Niagara Falls weather by month
Canada

The best time to visit Niagara Falls is May, June and September — 92/100 in September, 24°C and 7 rainy days. The best season is summer, June to August (83/100 on average).
The worst month is January at 37/100 — freezing, a little rain, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Canada →
Niagara Falls, month by month
Comfort score out of 100 for the kind of trip Niagara Falls is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 37 | F | 1°C | 10 d | 5 h | Peak | 2 |
| FebFebruary | 45 | F | 3°C | 9 d | 6 h | Quiet | 1 |
| MarMarch | 57 | D | 7°C | 10 d | 8 h | Busy | — |
| AprApril | 68 | C | 13°C | 11 d | 9 h | Shoulder | 1 |
| MayMay | 85 | A | 20°C | 10 d | 11 h | Busy | 1 |
| JunJune | 89 | A | 25°C | 8 d | 12 h | Peak | 2 |
| JulJuly | 77 | B | 28°C | 9 d | 12 h | Peak | 2 |
| AugAugust | 82 | A | 27°C | 9 d | 11 h | Peak | 2 |
| SepSeptember | 92 | S | 24°C | 7 d | 10 h | Peak | 2 |
| OctOctober | 73 | B | 17°C | 11 d | 7 h | Shoulder | 2 |
| NovNovember | 59 | D | 9°C | 10 d | 6 h | Busy | 3 |
| DecDecember | 43 | F | 4°C | 11 d | 4 h | Peak | 1 |
What's on in Niagara Falls through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Niagara Falls in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsSummer peak, Summer break in Canada(estimated)
Peak crowdsBusyShoulder seasonQuiet