Hamilton weather in July 2025

Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hamilton in July. Check more long-term weather averages for Hamilton in July before you book your next holiday to Ontario in 2025/2026.

27
27°C max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
16
16°C min night temperature
15
15 hours of daylight per day
M
Moderate heat & humidity
74
74 mm of monthly rainfall
8
8 (Very High) UV index
19
19°C sea temperature

More about Hamilton

Hamilton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Travelbag: Latest weekly offers on holidays

Sale

Explore top weekly offers on holidays in 2024/2025
Filter deals by continent, star rating & holiday type
Including Dubai, Caribbean, North America, Asia & Pacific

Go to Travelbag deal >>

View all Travelbag offers

Holiday deal finder

Destination

The July weather guide for Ontario (Hamilton) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about Canada

How hot is it in Hamilton in July?

Daytime temperatures usually reach 27°C in Hamilton in July with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Hamilton in July?

There are normally 9 hours of bright sunshine each day in Hamilton in July - that's 61% of daylight hours.

How warm is the sea around Hamilton in July?

The average sea temperature around Hamilton in July is 19°C.

Does it rain in Hamilton in July?

There are usually 9 days with some rain in Hamilton in July and the average monthly rainfall is 74mm.

Hamilton July sunrise & sunset times

Browse the sunrise and sunset times for Hamilton in July 2025. Select a month to view Hamilton sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st July 2025	04:43	20:03
Wednesday, 16th July 2025	04:54	19:56
Thursday, 31st July 2025	05:09	19:42

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Destination Ontario