30YearWeather
Toronto in August
Toronto weather in August - Canada
😊Warm & Pleasant

Toronto Weather in August

Plan your August trip to Toronto, Canada. Based on 30 years of NASA data, expect temperatures of 25°C (high) to 18°C (low), with 23% rain probability and 8 hours of daily sunshine. Great conditions with only 8 rainy days expected.

Avg High
25°C

Hottest around day 2

Avg Low
18°C

Coolest around day 31

Rainy Days
8days

23% avg rain chance

Sunshine
8hrs/day

Summer season

Toronto August Weather Calendar

Click any day to see detailed weather information

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Connect

Calling...

Safety

Very High Safety

GPI: 1.389

Travel Intelligence

Exclusive flight analytics & health data for Toronto

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
100/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Sep

Low

Jan

Monthly Traffic Distribution

485
Jan
503
Feb
525
Mar
545
Apr
650
May
1370
Jun
1411
Jul
1470
Aug
1494
Sep
1317
Oct
1163
Nov
893
Dec
Traffic Level
Low Season

Key Connections

Montreal Trudeau (YUL)
Vancouver (YVR)
New York La Guardia (LGA)
Calgary (YYC)
Chicago O'Hare (ORD)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Canada. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Canada.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Canada.Rabies is commonly found in some terrestrial wildlife species and bats.If rabies exposures occur while in Canada, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Toronto?

👌Decent conditions for most activities
Short Answer

⚠️ August falls in Toronto's typhoon season. While daily weather averages 25°C with 23% rain, tropical storms can disrupt travel. Flexible bookings recommended.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Vaccinations required

Yellow Fever

Peak tourist season

98% of annual peak - expect crowds and peak prices

Ideal temperature range

25.3°C - perfect for sightseeing and outdoor activities

Plenty of sunshine

11.1h of sunshine daily

Exceptional dining scene

92 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 25.3°C temperatures and low 23% rain risk

  • 👴
    Elderly travelers

    Comfortable 25.3°C temperature range with manageable humidity

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 25.3°C, 23% rain chance

  • 📸
    Photographers

    11.1h sunshine, 51% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only undefined°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Toronto in August averages 25°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Toronto in August

What are the temperatures in Toronto in August?

Daytime highs average 25°C, nights drop to 18°C. Temperatures remain fairly consistent.

How many rainy days in Toronto in August?

Expect around 8 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Toronto in August?

Comfortable casual wear with a light jacket for evenings.

Is August peak season in Toronto?

This is typically peak season with higher prices. Book 2-3 months ahead.