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Hamilton

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Hamilton Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Hamilton year round climate

  • Spring (March–May): Average 36–57°F, climate transitioning from cold to warm, moderate rainfall. Common activities: Late maple leaf viewing, outdoor walks. Suggested clothing: Warm jacket, sweater, long pants.
  • Summer (June–August): Average 65–71°F, warm and humid climate, most rainfall in July. Common activities: Outdoor picnics, hiking, water activities. Suggested clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 63–42°F, climate transitioning from mild to cool, decreased rainfall. Common activities: Maple leaf viewing, fruit picking. Suggested clothing: Jacket, comfortable long pants.
  • Winter (December–February): Average -37–34°F, cold climate, low probability of snowfall, moderate rainfall. Common activities: Indoor activities, skiing (requires travel to other areas). Suggested clothing: Heavy coat, warm clothing, hat, gloves, scarf.

Hamilton climatological average

Annual average temperature: approx. 49.6°F / Annual rainfall: approx. 852 mm / Summer humidity: 65%–75% / Rainiest month: July

Hamilton monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
26.6°F
75.2
February
30.2°F
67.5
March
36.3°F
77.3
April
46.2°F
78
May
57.4°F
57
June
65.8°F
79.3
July
71.1°F
131.8
August
69.3°F
86.8
September
63.9°F
36.3
October
52°F
43.6
November
42.1°F
44.1
December
34.2°F
75.5

Hamilton weather for the next seven days

7/29
Wednesday
Sunny
86.9°F/64.8°F
7/30
Thursday
Partly Cloudy
81.8°F/63.4°F
7/31
Friday
Sunny
82.5°F/63.9°F
8/1
Saturday
Sunny
80.1°F/65.5°F
8/2
Sunday
Partly Cloudy
74.8°F/66.6°F
8/3
Monday
Sunny
77.7°F/65.9°F
8/4
Tuesday
Sunny
79.9°F/65.6°F

Hamilton Frequently Asked Questions and Useful Information for Travel

Best time to visit Hamilton?

The best time to visit Hamilton is in the summer, when the weather is warm and perfect for outdoor activities.

Must-visit attractions?

Must-visit attractions include Niagara Falls, the Great Lakes and national parks, and the industrial heritage of Steel City.