Weather in St. John's in Summer
| June | July | August | ||||
| Average day temperature: | 55.9°F | 64.1°F | 66.0°F | |||
| Average night temperature: | 49.4°F | 57.3°F | 59.4°F | |||
| Sea water temperature: | 43.9°F | 53.0°F | 59.5°F | |||
| Number of sunny days: | 5 days | 6 days | 8 days | |||
| Day length: | 15.7 - 16.0 h. | 15.0 - 15.9 h. | 13.4 - 14.9 h. | |||
| Number of rainy days: | 4 days | 3 days | 3 days | |||
| Precipitation totals: | 2.0 in. | 1.3 in. | 2.4 in. | |||
current
weather
weather
| St. John's |
monthly
weather
weather
| St. John's |
sea water
temperature
temperature
| St. John's |
14 days
forecast
forecast
| St. John's |
Day & Night air temperature, °F
June
July
August
0
11
22
33
44
55
66
77
88
66.0
64.1
55.9
59.4
57.3
49.4
| Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
10
20
30
40
50
60
70
80
59.5
53
43.9
Precipitation total, in.
June
July
August
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
2.4
1.3
2
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
14
15
18
10
9
7
8
6
5
| Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
| St. John's |
weather in
spring
spring
| St. John's |
weather in
summer
summer
| St. John's |
weather in
autumn
autumn
| St. John's |
Wind speed, mph
June
July
August
0.0
1.9
3.8
5.6
7.5
9.4
11.3
13.1
15.0
10.9
10.1
10.7
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
6.4
6.8
5.9
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in St. John's
St. John's on a weather map
Leaflet | Tiles © Esri
Places in Canada:
Name
°F
24 Hours Forecast
St. John's
Local time: 14:00
April 01, tuesday
1500
48°F
NE
19 mph
19 mph
1800
48°F
NE
24 mph
24 mph
2100
48°F
NE
23 mph
23 mph
April 02, wednesday
0000
43°F
NE
21 mph
21 mph
0300
37°F
E
17 mph
17 mph
0600
32°F
E
21 mph
21 mph
0900
32°F
E
22 mph
22 mph
1200
32°F
E
23 mph
23 mph
