July is one of the warmer months of the year in Niagara Falls, with average highs near 26.8°C and lows around 16.9°C (mean 21.9°C). It is a relatively wet time of year, averaging 89 mm of rainfall and 70% relative humidity across the period.
July is one of the warmer months of the year in Niagara Falls. Across 45 years of records, the warmest July in Niagara Falls was 2020 — when the month averaged 24.8°C — while the coldest was 1992 at 18.3°C. Typical July days reach 26.8°C with nights near 16.9°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Niagara Falls, averaging 89 mm of rainfall. The wettest July on record was 1992 with 200 mm, while the driest was 1989 at 33 mm.
Relative humidity in Niagara Falls during July averages 70%. The most humid July was 2004 at 79%, and the least humid was 1988 at 62%.
July receives about 6 kWh/m²/day of solar energy in Niagara Falls. The sunniest Julys were 2011, 2018 and 2025, among others at 6.5 kWh/m²/day, and the cloudiest was 1984 at 5.1.
Average wind speed in Niagara Falls during July is 1.2 m/s. The windiest July was 2014 at 1.5 m/s, while the calmest was 1989 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.7°C | 20.9°C | 21.3°C | 22.8°C | 23.3°C | +1.6°C |
| Avg High | 26.8°C | 25.9°C | 26.1°C | 27.5°C | 28.2°C | +1.4°C |
| Avg Low | 16.6°C | 15.8°C | 16.5°C | 18.0°C | 18.4°C | +1.8°C |
| Avg Rain | 78 mm | 86 mm | 98 mm | 82 mm | 102 mm | +24 mm |
July temperatures in Niagara Falls have risen by about 1.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.6°C (2001) to a record high of 35.5°C (1988).
Rainfall in July is a relatively wet time of year, averaging 89 mm, with a wettest year of 200 mm.
One of the best times to visit Niagara Falls
July is one of the best times to visit Niagara Falls. Expect days averaging 26.8°C and nights around 16.9°C (mean 21.9°C) — warmer than Niagara Falls's yearly average — with higher rainfall (89 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 29.6°C | 24.3°C | 19.0°C | 33.9°C | 14.0°C | 48 mm | 66% | 1.2 m/s | 6.5 |
| 2024 | 28.5°C | 23.4°C | 18.3°C | 31.7°C | 12.5°C | 91 mm | 67% | 1.1 m/s | 6 |
| 2023 | 27.4°C | 22.7°C | 18.0°C | 32.0°C | 15.5°C | 135 mm | 71% | 1.2 m/s | 5.7 |
| 2022 | 28.0°C | 22.9°C | 17.8°C | 32.3°C | 13.8°C | 78 mm | 64% | 1.3 m/s | 6.1 |
| 2021 | 25.8°C | 21.5°C | 17.2°C | 30.4°C | 12.7°C | 162 mm | 76% | 1.3 m/s | 5.2 |
| 2020 🔥 | 29.7°C | 24.8°C | 19.9°C | 35.3°C | 16.7°C | 97 mm | 68% | 1.3 m/s | 6.4 |
| 2019 | 27.8°C | 23.3°C | 18.9°C | 31.1°C | 14.3°C | 76 mm | 74% | 1.2 m/s | 6.3 |
| 2018 | 28.8°C | 23.7°C | 18.6°C | 33.8°C | 14.6°C | 81 mm | 67% | 1.2 m/s | 6.5 |
| 2017 | 26.0°C | 21.5°C | 17.1°C | 29.5°C | 13.6°C | 100 mm | 77% | 1.2 m/s | 5.6 |
| 2016 | 29.0°C | 23.8°C | 18.7°C | 32.8°C | 13.3°C | 47 mm | 63% | 1.4 m/s | 6.2 |
| 2015 | 26.5°C | 21.6°C | 16.7°C | 33.0°C | 12.1°C | 67 mm | 69% | 1.1 m/s | 6.4 |
| 2014 | 24.6°C | 20.2°C | 15.8°C | 29.8°C | 11.8°C | 147 mm | 74% | 1.5 m/s | 5.8 |
| 2013 | 26.3°C | 22.2°C | 18.1°C | 32.2°C | 12.6°C | 97 mm | 77% | 1.2 m/s | 5.8 |
| 2012 | 29.4°C | 24.3°C | 19.2°C | 33.9°C | 16.5°C | 65 mm | 63% | 1.2 m/s | 6.2 |
| 2011 | 28.6°C | 23.6°C | 18.6°C | 33.9°C | 13.6°C | 46 mm | 68% | 1.2 m/s | 6.5 |
| 2010 | 28.2°C | 23.3°C | 18.4°C | 34.5°C | 10.8°C | 96 mm | 68% | 1.3 m/s | 6.2 |
| 2009 | 23.8°C | 19.5°C | 15.2°C | 27.6°C | 11.8°C | 115 mm | 75% | 1.3 m/s | 5.4 |
| 2008 | 26.4°C | 21.9°C | 17.4°C | 30.1°C | 12.1°C | 118 mm | 74% | 1.3 m/s | 5.9 |
| 2007 | 26.1°C | 21.2°C | 16.2°C | 32.1°C | 11.4°C | 84 mm | 66% | 1.2 m/s | 5.8 |
| 2006 | 27.6°C | 23.1°C | 18.6°C | 32.4°C | 12.8°C | 152 mm | 73% | 1.4 m/s | 5.8 |
| 2005 | 29.3°C | 24.0°C | 18.7°C | 35.3°C | 12.8°C | 76 mm | 66% | 1.2 m/s | 6.2 |
| 2004 | 24.7°C | 20.7°C | 16.6°C | 28.6°C | 13.3°C | 152 mm | 79% | 1.2 m/s | 5.2 |
| 2003 | 25.4°C | 20.3°C | 15.2°C | 29.4°C | 11.8°C | 106 mm | 73% | 1.3 m/s | 5.5 |
| 2002 | 27.6°C | 22.2°C | 16.7°C | 30.8°C | 12.1°C | 69 mm | 67% | 1.2 m/s | 6.5 |
| 2001 | 25.4°C | 20.1°C | 14.8°C | 31.0°C | 8.6°C | 36 mm | 62% | 1.3 m/s | 6.1 |
| 2000 | 24.5°C | 19.9°C | 15.4°C | 29.8°C | 12.0°C | 77 mm | 72% | 1.2 m/s | 5.7 |
| 1999 | 28.5°C | 23.0°C | 17.5°C | 32.4°C | 11.5°C | 56 mm | 63% | 1.4 m/s | 6.2 |
| 1998 | 26.0°C | 21.4°C | 16.8°C | 29.4°C | 13.6°C | 96 mm | 70% | 1.3 m/s | 6 |
| 1997 | 25.7°C | 20.7°C | 15.7°C | 30.4°C | 11.0°C | 59 mm | 69% | 1.3 m/s | 6.1 |
| 1996 | 24.2°C | 19.1°C | 14.0°C | 27.7°C | 10.2°C | 70 mm | 72% | 1.3 m/s | 6.2 |
| 1995 | 27.1°C | 21.9°C | 16.6°C | 32.1°C | 11.3°C | 78 mm | 70% | 1.2 m/s | 5.7 |
| 1994 | 26.3°C | 21.3°C | 16.2°C | 31.1°C | 11.0°C | 62 mm | 73% | 1.2 m/s | 5.9 |
| 1993 | 27.1°C | 21.7°C | 16.4°C | 32.7°C | 10.7°C | 78 mm | 69% | 1.2 m/s | 6.1 |
| 1992 ❄️ 🌧️ | 22.8°C | 18.3°C | 13.7°C | 27.6°C | 9.6°C | 200 mm | 78% | 1.3 m/s | 5.5 |
| 1991 | 26.5°C | 21.3°C | 16.1°C | 31.3°C | 11.9°C | 78 mm | 65% | 1.3 m/s | 6.2 |
| 1990 | 25.2°C | 20.3°C | 15.3°C | 30.5°C | 12.3°C | 83 mm | 71% | 1.2 m/s | 5.7 |
| 1989 | 26.1°C | 21.0°C | 15.9°C | 31.1°C | 11.4°C | 33 mm | 72% | 1 m/s | 6.4 |
| 1988 | 28.7°C | 22.8°C | 16.9°C | 35.5°C | 9.9°C | 112 mm | 62% | 1.1 m/s | 5.8 |
| 1987 | 27.7°C | 22.9°C | 18.0°C | 31.8°C | 11.6°C | 100 mm | 71% | 1.3 m/s | 6.1 |
| 1986 | 26.1°C | 21.4°C | 16.6°C | 30.1°C | 9.8°C | 116 mm | 73% | 1.2 m/s | 6 |
| 1985 | 25.8°C | 20.5°C | 15.3°C | 30.7°C | 11.3°C | 66 mm | 67% | 1.3 m/s | 6.3 |
| 1984 | 25.3°C | 20.3°C | 15.3°C | 29.3°C | 10.3°C | 47 mm | 71% | 1.3 m/s | 5.1 |
| 1983 | 28.1°C | 23.1°C | 18.0°C | 32.9°C | 11.4°C | 61 mm | 65% | 1.4 m/s | — |
| 1982 | 27.1°C | 21.8°C | 16.5°C | 31.9°C | 10.2°C | 55 mm | 66% | 1.2 m/s | — |
| 1981 | 26.6°C | 21.5°C | 16.5°C | 30.6°C | 12.0°C | 115 mm | 70% | 1.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 26.8°C with lows near 16.9°C (mean 21.9°C), based on 45 years of NASA POWER data.
July averages 89 mm of rainfall in Niagara Falls, a relatively wet time of year. The wettest on record was 200 mm in 1992.
The hottest July reached 35.5°C in 1988. The coldest dipped to 8.6°C in 2001.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.6°C. Daytime highs moved from 26.6°C to 27.9°C and overnight lows from 16.3°C to 18.1°C over the same span.
July is one of the warmer months of the year in Niagara Falls and a relatively wet time of year, so plan for around 26.8°C daytime highs and 16.9°C at night.
Not quite — July is the 12th coolest month in Niagara Falls, averaging 21.9°C.
For July in Niagara Falls, pack light layers you can adjust through the day, with typical highs of 26.8°C and lows of 16.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 70% — moderately humid.
Average wind speed in July is 1.2 m/s. The windiest July on record averaged 1.5 m/s (2014).
The wettest July on record was 1992 with 200 mm. On average, July sees 89 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Niagara Falls behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
