Hamilton weather in June 2025

Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hamilton in June. Check more long-term weather averages for Hamilton in June before you book your next holiday to Ontario in 2025/2026.

  • 24°C maximum daytime temperature in June in Hamilton24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in June in Hamilton10
    10 days with some rainfall
  • 13°C minimum night-time temperature in June in Hamilton13
    13°C min night temperature
  • 15 hours of daylight per day in June in Hamilton15
    15 hours of daylight per day
  • No heat & humidity in June in Hamilton0
    No heat & humidity
  • 77 mm monthly rainfall in June in Hamilton77
    77 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Hamilton8
    8 (Very High) UV index
  • 13°C sea temperature in June in Hamilton13
    13°C sea temperature

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The June 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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More about Ontario

How hot is it in Hamilton in June?

Daytime temperatures usually reach 24°C in Hamilton in June, falling to 13°C at night.

How sunny is it in Hamilton in June?

There are normally 9 hours of bright sunshine each day in Hamilton in June - that's 56% of daylight hours.

How warm is the sea around Hamilton in June?

The average sea temperature around Hamilton in June is 13°C.

Does it rain in Hamilton in June?

There are usually 10 days with some rain in Hamilton in June and the average monthly rainfall is 77mm.

Hamilton June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:42 19:53
Sunday, 15th June 2025 04:39 20:01
Monday, 30th June 2025 04:43 20:03

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