July is one of the warmer months of the year in Staten Island, with average highs near 29.3°C and lows around 19°C (mean 24.2°C). It is a relatively wet time of year, averaging 120 mm of rainfall and 73% relative humidity across the period.
July is one of the warmer months of the year in Staten Island. Across 45 years of records, the warmest July in Staten Island was 1999 — when the month averaged 26.9°C — while the coldest was 1984 at 21.2°C. Typical July days reach 29.3°C with nights near 19°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Staten Island, averaging 120 mm of rainfall. The wettest July on record was 1984 with 200 mm, while the driest was 1999 at 25 mm.
Relative humidity in Staten Island during July averages 73%. The most humid July was 1984 at 84%, and the least humid was 1999 at 55%.
July receives about 5.9 kWh/m²/day of solar energy in Staten Island. The sunniest July was 1997 at 6.5 kWh/m²/day, and the cloudiest was 1990 at 5.2.
Average wind speed in Staten Island during July is 1 m/s. The windiest Julys were 1981, 1990 and 2014 at 1.2 m/s, while the calmest were 2019, 2023 and 2025, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 23.2°C | 24.0°C | 23.6°C | 24.8°C | 25.6°C | +2.4°C |
| Avg High | 28.5°C | 29.3°C | 28.7°C | 29.8°C | 30.4°C | +1.9°C |
| Avg Low | 18.0°C | 18.7°C | 18.5°C | 19.8°C | 20.7°C | +2.7°C |
| Avg Rain | 137 mm | 105 mm | 110 mm | 124 mm | 132 mm | -4 mm |
July temperatures in Staten Island have risen by about 2.5°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 9.2°C (1982) to a record high of 38.9°C (1999).
Rainfall in July is a relatively wet time of year, averaging 120 mm, with a wettest year of 200 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.7°C per decade, narrowing the gap between day and night.
One of the best times to visit Staten Island
July is one of the best times to visit Staten Island. Expect days averaging 29.3°C and nights around 19°C (mean 24.2°C) — warmer than Staten Island's yearly average — with higher rainfall (120 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 | 30.9°C | 25.9°C | 21.0°C | 37.4°C | 16.0°C | 140 mm | 75% | 0.9 m/s | 6.1 |
| 2024 | 30.8°C | 25.9°C | 21.0°C | 34.7°C | 15.8°C | 88 mm | 75% | 1 m/s | 5.9 |
| 2023 | 29.7°C | 25.0°C | 20.3°C | 33.2°C | 16.4°C | 167 mm | 80% | 0.9 m/s | 5.8 |
| 2022 | 31.6°C | 26.2°C | 20.8°C | 36.7°C | 15.7°C | 51 mm | 66% | 1.1 m/s | 6.2 |
| 2021 | 28.7°C | 24.2°C | 19.6°C | 32.5°C | 12.7°C | 198 mm | 79% | 1 m/s | 5.6 |
| 2020 | 30.9°C | 26.1°C | 21.2°C | 34.2°C | 18.5°C | 149 mm | 75% | 1 m/s | 6.2 |
| 2019 | 29.4°C | 24.9°C | 20.3°C | 32.8°C | 15.9°C | 159 mm | 80% | 0.9 m/s | 6.4 |
| 2018 | 29.1°C | 24.3°C | 19.5°C | 36.4°C | 14.5°C | 161 mm | 76% | 1.1 m/s | 6.2 |
| 2017 | 28.5°C | 23.9°C | 19.3°C | 33.5°C | 14.3°C | 147 mm | 77% | 1 m/s | 5.7 |
| 2016 | 30.9°C | 25.5°C | 20.1°C | 35.2°C | 15.2°C | 170 mm | 70% | 1.1 m/s | 6.1 |
| 2015 | 29.2°C | 24.2°C | 19.1°C | 34.1°C | 14.6°C | 82 mm | 74% | 1 m/s | 6 |
| 2014 | 28.0°C | 23.2°C | 18.3°C | 31.1°C | 13.7°C | 137 mm | 76% | 1.2 m/s | 6.2 |
| 2013 | 28.7°C | 24.7°C | 20.6°C | 35.2°C | 15.5°C | 116 mm | 82% | 1.1 m/s | 5.7 |
| 2012 | 31.4°C | 26.1°C | 20.7°C | 36.8°C | 17.5°C | 88 mm | 66% | 1 m/s | 5.9 |
| 2011 | 31.3°C | 25.7°C | 20.2°C | 38.0°C | 14.3°C | 91 mm | 69% | 1 m/s | 6.4 |
| 2010 | 31.7°C | 25.9°C | 20.1°C | 38.7°C | 13.4°C | 90 mm | 66% | 1 m/s | 6.3 |
| 2009 | 26.4°C | 21.8°C | 17.1°C | 29.8°C | 13.1°C | 140 mm | 80% | 1.1 m/s | 6 |
| 2008 | 30.3°C | 24.9°C | 19.6°C | 35.5°C | 16.4°C | 104 mm | 70% | 1 m/s | 6 |
| 2007 | 27.8°C | 22.9°C | 17.9°C | 33.0°C | 11.2°C | 146 mm | 76% | 1 m/s | 6 |
| 2006 | 29.4°C | 24.7°C | 20.0°C | 36.0°C | 14.9°C | 111 mm | 78% | 1 m/s | 5.9 |
| 2005 | 30.3°C | 25.0°C | 19.8°C | 36.3°C | 15.7°C | 88 mm | 72% | 1 m/s | 5.8 |
| 2004 | 28.0°C | 23.3°C | 18.6°C | 31.6°C | 16.1°C | 171 mm | 77% | 1.1 m/s | 5.4 |
| 2003 | 27.6°C | 23.2°C | 18.7°C | 30.5°C | 15.3°C | 79 mm | 80% | 1.1 m/s | 5.8 |
| 2002 | 31.8°C | 25.6°C | 19.4°C | 36.8°C | 14.0°C | 35 mm | 59% | 1 m/s | 6.3 |
| 2001 | 28.1°C | 22.3°C | 16.6°C | 35.2°C | 12.1°C | 70 mm | 65% | 1.1 m/s | 6.4 |
| 2000 | 27.3°C | 22.1°C | 17.0°C | 31.6°C | 13.0°C | 154 mm | 71% | 1.1 m/s | 5.4 |
| 1999 🔥 | 33.2°C | 26.9°C | 20.5°C | 38.9°C | 15.2°C | 25 mm | 55% | 1.1 m/s | 6.1 |
| 1998 | 28.3°C | 23.1°C | 17.9°C | 32.3°C | 13.5°C | 44 mm | 74% | 1 m/s | 5.9 |
| 1997 | 29.4°C | 23.4°C | 17.3°C | 36.4°C | 13.1°C | 145 mm | 66% | 1.1 m/s | 6.5 |
| 1996 | 26.1°C | 21.6°C | 17.2°C | 29.5°C | 12.8°C | 185 mm | 82% | 1.1 m/s | 5.3 |
| 1995 | 30.4°C | 25.0°C | 19.5°C | 36.0°C | 12.6°C | 109 mm | 69% | 1.1 m/s | 5.5 |
| 1994 | 29.6°C | 24.9°C | 20.1°C | 33.3°C | 15.6°C | 111 mm | 77% | 1 m/s | 5.7 |
| 1993 | 30.7°C | 25.0°C | 19.3°C | 36.3°C | 14.9°C | 74 mm | 64% | 1.1 m/s | 6.2 |
| 1992 | 27.8°C | 22.7°C | 17.7°C | 32.2°C | 13.6°C | 140 mm | 74% | 1.1 m/s | 6 |
| 1991 | 29.4°C | 24.2°C | 18.9°C | 35.9°C | 15.8°C | 116 mm | 69% | 1.1 m/s | 5.6 |
| 1990 | 27.7°C | 23.0°C | 18.3°C | 31.1°C | 13.7°C | 97 mm | 78% | 1.2 m/s | 5.2 |
| 1989 | 26.5°C | 22.1°C | 17.7°C | 30.3°C | 14.0°C | 160 mm | 83% | 1 m/s | 5.3 |
| 1988 | 30.6°C | 25.0°C | 19.3°C | 36.3°C | 9.8°C | 173 mm | 70% | 1.1 m/s | 5.6 |
| 1987 | 28.7°C | 23.8°C | 18.9°C | 33.2°C | 13.1°C | 156 mm | 79% | 0.9 m/s | 6 |
| 1986 | 29.2°C | 23.8°C | 18.3°C | 34.9°C | 10.5°C | 158 mm | 72% | 1 m/s | 5.6 |
| 1985 | 29.2°C | 23.5°C | 17.8°C | 32.3°C | 13.3°C | 115 mm | 70% | 1.1 m/s | 5.9 |
| 1984 ❄️ 🌧️ | 25.6°C | 21.2°C | 16.9°C | 29.1°C | 11.1°C | 200 mm | 84% | 1.1 m/s | 5.5 |
| 1983 | 28.8°C | 23.2°C | 17.6°C | 32.7°C | 11.5°C | 63 mm | 75% | 1 m/s | — |
| 1982 | 28.4°C | 22.8°C | 17.1°C | 33.1°C | 9.2°C | 93 mm | 74% | 1 m/s | — |
| 1981 | 29.4°C | 23.7°C | 18.0°C | 33.9°C | 13.5°C | 110 mm | 67% | 1.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 29.3°C with lows near 19°C (mean 24.2°C), based on 45 years of NASA POWER data.
July averages 120 mm of rainfall in Staten Island, a relatively wet time of year. The wettest on record was 200 mm in 1984.
The hottest July reached 38.9°C in 1999. The coldest dipped to 9.2°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.5°C. Daytime highs moved from 28.3°C to 30.3°C and overnight lows from 17.5°C to 20.5°C over the same span.
July is one of the warmer months of the year in Staten Island and a relatively wet time of year, so plan for around 29.3°C daytime highs and 19°C at night.
Not quite — July is the 12th coolest month in Staten Island, averaging 24.2°C.
For July in Staten Island, pack light layers you can adjust through the day, with typical highs of 29.3°C and lows of 19°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 73% — moderately humid.
Average wind speed in July is 1 m/s. The windiest July on record averaged 1.2 m/s (1981).
The wettest July on record was 1984 with 200 mm. On average, July sees 120 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 Staten Island 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.
