Hamilton weather in March 2025

Expect 4°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hamilton in March based on long-term weather averages. There is usually 12 days with some rainfall and 69 mm of average monthly rainfall in March.

  • 4°C maximum daytime temperature in March in Hamilton4
    4°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in March in Hamilton12
    12 days with some rainfall
  • -4°C minimum night-time temperature in March in Hamilton-4
    -4°C min night temperature
  • 12 hours of daylight per day in March in Hamilton12
    12 hours of daylight per day
  • No heat & humidity in March in Hamilton0
    No heat & humidity
  • 69 mm monthly rainfall in March in Hamilton69
    69 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Hamilton4
    4 (Moderate) UV index
  • 2°C sea temperature in March in Hamilton2
    2°C sea temperature

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The March 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 cold is it in Hamilton in March?

Daytime temperatures usually reach 4°C in Hamilton in March, falling to -4°C at night.

How sunny is it in Hamilton in March?

There are normally 5 hours of bright sunshine each day in Hamilton in March - that's 38% of daylight hours.

Is the sea cold around Hamilton in March?

The average sea temperature around Hamilton in March is 2°C.

Does it rain in Hamilton in March?

There are usually 12 days with some rain in Hamilton in March and the average monthly rainfall is 69mm. Rain may fall as snow in this month.

Hamilton March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:55 18:09
Sunday, 16th March 2025 06:29 18:27
Monday, 31st March 2025 06:02 18:45

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