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Spearfish climate
Typical historical weather for Spearfish, 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 Spearfish.
Annual average
8.1°C
across all months
Warmest month
28.9°C
Jul average high
Coolest month
-9.4°C
Feb average low
Annual rainfall
618mm
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
39.3°C
27 July 2021
Coldest day
-34.1°C
13 January 2024
Wettest day
47.3mm
13 October 2021
Windiest day
11.5m/s
14 January 2021
See the detail: Spearfish on 13 October 2021.