Hamilton weather in April 2025

Expect daytime maximum temperatures of 12°C in Hamilton in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 73 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Hamilton12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in April in Hamilton11
    11 days with some rainfall
  • 2°C minimum night-time temperature in April in Hamilton2
    2°C min night temperature
  • 13 hours of daylight per day in April in Hamilton13
    13 hours of daylight per day
  • No heat & humidity in April in Hamilton0
    No heat & humidity
  • 73 mm monthly rainfall in April in Hamilton73
    73 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in April in Hamilton5
    5 (Moderate) UV index
  • 3°C sea temperature in April in Hamilton3
    3°C sea temperature

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The April 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 warm is it in Hamilton in April?

Daytime temperatures usually reach 12°C in Hamilton in April, falling to 2°C at night.

How sunny is it in Hamilton in April?

There are normally 6 hours of bright sunshine each day in Hamilton in April - that's 45% of daylight hours.

Is the sea cold around Hamilton in April?

The average sea temperature around Hamilton in April is 3°C.

Does it rain in Hamilton in April?

There are usually 11 days with some rain in Hamilton in April and the average monthly rainfall is 73mm.

Hamilton April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:01 18:46
Tuesday, 15th April 2025 05:37 19:03
Wednesday, 30th April 2025 05:14 19:20

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