Ottawa Weather in March
Ottawa in March
The short of it: Ottawa in March averages a high of 3 °C (37 °F) and a low of -7 °C (19 °F), with 63 mm (2.5 in) of rain and about 11 h 47 min of daylight. Rated 1 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 3° · low -7° · rain 63 mm · daylight 11 h 47 min
✦ Travel with care for a visit · best months: September & June
Thirty years of records give Ottawa an average March high of 3°, a low of -7° and some 63 mm of rain. Spring takes hold here: highs climb 6° from February to about 3°, with nights near -7°. Wet spells are common — about 63 mm, the 10th wettest month. Snow lies on the ground; mind the passes.
The sun is up for about 11 h 47 min in mid-March, 87 minutes more than a month before.
For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates March 1 of 5 for a visit; the finest months here are September and June.
Against its neighbours, Ottawa runs warmer than most and wetter than most in March. Centretown, 0 km to the NNE, sees much the same highs.
March in Ottawa, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 10th wettest of 12
- Versus February
- 6° warmer, 6.0 mm more rain
- Versus April
- 8° colder
- Day–night spread
- 10°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 11 h 47 min
- Average wind
- 12 km/h
Neighbouring Towns
March averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| CentretownOntario | 0 km NNE | 3° | -7° | 63 mm |
| The GlebeOntario | 1 km SE | 3° | -7° | 63 mm |
| HullQuebec | 2 km NNW | 2° | -8° | 63 mm |
| Sandy HillOntario | 2 km NE | 3° | -8° | 60 mm |
| Ottawa SouthOntario | 2 km SSE | 3° | -7° | 63 mm |
| LowertownOntario | 2 km N | 3° | -8° | 60 mm |
| HintonburgOntario | 2 km WSW | 2° | -8° | 61 mm |
| New EdinburghOntario | 3 km NNE | 3° | -8° | 60 mm |