August is one of the warmer months of the year in Staten Island, with average highs near 28.6°C and lows around 18.3°C (mean 23.5°C). It is about average for rainfall, averaging 109 mm of rainfall and 73% relative humidity across the period.
August is one of the warmer months of the year in Staten Island. Across 45 years of records, the warmest August in Staten Island was 2005 — when the month averaged 26.4°C — while the coldest was 1994 at 21.3°C. Typical August days reach 28.6°C with nights near 18.3°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in Staten Island, averaging 109 mm of rainfall. The wettest August on record was 2011 with 392 mm, while the driest was 1995 at 30 mm.
Relative humidity in Staten Island during August averages 73%. The most humid August was 2003 at 83%, and the least humid was 1995 at 60%.
August receives about 5.2 kWh/m²/day of solar energy in Staten Island. The sunniest August was 2015 at 6 kWh/m²/day, and the cloudiest were 1990, 2000 and 2021 at 4.7.
Average wind speed in Staten Island during August is 1.1 m/s. The windiest August was 1995 at 1.3 m/s, while the calmest were 1996, 2008 and 2009 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.6°C | 23.0°C | 24.0°C | 23.7°C | 24.2°C | +1.6°C |
| Avg High | 27.9°C | 28.4°C | 29.0°C | 28.7°C | 29.1°C | +1.2°C |
| Avg Low | 17.2°C | 17.6°C | 18.9°C | 18.7°C | 19.3°C | +2.1°C |
| Avg Rain | 90 mm | 115 mm | 101 mm | 125 mm | 112 mm | +22 mm |
August temperatures in Staten Island have risen by about 1.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 7.8°C (1982) to a record high of 38.6°C (2001).
Rainfall in August is about average for rainfall, averaging 109 mm, with a wettest year of 392 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.6°C per decade, narrowing the gap between day and night.
One of the best times to visit Staten Island
August is one of the best times to visit Staten Island. Expect days averaging 28.6°C and nights around 18.3°C (mean 23.5°C) — warmer than Staten Island's yearly average — with higher rainfall (109 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 | 28.5°C | 22.9°C | 17.3°C | 33.9°C | 12.4°C | 41 mm | 67% | 1.2 m/s | 5.6 |
| 2024 | 28.5°C | 23.7°C | 18.8°C | 34.4°C | 12.5°C | 167 mm | 78% | 1.1 m/s | 5.1 |
| 2023 | 28.2°C | 23.5°C | 18.8°C | 32.1°C | 14.9°C | 111 mm | 75% | 1.1 m/s | 5 |
| 2022 | 31.7°C | 26.3°C | 20.9°C | 37.0°C | 17.0°C | 58 mm | 65% | 1.1 m/s | 5.8 |
| 2021 | 28.8°C | 24.6°C | 20.4°C | 34.7°C | 15.6°C | 168 mm | 80% | 1 m/s | 4.7 |
| 2020 | 28.7°C | 24.2°C | 19.8°C | 32.4°C | 14.9°C | 129 mm | 78% | 1.1 m/s | 5.2 |
| 2019 | 28.2°C | 23.6°C | 19.0°C | 32.3°C | 14.0°C | 105 mm | 78% | 1 m/s | 5.4 |
| 2018 | 28.7°C | 24.6°C | 20.4°C | 32.8°C | 15.3°C | 154 mm | 83% | 1.1 m/s | 5.1 |
| 2017 | 27.0°C | 22.3°C | 17.7°C | 32.0°C | 13.7°C | 124 mm | 76% | 1 m/s | 5.2 |
| 2016 | 30.5°C | 25.4°C | 20.3°C | 33.9°C | 13.8°C | 58 mm | 71% | 1 m/s | 5.8 |
| 2015 | 30.3°C | 24.5°C | 18.6°C | 33.8°C | 15.5°C | 65 mm | 65% | 1.1 m/s | 6 |
| 2014 | 27.8°C | 22.5°C | 17.1°C | 32.3°C | 13.2°C | 89 mm | 70% | 1 m/s | 5.4 |
| 2013 | 26.8°C | 22.2°C | 17.6°C | 30.7°C | 12.0°C | 106 mm | 78% | 1 m/s | 4.9 |
| 2012 | 29.2°C | 24.1°C | 19.1°C | 33.0°C | 14.5°C | 103 mm | 72% | 1 m/s | 5.3 |
| 2011 🌧️ | 27.9°C | 23.1°C | 18.3°C | 33.3°C | 12.0°C | 392 mm | 77% | 1.2 m/s | 5.2 |
| 2010 | 30.2°C | 24.7°C | 19.3°C | 35.7°C | 14.1°C | 58 mm | 66% | 1.1 m/s | 5 |
| 2009 | 28.0°C | 23.8°C | 19.6°C | 33.2°C | 14.1°C | 143 mm | 81% | 0.9 m/s | 5 |
| 2008 | 28.5°C | 22.8°C | 17.1°C | 31.5°C | 13.5°C | 68 mm | 67% | 0.9 m/s | 5.8 |
| 2007 | 28.7°C | 23.5°C | 18.3°C | 34.2°C | 13.8°C | 124 mm | 76% | 1 m/s | 5 |
| 2006 | 29.5°C | 24.3°C | 19.2°C | 36.2°C | 13.4°C | 86 mm | 69% | 1.1 m/s | 5.3 |
| 2005 🔥 | 31.8°C | 26.4°C | 21.0°C | 36.9°C | 16.0°C | 39 mm | 65% | 1 m/s | 5 |
| 2004 | 27.5°C | 22.8°C | 18.1°C | 31.8°C | 11.6°C | 100 mm | 80% | 1.1 m/s | 4.8 |
| 2003 | 27.9°C | 23.5°C | 19.1°C | 30.6°C | 12.1°C | 135 mm | 83% | 1 m/s | 4.8 |
| 2002 | 31.1°C | 25.4°C | 19.6°C | 36.9°C | 14.6°C | 105 mm | 62% | 1.1 m/s | 5.3 |
| 2001 | 31.2°C | 25.4°C | 19.6°C | 38.6°C | 15.7°C | 93 mm | 66% | 1.1 m/s | 5.2 |
| 2000 | 26.1°C | 21.8°C | 17.5°C | 30.7°C | 10.7°C | 121 mm | 80% | 1.1 m/s | 4.7 |
| 1999 | 29.5°C | 24.1°C | 18.6°C | 36.3°C | 13.6°C | 137 mm | 64% | 1.2 m/s | 5.2 |
| 1998 | 29.8°C | 24.2°C | 18.5°C | 33.1°C | 12.4°C | 65 mm | 68% | 1.1 m/s | 5.5 |
| 1997 | 27.4°C | 22.1°C | 16.8°C | 33.1°C | 13.0°C | 122 mm | 71% | 1.1 m/s | 5.4 |
| 1996 | 27.5°C | 22.4°C | 17.3°C | 31.4°C | 14.5°C | 67 mm | 78% | 0.9 m/s | 5.3 |
| 1995 | 31.0°C | 24.5°C | 18.1°C | 35.6°C | 13.9°C | 30 mm | 60% | 1.3 m/s | 5.8 |
| 1994 ❄️ | 26.4°C | 21.3°C | 16.2°C | 31.2°C | 10.9°C | 153 mm | 78% | 1.1 m/s | 5.1 |
| 1993 | 29.2°C | 23.8°C | 18.4°C | 34.5°C | 14.9°C | 113 mm | 71% | 1 m/s | 5.2 |
| 1992 | 26.8°C | 21.5°C | 16.2°C | 31.3°C | 11.4°C | 115 mm | 74% | 1.2 m/s | 5.3 |
| 1991 | 29.3°C | 23.8°C | 18.3°C | 35.1°C | 15.5°C | 136 mm | 71% | 1.2 m/s | 5.4 |
| 1990 | 26.9°C | 22.4°C | 17.9°C | 31.9°C | 13.8°C | 216 mm | 80% | 1.1 m/s | 4.7 |
| 1989 | 26.1°C | 22.0°C | 17.8°C | 30.3°C | 11.9°C | 126 mm | 81% | 1.1 m/s | 4.8 |
| 1988 | 29.9°C | 24.4°C | 18.9°C | 35.2°C | 12.0°C | 77 mm | 69% | 1.1 m/s | 5.2 |
| 1987 | 27.5°C | 22.1°C | 16.7°C | 32.4°C | 10.0°C | 125 mm | 73% | 1.1 m/s | 5.2 |
| 1986 | 26.7°C | 21.6°C | 16.5°C | 31.1°C | 8.3°C | 110 mm | 73% | 1.2 m/s | 5.3 |
| 1985 | 28.1°C | 22.9°C | 17.7°C | 34.4°C | 13.8°C | 90 mm | 70% | 1.1 m/s | 5.1 |
| 1984 | 26.9°C | 22.2°C | 17.5°C | 29.9°C | 10.9°C | 57 mm | 82% | 1 m/s | 5.6 |
| 1983 | 30.0°C | 24.0°C | 18.0°C | 35.0°C | 11.9°C | 96 mm | 69% | 1 m/s | — |
| 1982 | 27.2°C | 21.4°C | 15.5°C | 30.8°C | 7.8°C | 74 mm | 68% | 1.1 m/s | — |
| 1981 | 28.5°C | 22.5°C | 16.5°C | 32.1°C | 10.9°C | 54 mm | 66% | 1.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 28.6°C with lows near 18.3°C (mean 23.5°C), based on 45 years of NASA POWER data.
August averages 109 mm of rainfall in Staten Island, about average for rainfall. The wettest on record was 392 mm in 2011.
The hottest August reached 38.6°C in 2001. The coldest dipped to 7.8°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.6°C. Daytime highs moved from 28.1°C to 29.1°C and overnight lows from 17°C to 19.2°C over the same span.
August is one of the warmer months of the year in Staten Island and about average for rainfall, so plan for around 28.6°C daytime highs and 18.3°C at night.
Not quite — August is the 11th coolest month in Staten Island, averaging 23.5°C.
For August in Staten Island, pack light layers you can adjust through the day, with typical highs of 28.6°C and lows of 18.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — moderately humid.
Average wind speed in August is 1.1 m/s. The windiest August on record averaged 1.3 m/s (1995).
The wettest August on record was 2011 with 392 mm. On average, August sees 109 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 August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
