July is one of the warmer months of the year in Manhattan, with average highs near 32.8°C and lows around 21°C (mean 26.9°C). It is a relatively wet time of year, averaging 106 mm of rainfall and 64% relative humidity across the period.
July is one of the warmer months of the year in Manhattan. Across 45 years of records, the warmest July in Manhattan was 2012 — when the month averaged 31.5°C — while the coldest was 2004 at 24°C. Typical July days reach 32.8°C with nights near 21°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Manhattan, averaging 106 mm of rainfall. The wettest July on record was 1993 with 362 mm, while the driest was 1983 at 15 mm.
Relative humidity in Manhattan during July averages 64%. The most humid July was 1993 at 85%, and the least humid was 2012 at 41%.
July receives about 6.5 kWh/m²/day of solar energy in Manhattan. The sunniest July was 2003 at 7.2 kWh/m²/day, and the cloudiest was 1993 at 5.5.
Average wind speed in Manhattan during July is 3 m/s. The windiest Julys were 1983 and 1987 at 3.8 m/s, while the calmest was 2018 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.7°C | 26.2°C | 27.0°C | 27.6°C | 27.3°C | +0.6°C |
| Avg High | 32.9°C | 31.8°C | 33.1°C | 33.5°C | 33.1°C | +0.2°C |
| Avg Low | 20.6°C | 20.5°C | 20.9°C | 21.7°C | 21.5°C | +0.9°C |
| Avg Rain | 74 mm | 149 mm | 94 mm | 96 mm | 117 mm | +43 mm |
July temperatures in Manhattan have risen by about 0.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 11.8°C (1995) to a record high of 44.4°C (2011).
Rainfall in July is a relatively wet time of year, averaging 106 mm, with a wettest year of 362 mm.
A good time to visit Manhattan
July is a good time to visit Manhattan, with days averaging 32.8°C and nights around 21°C (mean 26.9°C, warmer than Manhattan's yearly average) and higher rainfall. September and June are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 33.7°C | 28.2°C | 22.7°C | 38.1°C | 18.7°C | 106 mm | 67% | 2.9 m/s | 6.3 |
| 2024 | 33.8°C | 27.3°C | 20.8°C | 41.1°C | 16.2°C | 83 mm | 58% | 2.7 m/s | 6.5 |
| 2023 | 34.5°C | 27.9°C | 21.2°C | 42.6°C | 15.7°C | 84 mm | 59% | 2.5 m/s | 6.2 |
| 2022 | 33.2°C | 27.4°C | 21.5°C | 40.7°C | 16.3°C | 115 mm | 64% | 2.7 m/s | 6.2 |
| 2021 | 32.4°C | 26.6°C | 20.8°C | 38.6°C | 15.6°C | 98 mm | 66% | 2.7 m/s | 6.5 |
| 2020 | 31.1°C | 26.5°C | 21.9°C | 34.8°C | 16.5°C | 216 mm | 76% | 2.6 m/s | 6.3 |
| 2019 | 29.4°C | 25.0°C | 20.5°C | 33.2°C | 14.5°C | 78 mm | 81% | 2.9 m/s | 6.9 |
| 2018 | 33.8°C | 27.8°C | 21.7°C | 39.1°C | 15.2°C | 98 mm | 58% | 2.1 m/s | 6.6 |
| 2017 | 34.8°C | 28.4°C | 22.0°C | 41.4°C | 15.4°C | 54 mm | 57% | 2.9 m/s | 6.8 |
| 2016 | 32.1°C | 27.1°C | 22.0°C | 38.9°C | 17.2°C | 151 mm | 71% | 3 m/s | 6.2 |
| 2015 | 30.9°C | 25.9°C | 20.9°C | 37.8°C | 15.3°C | 124 mm | 75% | 2.6 m/s | 6.2 |
| 2014 | 32.2°C | 25.6°C | 19.0°C | 40.2°C | 11.8°C | 36 mm | 56% | 3 m/s | 7 |
| 2013 | 33.1°C | 26.8°C | 20.6°C | 41.7°C | 14.4°C | 145 mm | 57% | 3 m/s | 6 |
| 2012 🔥 | 38.8°C | 31.5°C | 24.2°C | 43.0°C | 18.4°C | 29 mm | 41% | 3 m/s | 7.1 |
| 2011 | 38.0°C | 31.3°C | 24.6°C | 44.4°C | 18.6°C | 87 mm | 51% | 2.8 m/s | 7 |
| 2010 | 31.4°C | 26.6°C | 21.9°C | 36.2°C | 16.4°C | 162 mm | 76% | 2.9 m/s | 6.2 |
| 2009 | 30.0°C | 24.4°C | 18.7°C | 35.6°C | 14.2°C | 144 mm | 67% | 2.7 m/s | 6.3 |
| 2008 | 31.9°C | 26.0°C | 20.2°C | 37.1°C | 14.0°C | 100 mm | 71% | 3.2 m/s | 6.2 |
| 2007 | 30.2°C | 25.3°C | 20.5°C | 34.3°C | 16.0°C | 100 mm | 75% | 2.5 m/s | 6.2 |
| 2006 | 35.0°C | 28.6°C | 22.2°C | 42.8°C | 15.2°C | 71 mm | 53% | 3.2 m/s | 6.8 |
| 2005 | 32.2°C | 26.0°C | 19.8°C | 38.7°C | 12.2°C | 85 mm | 63% | 3.1 m/s | 7 |
| 2004 ❄️ | 29.0°C | 24.0°C | 19.1°C | 36.2°C | 12.9°C | 187 mm | 76% | 2.8 m/s | 6 |
| 2003 | 36.4°C | 29.1°C | 21.7°C | 41.2°C | 16.5°C | 22 mm | 48% | 3.5 m/s | 7.2 |
| 2002 | 35.6°C | 29.0°C | 22.4°C | 42.2°C | 18.1°C | 46 mm | 52% | 3.2 m/s | 6.6 |
| 2001 | 36.2°C | 29.7°C | 23.3°C | 42.1°C | 17.5°C | 104 mm | 57% | 3.3 m/s | 6.5 |
| 2000 | 34.1°C | 27.6°C | 21.1°C | 40.8°C | 17.2°C | 78 mm | 59% | 3 m/s | 6.6 |
| 1999 | 31.6°C | 26.4°C | 21.1°C | 38.5°C | 14.8°C | 64 mm | 74% | 3.6 m/s | 6.6 |
| 1998 | 32.4°C | 27.3°C | 22.1°C | 40.0°C | 17.2°C | 210 mm | 69% | 2.6 m/s | 5.7 |
| 1997 | 32.9°C | 26.8°C | 20.7°C | 39.3°C | 12.6°C | 102 mm | 63% | 3.2 m/s | 6.9 |
| 1996 | 32.8°C | 26.5°C | 20.3°C | 39.2°C | 15.0°C | 90 mm | 59% | 2.7 m/s | 6.3 |
| 1995 | 30.1°C | 24.9°C | 19.7°C | 35.7°C | 11.8°C | 93 mm | 79% | 2.5 m/s | 6.7 |
| 1994 | 30.8°C | 24.9°C | 19.1°C | 35.0°C | 13.4°C | 144 mm | 64% | 2.7 m/s | 6.6 |
| 1993 🌧️ | 29.1°C | 25.0°C | 20.9°C | 33.1°C | 16.4°C | 362 mm | 85% | 3.2 m/s | 5.5 |
| 1992 | 29.6°C | 24.4°C | 19.2°C | 36.2°C | 14.2°C | 271 mm | 75% | 2.8 m/s | 5.7 |
| 1991 | 35.9°C | 28.7°C | 21.5°C | 41.6°C | 15.7°C | 46 mm | 47% | 3.2 m/s | 6.9 |
| 1990 | 32.8°C | 26.8°C | 20.7°C | 42.1°C | 12.6°C | 113 mm | 57% | 3.6 m/s | 6.4 |
| 1989 | 32.2°C | 26.3°C | 20.5°C | 37.3°C | 15.7°C | 78 mm | 61% | 2.8 m/s | 6.5 |
| 1988 | 33.7°C | 27.2°C | 20.8°C | 39.7°C | 15.1°C | 74 mm | 56% | 3 m/s | 6.3 |
| 1987 | 32.6°C | 26.6°C | 20.7°C | 39.3°C | 12.3°C | 56 mm | 65% | 3.8 m/s | 6.8 |
| 1986 | 33.0°C | 26.9°C | 20.9°C | 42.5°C | 16.7°C | 118 mm | 66% | 3.5 m/s | 6.8 |
| 1985 | 33.9°C | 27.1°C | 20.2°C | 40.2°C | 15.8°C | 56 mm | 56% | 3 m/s | 6.5 |
| 1984 | 32.3°C | 25.8°C | 19.2°C | 37.8°C | 14.3°C | 19 mm | 58% | 3.1 m/s | 6.9 |
| 1983 | 35.3°C | 28.5°C | 21.7°C | 41.1°C | 16.1°C | 15 mm | 53% | 3.8 m/s | — |
| 1982 | 30.9°C | 25.6°C | 20.4°C | 34.5°C | 15.1°C | 92 mm | 74% | 3.2 m/s | — |
| 1981 | 31.9°C | 26.6°C | 21.3°C | 38.0°C | 15.0°C | 159 mm | 71% | 3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 32.8°C with lows near 21°C (mean 26.9°C), based on 45 years of NASA POWER data.
July averages 106 mm of rainfall in Manhattan, a relatively wet time of year. The wettest on record was 362 mm in 1993.
The hottest July reached 44.4°C in 2011. The coldest dipped to 11.8°C in 1995.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.8°C. Daytime highs moved from 32.9°C to 33.5°C and overnight lows from 20.6°C to 21.4°C over the same span.
July is one of the warmer months of the year in Manhattan and a relatively wet time of year, so plan for around 32.8°C daytime highs and 21°C at night.
Not quite — July is the 12th coolest month in Manhattan, averaging 26.9°C.
For July in Manhattan, pack light, breathable clothing and sun protection, with typical highs of 32.8°C and lows of 21°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 64% — moderately humid.
Average wind speed in July is 3 m/s. The windiest July on record averaged 3.8 m/s (1983).
The wettest July on record was 1993 with 362 mm. On average, July sees 106 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 Manhattan 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.
