Hamilton weather in January 2026

Expect -2°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Hamilton in January based on long-term weather averages. There is usually 12 days with some rainfall and 61 mm of average monthly rainfall in January.

  • -2°C maximum daytime temperature in January in Hamilton-2
    -2°C max day temperature
  • 3 hours of sunshine per day
  • 12 days with some rainfall in January in Hamilton12
    12 days with some rainfall
  • -9°C minimum night-time temperature in January in Hamilton-9
    -9°C min night temperature
  • 9 hours of daylight per day in January in Hamilton9
    9 hours of daylight per day
  • No heat & humidity in January in Hamilton0
    No heat & humidity
  • 61 mm monthly rainfall in January in Hamilton61
    61 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Hamilton1
    1 (Low) UV index
  • 3°C sea temperature in January in Hamilton3
    3°C sea temperature

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The January 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 January?

Daytime temperatures usually reach -2°C in Hamilton in January, falling to -9°C at night.

How sunny is it in Hamilton in January?

There are normally 3 hours of bright sunshine each day in Hamilton in January - that's 32% of daylight hours.

Is the sea cold around Hamilton in January?

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

Does it rain in Hamilton in January?

There are usually 12 days with some rain in Hamilton in January and the average monthly rainfall is 61mm. Rain may fall as snow in this month.

Hamilton January sunrise & sunset times

Browse the sunrise and sunset times for Hamilton in January 2026. Select a month to view Hamilton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:52 16:55
Friday, 16th January 2026 07:48 17:11
Saturday, 31st January 2026 07:36 17:30

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