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Petersburg climate
Typical historical weather for Petersburg, 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 Petersburg.
Annual average
14.4°C
across all months
Warmest month
30.6°C
Jul average high
Coolest month
-2.8°C
Jan average low
Annual rainfall
1288mm
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
36.8°C
22 July 2017
Coldest day
-23.8°C
15 January 2025
Wettest day
75.4mm
3 March 2023
Windiest day
7.9m/s
27 September 2024
See the detail: Petersburg on 3 March 2023.