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°C maximum daytime temperature in July in Hamilton27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in July in Hamilton9
    9 days with some rainfall
  • 16°C minimum night-time temperature in July in Hamilton16
    16°C min night temperature
  • 15 hours of daylight per day in July in Hamilton15
    15 hours of daylight per day
  • Moderate heat & humidity in July in HamiltonM
    Moderate heat & humidity
  • 74 mm monthly rainfall in July in Hamilton74
    74 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Hamilton8
    8 (Very High) UV index
  • 19°C sea temperature in July in Hamilton19
    19°C sea temperature

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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)

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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.

JanFebMarAprMayJunJulAugSepOctNovDec

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

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