January in CN Tower: expect compromises
Hardest · 3.9/10January averages -2°C (29°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 56 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 9.1 hours of daylight.
It scores 3.9/10 here, 12th of 12 months, against 9.1/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? May scores 5.2 points higher here — enough to change the trip.
February in CN Tower — the hardest end of the year
Hardest · 4.8/10February averages 0°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Precipitation is light at 40 mm (mostly snow at altitude), with about 2 days with 6+ hours of sunshine and 10.2 hours of daylight.
It scores 4.8/10 here, 10th of 12 months, against 9.1/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip.
Flexible dates? May scores 4.3 points higher here — enough to change the trip.
March in CN Tower — workable with trade-offs
Trade-offs · 5.8/10At 2°C (36°F) this is proper winter weather in March: layer up and split the day between outdoor highlights and indoor stops.
With around 44 mm of rain, any showers tend to pass through rather than settle in; about 8 days with 6+ hours of sunshine and 11.6 hours of daylight fill the rest.
That is 5.8/10 on the same scale — 9th of 12 months, versus 9.1/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip.
If your dates are flexible, May is materially better in CN Tower — 3.3 points higher on the same scale.
April in CN Tower: mixed conditions, plan around the weather
Trade-offs · 6.8/10April averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 66 mm, so plan one flexible day in three; you still get about 16 days with 6+ hours of sunshine and 13.2 hours of daylight.
It scores 6.8/10 here, 7th of 12 months, against 9.1/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? May scores 2.3 points higher here — enough to change the trip.
May in CN Tower tops the year's climate scores
Best window · 9.1/10Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.
With around 41 mm of rain, any showers tend to pass through rather than settle in; about 27 days with 6+ hours of sunshine and 14.5 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for CN Tower at 9.1/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening.
June in CN Tower — one of the year's strongest windows (2nd)
Best window · 9/10June averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 63 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 15.2 hours of daylight.
A 9/10 puts this among the year's best months in CN Tower (2nd of 12); only May scores higher, at 9.1/10.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July holds up well in CN Tower — 5th best month
Good · 8.4/10July averages 23°C (73°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 79 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 14.9 hours of daylight.
It scores 8.4/10 here, 5th of 12 months, against 9.1/10 in the destination's best month.
Plan for peak pricing, with this is one of the busiest months here.
Pack light clothing, a hat and real sun protection, a packable rain layer.
August in CN Tower — one of the year's strongest windows (3rd)
Best window · 9/10At 22°C (72°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 21 days with 6+ hours of sunshine and 13.8 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for CN Tower at 9/10 (3rd of 12), just behind May at 9.1/10.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer.
September ranks 4th of 12 for CN Tower — one of the best windows
Best window · 9/10At 20°C (67°F) this is comfortable city weather in September, with sightseeing easiest before lunch and after the afternoon peak.
With around 35 mm of rain, any showers tend to pass through rather than settle in; about 14 days with 6+ hours of sunshine and 12.3 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for CN Tower at 9/10 (4th of 12), just behind May at 9.1/10.
Budget for peak pricing, and crowds are moderate.
Pack light clothing, a hat and real sun protection.
October in CN Tower — reliably good (6th best month)
Good · 7.7/10October averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 40 mm of rain — occasional showers rather than washed-out days — alongside about 5 days with 6+ hours of sunshine and 10.8 daylight hours.
It scores 7.7/10 here, 6th of 12 months, against 9.1/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
November in CN Tower — workable with trade-offs
Trade-offs · 5.9/10November averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 43 mm of rain — occasional showers rather than washed-out days — alongside almost no days with 6+ hours of sunshine and 9.4 daylight hours.
It scores 5.9/10 here, 8th of 12 months, against 9.1/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Flexible dates? May scores 3.2 points higher here — enough to change the trip.
December in CN Tower — off-season conditions
Hardest · 4.4/10At 2°C (35°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.8 hours of daylight to work around it.
That is 4.4/10 on the same scale — 11th of 12 months, versus 9.1/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in CN Tower — 4.7 points higher on the same scale.
