Sarnia Weather in March

Sarnia in March sees low temperatures, with highs around 6°C (43°F) and overnight lows of -3°C (27°F). It's the driest month of the year, with very little snow/rainfall to worry about.

Rainfall in Sarnia in March

As the driest month, it's a good time for hiking and exploring the area, even if you'll need to layer up. Records from the past 30 years suggest around 11 days of snow/rain, with 66 mm (2.6 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Sarnia in March

Daytime temperatures in Sarnia reach 6°C (43°F) in March, dropping to -3°C (27°F) at night. It stays cool throughout the day, so warm layers are a good idea from morning to evening. At -3°C (27°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

March in Sarnia has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.