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Port Saint John climate
Typical historical weather for Port Saint John, 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 Port Saint John.
Annual average
23.1°C
across all months
Warmest month
32.2°C
Jul average high
Coolest month
11.2°C
Jan average low
Annual rainfall
1402mm
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
35.6°C
8 August 2023
Coldest day
-2.2°C
18 January 2018
Wettest day
131.4mm
7 October 2016
Windiest day
12.3m/s
7 October 2016
See the detail: Port Saint John on 7 October 2016.