- Latitude: 33.733
- Longitude: -117.017
High Temperatures
On May 9 in this location the average high temperature is 77.6 °F (25.3 °C). The lowest recored high temperature was 51.8 °F (11.0 °C) in 1999 and the highest recored high temperature was 99.3 °F (37.4 °C) in 2025. The high temperature is usually* between 71.0 °F (21.7 °C) and 84.2 °F (29.0 °C). About a quarter of the time, the high temperature is less than 71.0 °F (21.7 °C), and another quarter of the time, the high temperature is greater than and 84.2 °F (29.0 °C). About 95% of the time, the high temperature has been between 58.5 °F (14.7 °C) and 96.7 °F (35.9 °C).
Low Temperatures
On May 9 in this location the average low temperature is 50.1 °F (10.1 °C). The lowest recored low temperature was 39.0 °F (3.9 °C) in 1950 and the lowest recored low temperature was 68.4 °F (20.2 °C) in 1934. The low temperature is usually* between 46.8 °F (8.2 °C) and 53.5 °F (11.9 °C). About a quarter of the time, the low temperature is less than 46.8 °F (8.2 °C), and another quarter of the time, the low temperature is greater than and 53.5 °F (11.9 °C). About 95% of the time, the low temperature has been between 40.4 °F (4.7 °C) and 59.8 °F (15.4 °C).
Frost
On May 9 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
- HEMET RYAN — Integrated Surface Dataset (ISD) station ID: 720687 — from year 2020 to 2023
- RIVERSIDE/MARCH AFB — Integrated Surface Dataset (ISD) station ID: 722860 — from year 2000 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 1974 to 1999
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1953