When to go · London, Ontario
London, Ontario in August
Great month. Inside London, Ontario's best window: May–Oct.
Key facts
- Verdict
- Great
- Temperature
- 26°C (79°F)79°F (26°C) / 14°C (57°F)57°F (14°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- Canada overall
- Prices
- High
- Canada overall
Verdict
Inside London, Ontario's best window: May–Oct.
Is another month better than August?
No other month rates higher than August for London, Ontario in this guide.
Weather in August
- London, OntarioHighs around 26 °C (79 °F), lows around 14 °C (57 °F), rain on about 8 daysHighs around 79 °F (26 °C), lows around 57 °F (14 °C), rain on about 8 days
Crowds and prices
- Crowds · Canada overall
- High
- Prices · Canada overall
- High
Canada overall: Warm and busy; wildfire risk highest in BC and Alberta.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in London, Ontario, side by side.
Verdict
Aug: Great
May: Great
Daytime high
Aug: 26 °C (79 °F)79 °F (26 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Aug: 14 °C (57 °F)57 °F (14 °C)
May: 8 °C (46 °F)46 °F (8 °C)
Rain days
Aug: 8 (better)
May: 9
Crowds
Aug: High
May: Medium
Prices
Aug: High
May: Medium
Festivals listed
Aug: 0
May: 0
August: Inside London, Ontario's best window: May–Oct.
May: Inside London, Ontario's best window: May–Oct.
London, Ontario: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.