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![[Summer Only] Whistler Day Tour from Vancouver: Shannon Falls & Sea to Sky Gondola | Canada](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_144523/20230525073440_Z5KSN/jpg)
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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 2.4–14.1°C, 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 18.8–21.7°C, 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 17.7–5.6°C, 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 -3.0–1.2°C, 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. 9.8°C / Annual rainfall: approx. 852 mm / Summer humidity: 65%–75% / Rainiest month: July
Hamilton monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3°C
75.2
February
-1°C
67.5
March
2.4°C
77.3
April
7.9°C
78
May
14.1°C
57
June
18.8°C
79.3
July
21.7°C
131.8
August
20.7°C
86.8
September
17.7°C
36.3
October
11.1°C
43.6
November
5.6°C
44.1
December
1.2°C
75.5
Hamilton weather for the next seven days
6/20
Saturday
Moderate rain
24.9°C/13.2°C
6/21
Sunday
Partly Cloudy
22.1°C/11.1°C
6/22
Monday
Patchy rain nearby
17.6°C/12.4°C
6/23
Tuesday
Sunny
22.4°C/11.4°C
6/24
Wednesday
Sunny
22.3°C/12°C
6/25
Thursday
Patchy rain nearby
21.7°C/15.2°C
6/26
Friday
Partly Cloudy
25.1°C/14.8°C
