Niagara Falls in Summer
In summer (June, July and August), Niagara Falls sees average daytime highs around 76°F and overnight lows near 64°F, with 11.3 in of rain over about 36 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 70°F in early June to 75°F by late August. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels humid.
Summer is Niagara Falls's best season of the year to visit on our travel score. For the whole year in context, see Niagara Falls's year-round climate.
- Avg daytime high
- 76°F
- warmest season of the year
- Avg overnight low
- 64°F
- Rainfall
- 11.3 in
- 36 wet days
- Avg wind
- 8 mph
- Travel score
- 6.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Niagara Falls in Summer
Over the season highs climb from about 70°F in early June to 75°F by late August.
A typical summer day in Niagara Falls reaches about 76°F and drops to 64°F overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Niagara Falls
Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Niagara Falls weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 31° / 21° | 2.9 | 12.5 | 10 | 9.2 | 0.0 |
| Feb | 32° / 21° | 2.3 | 10.2 | 7.9 | 10.2 | 0.0 |
| Mar | 40° / 28° | 2.9 | 11.4 | 5.6 | 11.6 | 0.2 |
| Apr | 51° / 39° | 3.7 | 12.2 | 1.9 | 13.1 | 2.5 |
| May | 64° / 50° | 3.4 | 12.4 | 0 | 14.4 | 5.2 |
| Jun | 73° / 61° | 3.9 | 12.3 | 0 | 15.1 | 6.5 |
| Jul | 78° / 66° | 4.0 | 12.6 | 0 | 14.9 | 6.5 |
| Aug | 76° / 65° | 3.4 | 11 | 0 | 13.8 | 6.8 |
| Sep | 70° / 58° | 3.4 | 10.4 | 0 | 12.3 | 6.5 |
| Oct | 58° / 47° | 3.7 | 12.6 | 0.1 | 10.8 | 4.0 |
| Nov | 46° / 37° | 3.1 | 11.8 | 3.1 | 9.5 | 1.3 |
| Dec | 37° / 28° | 3.1 | 12.8 | 7.4 | 8.9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Niagara Falls gets around 11.3 in of rain over 36 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 54 min in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.9 kWh/m².
Is summer a good time to visit Niagara Falls?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Niagara Falls for sightseeing.
What to pack for Niagara Falls in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Niagara Falls sees daytime highs around 76°F and nights near 64°F. Pack sun protection. Worth having: light clothes and rain gear. About 36 days see rain.
Sea temperature near Niagara Falls in Summer
The nearest coast averages about 69°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 mi away) is warmest in August at about 74°F and coldest in February near 34°F.
It's comfortable for a long swim from Jul 4 to Sep 20 — about 2.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 37 | 34 | 34 | 38 | 48 | 62 | 72 | 74 | 69 | 60 | 50 | 43 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 37 | Bracing |
| Feb | 34 | Bracing |
| Mar | 34 | Bracing |
| Apr | 38 | Bracing |
| May | 48 | Bracing |
| Jun | 62 | Cool |
| Jul | 72 | Refreshing |
| Aug | 74 | Refreshing |
| Sep | 69 | Refreshing |
| Oct | 60 | Cool |
| Nov | 50 | Bracing |
| Dec | 43 | Bracing |
UV index in Niagara Falls in Summer
Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Niagara Falls peaks around June 19 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 7 | Very high |
| Aug | 6 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Niagara Falls?
Niagara Falls sits at 43.1°N, 79.1°W, 614 ft above sea level, in United States. The nearest listed city is Niagara Falls, 0.6 mi away.
Topography around Niagara Falls
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Niagara Falls.
Within 2 miles, the terrain around Niagara Falls has only modest variations in elevation — a maximum elevation change of 427 ft around an average of 571 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 476 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,909 ft.
The land around Niagara Falls is covered by artificial surfaces (45%) within 2 miles, trees (35%) and grassland (27%) within 10 miles, and water (41%) and trees (28%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Niagara Falls (43.0945°, -79.0567°, elevation 614 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.