August is one of the warmer months of the year in Bay Shore, with average highs near 24.4°C and lows around 21.3°C (mean 22.9°C). It is about average for rainfall, averaging 103 mm of rainfall and 80% relative humidity across the period.
August is one of the warmer months of the year in Bay Shore. Across 45 years of records, the warmest August in Bay Shore was 2016 — when the month averaged 24.7°C — while the coldest was 1994 at 21.1°C. Typical August days reach 24.4°C with nights near 21.3°C. The long-term trend is warming, about 0.4°C per decade.
August is about average for rainfall in Bay Shore, averaging 103 mm of rainfall. The wettest August on record was 2011 with 327 mm, while the driest was 1995 at 21 mm.
Relative humidity in Bay Shore during August averages 80%. The most humid August was 2003 at 87%, and the least humid was 2025 at 74%.
August receives about 5.4 kWh/m²/day of solar energy in Bay Shore. The sunniest August was 2016 at 6.2 kWh/m²/day, and the cloudiest was 1990 at 4.6.
Average wind speed in Bay Shore during August is 4 m/s. The windiest August was 1995 at 4.7 m/s, while the calmest was 2008 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.1°C | 22.3°C | 23.1°C | 23.5°C | 23.5°C | +1.4°C |
| Avg High | 23.9°C | 24.0°C | 24.6°C | 25.0°C | 25.0°C | +1.1°C |
| Avg Low | 20.4°C | 20.7°C | 21.6°C | 22.0°C | 22.1°C | +1.7°C |
| Avg Rain | 87 mm | 115 mm | 93 mm | 122 mm | 92 mm | +5 mm |
August temperatures in Bay Shore have risen by about 1.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 12.3°C (1982) to a record high of 30°C (2006).
Rainfall in August is about average for rainfall, averaging 103 mm, with a wettest year of 327 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.3°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Bay Shore
August is one of the best times to visit Bay Shore. Expect days averaging 24.4°C and nights around 21.3°C (mean 22.9°C) — warmer than Bay Shore's yearly average — with higher rainfall (103 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 | 24.2°C | 22.5°C | 20.9°C | 27.7°C | 17.1°C | 31 mm | 74% | 4.3 m/s | 5.7 |
| 2024 | 24.6°C | 23.0°C | 21.4°C | 27.1°C | 17.2°C | 115 mm | 84% | 4.2 m/s | 5.3 |
| 2023 | 24.5°C | 23.0°C | 21.4°C | 27.0°C | 19.2°C | 106 mm | 81% | 4 m/s | 5.1 |
| 2022 | 25.9°C | 24.5°C | 23.2°C | 27.8°C | 20.7°C | 59 mm | 81% | 4.1 m/s | 5.8 |
| 2021 | 25.1°C | 23.9°C | 22.7°C | 28.9°C | 20.1°C | 148 mm | 85% | 3.7 m/s | 4.8 |
| 2020 | 25.4°C | 24.1°C | 22.7°C | 28.3°C | 19.6°C | 93 mm | 82% | 4.5 m/s | 5.3 |
| 2019 | 24.8°C | 23.4°C | 22.0°C | 27.3°C | 17.7°C | 154 mm | 83% | 3.8 m/s | 5.5 |
| 2018 | 25.8°C | 24.5°C | 23.1°C | 28.4°C | 20.0°C | 113 mm | 86% | 4.2 m/s | 5.5 |
| 2017 | 23.8°C | 22.5°C | 21.1°C | 26.0°C | 17.7°C | 152 mm | 82% | 3.7 m/s | 5.4 |
| 2016 🔥 | 26.0°C | 24.7°C | 23.3°C | 28.8°C | 20.0°C | 82 mm | 79% | 4 m/s | 6.2 |
| 2015 | 25.6°C | 24.1°C | 22.5°C | 27.1°C | 20.4°C | 75 mm | 77% | 4 m/s | 6.1 |
| 2014 | 24.1°C | 22.4°C | 20.7°C | 26.1°C | 18.7°C | 90 mm | 76% | 3.7 m/s | 5.8 |
| 2013 | 23.8°C | 22.3°C | 20.7°C | 25.9°C | 18.1°C | 69 mm | 80% | 4 m/s | 5.1 |
| 2012 | 25.6°C | 24.3°C | 22.9°C | 27.2°C | 20.8°C | 96 mm | 78% | 3.6 m/s | 5.5 |
| 2011 🌧️ | 24.8°C | 23.3°C | 21.8°C | 28.2°C | 17.6°C | 327 mm | 80% | 4.3 m/s | 5.5 |
| 2010 | 25.4°C | 23.7°C | 22.0°C | 29.2°C | 18.7°C | 57 mm | 78% | 4.2 m/s | 5.3 |
| 2009 | 25.1°C | 23.7°C | 22.3°C | 27.4°C | 19.1°C | 69 mm | 84% | 3.6 m/s | 5.2 |
| 2008 | 24.1°C | 22.4°C | 20.6°C | 26.6°C | 17.8°C | 89 mm | 76% | 3.4 m/s | 6.1 |
| 2007 | 24.3°C | 22.6°C | 21.0°C | 28.3°C | 16.8°C | 100 mm | 82% | 4.1 m/s | 5.1 |
| 2006 | 25.1°C | 23.5°C | 21.9°C | 30.0°C | 18.3°C | 126 mm | 77% | 4.1 m/s | 5.4 |
| 2005 | 26.0°C | 24.5°C | 23.1°C | 29.2°C | 20.0°C | 35 mm | 80% | 3.7 m/s | 5.3 |
| 2004 | 23.5°C | 22.1°C | 20.7°C | 27.3°C | 17.0°C | 113 mm | 85% | 4.1 m/s | 5.1 |
| 2003 | 24.2°C | 22.8°C | 21.4°C | 27.3°C | 17.7°C | 99 mm | 87% | 4 m/s | 5.2 |
| 2002 | 25.2°C | 23.6°C | 21.9°C | 28.9°C | 18.5°C | 101 mm | 78% | 4.2 m/s | 5.4 |
| 2001 | 25.0°C | 23.6°C | 22.1°C | 28.9°C | 19.8°C | 102 mm | 81% | 4.3 m/s | 5.3 |
| 2000 | 23.4°C | 21.9°C | 20.5°C | 26.5°C | 17.2°C | 93 mm | 83% | 4.2 m/s | 5 |
| 1999 | 24.5°C | 23.0°C | 21.5°C | 28.4°C | 17.8°C | 101 mm | 76% | 4.6 m/s | 5.3 |
| 1998 | 24.5°C | 23.0°C | 21.4°C | 26.4°C | 17.4°C | 65 mm | 80% | 3.9 m/s | 5.9 |
| 1997 | 23.7°C | 22.0°C | 20.4°C | 27.1°C | 18.4°C | 119 mm | 79% | 3.9 m/s | 5.4 |
| 1996 | 23.3°C | 21.8°C | 20.3°C | 25.3°C | 18.7°C | 72 mm | 84% | 3.5 m/s | 5.4 |
| 1995 | 24.9°C | 22.9°C | 20.9°C | 27.5°C | 17.6°C | 21 mm | 75% | 4.7 m/s | 6 |
| 1994 ❄️ | 22.8°C | 21.1°C | 19.5°C | 25.7°C | 16.5°C | 145 mm | 82% | 4.2 m/s | 5.4 |
| 1993 | 24.0°C | 22.6°C | 21.2°C | 26.9°C | 18.5°C | 72 mm | 81% | 3.6 m/s | 5.5 |
| 1992 | 22.9°C | 21.3°C | 19.6°C | 25.8°C | 16.9°C | 148 mm | 82% | 4.2 m/s | 5.1 |
| 1991 | 24.6°C | 22.9°C | 21.2°C | 27.2°C | 18.7°C | 202 mm | 81% | 4.3 m/s | 5.4 |
| 1990 | 24.4°C | 22.8°C | 21.1°C | 25.9°C | 17.7°C | 209 mm | 84% | 4.3 m/s | 4.6 |
| 1989 | 23.4°C | 21.9°C | 20.5°C | 26.2°C | 16.9°C | 162 mm | 83% | 4.1 m/s | 4.9 |
| 1988 | 24.4°C | 22.9°C | 21.4°C | 27.1°C | 17.0°C | 52 mm | 81% | 4.4 m/s | 5.1 |
| 1987 | 23.9°C | 22.1°C | 20.4°C | 28.1°C | 16.8°C | 106 mm | 76% | 4.2 m/s | 5.1 |
| 1986 | 23.2°C | 21.6°C | 20.0°C | 26.8°C | 13.9°C | 116 mm | 78% | 4.2 m/s | 5.4 |
| 1985 | 24.3°C | 22.7°C | 21.1°C | 28.0°C | 17.0°C | 97 mm | 76% | 3.9 m/s | 5.3 |
| 1984 | 24.1°C | 22.4°C | 20.7°C | 26.8°C | 17.9°C | 33 mm | 84% | 3.6 m/s | 5.7 |
| 1983 | 24.7°C | 22.6°C | 20.6°C | 29.1°C | 16.4°C | 96 mm | 79% | 3.9 m/s | — |
| 1982 | 23.2°C | 21.2°C | 19.1°C | 25.7°C | 12.3°C | 81 mm | 76% | 4.3 m/s | — |
| 1981 | 24.0°C | 21.9°C | 19.9°C | 26.7°C | 16.8°C | 38 mm | 76% | 4.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24.4°C with lows near 21.3°C (mean 22.9°C), based on 45 years of NASA POWER data.
August averages 103 mm of rainfall in Bay Shore, about average for rainfall. The wettest on record was 327 mm in 2011.
The hottest August reached 30°C in 2006. The coldest dipped to 12.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.2°C. Daytime highs moved from 24.1°C to 24.9°C and overnight lows from 20.3°C to 21.9°C over the same span.
August is one of the warmer months of the year in Bay Shore and about average for rainfall, so plan for around 24.4°C daytime highs and 21.3°C at night.
Not quite — August is the 12th coolest month in Bay Shore, averaging 22.9°C.
For August in Bay Shore, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 21.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 4 m/s. The windiest August on record averaged 4.7 m/s (1995).
The wettest August on record was 2011 with 327 mm. On average, August sees 103 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 Bay Shore 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.
