May is one of the warmer months of the year in Staten Island, with average highs near 20.6°C and lows around 10°C (mean 15.3°C). It is about average for rainfall, averaging 106 mm of rainfall and 79% relative humidity across the period.
May is one of the warmer months of the year in Staten Island. Across 45 years of records, the warmest May in Staten Island was 2012 — when the month averaged 17.7°C — while the coldest was 1997 at 13°C. Typical May days reach 20.6°C with nights near 10°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Staten Island, averaging 106 mm of rainfall. The wettest May on record was 1989 with 238 mm, while the driest was 2023 at 25 mm.
Relative humidity in Staten Island during May averages 79%. The most humid Mays were 2003 and 2011 at 84%, and the least humid was 2002 at 73%.
May receives about 5.4 kWh/m²/day of solar energy in Staten Island. The sunniest May was 2007 at 6.7 kWh/m²/day, and the cloudiest was 2003 at 3.9.
Average wind speed in Staten Island during May is 1.2 m/s. The windiest May was 1997 at 1.5 m/s, while the calmest was 1982 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.9°C | 14.7°C | 15.2°C | 16.2°C | 15.5°C | +0.6°C |
| Avg High | 20.3°C | 20.1°C | 20.6°C | 21.2°C | 20.7°C | +0.4°C |
| Avg Low | 9.5°C | 9.2°C | 9.8°C | 11.2°C | 10.3°C | +0.8°C |
| Avg Rain | 127 mm | 102 mm | 86 mm | 114 mm | 100 mm | -26 mm |
May temperatures in Staten Island have risen by about 1.1°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 0.6°C (1986) to a record high of 31.9°C (2022).
Rainfall in May is about average for rainfall, averaging 106 mm, with a wettest year of 238 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
A good time to visit Staten Island
May is a good time to visit Staten Island, with days averaging 20.6°C and nights around 10°C (mean 15.3°C, warmer than Staten Island's yearly average) and higher rainfall. June and August are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.6°C | 15.9°C | 11.2°C | 26.2°C | 6.6°C | 189 mm | 82% | 1.2 m/s | 4.7 |
| 2024 | 21.7°C | 17.0°C | 12.2°C | 27.1°C | 6.6°C | 82 mm | 83% | 1.1 m/s | 5.2 |
| 2023 | 20.6°C | 14.9°C | 9.1°C | 27.5°C | 4.1°C | 25 mm | 73% | 1.1 m/s | 6.5 |
| 2022 | 21.5°C | 16.3°C | 11.1°C | 31.9°C | 3.5°C | 135 mm | 81% | 1.2 m/s | 5.2 |
| 2021 | 20.7°C | 15.3°C | 9.9°C | 29.9°C | 3.5°C | 110 mm | 76% | 1.2 m/s | 5.7 |
| 2020 | 18.8°C | 13.6°C | 8.5°C | 25.9°C | 0.7°C | 61 mm | 77% | 1.3 m/s | 5.9 |
| 2019 | 20.7°C | 15.9°C | 11.2°C | 28.0°C | 4.7°C | 194 mm | 83% | 1.2 m/s | 5.1 |
| 2018 | 22.3°C | 17.3°C | 12.4°C | 29.3°C | 3.7°C | 139 mm | 83% | 1.1 m/s | 5 |
| 2017 | 19.2°C | 14.7°C | 10.1°C | 29.8°C | 3.9°C | 167 mm | 81% | 1.3 m/s | 5 |
| 2016 | 19.7°C | 15.0°C | 10.2°C | 28.6°C | 3.1°C | 113 mm | 81% | 1.2 m/s | 4.9 |
| 2015 | 23.3°C | 17.5°C | 11.8°C | 28.4°C | 5.9°C | 30 mm | 77% | 1.1 m/s | 6 |
| 2014 | 20.8°C | 15.6°C | 10.4°C | 26.5°C | 5.5°C | 90 mm | 81% | 1.1 m/s | 5.2 |
| 2013 | 20.3°C | 15.1°C | 9.9°C | 30.8°C | 1.8°C | 111 mm | 80% | 1.3 m/s | 5.7 |
| 2012 🔥 | 22.4°C | 17.7°C | 13.0°C | 30.6°C | 6.3°C | 120 mm | 82% | 1.1 m/s | 5 |
| 2011 | 21.7°C | 16.8°C | 12.0°C | 29.6°C | 4.8°C | 101 mm | 84% | 1.1 m/s | 5.2 |
| 2010 | 21.9°C | 16.5°C | 11.1°C | 31.0°C | 2.5°C | 79 mm | 79% | 1.2 m/s | 5.8 |
| 2009 | 20.9°C | 15.8°C | 10.7°C | 26.1°C | 3.9°C | 110 mm | 80% | 1.2 m/s | 4.9 |
| 2008 | 19.3°C | 13.9°C | 8.5°C | 26.8°C | 2.5°C | 108 mm | 78% | 1.4 m/s | 5.4 |
| 2007 | 22.1°C | 16.2°C | 10.2°C | 30.0°C | 3.3°C | 43 mm | 76% | 1.1 m/s | 6.7 |
| 2006 | 21.1°C | 15.7°C | 10.3°C | 30.9°C | 4.5°C | 82 mm | 76% | 1.2 m/s | 5.8 |
| 2005 | 18.6°C | 13.4°C | 8.2°C | 25.0°C | 3.1°C | 44 mm | 77% | 1.2 m/s | 5.7 |
| 2004 | 23.1°C | 17.6°C | 12.2°C | 28.8°C | 4.2°C | 94 mm | 82% | 1.1 m/s | 5.5 |
| 2003 | 18.0°C | 13.4°C | 8.8°C | 24.5°C | 3.7°C | 101 mm | 84% | 1.1 m/s | 3.9 |
| 2002 | 20.7°C | 14.7°C | 8.7°C | 28.2°C | 2.2°C | 107 mm | 73% | 1.3 m/s | 6 |
| 2001 | 21.6°C | 15.9°C | 10.3°C | 30.7°C | 3.4°C | 71 mm | 75% | 1.1 m/s | 5.6 |
| 2000 | 20.8°C | 15.6°C | 10.4°C | 30.5°C | 2.7°C | 104 mm | 80% | 1.2 m/s | 5.1 |
| 1999 | 21.4°C | 15.6°C | 9.7°C | 31.7°C | 4.2°C | 81 mm | 75% | 1.2 m/s | 5.7 |
| 1998 | 21.3°C | 16.2°C | 11.2°C | 28.9°C | 5.4°C | 186 mm | 84% | 1.2 m/s | 5.4 |
| 1997 ❄️ | 18.5°C | 13.0°C | 7.5°C | 26.6°C | 2.4°C | 89 mm | 76% | 1.5 m/s | 5.7 |
| 1996 | 18.8°C | 13.5°C | 8.3°C | 29.0°C | 1.4°C | 75 mm | 80% | 1.2 m/s | 5.3 |
| 1995 | 19.9°C | 14.4°C | 8.8°C | 27.2°C | 2.5°C | 73 mm | 76% | 1.2 m/s | 5 |
| 1994 | 19.5°C | 13.7°C | 8.0°C | 29.0°C | 3.1°C | 95 mm | 78% | 1.3 m/s | 6.1 |
| 1993 | 20.9°C | 15.4°C | 9.9°C | 26.8°C | 6.0°C | 42 mm | 79% | 1.1 m/s | 5.6 |
| 1992 | 19.4°C | 13.7°C | 7.9°C | 30.5°C | 2.6°C | 95 mm | 76% | 1.2 m/s | 5.3 |
| 1991 | 23.1°C | 17.5°C | 11.8°C | 28.6°C | 5.0°C | 78 mm | 80% | 1.1 m/s | 6.3 |
| 1990 | 18.6°C | 13.6°C | 8.6°C | 24.7°C | 3.5°C | 205 mm | 80% | 1.4 m/s | 4.9 |
| 1989 🌧️ | 19.5°C | 14.5°C | 9.6°C | 26.6°C | 3.7°C | 238 mm | 84% | 1.3 m/s | 4.6 |
| 1988 | 20.5°C | 15.2°C | 10.0°C | 28.6°C | 2.7°C | 130 mm | 82% | 1.1 m/s | 4.9 |
| 1987 | 19.8°C | 14.5°C | 9.3°C | 29.8°C | 2.6°C | 56 mm | 83% | 1.2 m/s | 5.3 |
| 1986 | 21.5°C | 15.8°C | 10.1°C | 28.7°C | 0.6°C | 32 mm | 78% | 1.2 m/s | 6.2 |
| 1985 | 21.8°C | 16.0°C | 10.3°C | 27.8°C | 1.6°C | 135 mm | 74% | 1.3 m/s | 5.9 |
| 1984 | 18.8°C | 13.9°C | 8.9°C | 25.4°C | 2.7°C | 232 mm | 83% | 1.3 m/s | 4.2 |
| 1983 | 18.9°C | 13.7°C | 8.5°C | 24.4°C | 0.8°C | 132 mm | 83% | 1.3 m/s | — |
| 1982 | 21.2°C | 15.7°C | 10.3°C | 26.3°C | 5.8°C | 79 mm | 79% | 1 m/s | — |
| 1981 | 20.8°C | 14.8°C | 8.9°C | 27.6°C | 2.6°C | 105 mm | 76% | 1.2 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 20.6°C with lows near 10°C (mean 15.3°C), based on 45 years of NASA POWER data.
May averages 106 mm of rainfall in Staten Island, about average for rainfall. The wettest on record was 238 mm in 1989.
The hottest May reached 31.9°C in 2022. The coldest dipped to 0.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1.1°C. Daytime highs moved from 20.3°C to 21°C and overnight lows from 9.4°C to 10.7°C over the same span.
May is one of the warmer months of the year in Staten Island and about average for rainfall, so plan for around 20.6°C daytime highs and 10°C at night.
Not quite — May is the 8th coolest month in Staten Island, averaging 15.3°C.
For May in Staten Island, pack light layers you can adjust through the day, with typical highs of 20.6°C and lows of 10°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 79% — quite humid.
Average wind speed in May is 1.2 m/s. The windiest May on record averaged 1.5 m/s (1997).
The wettest May on record was 1989 with 238 mm. On average, May 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 Staten Island behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.