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Pasadena climate
Typical historical weather for Pasadena, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Pasadena.
Annual average
17.5°C
across all months
Warmest month
32°C
Aug average high
Coolest month
6.8°C
Jan average low
Annual rainfall
443mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
44°C
6 September 2020
Coldest day
-0.4°C
11 February 2019
Wettest day
72.4mm
24 December 2025
Windiest day
5.6m/s
19 January 2021
See the detail: Pasadena on 24 December 2025.