The temperatures in Saint John in July are comfortable with low of 14°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Saint John during the month of July. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Saint John in July 2025.
If you’re planning to visit Saint John in the near future, we highly recommend that you review the 14 day weather forecast for Saint John before you arrive.
Temperatures
21° / 14°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
75
mm
Sun Hours
9.5
Hrs