Niagara Falls weather in August
Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: May – September
What is the weather like in Niagara Falls in August?
In August, Niagara Falls is warm: daytime highs average 25 °C, and nights cool down to about 18 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 82 mm in total. All in all, August is a good month for a holiday in Niagara Falls.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 80 | 79 | 78 |
| Day | 26° | 25° | 22° |
| Night | 19° | 18° | 15° |
| Sun | 9 h | 8 h | 6 h |
| Rain days | 13 | 11 | 10 |
More details for August
- Daylight
- 14 h 0 min06:21 – 20:21
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 50 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/Toronto
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 30 %48 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Rain jacket or umbrella
Niagara Falls in August: quick answers
Is Niagara Falls hot in August?
Warm rather than hot: in August, daytime highs in Niagara Falls average 25 °C and nights cool to about 18 °C. On about 1 days the thermometer climbs to 30 °C or more.
Does it rain much in Niagara Falls in August?
Rain is frequent, with about 11 rainy days and 82 mm in total.
Niagara Falls month by month
The whole year in Niagara FallsAll destinations: CanadaWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences