Cali Weather in May
In May, Cali averages a high of 30°C (85°F) and a low of 19°C (66°F), from 30 years of daily records (1973–2025).
30°C
Average high
85°F
19°C
Average low
66°F
35°C
Record high
95°F · May 22, 1973
16°C
Record low
61°F · May 22, 1975
What May Is Like in Cali
- 6 of the 10 warmest Mays on record in Cali have come since 2011.
- The May heat record, 35°C (95°F) on May 22, 1973, has stood for 52 years.
- The coldest May reading, 16°C (61°F) on May 22, 1975, has not been matched in 50 years.
- A typical May brings 14 days above 30°C (86°F).
At least 1 mm of rain falls on 37% of May days, and the month averages 93 mm in total.
Warmest: 2020 (32.1°C)Latest: 2022 (30.8°C)10-year averageLong-run average (29.6°C)
Look Up a Day in May
See the weather in Cali on any May date, year by year.
Source: NOAA GHCN-Daily, Cali/Alfonso Bonill (1971–2025). Averages cover 1973–2025. How we compute this