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Greencastle climate
Typical historical weather for Greencastle, 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 Greencastle.
Annual average
13.4°C
across all months
Warmest month
31.2°C
Jul average high
Coolest month
-2.9°C
Jan average low
Annual rainfall
1052mm
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
40.6°C
16 July 2024
Coldest day
-19.7°C
21 January 2025
Wettest day
83.3mm
1 September 2021
Windiest day
9.5m/s
2 March 2018
See the detail: Greencastle on 1 September 2021.