Sarnia Weather in March
Sarnia in March
The short of it: Sarnia in March averages a high of 5 °C (42 °F) and a low of -3 °C (26 °F), with 53 mm (2.1 in) of rain and about 11 h 48 min of daylight. Rated 2 of 5 for a visit; the best months are July and September. Source: TerraClimate climate normals, 1991–2020.
Average high 5° · low -3° · rain 53 mm · daylight 11 h 48 min
✦✦ Travel with care for a visit · best months: July & September
March in Sarnia brings afternoons near 5° and nights around -3°, with about 53 mm of rain over the month. Spring takes hold here: highs climb 5° from February to about 5°, with nights near -3°. It is the driest month of the year, only 53 mm of rain. Snow lies on the ground; mind the passes.
The sun is up for about 11 h 48 min in mid-March, 80 minutes more than a month before.
For the traveller: pack a heavy coat, gloves and a scarf. The Almanac rates March 2 of 5 for a visit; the finest months here are July and September.
Against its neighbours, Sarnia runs cooler than most and wetter than most in March. Port Huron, 2 km to the WSW, sees much the same highs.
March in Sarnia, by the numbers
- Warmth rank
- 9th warmest of 12
- Rain rank
- 12th wettest of 12
- Versus February
- 5° warmer, 3.0 mm less rain
- Versus April
- 7° colder
- Day–night spread
- 9°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 11 h 48 min
- Average wind
- 16 km/h
Neighbouring Towns
March averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Port HuronMichigan | 2 km WSW | 6° | -3° | 52 mm |
| MarysvilleMichigan | 10 km SW | 5° | -3° | 51 mm |
| CorunnaOntario | 11 km SSW | 5° | -3° | 52 mm |
| Saint ClairMichigan | 19 km SSW | 6° | -3° | 51 mm |
| CamlachieOntario | 21 km ENE | 4° | -4° | 56 mm |
| PetroliaOntario | 23 km ESE | 5° | -4° | 57 mm |
| RichmondMichigan | 34 km WSW | 6° | -3° | 51 mm |
| New BaltimoreMichigan | 43 km SW | 6° | -3° | 53 mm |