Niagara Falls, NY weather in August
August in Niagara Falls: mild, with frequent rain. Highs 79°F, lows 62°F, about 10 wet days. This is the peak of the warm season in Niagara Falls. A good month for most outdoor plans.
- Normal high
- 79°F
- Normal low
- 62°F
- Wet days
- 10
- 2.8 in total
- Muggy days
- 7
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 80°F | 77°F |
| Normal low | 63°F | 59°F |
| Chance of a wet day | 36% | 32% |
| Sunrise / sunset | 6:07 am / 8:38 pm | 6:39 am / 7:53 pm |
| Daylight | 14.5 h | 13.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical August day
- 6 am63°Fdew point 59°F
- 9 am72°Fdew point 62°F
- Noon77°Fdew point 60°F
- 3 pm78°Fdew point 60°F
- 6 pm75°Fdew point 60°F
- 9 pm68°Fdew point 61°F
NOAA hourly normals (local standard time) from Niagara Falls Intl Airport (6 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F11 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more7 of 31
- Wet daysat least 0.01 in of rain or melted snow10 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 2.8 in; a dry August brings about 2.1 in and a wet one about 3.5 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How August varies from year to year
- Warmest August, 1991-20202016: average high 85°F
- Coolest August1992: average high 75°F
- Wettest August2009: 5.1 in
- Driest August2002: 0.6 in
- Highest reading96°F (August 4, 2012)
- Lowest reading46°F (August 21, 2000)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 80°F | 79°F | 72°F |
| Normal low | 63°F | 62°F | 55°F |
| Wet days | 11 | 10 | 10 |
| Comfortable days | 9 | 11 | 16 |
| Daylight | 15.0 h | 13.9 h | 12.5 h |
Highs change by -1°F from July and -7°F into September.
Nearby alternatives in August
- Warmer: Toledo, OH250 mi · high 84°F · 9 wet days
How Niagara Falls ranks in August
- Normal high321st warmest of 378 cities; 9th of 10 in New York
- Wet days286th driest of 378
- Comfortable days57th most of 341
What to pack for Niagara Falls in August
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
August has 13 heating degree days and 178 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Niagara Falls in August?
The normal high is 79°F and the normal low is 62°F. From 1991 to 2020 the hottest August reading was 96°F (August 4, 2012).
Does it rain a lot in Niagara Falls in August?
About 10 days in August have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest August in 1991-2020 was in 2009 (5.1 in); the driest was in 2002 (0.6 in).
Is August a good time to visit Niagara Falls?
August ranks 4th of 12 months on our comfort score for Niagara Falls (66 out of 100). It has about 11 comfortable days and about 1 day at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature: Buffalo (USW00014733), 19 mi ESE of the city center, 693 ft (78 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Rain, snowfall, snow depth and frost dates: Niagara Falls (USC00305840), 4.3 mi E of the city center, 588 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Niagara Falls Intl Airport (USW00004724), 5.7 mi E of the city center, 585 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Niagara Falls Intl Airport (725287-04724), 6.1 mi E of the city center, 585 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).