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Niagara Falls Weather in August
Niagara Falls in August sees high daytime temperatures of 26°C (79°F) and nighttime lows of 17°C (63°F). Rainfall is fairly high this month at around 67 mm (2.6 in), so pack a rain jacket to stay dry.
Rainfall in Niagara Falls in August
Records from the past 30 years suggest around 11 days of rain, with 67 mm (2.6 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Niagara Falls in August
Niagara Falls in August has excellent weather. Days reach 26°C (79°F) and nights cool to 17°C (63°F). Summer occurs in August. This kind of day-to-night contrast is typical for this time of year. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Niagara Falls in August
Enjoy a sunny month with about 268 hours of sunshine, the clear skies make Niagara Falls even more beautiful.If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.
Niagara Falls Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
37%
Precipitation
67 mm (2.6 in)
Rainy days
11 days
Humidity
72% *
Sunshine
268 hours *
Percentage Sunshine
62% *
* Data from: Buffalo, the United States of America (28 KM, 17 Miles).
Niagara Falls Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Niagara Falls - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Niagara Falls typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows typically ranging from 15°C (59°F) to 19°C (66°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Niagara Falls in August
Browse day-by-day weather records for Niagara Falls spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Niagara Falls historical weather extremes in August
According to our 50 years of weather records for Niagara Falls, the following extremes were recorded between 1976 and 2026.
- Niagara Falls recorded its highest August temperature of 35°C (95°F) on August 2, 1988.
- Niagara Falls experienced its chilliest August day on August 28, 1986, reaching only 16°C (61°F).
- The lowest overnight temperature recorded in August was 4°C (39°F) (August 29, 1982).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Niagara Falls in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Niagara Falls in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling8/10 -
Walking8/10 -
Camping8/10 -
Outdoor sports8/10
Niagara Falls 3-Day Forecast
More climate data for Niagara Falls
Temperature Rainfall Sunshine Humidity
See the full Niagara Falls climate overview or explore weather in Canada.
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