Best time to visit Toronto
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Toronto
23 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Toronto).
- 1
Toronto's International Food Tour - Kensington Market - 2
Toronto Premium Driving Tour with CN Tower & Boat Cruise - 3
Show me the City! A Small Group Walking Tour of Toronto - 4
From Toronto: Niagara Falls Day Tour with Optional Boat Cruise - 5
Niagara Falls Canada Day Tour From Toronto + Boat Cruise Option - 6
Niagara Falls Private Custom Tour from Toronto Area - 7
Toronto Islands Evening Bike Tour - 8
1-Hour Toronto Harbour Tour with Live Narration - 9
Toronto Islands Morning Bike Tour - 10
Downtown Toronto Bike Tour - 11
The Great Canadian Food Tour - Distillery + St. Lawrence Market - 12
Toronto Distillery District Walking Tour - 13
St. Clair West and Casa Loma Food and Walking Experience - 14
Best of Niagara Falls Canada Premium Tour: Behind Falls and Boat - 15
Niagara Falls Tour from Toronto: Boat Ride & Journey Behind Falls - 16
Toronto: Authentic Food Tour with Local & International Flavors - 17
Toronto's First Food Tour: Taste the World in Kensington Market - 18
Niagara Falls Tour: Boat Cruise, Journey Behind Falls and Skylon - 19
Toronto: Niagara Falls Tour, Boat, Journey Behind Falls & Tower - 20
Toronto: Niagara Falls ICONIC In-Depth Small Group Tour with Boat - 21
Niagara Falls Small Group Day Tour from Toronto with Boat Cruise - 22
Toronto: Niagara Falls Day tour: Boat, Journey Behind and Tower - 23
Niagara Falls Private Tour: Boat, Journey & Skylon Tower
Last refreshed 2026-05-30.
Similar climatesNiagara Falls94% · Chicago93% · Ottawa92%
Other destinations with the most-alike year-round climate to Toronto (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Toronto's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -6–0 | -5 | 9 | 125 | 13.9 | 70% | 22 | 96 | 1 | Quiet | 4 |
| Feb | -7–1 | -4 | 9 | 114 | 12.7 | 63% | 24 | 141 | 2 | Quiet | 4 |
| Mar | -2–6 | 2 | 11 | 116 | 10.5 | 63% | 24 | 170 | 3 | Quiet | 5 |
| Apr | 3–11 | 7 | 14 | 143 | 10.2 | 61% | 24 | 202 | 4 | Quiet | 5 |
| May | 8–18 | 16 | 9 | 93 | 10.3 | 61% | 20 | 261 | 6 | Quiet | 8 |
| Jun | 15–24 | 23 | 10 | 101 | 10.1 | 60% | 20 | 276 | 6 | Quiet | 8 |
| Jul | 18–26 | 27 | 12 | 110 | 9.2 | 62% | 18 | 288 | 7 | Quiet | 8 |
| Aug | 17–26 | 26 | 11 | 99 | 9.0 | 62% | 19 | 268 | 6 | Peak | 8 |
| Sep | 14–22 | 21 | 9 | 85 | 9.4 | 63% | 19 | 225 | 5 | Moderate | 9 |
| Oct | 8–15 | 13 | 12 | 119 | 9.9 | 67% | 21 | 168 | 3 | Moderate | 6 |
| Nov | 2–9 | 5 | 9 | 93 | 10.3 | 67% | 23 | 131 | 1 | Peak | 5 |
| Dec | -2–4 | -1 | 13 | 157 | 12.1 | 72% | 23 | 89 | 1 | Moderate | 3 |
UV Index in Toronto by Month
UV index in Toronto peaks at 7 (high) in July, dropping to 1 (low) in December. June, July have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
September
9/1014–22°C · 9 rain days (85h) · 225 sun hours · 63% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)
June
8/1015–24°C · 10 rain days (101h) · 276 sun hours · 60% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)
August
8/1017–26°C · 11 rain days (99h) · 268 sun hours · 62% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
Every month
Show the other 9 months in detail
January
4/10-6–0°C (feels -5°C) · 9 rain days (125h) · 96 sun hours · 70% humidity · Quiet crowd · UV 1 (low)
February
4/10-7–1°C (feels -4°C) · 9 rain days (114h) · 141 sun hours · 63% humidity · Quiet crowd · UV 2 (low)
March
5/10-2–6°C (feels 2°C) · 11 rain days (116h) · 170 sun hours · 63% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
April
5/103–11°C (feels 7°C) · 14 rain days (143h) · 202 sun hours · 61% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)
May
8/108–18°C (feels 16°C) · 9 rain days (93h) · 261 sun hours · 61% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
July
8/1018–26°C · 12 rain days (110h) · 288 sun hours · 62% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)
October
6/108–15°C (feels 13°C) · 12 rain days (119h) · 168 sun hours · 67% humidity · Moderate crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
November
5/102–9°C (feels 5°C) · 9 rain days (93h) · 131 sun hours · 67% humidity · Peak crowd · UV 1 (low)
December
3/10-2–4°C (feels -1°C) · 13 rain days (157h) · 89 sun hours · 72% humidity · Moderate crowd · UV 1 (low)
Frequently asked questions about visiting Toronto
When is the best time to visit Toronto?
September is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 14–22°C (9 rainy days). The top three months by score are September, June, August.
What is the worst time to visit Toronto?
December is the lowest-scoring month (3/10). Typical conditions: -2–4°C (13 rainy days).
When are crowds lowest in Toronto?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Toronto have good weather but fewer tourists?
May (climate 8/10, crowd index 1) and June (climate 8/10, crowd index 10) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Toronto by month?
UV peaks at 7 (high) in July and is lowest in December at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 3, Apr 4, May 6, Jun 6, Jul 7, Aug 6, Sep 5, Oct 3, Nov 1, Dec 1.
What is the UV index in Toronto in July?
July is the peak UV month in Toronto, with a daily-peak UV index of 7 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Toronto on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 7 (high), but the top 10% of days reach UV 8 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, April, May, June, July, August, September, October. Plan sun protection for the worst case, not the average.
Is air quality in Toronto bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 9 months: February, March, April, May, June, July, August, September, October. The worst month is June with a typical-day mean of 23 µg/m³ (unhealthy for sensitive); on the worst 10% of days PM2.5 reaches 40 µg/m³ (hazardous) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.