Canada Toronto Weather in August — Climate Guide
August in Toronto is Very Good
August is Very Good for Toronto.
August matches July's peak. 16-26°C + 9.5 sunshine hours. Caribana final weekend (first weekend of August, 1M attendees). 'Canadian National Exhibition' (CNE, late August to early September, founded 1879, Canada's top fair, amusement park + food + music, 1.5M visitors) + 'Taste of the Danforth' (Greektown festival, second weekend of August, world's #1 Greek festival, 1.3M attendees).
Niagara Falls + Toronto Islands + Casa Loma gardens + Distillery District peak. Korean Liberation Day + vacation season airfares spike + hotels 1.5-2x.
Travel score
Summer peak continues + CNE (1879 founded, 1.5M visitors) + Taste of the Danforth (world #1 Greek festival)
August Weather at a Glance
August averages 79°F / 26°C highs and 61°F / 16°C lows with 9.5 sunshine hours. Lake Ontario water 20°C (year peak). Humidity 67% slightly higher than July. Caribana final weekend (first weekend of August, 1M attendees) overlaps with the Canadian National Exhibition (CNE, late-August to early-September, founded 1879, Canada's #1 fair, amusement park + food + music + 1.5M visitors) and Taste of the Danforth (second weekend of August, 1.3M attendees, world's #1 Greek festival).
August Travel Advice
Same summer attire as July. Caribana final + Taste of the Danforth + CNE = 3 consecutive festival weekends — downtown crowded throughout August. Pre-book everything 6-8 weeks ahead. Niagara Falls + Toronto Islands + Casa Loma gardens all at peak. Korean Liberation Day (August 15) drives additional Korean travel demand. Late-August CNE additional surge.
Flying In from Overseas
Korean Liberation Day vacation + Japan summer holiday + American summer break create peak Asia + US inbound. Direct flights from Seoul CAD 1,500-2,200, Tokyo CAD 1,300-2,000, NYC CAD 350-650. UK + European summer holidays continue. Korean families head to Niagara Falls + Toronto Islands.
August Pricing Trends
Peak pricing continues: Downtown 4-star CAD 450-750/night, Yorkville luxury CAD 750-1,400, boutique CAD 320-580. Caribana final weekend +30-50%. Taste of the Danforth weekend (second weekend of August) Greektown +30-50%. Korean Liberation Day weekend +20-30% Korean-popular hotels.
Toronto August Weather Stats
Avg High
26°C
Avg Low
16°C
Rainy Days
10
80mm total
Sunshine
9.5h
Daily avg
Humidity
67%
Humid
UV Index
8
Very high
Wind
10 km/h
Gusts 22
Sea Temp
20°C
Best swimming
Crowds
Very busy
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
14 μg/m³
PM10
26 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
29°C
Nighttime
17°C
Humidity and wind affect how the actual temperature feels.
Wind
10 km/h
Max gust 22 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- CNE + Taste of the Danforth
- Caribana final
- Niagara peak season
Cons
- Hotels 1.5-2x
- Korean Liberation Day airfare spike
- Late-August CNE additional spike
August Events & Festivals
- Caribana final weekend (first weekend of August)
- Canadian National Exhibition (CNE) — late August to early September (founded 1879, Canada's #1 fair)
- Taste of the Danforth — second weekend of August (Greektown festival, 1.3M attendees)
Toronto in August — Full Picture
August matches July's peak. 16-26°C + 9.5 sunshine hours. Caribana final weekend (first weekend of August, 1M attendees). 'Canadian National Exhibition' (CNE, late August to early September, founded 1879, Canada's top fair, amusement park + food + music, 1.5M visitors) + 'Taste of the Danforth' (Greektown festival, second weekend of August, world's #1 Greek festival, 1.3M attendees).
Niagara Falls + Toronto Islands + Casa Loma gardens + Distillery District peak. Korean Liberation Day + vacation season airfares spike + hotels 1.5-2x.
What to Wear & What to Pack
Mid-summer + humidity. Same as July. T-shirt + shorts + swimsuit.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
11°C
2.3°C
12.7/mo
Summer (Jun·Jul·Aug)
Current25.7°C
15.3°C
10.7/mo
Autumn (Sep·Oct·Nov)
14.3°C
6.3°C
11/mo
Winter (Dec·Jan·Feb)
0°C
-6.7°C
11.7/mo
Toronto Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| -1° | -8° | 12d·51mm | 3.5h | 73% | 1 | Quiet | Low season | |
| 0° | -7° | 11d·47mm | 4.5h | 71% | 2 | Quiet | Low season | |
| 4° | -3° | 12d·56mm | 5.5h | 68% | 3 | Quiet | Shoulder | |
| 11° | 2° | 13d·70mm | 7h | 65% | 5 | Moderate | Shoulder | |
| May (Best) | 18° | 8° | 13d·80mm | 8h | 64% | 6 | Moderate | Shoulder |
| June (Best) | 24° | 13° | 11d·75mm | 9.5h | 65% | 8 | Busy | Peak |
| July (Best) | 27° | 17° | 11d·70mm | 10h | 65% | 9 | Very busy | Peak |
| August (Best) | 26° | 16° | 10d·80mm | 9.5h | 67% | 8 | Very busy | Peak |
| September (Best) | 22° | 12° | 11d·75mm | 8h | 70% | 6 | Busy | Peak |
| 14° | 6° | 11d·65mm | 6.5h | 73% | 4 | Moderate | Shoulder | |
| 7° | 1° | 11d·65mm | 4h | 75% | 2 | Quiet | Low season | |
| 1° | -5° | 12d·55mm | 3h | 75% | 1 | Busy | Peak |
View Other Months
Toronto August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Toronto?
Toronto in August is Very Good. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Toronto in August?
Toronto August averages a high of 26°C and a low of 16°C.
Does it rain much in Toronto in August?
Toronto August averages 80mm of rainfall over about 10 rainy days.
What should I wear in Toronto in August?
Mid-summer + humidity. Same as July. T-shirt + shorts + swimsuit.
What time are sunrise and sunset in Toronto in August?
Toronto August sunrise is 06:15 and sunset is 20:25, with 14h 10m of daylight.
What's the air quality like in Toronto in August?
Toronto August air quality (AQI) averages 42, rated Good. PM2.5 averages 14μg/m³.
What activities are recommended in Toronto in August?
In August, Toronto is great for CNE fair, Taste of the Danforth, Caribana final.
Is August peak season in Toronto?
Toronto August crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Toronto
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.