

Hamilton
Hamilton is a city in Ontario, Canada. It has a population of about 569,353 (2021). The climate is classified as hot-summer humid continental (Köppen Dfa), with warm summers, cold winters and precipitation in every season.
Best: May–Jun · Sep. Warmth, sunshine and dry days, month by month.
Hamilton at a glance
The months with the highest weather score
Average high in July
Average low in January
77 mm of rain
67 mm of rain
within 2.8 km
How Hamilton has grown
People living in the built-up area (173 km² today), every five years since 1975; 2030 is the projection.
+43%311k in 1975 → 446k in 2025Weather in Hamilton
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Sunny · wind 3 km/h · humidity 60%
When to go to Hamilton
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 15 | 26 | 26 | 46 | 68 | 60 | 51 | 55 | 73 | 53 | 18 | 15 |
| High | 0° | 2° | 7° | 14° | 21° | 26° | 29° | 28° | 24° | 16° | 9° | 3° |
| Low | -8° | -8° | -3° | 2° | 8° | 14° | 16° | 16° | 12° | 6° | 0° | -4° |
| Rain (mm) | 69 | 67 | 70 | 82 | 86 | 84 | 96 | 87 | 92 | 77 | 89 | 72 |
| Wet days | 14 | 11 | 11 | 13 | 12 | 15 | 15 | 15 | 11 | 16 | 14 | 16 |
What's on in Hamilton
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Concerts and shows
2FebHamilton's festivals through the year
Monuments and museums in Hamilton
More museums: Art Gallery · Hamilton Artists Inc. · Hamilton Children's Museum · Hamilton Military Museum · Historic Plaque · Sculpture Park · Tim Hortons Museum · Whitehern Historic House · Workers Arts and Heritage Centre
Outdoors around Hamilton
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Hamilton
Wildlife in October
The birds and mammals of Canada seen most this month, compared with the rest of their year.
The sky over Hamilton
Earthquakes around Hamilton
The last 30 days within 300 km, and the record since 1950.
Fossil sites near this town
Fossil sites: 1 · 1 km
Formations around the town
Universities and research institutes
Towns and villages around Hamilton
Each with its own page: weather, climate and the best time to visit.
Hamilton from above
Postal code
Getting to Hamilton
Places near Hamilton
Places with a climate like Hamilton
Matched month by month on temperature, rain and sunshine.
97% alike