Weather in Saint John in August
The weather in Saint John in August is extremely hot, while temperatures can easily rise above 32 degrees. This hot weather is not advisable for long walks and outdoors activity, so please prepare for summer conditions with water and comfortable light clothes for a trip in Saint John during August.
Avg Temp
25° - 32°
Avg Rainy Days
20
Avg Dry Days
11
Avg Snow Days
0
Weather Facts - Saint John in August
* The warmest temperature recorded in in August is 36°C
* The coldest temperature recorded in Saint John in August is 20°C
* The average rainfall in Saint John in August is 78 mm