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Mount Shasta climate
Typical historical weather for Mount Shasta, 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 Mount Shasta.
Annual average
10°C
across all months
Warmest month
30.3°C
Jul average high
Coolest month
-2.2°C
Feb average low
Annual rainfall
1449mm
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
38.5°C
6 July 2024
Coldest day
-19.3°C
6 January 2017
Wettest day
84.8mm
21 December 2025
Windiest day
5.1m/s
27 March 2025
See the detail: Mount Shasta on 21 December 2025.