Ottawa
March
Weather in Ottawa for March 2025
Your guide to Ottawa weather in March - trends and predictions
In general, the average temperature in Ottawa at the beginning of March is 3.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 5 °C by the end of March.
With an average of 4 rainy days, Ottawa experiences minimal rainfall in March, ensuring that most days remain pleasantly dry.
Ottawa experiences moderate snowfall in March, with an average of 6 snowy days.
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21
Dry days
4
Rainy days
6
Snow days
6°/-6°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Ottawa in March average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  2° | 2  3° | |||||
| 3  -0° | 4 6° | 5 7° | 6  6° | 7  3° | 8  3° | 9 3° |
| 10  2° | 11 2° | 12 4° | 13  4° | 14 5° | 15 5° | 16 4° |
| 17 3° | 18  2° | 19 -1° | 20 4° | 21 -1° | 22 -0° | 23  3° |
| 24  2° | 25 3° | 26 6° | 27 7° | 28 5° | 29 6° | 30 4° |
| 31 4° |
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Temperatures trend during March in Ottawa
See the weather trend as well as the moving average line
March weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Mar. | Moderate snow | 2° /-9° | 0.3 mm | 0.2 cm | |
| 2 Mar. | Freezing fog | 3° /-4° | 0.2 mm | 0 cm | |
| 3 Mar. | Patchy light snow | 0° /-9° | 0.3 mm | 0.2 cm | |
| 4 Mar. | Moderate snow | 6° /-4° | 0.2 mm | 0.2 cm | |
| 5 Mar. | Freezing fog | 7° /0° | 0.2 mm | 0 cm | |
| 6 Mar. | Overcast | 6° /-3° | 4.2 mm | 0 cm | |
| 7 Mar. | Light snow showers | 3° /-4° | 0.1 mm | 0 cm | |
| 8 Mar. | Cloudy | 3° /-4° | 0 mm | 0 cm | |
| 9 Mar. | Light snow showers | 3° /-3° | 6.6 mm | 0 cm | |
| 10 Mar. | Mist | 2° /-7° | 8.2 mm | 4.3 cm | |
| 11 Mar. | Light snow | 2° /-5° | 0.2 mm | 0 cm | |
| 12 Mar. | Light snow | 4° /-4° | 0 mm | 0 cm | |
| 13 Mar. | Heavy snow | 4° /-1° | 7.5 mm | 6.4 cm | |
| 14 Mar. | Heavy snow | 5° /0° | 7.9 mm | 6.7 cm | |
| 15 Mar. | Overcast | 5° /-1° | 1.8 mm | 0 cm | |
| 16 Mar. | Heavy snow | 4° /-3° | 3 mm | 2.3 cm | |
| 17 Mar. | Heavy snow | 3° /0° | 16.2 mm | 5.7 cm | |
| 18 Mar. | Moderate or heavy snow showers | 2° /-3° | 1.4 mm | 1.2 cm | |
| 19 Mar. | Moderate or heavy snow showers | -1° /-7° | 1.2 mm | 1 cm | |
| 20 Mar. | Overcast | 4° /-5° | 1.8 mm | 1.5 cm | |
| 21 Mar. | Moderate or heavy snow showers | -1° /-6° | 0.9 mm | 0.6 cm | |
| 22 Mar. | Overcast | 0° /-7° | 2.7 mm | 0.7 cm | |
| 23 Mar. | Moderate rain | 3° /-3° | 12.6 mm | 3.3 cm | |
| 24 Mar. | Partly cloudy | 2° /-5° | 0 mm | 0 cm | |
| 25 Mar. | Light snow | 3° /-4° | 10.4 mm | 3.8 cm | |
| 26 Mar. | Light snow showers | 6° /-1° | 3.2 mm | 1.4 cm | |
| 27 Mar. | Overcast | 7° /1° | 2.1 mm | 0 cm | |
| 28 Mar. | Overcast | 5° /-2° | 0 mm | 0 cm | |
| 29 Mar. | Heavy snow | 6° /-2° | 1.6 mm | 1.4 cm | |
| 30 Mar. | Overcast | 4° /-4° | 0 mm | 0 cm | |
| 31 Mar. | Heavy snow | 4° /-2° | 4.1 mm | 1.8 cm | |
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Important Notice
Our weather forecast for Ottawa in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ottawa forecast closer to your planned date for the most up-to-date weather information.
Ottawa in March - FAQ
What are the expected maximum and minimum temperatures in Ottawa during March?
During March, expect a variety of temperatures with highs around 6° and lows near -6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ottawa during March?
Significant rainfall exceeding 197.7 mm is expected in Ottawa during March, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Ottawa during March?
Ottawa experiences an average snowfall of 85.5 cm during March, occurring over 6 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Ottawa during March?
The average wind speed in Ottawa during March is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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