The temperatures in Saint John in June are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Saint John during the month of June. 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 June 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
17° / 10°
Rainy Days
6
Snowy Days
0
Dry Days
24
Rainfall
95
mm
Sun Hours
8.8
Hrs
