- Latitude: 33.733
- Longitude: -117.017
High Temperatures
On May 20 in this location the average high temperature is 80.0 °F (26.7 °C). The lowest recored high temperature was 59.0 °F (15.0 °C) in 1981 and the highest recored high temperature was 100.9 °F (38.3 °C) in 1942. The high temperature is usually* between 74.2 °F (23.5 °C) and 85.8 °F (29.9 °C). About a quarter of the time, the high temperature is less than 74.2 °F (23.5 °C), and another quarter of the time, the high temperature is greater than and 85.8 °F (29.9 °C). About 95% of the time, the high temperature has been between 63.3 °F (17.4 °C) and 96.7 °F (35.9 °C).
Low Temperatures
On May 20 in this location the average low temperature is 51.6 °F (10.9 °C). The lowest recored low temperature was 35.1 °F (1.7 °C) in 1974 and the lowest recored low temperature was 68.4 °F (20.2 °C) in 1934. The low temperature is usually* between 48.1 °F (8.9 °C) and 55.1 °F (12.8 °C). About a quarter of the time, the low temperature is less than 48.1 °F (8.9 °C), and another quarter of the time, the low temperature is greater than and 55.1 °F (12.8 °C). About 95% of the time, the low temperature has been between 41.4 °F (5.2 °C) and 61.8 °F (16.6 °C).
Frost
On May 20 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