Niagara Falls in August
In August, Niagara Falls averages 26°C (78°F) during the day and 18°C (64°F) at night, with frequent rain — about 19 days of the month see precipitation (86 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
August offers comfortable temperatures in Niagara Falls, with some rain to plan around.
How August compares to the rest of the year in Niagara Falls
August is one of the warmest months in Niagara Falls (2nd of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 12°C above the annual average (14°C). August runs 1°C cooler than July (27°C) and cools 3°C in September (22°C).
August sunrise & sunset in Niagara Falls
Times shown for Niagara Falls local time (America/Toronto), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Niagara Falls — August
Golden-hour and blue-hour windows for the 15th of August, in Niagara Falls's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Niagara Falls in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Niagara Falls's popularity.
Crowds & pricing — August in Niagara Falls
This is a busy month in Niagara Falls — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: comfortable tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Niagara Falls
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Niagara Falls in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -7°C / 20°F | 72 mm | 21 | — |
| February | 1°C / 34°F | -7°C / 19°F | 80 mm | 19 | — |
| March | 6°C / 42°F | -3°C / 27°F | 78 mm | 18 | — |
| April | 13°C / 55°F | 3°C / 37°F | 103 mm | 19 | — |
| May | 20°C / 67°F | 9°C / 49°F | 76 mm | 17 | — |
| June | 24°C / 76°F | 15°C / 59°F | 100 mm | 17 | — |
| July | 27°C / 80°F | 18°C / 65°F | 104 mm | 21 | — |
| August | 26°C / 78°F | 18°C / 64°F | 86 mm | 19 | — |
| September | 22°C / 72°F | 15°C / 58°F | 81 mm | 16 | — |
| October | 15°C / 60°F | 9°C / 47°F | 106 mm | 20 | — |
| November | 8°C / 47°F | 2°C / 35°F | 77 mm | 19 | — |
| December | 4°C / 39°F | -2°C / 29°F | 78 mm | 19 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Niagara Falls in August →
Frequently asked questions
How hot is Niagara Falls in August?
In August, Niagara Falls averages a high of 26°C (78°F) and a low of 18°C (64°F) — generally warm.
Does it rain a lot in Niagara Falls in August?
August is quite rainy in Niagara Falls, with about 19 rainy days on average.
Is August a good time to visit Niagara Falls?
August is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Niagara Falls in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Niagara Falls for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.