The temperatures in Moncton in August are comfortable with low of 14°C and and high up to 24°C.
You can expect about 3 to 8 days of rain in Moncton during the month of August. 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 Moncton in August 2025.
If you’re planning to visit Moncton in the near future, we highly recommend that you review the 14 day weather forecast for Moncton before you arrive.
Temperatures
24° / 14°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
112
mm
Sun Hours
10.1
Hrs
