When to go · Sarnia
Sarnia, month by month
The best months for Sarnia: Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, lake-effect snow); the last week of June and Canada Day weekend for crowds at the bridge.-1 °C / -8 °C, 12 rain days30 °F / 18 °F, 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, lake-effect snow); the last week of June and Canada Day weekend for crowds at the bridge.0 °C / -8 °C, 10 rain days32 °F / 18 °F, 10 rain daysCrowds: Low
- MarchMixedOutside the best window (Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates). Across Canada: Late ski season; sugar shacks in Québec open for maple season.5 °C / -4 °C, 11 rain days41 °F / 25 °F, 11 rain daysCrowds: Low
- AprilMixedOutside the best window (Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates). Across Canada: Thaw and mud; Rockies trails still snowy; Vancouver cherry blossoms.12 °C / 2 °C, 12 rain days54 °F / 36 °F, 12 rain daysCrowds: Low
- MayGoodOutside the best window (Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.19 °C / 7 °C, 11 rain days66 °F / 45 °F, 11 rain daysCrowds: Medium
- JuneGreatInside Sarnia's best window: Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates.24 °C / 13 °C, 10 rain days75 °F / 55 °F, 10 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside Sarnia's best window: Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates.27 °C / 16 °C, 9 rain days81 °F / 61 °F, 9 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Sarnia's best window: Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates.26 °C / 15 °C, 9 rain days79 °F / 59 °F, 9 rain daysCrowds: High
- SeptemberGreatInside Sarnia's best window: Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates.22 °C / 11 °C, 10 rain days72 °F / 52 °F, 10 rain daysCrowds: Medium
- OctoberGreatInside Sarnia's best window: Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates.15 °C / 6 °C, 11 rain days59 °F / 43 °F, 11 rain daysCrowds: Medium
- NovemberMixedOutside the best window (Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates). Across Canada: Grey shoulder season; many seasonal businesses in parks close.8 °C / 0 °C, 12 rain days46 °F / 32 °F, 12 rain daysCrowds: Low
- DecemberMixedOutside the best window (Jun–Sep for beaches and the waterfront; Sep–Oct for quiet trails and lower room rates). Across Canada: Christmas markets and ski openings; winter tyres required on many BC highways.2 °C / -4 °C, 13 rain days36 °F / 25 °F, 13 rain daysCrowds: Medium · 1 festival or holiday