Weather in Saint John in May

The weather in Saint John in May is extremely hot, while temperatures can easily rise above 30 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 May.
Avg Temp
24° - 30°
Avg Rainy Days
15
Avg Dry Days
16
Avg Snow Days
0
Full weather report for today ››

Weather forecast for the next 14 days ››

Weather Facts - Saint John in May

* The warmest temperature recorded in in May is 34°C
* The coldest temperature recorded in Saint John in May is 17°C
* The average rainfall in Saint John in May is 58 mm

Yearly Average for Saint John

Max Temp
Min Temp
Rainy Days
Jan.
29°
22°
20
Feb.
29°
22°
17
March
29°
23°
16
April
30°
23°
14
May
30°
24°
15
June
31°
25°
15
July
31°
25°
20
August
32°
25°
20
Sep.
31°
25°
19
Oct.
31°
24°
19
Nov.
30°
24°
20
Dec.
29°
23°
21

Average Temperature in Saint John