Cali Weather in December
In December, Cali averages a high of 30°C (85°F) and a low of 19°C (66°F), from 33 years of daily records (1973–2025).
30°C
Average high
85°F
19°C
Average low
66°F
34°C
Record high
94°F · December 29, 2019
15°C
Record low
59°F · December 21, 1973
What December Is Like in Cali
- 5 of the 10 warmest Decembers on record in Cali have come since 2010.
- The coldest December reading, 15°C (59°F) on December 21, 1973, has not been matched in 52 years.
- A typical December brings 14 days above 30°C (86°F).
- The warmest December in the record was 2019; the coldest was 1973.
At least 1 mm of rain falls on 27% of December days, and the month averages 58 mm in total.
Warmest: 2019 (32.4°C)Latest: 2021 (29.8°C)10-year averageLong-run average (29.6°C)
Look Up a Day in December
See the weather in Cali on any December date, year by year.
Source: NOAA GHCN-Daily, Cali/Alfonso Bonill (1971–2025). Averages cover 1973–2025. How we compute this