- Latitude: 33.733
- Longitude: -117.017
High Temperatures
On May 31 in this location the average high temperature is 81.1 °F (27.3 °C). The lowest recored high temperature was 59.9 °F (15.5 °C) in 1967 and the highest recored high temperature was 102.2 °F (39.0 °C) in 2025. The high temperature is usually* between 75.1 °F (24.0 °C) and 87.2 °F (30.6 °C). About a quarter of the time, the high temperature is less than 75.1 °F (24.0 °C), and another quarter of the time, the high temperature is greater than and 87.2 °F (30.6 °C). About 95% of the time, the high temperature has been between 63.7 °F (17.6 °C) and 98.6 °F (37.0 °C).
Low Temperatures
On May 31 in this location the average low temperature is 53.1 °F (11.7 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1988 and the lowest recored low temperature was 78.1 °F (25.6 °C) in 1984. The low temperature is usually* between 50.2 °F (10.1 °C) and 56.1 °F (13.4 °C). About a quarter of the time, the low temperature is less than 50.2 °F (10.1 °C), and another quarter of the time, the low temperature is greater than and 56.1 °F (13.4 °C). About 95% of the time, the low temperature has been between 44.5 °F (6.9 °C) and 61.8 °F (16.5 °C).
Frost
On May 31 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 2025
- 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 1973 to 1999
- BEAUMONT 1 E — Weather Bureau Army Navy (WBAN): 23156 — from year 1948 to 1953