15.05
wed
wed
Day
61°F
N 5 mph
Precip.
0%
0%
Night
48°F
N 3 mph
Precip.
0%
0%
16.05
thu
thu
Day
63°F
N 4 mph
Precip.
100%
100%
Night
52°F
SW 5 mph
Precip.
0%
0%
17.05
fri
fri
Day
64°F
W 6 mph
Precip.
89%
89%
Night
50°F
W 6 mph
Precip.
0%
0%
18.05
sat
sat
Day
61°F
W 7 mph
Precip.
0%
0%
Night
46°F
NW 4 mph
Precip.
0%
0%
19.05
sun
sun
Day
59°F
W 8 mph
Precip.
0%
0%
Night
46°F
N 4 mph
Precip.
0%
0%
20.05
mon
mon
Day
59°F
NE 9 mph
Precip.
0%
0%
Night
46°F
NE 9 mph
Precip.
0%
0%
21.05
tue
tue
Day
59°F
NE 9 mph
Precip.
0%
0%
Night
50°F
W 4 mph
Precip.
0%
0%
22.05
wed
wed
Day
61°F
W 12 mph
Precip.
0%
0%
Night
46°F
NW 7 mph
Precip.
0%
0%
23.05
thu
thu
Day
48°F
W 11 mph
Precip.
100%
100%
Night
50°F
W 4 mph
Precip.
100%
100%
24.05
fri
fri
Day
59°F
SE 9 mph
Precip.
69%
69%
Night
46°F
SE 6 mph
Precip.
0%
0%
25.05
sat
sat
Day
55°F
NE 9 mph
Precip.
0%
0%
Night
50°F
N 9 mph
Precip.
44%
44%
26.05
sun
sun
Day
54°F
N 10 mph
Precip.
0%
0%
Night
48°F
N 4 mph
Precip.
73%
73%
27.05
mon
mon
Day
57°F
NE 6 mph
Precip.
100%
100%
Night
48°F
SE 2 mph
Precip.
0%
0%
28.05
tue
tue
Day
64°F
NW 6 mph
Precip.
41%
41%
Night
50°F
NE 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Saint John |
monthly
weather
weather
| Saint John |
current
weather
weather
| Saint John |
7 days
forecast
forecast
| Saint John |
Sea water temperature in May, °F
Show year:
2023
2022
2021
The average sea water temperature in May of 2023 was 45.0°F. The highest and lowest sea temperatures during the month were 49.1°F and 41.4°F.
Air temperature in Saint John, °F
Precipitation total in Saint John, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Saint John
Saint John on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Saint John
Local time: 19:34
May 15, wednesday
2100
48°F
N
3 mph
3 mph
May 16, thursday
0000
48°F
N
3 mph
3 mph
0300
48°F
N
3 mph
3 mph
0600
50°F
N
2 mph
2 mph
0900
59°F
NE
3 mph
3 mph
1200
63°F
N
4 mph
4 mph
1500
63°F
NE
2 mph
2 mph
1800
59°F
SE
4 mph
4 mph
