St. John's Weather Year-Round — Best Time to Visit
St. John's, Canada has cool weather year-round. The best time to visit is August (score: 70/100). Annual average high: 8.8°C, total rainfall: 1195mm.
When is the best time to visit St. John's?
70
August is the best month to visit St. John's with a travel score of 70/100 (Good).
Expect highs of 19.8°C, 10 rain days, and 8.6 hours of daily sunshine.
View August weather details →Travel Score by Month
27
Jan
31
Feb
37
Mar
43
Apr
53
May
61
Jun
70
Jul
70
Aug
63
Sep
50
Oct
39
Nov
30
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in St. John's each month?
8.8°C
Avg High
3.3°C
Avg Low
1195mm
Annual Rain
How much rain does St. John's get?
St. John's receives 1195mm of rain annually. The wettest month is typically January with 133mm, while June is the driest.
What is the weather like each month in St. John's?
January
27
0°C
Low: -5°C
14 rain days
Poor
February
31
0°C
Low: -6°C
12 rain days
Poor
March
37
1°C
Low: -4°C
12 rain days
Poor
April
43
5°C
Low: 0°C
12 rain days
Mixed
May
53
9°C
Low: 3°C
11 rain days
Mixed
June
61
14°C
Low: 7°C
10 rain days
Good
July
70
19°C
Low: 13°C
10 rain days
Good
August
Best time to visit70
20°C
Low: 14°C
10 rain days
Good
September
63
16°C
Low: 11°C
10 rain days
Good
October
50
11°C
Low: 7°C
12 rain days
Mixed
November
39
7°C
Low: 2°C
13 rain days
Poor
December
30
3°C
Low: -2°C
14 rain days
Poor
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Data based on 1994–2024 averages · Last updated: 2024-12-31