Ottawa
March
Weather in Ottawa for March 2025
Your guide to Ottawa weather in March - trends and predictions
Expect heavy snowfall in Ottawa during March, with an average of 18 snowy days.
According to Ottawa snow forecast for March 2025, 5 snowy days are expected at the beginning of March. The first snowfall for March is expected in Saturday, 1 March.The forecast for the first days of March 2025 in Ottawa predicts a temperature of -4.4 °C , which is warmer than usual.
In general, the average temperature in Ottawa at the beginning of March is -7.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 5 °C by the end of March.
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Snow Forecast ❄️
Temperatures
More
9
Dry days
4
Rainy days
18
Snow days
3°/-3°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Ottawa Weather March
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  1° | ||||||
| 2  -10° | 3 -13° | 4  -10° | 5 -1° | 6  -3° | 7  -16° | 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. | Heavy snow | 1° /-14° | 5.1 mm | 3.7 cm | |
| 2 Mar. | Partly cloudy | -10° /-20° | 0 mm | 0 cm | |
| 3 Mar. | Partly cloudy | -13° /-22° | 0 mm | 0 cm | |
| 4 Mar. | Moderate snow | -10° /-23° | 1.4 mm | 1 cm | |
| 5 Mar. | Heavy snow | -1° /-10° | 4.1 mm | 3 cm | |
| 6 Mar. | Light freezing rain | -3° /-12° | 0.2 mm | 0.1 cm | |
| 7 Mar. | Light snow | -16° /-24° | 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?
Brace for cold days with temperatures not exceeding 3° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Ottawa during March?
Moderate rainfall is anticipated in Ottawa during March, with a total of 98.9 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Ottawa in March 2025?
Ottawa experiences an average snowfall of 42.74 cm during March, occurring over 18 days.
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.
Ottawa snow forecast March 2025
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March rainfall patterns in Ottawa
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