Ottawa weather in March 2025

Expect 2°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Ottawa in March based on long-term weather averages. There is usually 11 days with some rainfall and 62 mm of average monthly rainfall in March.

  • 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

More about Ottawa

Ottawa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ontario

Canadian Affair: Latest special offers on holidays

  • Save on holidays to Canada with top deals & discounts
  • Book holidays, cruises, ski breaks & tours to Canada
  • Offers include discounts, upgrades & more
Go to Canadian Affair deal >>

View all Canadian Affair offers

The March weather guide for Ontario (Ottawa) 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)

Back to top

More about Ontario

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 March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:40 17:50
Sunday, 16th March 2025 06:13 18:10
Monday, 31st March 2025 05:44 18:30

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^