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Best time to visit · Ontario, Canada
On the climate data, the best time to visit Niagara Falls & Niagara-on-the-Lake is May – September, scoring up to 85/100 with highs around 80°F (26°C) and 2.8 in (71 mm) of rain in August. October is a good shoulder-season month. The toughest months are December – February, mainly because of cool days.
Highs run from 32°F to 80°F across the year, and the yearly total is about 34.3 in (871 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 32°F0°C | 33°F0°C | 40°F5°C | 51°F11°C | 64°F18°C | 74°F23°C | 80°F27°C | 80°F26°C | 73°F23°C | 60°F15°C | 48°F9°C | 37°F3°C |
| Avg low | 22°F-5°C | 22°F-6°C | 28°F-2°C | 36°F2°C | 48°F9°C | 59°F15°C | 66°F19°C | 65°F19°C | 59°F15°C | 48°F9°C | 37°F3°C | 29°F-2°C |
| Rain/snow | 2.3 in59 mm | 2.0 in51 mm | 2.3 in58 mm | 3.0 in75 mm | 3.2 in81 mm | 3.1 in80 mm | 3.4 in86 mm | 2.8 in71 mm | 3.2 in81 mm | 3.5 in89 mm | 2.8 in70 mm | 2.8 in70 mm |
| Humidity | 86% | 85% | 82% | 79% | 78% | 75% | 71% | 71% | 73% | 78% | 81% | 85% |
| Cloud | 81% | 79% | 74% | 75% | 74% | 68% | 64% | 62% | 60% | 74% | 75% | 81% |
| Comfort | 41 | 42 | 43 | 59 | 79 | 79 | 82 | 85 | 83 | 71 | 54 | 39 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 163 m (535 ft), close to Niagara Falls & Niagara-on-the-Lake's own ~101 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 32–37°F (0–3°C) and lows down to 22°F (-6°C). It's the driest season, with only about 7.1 in (180 mm) of rain or snow, 21% of the year's total. January & February are cold enough for snow. Comfort scores bottom out in December – February; the season averages 41/100.
Temperatures climb through the season, from 40°F highs in March to 64°F by May. About 8.4 in (214 mm) of rain or snow falls across these months, 25% of the year's total. March is cold enough for snow. Comfort peaks here: May ranks with the year's best, and the season averages 60/100.
Peak warmth: highs of 74–80°F (23–27°C). About 9.3 in (237 mm) of rain falls across these months, 27% of the year's total. Lows bottom out around 59°F (15°C). June – August are among the best-scoring months (season average 82/100).
Temperatures slide from 73°F highs in September to 48°F by November. It's the wettest season, with about 9.4 in (240 mm) of rain, 28% of the year's total. Lows bottom out around 37°F (3°C). Comfort peaks here: September ranks with the year's best, and the season averages 69/100.
By comfort score: 5 Great, 1 Good, 2 Fair and 4 Tough. Great months: May – September. Tap a month for its own guide.
On the climate data, the best time to visit Niagara Falls & Niagara-on-the-Lake is May – September, scoring up to 85/100 with highs around 80°F (26°C) and 2.8 in (71 mm) of rain in August. October is a good shoulder-season month. The toughest months are December – February, mainly because of cool days.
October is the wettest month, averaging about 3.5 in (89 mm) of rain. February is the driest, with about 2.0 in (51 mm). The yearly total is around 34.3 in (871 mm).
February is the coldest, with average lows of 22°F (-6°C) and highs of 33°F (0°C). The warmest is July, with average highs of 80°F (27°C).
Not very: summer (June – August) humidity averages 72%, and highs peak around 80°F (27°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in December – March, bottoming out around 22°F (-6°C) in February.
Poll the group on May – September dates, then plan the days, packing and costs together.
