May - RAMONA AIRPORT - Weather History and Averages

An Integrated Surface Dataset (ISD) station ID was found for this station. Newer data may be available at the ISD page.

High Temperatures

On average, the day in May with the warmest high temperature in RAMONA AIRPORT is May 31 at an average of 80.3 °F (26.9 °C).

On average, the day in May with the coldest high temperature in RAMONA AIRPORT is May 23 at an average of 74.5 °F (23.6 °C).

The warmest recorded high temperature in May in RAMONA AIRPORT was 100.9 °F (38.3 °C) on May 11 in the year 2025 at RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 .

The coldest recorded high temperature in May in RAMONA AIRPORT was 52.0 °F (11.1 °C) on May 7 in the year 2017 at RAMONA AIRPORT — Integrated Surface Dataset (ISD) station ID: 745056 — Weather Bureau Army Navy (WBAN): 53120 .

On average, the day in May with the warmest low temperature in RAMONA AIRPORT is May 18 at an average of 50.0 °F (10.0 °C).

On average, the day in May with the coldest low temperature in RAMONA AIRPORT is May 5 at an average of 45.4 °F (7.4 °C).

If you would like to see the temperatures for specific days, you can click on the corresponding links below: