Niagara Falls weather in August: Niagara Falls, New York: normal highs, lows, rain and records for August
Niagara Falls in August has a normal high of 79°F and a normal low of 60°F, a daily mean of 69°F, falling from 81°F on the 1st to 77°F by the 31st. Measurable precipitation falls on 11 days in a normal August, 2.62 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 15°C, 67 mm of precipitation in August.
- NOAA stationNiagara Falls International Airport
- Station IDUSW00004724
- Location43.11°N 78.95°W
- Elevation585 ft (178 m)
- From the center4 miles
- Population47,512
- Jan 32° 17°
- Feb 33° 17°
- Mar 41° 25°
- Apr 55° 34°
- May 68° 46°
- Jun 76° 56°
- Jul 81° 61°
- Aug 79° 60°
- Sep 73° 52°
- Oct 60° 42°
- Nov 47° 32°
- Dec 37° 24°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Niagara Falls in August?
The normal high is 79°F and the normal low 60°F, for a daily mean of 69.4°F. August is 1.6°F cooler than July and 7.1°F warmer than September. August is the 2nd warmest month of the year in Niagara Falls and the 8th wettest. Across the month the normal high falls 4°F, from 81°F on August 1 to 77°F on August 31. From one year to the next August's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 67°F and 72°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 81°F | 61°F | 39% | 24% |
| August 8 | 80°F | 61°F | 38% | 23% |
| August 15 | 79°F | 60°F | 36% | 21% |
| August 22 | 79°F | 59°F | 34% | 20% |
| August 31 | 77°F | 57°F | 32% | 19% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 81°F | 61°F | 39% | 24% | 14 h 30 min |
| August 2 | 81°F | 61°F | 39% | 24% | 14 h 30 min |
| August 3 | 80°F | 61°F | 39% | 23% | 14 h 30 min |
| August 4 | 80°F | 61°F | 39% | 23% | 14 h 30 min |
| August 5 | 80°F | 61°F | 39% | 23% | 14 h 20 min |
| August 6 | 80°F | 61°F | 38% | 23% | 14 h 20 min |
| August 7 | 80°F | 61°F | 38% | 23% | 14 h 20 min |
| August 8 | 80°F | 61°F | 38% | 23% | 14 h 20 min |
| August 9 | 80°F | 61°F | 38% | 23% | 14 h 20 min |
| August 10 | 80°F | 61°F | 38% | 23% | 14 h 10 min |
| August 11 | 80°F | 61°F | 37% | 22% | 14 h 10 min |
| August 12 | 80°F | 60°F | 37% | 22% | 14 h 10 min |
| August 13 | 80°F | 60°F | 37% | 22% | 14 h 10 min |
| August 14 | 79°F | 60°F | 36% | 22% | 14 h |
| August 15 | 79°F | 60°F | 36% | 21% | 14 h |
| August 16 | 79°F | 60°F | 36% | 21% | 14 h |
| August 17 | 79°F | 60°F | 35% | 21% | 13 h 50 min |
| August 18 | 79°F | 60°F | 35% | 21% | 13 h 50 min |
| August 19 | 79°F | 59°F | 35% | 21% | 13 h 50 min |
| August 20 | 79°F | 59°F | 34% | 21% | 13 h 50 min |
| August 21 | 79°F | 59°F | 34% | 20% | 13 h 40 min |
| August 22 | 79°F | 59°F | 34% | 20% | 13 h 40 min |
| August 23 | 78°F | 59°F | 34% | 20% | 13 h 40 min |
| August 24 | 78°F | 59°F | 33% | 20% | 13 h 40 min |
| August 25 | 78°F | 58°F | 33% | 20% | 13 h 30 min |
| August 26 | 78°F | 58°F | 33% | 20% | 13 h 30 min |
| August 27 | 78°F | 58°F | 33% | 20% | 13 h 30 min |
| August 28 | 78°F | 58°F | 33% | 19% | 13 h 30 min |
| August 29 | 78°F | 58°F | 33% | 19% | 13 h 20 min |
| August 30 | 77°F | 57°F | 32% | 19% | 13 h 20 min |
| August 31 | 77°F | 57°F | 32% | 19% | 13 h 20 min |
- Normal high
- 79°FAugust average
- Normal low
- 60°FAugust average
- Precipitation
- 2.62 inmonth total
- Days with precipitation
- 110.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 17
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004724; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Niagara Falls in August?
On a given August day the chance of 0.01 inch or more is 36% on average, highest around August 1 (39%). In all, 2.62 in falls on 11 days of a normal August, 1 of them with an inch or more.
In a normal August in Niagara Falls, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004724.
How humid and windy is Niagara Falls in August?
At 3 p.m. the normal temperature is 77°F with 54% relative humidity and a dew point of 59°F; at 6 a.m. it is 61°F with 89% humidity. The wind averages 7.8 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 58°F | 89% | 5.5 mph | 53% |
| 9 a.m. | 70°F | 60°F | 71% | 9.1 mph | 37% |
| noon | 75°F | 59°F | 57% | 10.4 mph | 29% |
| 3 p.m. | 77°F | 59°F | 54% | 11.1 mph | 38% |
| 6 p.m. | 73°F | 59°F | 60% | 9.3 mph | 43% |
| 9 p.m. | 66°F | 59°F | 77% | 6.4 mph | 55% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00004724. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Niagara Falls?
The warmest August temperature on this station's record (since 1951) is 95°F, on August 4, 2012; the coldest is 45°F, on August 6, 1951. The wettest August brought 8.96 in (1954).
The August mean against the 1991-2020 normal of 69.4°F: 2021 75.6°F (+6.2), 2022 73.7°F (+4.3), 2023 69.3°F (−0.1), 2024 71.7°F (+2.3), 2026 70.3°F (+0.9). 4 of 5 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.6°F | +6.2°F | 2.15 in |
| 2022 | 73.7°F | +4.3°F | 2.43 in |
| 2023 | 69.3°F | −0.1°F | 2.02 in |
| 2024 | 71.7°F | +2.3°F | 2.56 in |
| 2026 | 70.3°F | +0.9°F | – |
Source: records: ACIS, station USW00004724; recent months: ACIS, station USW00004724. Records and recent months use complete months only.
How does August in Niagara Falls compare across New York?
Across the 131 places PlainClimate covers in New York, August normal highs run from 71°F in Cooperstown to 85°F in Mineola; Niagara Falls's is 79°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Niagara Falls in July81°F by day, 61°F at night
- Niagara Falls in September73°F by day, 52°F at night
- Niagara Falls through the yearEvery month, frost dates, records and recent years
- New York in AugustThe statewide normal and the warmest and coolest places
- Mineola: New York's warmest Augustnormal high 85°F