Ottawa weather in March 2021

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  • 2°C maximum daytime temperature in March in Ottawa2
    2°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in March in Ottawa11
    11 days with some rainfall
  • -8°C minimum night-time temperature in March in Ottawa-8
    -8°C min night temperature
  • 12 hours of daylight per day in March in Ottawa12
    12 hours of daylight per day
  • No heat & humidity in March in Ottawa0
    No heat & humidity
  • 62 mm monthly rainfall in March in Ottawa62
    62 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in Ottawa3
    3 (Moderate) UV index

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The March weather guide for Ottawa, Ontario 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.

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How cold is it in Ottawa in March?

Daytime temperatures usually reach 2°C in Ottawa in March, falling to -8°C at night.

How sunny is it in Ottawa in March?

There are normally 5 hours of bright sunshine each day in Ottawa in March - that's 43% of daylight hours.

Does it rain in Ottawa in March?

There are usually 11 days with some rain in Ottawa in March and the average monthly rainfall is 62mm. Rain may fall as snow in this month.

Ottawa sunrise & sunset times for March 2021

Browse the sunrise & sunset times for Ottawa in March 2021. Select a month to view Ottawa sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st March 2021 06:41 17:50
Tuesday, 16th March 2021 07:13 19:10
Wednesday, 31st March 2021 06:44 19:30
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where is warm in Ontario in March for 2021/2022?

Below are average maximum temperatures at popular destinations in Ontario in March. Select a destination to see more weather parameters.

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