When to go · London, Ontario
London, Ontario, month by month
The best months for London, Ontario: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Dec.-2 °C / -9 °C, 8 rain days28 °F / 16 °F, 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Dec.-1 °C / -9 °C, 7 rain days30 °F / 16 °F, 7 rain daysCrowds: Low
- MarchMixedOutside the best window (May–Oct). Across Canada: Late ski season; sugar shacks in Québec open for maple season.5 °C / -5 °C, 7 rain days41 °F / 23 °F, 7 rain daysCrowds: Low
- AprilMixedOutside the best window (May–Oct). Across Canada: Thaw and mud; Rockies trails still snowy; Vancouver cherry blossoms.12 °C / 1 °C, 8 rain days54 °F / 34 °F, 8 rain daysCrowds: Low
- MayGreatInside London, Ontario's best window: May–Oct.19 °C / 8 °C, 9 rain days66 °F / 46 °F, 9 rain daysCrowds: Medium
- JuneGreatInside London, Ontario's best window: May–Oct.24 °C / 13 °C, 9 rain days75 °F / 55 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside London, Ontario's best window: May–Oct.27 °C / 15 °C, 8 rain days81 °F / 59 °F, 8 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside London, Ontario's best window: May–Oct.26 °C / 14 °C, 8 rain days79 °F / 57 °F, 8 rain daysCrowds: High
- SeptemberGreatInside London, Ontario's best window: May–Oct.22 °C / 11 °C, 10 rain days72 °F / 52 °F, 10 rain daysCrowds: Medium
- OctoberGreatInside London, Ontario's best window: May–Oct.15 °C / 5 °C, 8 rain days59 °F / 41 °F, 8 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Oct). Across Canada: Grey shoulder season; many seasonal businesses in parks close.8 °C / 0 °C, 10 rain days46 °F / 32 °F, 10 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Jan–Feb (cold, snow), late Dec.1 °C / -5 °C, 9 rain days34 °F / 23 °F, 9 rain daysCrowds: Medium · 1 festival or holiday