August is one of the warmer months of the year in Hialeah, with average highs near 30.7°C and lows around 26.8°C (mean 28.8°C). It is a relatively wet time of year, averaging 192 mm of rainfall and 77% relative humidity across the period.
August is one of the warmer months of the year in Hialeah. Across 45 years of records, the warmest Augusts in Hialeah were 2023 and 2025 — when the month averaged 30°C — while the coldest were 1986, 1988 and 1994, among others at 27.9°C. Typical August days reach 30.7°C with nights near 26.8°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in Hialeah, averaging 192 mm of rainfall. The wettest August on record was 1981 with 327 mm, while the driest was 2020 at 106 mm.
Relative humidity in Hialeah during August averages 77%. The most humid August was 2016 at 80%, and the least humid was 2015 at 72%.
August receives about 5.7 kWh/m²/day of solar energy in Hialeah. The sunniest Augusts were 2014, 2020 and 2022, among others at 6.1 kWh/m²/day, and the cloudiest was 2011 at 5.
Average wind speed in Hialeah during August is 2.6 m/s. The windiest August was 1981 at 3.5 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 | 28.3°C | 28.5°C | 28.9°C | 29.0°C | 29.6°C | +1.3°C |
| Avg High | 30.2°C | 30.3°C | 30.8°C | 31.0°C | 31.6°C | +1.4°C |
| Avg Low | 26.3°C | 26.6°C | 26.9°C | 27.1°C | 27.6°C | +1.3°C |
| Avg Rain | 198 mm | 211 mm | 201 mm | 182 mm | 159 mm | -39 mm |
August temperatures in Hialeah have risen by about 1.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 24.1°C (1984) to a record high of 34.4°C (2025).
Rainfall in August is a relatively wet time of year, averaging 192 mm, with a wettest year of 327 mm.
A quieter season to visit Hialeah
If your dates are flexible, the more temperate months of March and December tend to be the most comfortable for visiting Hialeah. That said, August — with days averaging 30.7°C and nights around 26.8°C (mean 28.8°C) and higher rainfall (192 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 | 32.3°C | 30.0°C | 27.6°C | 34.4°C | 25.8°C | 186 mm | 74% | 2.1 m/s | 5.7 |
| 2024 | 31.4°C | 29.6°C | 27.7°C | 33.3°C | 26.9°C | 170 mm | 79% | 3.3 m/s | 5.1 |
| 2023 🔥 | 32.0°C | 30.0°C | 28.0°C | 33.7°C | 25.8°C | 206 mm | 78% | 2.9 m/s | 5.7 |
| 2022 | 31.4°C | 29.4°C | 27.3°C | 32.8°C | 26.0°C | 118 mm | 76% | 2.6 m/s | 6.1 |
| 2021 | 31.2°C | 29.2°C | 27.3°C | 32.9°C | 26.4°C | 167 mm | 76% | 2.8 m/s | 5.8 |
| 2020 | 31.3°C | 29.5°C | 27.6°C | 32.4°C | 26.7°C | 106 mm | 77% | 2.8 m/s | 6.1 |
| 2019 | 30.9°C | 29.0°C | 27.0°C | 32.9°C | 25.8°C | 202 mm | 78% | 2.3 m/s | 5.3 |
| 2018 | 30.5°C | 28.7°C | 26.8°C | 32.1°C | 25.8°C | 131 mm | 77% | 2.6 m/s | 6 |
| 2017 | 31.1°C | 29.1°C | 27.1°C | 32.6°C | 25.3°C | 174 mm | 76% | 2.7 m/s | 5.9 |
| 2016 | 30.5°C | 28.7°C | 27.0°C | 32.8°C | 25.8°C | 264 mm | 80% | 2.8 m/s | 5.4 |
| 2015 | 31.9°C | 29.7°C | 27.5°C | 34.0°C | 25.9°C | 143 mm | 72% | 2.1 m/s | 5.6 |
| 2014 | 31.6°C | 29.4°C | 27.3°C | 33.5°C | 25.5°C | 137 mm | 73% | 2.3 m/s | 6.1 |
| 2013 | 30.3°C | 28.4°C | 26.5°C | 31.7°C | 24.9°C | 112 mm | 78% | 2.6 m/s | 5.6 |
| 2012 | 30.9°C | 28.9°C | 26.9°C | 32.8°C | 25.6°C | 190 mm | 76% | 3 m/s | 5.5 |
| 2011 | 31.2°C | 29.2°C | 27.2°C | 33.1°C | 25.6°C | 206 mm | 77% | 2.5 m/s | 5 |
| 2010 | 31.2°C | 29.3°C | 27.4°C | 33.2°C | 25.6°C | 258 mm | 76% | 2.3 m/s | 5.5 |
| 2009 | 31.2°C | 29.2°C | 27.2°C | 32.3°C | 25.9°C | 177 mm | 76% | 2.5 m/s | 6.1 |
| 2008 | 30.5°C | 28.6°C | 26.7°C | 32.3°C | 24.9°C | 314 mm | 79% | 3.1 m/s | 5.4 |
| 2007 | 31.7°C | 29.5°C | 27.2°C | 33.6°C | 25.4°C | 122 mm | 73% | 2.5 m/s | 5.9 |
| 2006 | 30.9°C | 28.9°C | 26.8°C | 33.5°C | 25.7°C | 229 mm | 76% | 2.6 m/s | 5.5 |
| 2005 | 31.5°C | 29.6°C | 27.7°C | 32.7°C | 26.5°C | 217 mm | 76% | 2.4 m/s | 5.8 |
| 2004 | 30.7°C | 28.8°C | 26.9°C | 32.5°C | 25.6°C | 254 mm | 79% | 2.4 m/s | 5.5 |
| 2003 | 30.1°C | 28.4°C | 26.7°C | 31.6°C | 25.8°C | 224 mm | 80% | 2.6 m/s | 5.3 |
| 2002 | 30.7°C | 28.6°C | 26.6°C | 32.4°C | 24.8°C | 147 mm | 76% | 2.5 m/s | 5.8 |
| 2001 | 30.6°C | 28.7°C | 26.8°C | 32.4°C | 24.7°C | 167 mm | 76% | 2.3 m/s | 5.5 |
| 2000 | 30.4°C | 28.3°C | 26.2°C | 32.0°C | 24.4°C | 155 mm | 76% | 3 m/s | 5.7 |
| 1999 | 30.6°C | 28.6°C | 26.5°C | 32.4°C | 25.3°C | 209 mm | 79% | 2.6 m/s | 5.5 |
| 1998 | 31.4°C | 29.4°C | 27.4°C | 32.6°C | 26.0°C | 185 mm | 76% | 2.4 m/s | 5.8 |
| 1997 | 30.8°C | 28.9°C | 27.0°C | 32.7°C | 25.4°C | 180 mm | 74% | 2.1 m/s | 5.5 |
| 1996 | 29.8°C | 28.0°C | 26.2°C | 31.7°C | 25.0°C | 164 mm | 78% | 2.7 m/s | 5.5 |
| 1995 | 30.5°C | 28.5°C | 26.5°C | 32.6°C | 24.4°C | 313 mm | 79% | 3.2 m/s | 5.7 |
| 1994 | 29.6°C | 27.9°C | 26.2°C | 30.7°C | 24.9°C | 216 mm | 77% | 2.7 m/s | 5.5 |
| 1993 | 30.0°C | 28.0°C | 26.0°C | 32.0°C | 25.0°C | 176 mm | 78% | 2.6 m/s | 5.8 |
| 1992 | 29.8°C | 28.1°C | 26.5°C | 31.5°C | 25.0°C | 236 mm | 78% | 2.7 m/s | 5.5 |
| 1991 | 30.5°C | 28.6°C | 26.7°C | 31.9°C | 25.7°C | 170 mm | 76% | 2.4 m/s | 6.1 |
| 1990 | 30.4°C | 28.6°C | 26.8°C | 32.4°C | 25.6°C | 257 mm | 75% | 1.8 m/s | 5.6 |
| 1989 | 30.8°C | 28.7°C | 26.6°C | 32.8°C | 25.5°C | 208 mm | 75% | 2.5 m/s | 5.8 |
| 1988 | 29.6°C | 27.9°C | 26.1°C | 31.1°C | 25.2°C | 277 mm | 79% | 2.8 m/s | 5.4 |
| 1987 | 31.4°C | 29.1°C | 26.8°C | 32.9°C | 25.0°C | 123 mm | 73% | 2.8 m/s | 5.9 |
| 1986 | 29.7°C | 27.9°C | 26.1°C | 31.4°C | 24.9°C | 207 mm | 78% | 3 m/s | 5.8 |
| 1985 | 29.9°C | 28.3°C | 26.6°C | 31.1°C | 25.1°C | 164 mm | 77% | 2.9 m/s | 5.7 |
| 1984 ❄️ | 29.9°C | 27.9°C | 25.9°C | 31.3°C | 24.1°C | 133 mm | 75% | 2.4 m/s | 5.8 |
| 1983 | 30.0°C | 28.3°C | 26.5°C | 31.7°C | 25.5°C | 192 mm | 78% | 2.3 m/s | — |
| 1982 | 30.1°C | 28.1°C | 26.2°C | 31.5°C | 24.7°C | 149 mm | 76% | 2.6 m/s | — |
| 1981 🌧️ | 30.1°C | 28.2°C | 26.3°C | 32.3°C | 24.3°C | 327 mm | 79% | 3.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 30.7°C with lows near 26.8°C (mean 28.8°C), based on 45 years of NASA POWER data.
August averages 192 mm of rainfall in Hialeah, a relatively wet time of year. The wettest on record was 327 mm in 1981.
The hottest August reached 34.4°C in 2025. The coldest dipped to 24.1°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 30°C to 31.7°C and overnight lows from 26.3°C to 27.6°C over the same span.
August is one of the warmer months of the year in Hialeah and a relatively wet time of year, so plan for around 30.7°C daytime highs and 26.8°C at night.
Not quite — August is the 12th coolest month in Hialeah, averaging 28.8°C.
For August in Hialeah, pack light, breathable clothing and sun protection, with typical highs of 30.7°C and lows of 26.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 77% — quite humid.
Average wind speed in August is 2.6 m/s. The windiest August on record averaged 3.5 m/s (1981).
The wettest August on record was 1981 with 327 mm. On average, August sees 192 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 Hialeah 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.
