World Resorts Canada Hamilton Weather

Hamilton 7 Days Forecast

17.05
sun
Day
86°F
NE 4 mph
Precip.
0%
Night
64°F
NE 3 mph
Precip.
0%
18.05
mon
Day
75°F
NE 16 mph
Precip.
0%
Night
64°F
NE 11 mph
Precip.
0%
19.05
tue
Day
73°F
NE 17 mph
Precip.
0%
Night
64°F
NE 13 mph
Precip.
100%
20.05
wed
Day
55°F
SE 12 mph
Precip.
0%
Night
46°F
S 7 mph
Precip.
0%
21.05
thu
Day
50°F
W 13 mph
Precip.
0%
Night
45°F
SW 11 mph
Precip.
0%
22.05
fri
Day
54°F
W 6 mph
Precip.
100%
Night
54°F
E 8 mph
Precip.
47%
23.05
sat
Day
57°F
NE 4 mph
Precip.
0%
Night
54°F
E 3 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 42.6°F. The highest and lowest sea temperatures during the month were 45.0°F and 40.6°F.

Air temperature in Hamilton, °F

Precipitation total in Hamilton, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Hamilton

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
July 79.0 °F
August 77.6 °F
June 73.1 °F
Warmest sea temp:
August 71.3 °F
July 69.2 °F
September 67.7 °F
Coldest months:
January 28.8 °F
February 29.8 °F
December 35.4 °F
Rainiest months:
April 2 days
July 2 days
June 2 days
Windiest months:
December 10.6 mph
November 10.6 mph
January 10.5 mph

Hamilton on a weather map

Hamilton
+86°F
NE 4 mph
Feels like: +88°F
Precip.: 0%
Places in Canada:
Name
°F
+46°F
+61°F
+63°F
+57°F
+75°F
+64°F
+75°F
+77°F
+73°F
+61°F
+52°F
+84°F
+55°F
24 Hours Forecast
Hamilton
Local time: 15:53
May 17, sunday
1800
84°F
N
3 mph
2100
75°F
NW
4 mph
May 18, monday
0000
64°F
NE
3 mph
0300
59°F
N
4 mph
0600
57°F
NE
7 mph
0900
64°F
NE
9 mph
1200
75°F
NE
16 mph
1500
79°F
NE
17 mph
Units of measurement: °C / °F