62.1 °F (16.7 °C).
Frost
On May 1 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:
- J. WAYNE APT-ORANGE CO APT — Integrated Surface Dataset (ISD) station ID: 722977 — Weather Bureau Army Navy (WBAN): 93184 — from year 1941 to 2025
- FULLERTON MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 722976 — Weather Bureau Army Navy (WBAN): 03166 — from year 2006 to 2025
- CORONA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 720333 — Weather Bureau Army Navy (WBAN): 53175 — from year 2011 to 2025
- CORONA MUNI — Integrated Surface Dataset (ISD) station ID: 720333 — from year 2007 to 2016
- CHINO — Integrated Surface Dataset (ISD) station ID: 722899 — from year 1999 to 2005
- JOHN WAYNE ARPT ORA — Integrated Surface Dataset (ISD) station ID: 722977 — from year 2000 to 2003
- EL TORO MCAS — Integrated Surface Dataset (ISD) station ID: 690140 — Weather Bureau Army Navy (WBAN): 93101 — from year 1989 to 1999
- FOB DWYER — Integrated Surface Dataset (ISD) station ID: 690160 — Weather Bureau Army Navy (WBAN): 93114 — from year 1990 to 1998
- NEWPORT BEACH — Integrated Surface Dataset (ISD) station ID: 722973 — from year 1985 to 1994
- TUSTIN MCAF — Integrated Surface Dataset (ISD) station ID: 722915 — Weather Bureau Army Navy (WBAN): 93114 — from year 1976 to 1989
- EL TORO MCAS — Weather Bureau Army Navy (WBAN): 93101 — from year 1945 to 1988
- EL TORO(USMC) — Integrated Surface Dataset (ISD) station ID: 722908 — from year 1973 to 1988
- HUNTINGTON BEACH — Integrated Surface Dataset (ISD) station ID: 722978 — from year 1973 to 1976
- MARINE CORPS AIR STATION — Weather Bureau Army Navy (WBAN): 93114 — from year 1945 to 1975
- SANTA ANA — Weather Bureau Army Navy (WBAN): 93184 — from year 1968 to 1972