World Resorts Canada Hamilton Weather

Hamilton weather in May

Weather in Hamilton: May

Average day temperature: 61.1°F
Average night temperature: 50.5°F
Sea water temperature: 47.6°F
Number of sunny days: 10 days
Day length: 14.1 - 15.1 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 80°F. At the same time the lowest night temperature was 40°F. Daily and nightly averages during May were 60.7°F and 48.4°F.

Sea water temperature in Hamilton in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 47.0°F. The highest and lowest sea temperatures during the month were 50.9°F and 42.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Hamilton in May is 0.7 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.7 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.0.

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 29.3 °F
February 29.9 °F
December 36.4 °F
Rainiest months:
April 3 days
July 2 days
June 2 days
Windiest months:
November 10.6 mph
February 10.5 mph
March 10.4 mph

Hamilton on a weather map

Hamilton
+14°F
N 3 mph
Feels like: +7°F
Precip.: 0%
Places in Canada:
Name
°F
+41°F
+45°F
+12°F
+10°F
-8°F
+12°F
-4°F
+3°F
+12°F
-6°F
+25°F
+37°F
+19°F
+16°F
24 Hours Forecast
Hamilton
Local time: 05:03
December 05, friday
0600
16°F
N
4 mph
0900
19°F
N
4 mph
1200
27°F
NE
11 mph
1500
30°F
NE
11 mph
1800
30°F
NE
9 mph
2100
30°F
NE
11 mph
December 06, saturday
0000
30°F
NE
10 mph
0300
32°F
NE
12 mph
Units of measurement: °C / °F