17.05
sun
sun
Day
64°F
SW 6 mph
Precip.
0%
0%
Night
48°F
NE 2 mph
Precip.
0%
0%
18.05
mon
mon
Day
57°F
W 6 mph
Precip.
0%
0%
Night
46°F
E 4 mph
Precip.
0%
0%
19.05
tue
tue
Day
55°F
W 4 mph
Precip.
65%
65%
Night
46°F
N 1 mph
Precip.
62%
62%
20.05
wed
wed
Day
59°F
S 5 mph
Precip.
0%
0%
Night
50°F
E 2 mph
Precip.
0%
0%
21.05
thu
thu
Day
61°F
W 6 mph
Precip.
0%
0%
Night
50°F
E 3 mph
Precip.
0%
0%
22.05
fri
fri
Day
59°F
SW 4 mph
Precip.
0%
0%
Night
50°F
NE 4 mph
Precip.
0%
0%
23.05
sat
sat
Day
55°F
NW 5 mph
Precip.
67%
67%
Night
46°F
NE 5 mph
Precip.
0%
0%
24.05
sun
sun
Day
55°F
W 7 mph
Precip.
0%
0%
Night
46°F
N 4 mph
Precip.
0%
0%
25.05
mon
mon
Day
57°F
W 3 mph
Precip.
0%
0%
Night
39°F
NE 8 mph
Precip.
0%
0%
26.05
tue
tue
Day
54°F
W 5 mph
Precip.
100%
100%
Night
41°F
E 7 mph
Precip.
0%
0%
27.05
wed
wed
Day
54°F
SE 4 mph
Precip.
100%
100%
Night
43°F
NE 6 mph
Precip.
0%
0%
28.05
thu
thu
Day
55°F
W 5 mph
Precip.
45%
45%
Night
46°F
NE 4 mph
Precip.
20%
20%
29.05
fri
fri
Day
61°F
S 4 mph
Precip.
0%
0%
Night
46°F
SE 10 mph
Precip.
0%
0%
30.05
sat
sat
Day
64°F
S 5 mph
Precip.
0%
0%
Night
57°F
NE 3 mph
Precip.
0%
0%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 56.6°F. The highest and lowest sea temperatures during the month were 58.6°F and 54.0°F.
Air temperature in Nanaimo, °F
Precipitation total in Nanaimo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Nanaimo
Nanaimo on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Nanaimo
Local time: 12:54
May 17, sunday
1500
70°F
SW
5 mph
5 mph
1800
70°F
NW
4 mph
4 mph
2100
55°F
NW
1 mph
1 mph
May 18, monday
0000
48°F
NE
2 mph
2 mph
0300
46°F
NE
1 mph
1 mph
0600
48°F
E
1 mph
1 mph
0900
54°F
W
2 mph
2 mph
1200
57°F
W
6 mph
6 mph
