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Hillsboro climate
Typical historical weather for Hillsboro, 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 Hillsboro.
Annual average
14°C
across all months
Warmest month
32.3°C
Jul average high
Coolest month
-4.9°C
Jan average low
Annual rainfall
917mm
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
41.3°C
19 August 2023
Coldest day
-26°C
16 February 2021
Wettest day
80.5mm
25 August 2019
Windiest day
10.3m/s
19 March 2025
See the detail: Hillsboro on 25 August 2019.