Best time to visit Niagara Falls
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme cold overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Niagara Falls
17 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Niagara Falls).
- 1
All Attractions Niagara Falls American Tour with Boat Much More - 2
All Inclusive Niagara Falls USA Tour W/Boat Ride,Cave & Much MORE - 3
Niagara Falls USA: Boat Ride, Cave, Light Show and Fireworks - 4
Niagara Falls Maid of the Mist and Cave of the Winds Tour - 5
Niagara Falls USA Night, Lights and Dinner - 6
Guided Kayak Tour on Niagara River from the US Side - 7
Lewiston New York Food Tour - 8
Devil's Hole to Whirlpool: 4 Hour Niagara River Trek - 9
Niagara Falls in 1 Day: Tour of American and Canadian Sides - 10
Best of Niagara Falls Canada Premium Tour: Behind Falls and Boat - 11
Niagara Falls Canadian Side Tour and Maid of the Mist Boat Ride Option - 12
American Side Express Tour With Maid of the Mist Boat Ride & Cave - 13
Best Niagara Falls US Tour W/Boat Ride, Cave & More Wonders! - 14
Niagara Falls USA: Maid of the Mist & Cave Adventure - 15
Niagara Falls Tour: Boat Cruise, Journey Behind Falls and Skylon - 16
Niagara Falls USA Scenic Tour from Buffalo and Niagara Falls NY - 17
4 Hours Private Tour in Niagara Falls USA
Last refreshed 2026-05-25.
Similar climatesToronto94% · Chicago92% · Ottawa92%
Other destinations with the most-alike year-round climate to Niagara Falls (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Niagara Falls's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | -5–1 | -3 | 12 | 166 | 13.8 | 71% | 20 | 83 | 1 | Quiet | 3 |
| Feb | -6–2 | -3 | 11 | 142 | 12.9 | 63% | 23 | 130 | 2 | Quiet | 4 |
| Mar | -1–8 | 4 | 12 | 132 | 11.0 | 59% | 23 | 169 | 3 | Quiet | 5 |
| Apr | 3–13 | 10 | 16 | 153 | 9.6 | 57% | 21 | 198 | 4 | Quiet | 5 |
| May | 10–20 | 18 | 11 | 100 | 9.1 | 56% | 18 | 255 | 6 | Quiet | 8 |
| Jun | 16–25 | 25 | 11 | 96 | 8.7 | 56% | 19 | 280 | 6 | Moderate | 9 |
| Jul | 19–27 | 28 | 13 | 132 | 10.2 | 60% | 17 | 288 | 7 | Busy | 7 |
| Aug | 18–26 | 27 | 13 | 120 | 9.2 | 61% | 17 | 265 | 6 | Peak | 8 |
| Sep | 15–23 | 22 | 10 | 108 | 10.8 | 61% | 18 | 221 | 5 | Moderate | 8 |
| Oct | 9–16 | 14 | 12 | 145 | 12.1 | 64% | 20 | 166 | 3 | Quiet | 6 |
| Nov | 3–10 | 6 | 11 | 114 | 10.4 | 64% | 22 | 137 | 2 | Quiet | 5 |
| Dec | -1–5 | 0 | 15 | 166 | 11.1 | 72% | 22 | 87 | 1 | Quiet | 3 |
UV Index in Niagara Falls by Month
UV index in Niagara Falls peaks at 7 (high) in July, dropping to 1 (low) in December. June, July have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
June
9/1016–25°C · 11 rain days (96h) · 280 sun hours · 56% humidity · Moderate crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)
September
8/1015–23°C · 10 rain days (108h) · 221 sun hours · 61% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)
May
8/1010–20°C (feels 18°C) · 11 rain days (100h) · 255 sun hours · 56% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
Every month
Show the other 9 months in detail
January
3/10-5–1°C (feels -3°C) · 12 rain days (166h) · 83 sun hours · 71% humidity · Quiet crowd · UV 1 (low)
February
4/10-6–2°C (feels -3°C) · 11 rain days (142h) · 130 sun hours · 63% humidity · Quiet crowd · UV 2 (low)
March
5/10-1–8°C (feels 4°C) · 12 rain days (132h) · 169 sun hours · 59% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
April
5/103–13°C (feels 10°C) · 16 rain days (153h) · 198 sun hours · 57% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (high)
July
7/1019–27°C (feels 28°C) · 13 rain days (132h) · 288 sun hours · 60% humidity · Busy crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)
August
8/1018–26°C · 13 rain days (120h) · 265 sun hours · 61% humidity · Peak crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
October
6/109–16°C (feels 14°C) · 12 rain days (145h) · 166 sun hours · 64% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
November
5/103–10°C (feels 6°C) · 11 rain days (114h) · 137 sun hours · 64% humidity · Quiet crowd · UV 2 (low)
December
3/10-1–5°C (feels 0°C) · 15 rain days (166h) · 87 sun hours · 72% humidity · Quiet crowd · UV 1 (low)
Frequently asked questions about visiting Niagara Falls
When is the best time to visit Niagara Falls?
June is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 16–25°C (11 rainy days). The top three months by score are June, September, May.
What is the worst time to visit Niagara Falls?
December is the lowest-scoring month (3/10). Typical conditions: -1–5°C (15 rainy days).
When are crowds lowest in Niagara Falls?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Niagara Falls have good weather but fewer tourists?
May (climate 8/10, crowd index 30) and September (climate 8/10, crowd index 48) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Niagara Falls by month?
UV peaks at 7 (high) in July and is lowest in December at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 3, Apr 4, May 6, Jun 6, Jul 7, Aug 6, Sep 5, Oct 3, Nov 2, Dec 1.
What is the UV index in Niagara Falls in July?
July is the peak UV month in Niagara Falls, with a daily-peak UV index of 7 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Niagara Falls on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 7 (high), but the top 10% of days reach UV 8 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, April, May, June, July, August, September, October. Plan sun protection for the worst case, not the average.
Is air quality in Niagara Falls bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 8 months: February, March, April, May, June, July, August, September. The worst month is June with a typical-day mean of 21 µg/m³ (unhealthy for sensitive); on the worst 10% of days PM2.5 reaches 40 µg/m³ (hazardous) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.