August is one of the warmer months of the year in West Palm Beach, with average highs near 30.1°C and lows around 26.7°C (mean 28.4°C). It is a relatively wet time of year, averaging 184 mm of rainfall and 80% relative humidity across the period.
August is one of the warmer months of the year in West Palm Beach. Across 45 years of records, the warmest August in West Palm Beach was 2023 — when the month averaged 29.7°C — while the coldest was 1994 at 27.4°C. Typical August days reach 30.1°C with nights near 26.7°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in West Palm Beach, averaging 184 mm of rainfall. The wettest August on record was 1995 with 357 mm, while the driest was 1987 at 75 mm.
Relative humidity in West Palm Beach during August averages 80%. The most humid August was 1995 at 83%, and the least humid was 1987 at 75%.
August receives about 5.4 kWh/m²/day of solar energy in West Palm Beach. The sunniest Augusts were 2014 and 2022 at 6 kWh/m²/day, and the cloudiest were 2003, 2008 and 2024 at 4.9.
Average wind speed in West Palm Beach during August is 2.7 m/s. The windiest August was 1981 at 3.6 m/s, while the calmest was 1990 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.0°C | 28.1°C | 28.5°C | 28.6°C | 29.2°C | +1.2°C |
| Avg High | 29.7°C | 29.8°C | 30.2°C | 30.3°C | 30.9°C | +1.2°C |
| Avg Low | 26.2°C | 26.5°C | 26.7°C | 26.9°C | 27.5°C | +1.3°C |
| Avg Rain | 174 mm | 208 mm | 178 mm | 192 mm | 155 mm | -19 mm |
August temperatures in West Palm Beach have risen by about 1.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 24.3°C (1984) to a record high of 33.2°C (2025).
Rainfall in August is a relatively wet time of year, averaging 184 mm, with a wettest year of 357 mm.
A quieter season to visit West Palm Beach
If your dates are flexible, the more temperate months of December and February tend to be the most comfortable for visiting West Palm Beach. That said, August — with days averaging 30.1°C and nights around 26.7°C (mean 28.4°C) and higher rainfall (184 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 29.4°C | 27.4°C | 33.2°C | 25.9°C | 143 mm | 78% | 2.2 m/s | 5.7 |
| 2024 | 31.0°C | 29.3°C | 27.7°C | 32.5°C | 27.0°C | 200 mm | 81% | 3.3 m/s | 4.9 |
| 2023 🔥 | 31.4°C | 29.7°C | 27.9°C | 32.9°C | 26.5°C | 167 mm | 80% | 3 m/s | 5.6 |
| 2022 | 30.7°C | 28.9°C | 27.1°C | 32.1°C | 25.9°C | 100 mm | 79% | 2.5 m/s | 6 |
| 2021 | 30.5°C | 28.8°C | 27.2°C | 31.8°C | 26.3°C | 154 mm | 80% | 2.8 m/s | 5.4 |
| 2020 | 30.5°C | 28.9°C | 27.4°C | 31.0°C | 26.7°C | 165 mm | 82% | 2.9 m/s | 5.8 |
| 2019 | 30.3°C | 28.6°C | 27.0°C | 31.9°C | 25.6°C | 273 mm | 82% | 2.4 m/s | 5.1 |
| 2018 | 29.9°C | 28.3°C | 26.7°C | 30.9°C | 25.7°C | 124 mm | 80% | 2.7 m/s | 5.6 |
| 2017 | 30.3°C | 28.6°C | 26.9°C | 31.6°C | 25.9°C | 217 mm | 81% | 2.9 m/s | 5.6 |
| 2016 | 30.0°C | 28.6°C | 27.1°C | 32.0°C | 26.1°C | 210 mm | 82% | 2.9 m/s | 5.3 |
| 2015 | 30.7°C | 28.9°C | 27.1°C | 31.9°C | 25.4°C | 185 mm | 78% | 2.3 m/s | 5.2 |
| 2014 | 30.9°C | 29.0°C | 27.1°C | 32.1°C | 25.8°C | 138 mm | 76% | 2.4 m/s | 6 |
| 2013 | 29.6°C | 28.0°C | 26.5°C | 30.9°C | 25.5°C | 94 mm | 81% | 2.7 m/s | 5.5 |
| 2012 | 30.1°C | 28.5°C | 26.8°C | 31.5°C | 25.9°C | 247 mm | 79% | 3 m/s | 5.1 |
| 2011 | 30.6°C | 28.8°C | 26.9°C | 32.5°C | 25.6°C | 202 mm | 80% | 2.9 m/s | 5.2 |
| 2010 | 30.5°C | 28.8°C | 27.1°C | 32.3°C | 25.5°C | 230 mm | 80% | 2.5 m/s | 5.2 |
| 2009 | 30.4°C | 28.7°C | 26.9°C | 31.2°C | 26.2°C | 140 mm | 80% | 2.6 m/s | 5.7 |
| 2008 | 29.9°C | 28.3°C | 26.6°C | 31.9°C | 24.8°C | 274 mm | 82% | 3.2 m/s | 4.9 |
| 2007 | 30.9°C | 29.0°C | 27.1°C | 32.4°C | 26.0°C | 122 mm | 77% | 2.5 m/s | 5.8 |
| 2006 | 30.3°C | 28.5°C | 26.7°C | 32.5°C | 25.9°C | 178 mm | 79% | 2.7 m/s | 5.5 |
| 2005 | 30.7°C | 29.0°C | 27.4°C | 31.7°C | 26.4°C | 180 mm | 80% | 2.3 m/s | 5.7 |
| 2004 | 30.2°C | 28.5°C | 26.8°C | 31.7°C | 25.7°C | 226 mm | 81% | 2.6 m/s | 5 |
| 2003 | 29.6°C | 28.1°C | 26.6°C | 30.6°C | 25.9°C | 228 mm | 82% | 2.8 m/s | 4.9 |
| 2002 | 29.9°C | 28.2°C | 26.5°C | 31.3°C | 25.6°C | 142 mm | 80% | 2.6 m/s | 5.3 |
| 2001 | 29.9°C | 28.2°C | 26.5°C | 31.3°C | 24.8°C | 163 mm | 79% | 2.2 m/s | 5.6 |
| 2000 | 29.8°C | 28.0°C | 26.1°C | 31.3°C | 24.6°C | 132 mm | 79% | 3.1 m/s | 5.4 |
| 1999 | 30.2°C | 28.4°C | 26.6°C | 31.7°C | 25.5°C | 237 mm | 82% | 2.8 m/s | 5.2 |
| 1998 | 30.8°C | 29.1°C | 27.4°C | 31.9°C | 26.4°C | 159 mm | 78% | 2.5 m/s | 5.7 |
| 1997 | 30.2°C | 28.5°C | 26.8°C | 31.8°C | 25.6°C | 200 mm | 78% | 2.2 m/s | 5.3 |
| 1996 | 29.2°C | 27.6°C | 26.0°C | 30.3°C | 24.5°C | 143 mm | 80% | 2.6 m/s | 5.4 |
| 1995 🌧️ | 29.8°C | 28.0°C | 26.3°C | 31.2°C | 24.8°C | 357 mm | 83% | 3.2 m/s | 5.4 |
| 1994 ❄️ | 28.9°C | 27.4°C | 26.0°C | 30.0°C | 24.8°C | 255 mm | 81% | 2.7 m/s | 5.1 |
| 1993 | 29.4°C | 27.8°C | 26.1°C | 31.2°C | 25.0°C | 161 mm | 81% | 2.6 m/s | 5.6 |
| 1992 | 29.5°C | 27.9°C | 26.3°C | 30.6°C | 25.1°C | 214 mm | 80% | 2.6 m/s | 5.1 |
| 1991 | 30.0°C | 28.3°C | 26.5°C | 31.2°C | 25.9°C | 146 mm | 79% | 2.4 m/s | 5.8 |
| 1990 | 29.9°C | 28.2°C | 26.5°C | 31.5°C | 25.6°C | 209 mm | 79% | 1.8 m/s | 5.4 |
| 1989 | 30.4°C | 28.5°C | 26.5°C | 31.8°C | 25.8°C | 172 mm | 77% | 2.4 m/s | 5.5 |
| 1988 | 29.1°C | 27.6°C | 26.1°C | 30.5°C | 25.0°C | 226 mm | 81% | 2.8 m/s | 5.3 |
| 1987 | 30.9°C | 28.8°C | 26.7°C | 32.0°C | 25.5°C | 75 mm | 75% | 2.8 m/s | 5.8 |
| 1986 | 29.5°C | 27.8°C | 26.0°C | 30.5°C | 24.6°C | 142 mm | 80% | 2.9 m/s | 5.3 |
| 1985 | 29.6°C | 28.0°C | 26.5°C | 30.6°C | 25.3°C | 160 mm | 80% | 2.9 m/s | 5.5 |
| 1984 | 29.4°C | 27.5°C | 25.6°C | 30.3°C | 24.3°C | 127 mm | 78% | 2.5 m/s | 5.5 |
| 1983 | 29.6°C | 28.0°C | 26.3°C | 31.0°C | 25.5°C | 208 mm | 80% | 2.4 m/s | — |
| 1982 | 29.4°C | 27.7°C | 26.0°C | 30.9°C | 24.9°C | 152 mm | 79% | 2.6 m/s | — |
| 1981 | 29.6°C | 27.9°C | 26.3°C | 31.6°C | 24.8°C | 299 mm | 81% | 3.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 30.1°C with lows near 26.7°C (mean 28.4°C), based on 45 years of NASA POWER data.
August averages 184 mm of rainfall in West Palm Beach, a relatively wet time of year. The wettest on record was 357 mm in 1995.
The hottest August reached 33.2°C in 2025. The coldest dipped to 24.3°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.4°C. Daytime highs moved from 29.5°C to 31°C and overnight lows from 26.1°C to 27.5°C over the same span.
August is one of the warmer months of the year in West Palm Beach and a relatively wet time of year, so plan for around 30.1°C daytime highs and 26.7°C at night.
Not quite — August is the 12th coolest month in West Palm Beach, averaging 28.4°C.
For August in West Palm Beach, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 26.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 2.7 m/s. The windiest August on record averaged 3.6 m/s (1981).
The wettest August on record was 1995 with 357 mm. On average, August sees 184 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 West Palm Beach 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.
