Weather in Sarnia in January
Sarnia, Canada averages a high of -0.9°C (30.4°F) and low of -7.6°C (18.3°F) in January, with 9 rain days and 5.1 hours of daily sunshine. Travel score: 37.3/100 (Poor). The best time to visit Sarnia is August.
High
-1°C30°F
Low
-8°C18°F
🌧️
9
rain days
☀️
5.1
hrs/day sunshine
💧
76%
humidity
37— Poor
January in Sarnia is freezing and occasionally wet — challenging weather conditions.
What are the average temperatures in Sarnia?
How much does it rain in Sarnia in January?
Sarnia receives an average of 56.9mm of rainfall across 9 rainy days in January. The annual total is 825mm.
What should I pack for Sarnia in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around -1°C
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Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -8°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting Canada in January?
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