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Sedro-Woolley climate
Typical historical weather for Sedro-Woolley, 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 Sedro-Woolley.
Annual average
9.7°C
across all months
Warmest month
22.2°C
Aug average high
Coolest month
0.2°C
Feb average low
Annual rainfall
1930mm
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
36.2°C
28 June 2021
Coldest day
-16°C
12 January 2024
Wettest day
66.4mm
10 December 2025
Windiest day
6.1m/s
15 November 2021
See the detail: Sedro-Woolley on 10 December 2025.