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Ottawa Weather in March

March in Ottawa brings low temperatures around 9°C (48°F) during the day, dropping to -2°C (28°F) at night, with quite a bit of snow/rainfall expected, averaging around 66 mm (2.6 in) for the month.

Rainfall in Ottawa in March

Expect around 11 days of snow/rain based on historical data, with 66 mm (2.6 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Ottawa in March

Daytime highs in Ottawa in March reach 9°C (48°F), with nights around -2°C (28°F). Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights are well below freezing at -2°C (28°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation.

March in Ottawa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Ottawa Temperature in March

Min Temperature
-2°C (28°F)
Max Temperature
9°C (48°F)
Chance of Rain
37%
Precipitation
66 mm (2.6 in)
Rainy days
11 days

Ottawa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Ottawa - and find the best time to visit.

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Ottawa in March

Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Ottawa in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    4/10
  • Walking
    4/10
  • Barbeque
    1/10
  • Camping
    1/10
  • Outdoor sports
    4/10

Ottawa 3-Day Forecast

More climate data for Ottawa

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.