Weather in Sarnia in April
Sarnia, Canada averages a high of 11.7°C (53.1°F) and low of 2.9°C (37.2°F) in April, with 11 rain days and 9.3 hours of daily sunshine. Travel score: 61.6/100 (Good). The best time to visit Sarnia is August.
High
12°C53°F
Low
3°C37°F
🌧️
11
rain days
☀️
9.3
hrs/day sunshine
💧
69%
humidity
62— Good
April in Sarnia is cool and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Sarnia?
How much does it rain in Sarnia in April?
Sarnia receives an average of 79.2mm of rainfall across 11 rainy days in April. The annual total is 825mm.
What should I pack for Sarnia in April?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 12°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 3°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Canada in April?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31