August is one of the warmer months of the year in Deltona, with average highs near 31.4°C and lows around 23.8°C (mean 27.6°C). It is a relatively wet time of year, averaging 179 mm of rainfall and 82% relative humidity across the period.
August is one of the warmer months of the year in Deltona. Across 45 years of records, the warmest August in Deltona was 2023 — when the month averaged 29.7°C — while the coldest was 1994 at 26°C. Typical August days reach 31.4°C with nights near 23.8°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in Deltona, averaging 179 mm of rainfall. The wettest August on record was 2008 with 406 mm, while the driest was 1987 at 90 mm.
Relative humidity in Deltona during August averages 82%. The most humid August was 2003 at 88%, and the least humid was 1993 at 72%.
August receives about 5.5 kWh/m²/day of solar energy in Deltona. The sunniest August was 2007 at 6.1 kWh/m²/day, and the cloudiest was 2008 at 4.7.
Average wind speed in Deltona during August is 1.5 m/s. The windiest August was 1995 at 2.4 m/s, while the calmest were 2001, 2005 and 2022, among others at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.1°C | 27.4°C | 27.3°C | 27.8°C | 28.7°C | +1.6°C |
| Avg High | 30.9°C | 31.1°C | 31.1°C | 31.7°C | 32.7°C | +1.8°C |
| Avg Low | 23.3°C | 23.6°C | 23.6°C | 24.0°C | 24.6°C | +1.3°C |
| Avg Rain | 181 mm | 174 mm | 189 mm | 178 mm | 165 mm | -16 mm |
August temperatures in Deltona have risen by about 2.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 19.5°C (1984) to a record high of 37.9°C (1989).
Rainfall in August is a relatively wet time of year, averaging 179 mm, with a wettest year of 406 mm.
A quieter season to visit Deltona
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting Deltona. That said, August — with days averaging 31.4°C and nights around 23.8°C (mean 27.6°C) and higher rainfall (179 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 | 32.8°C | 28.7°C | 24.6°C | 35.5°C | 21.9°C | 180 mm | 81% | 1.3 m/s | 5.7 |
| 2024 | 32.9°C | 28.8°C | 24.8°C | 35.9°C | 22.1°C | 172 mm | 80% | 2 m/s | 5.2 |
| 2023 🔥 | 34.4°C | 29.7°C | 25.0°C | 37.1°C | 23.4°C | 121 mm | 76% | 1.6 m/s | 5.7 |
| 2022 | 33.2°C | 28.9°C | 24.5°C | 37.0°C | 23.1°C | 162 mm | 77% | 1.2 m/s | 5.6 |
| 2021 | 31.1°C | 27.7°C | 24.3°C | 34.0°C | 22.9°C | 165 mm | 85% | 1.5 m/s | 5.4 |
| 2020 | 32.0°C | 28.2°C | 24.4°C | 35.2°C | 22.6°C | 191 mm | 82% | 1.5 m/s | 5.4 |
| 2019 | 31.3°C | 27.6°C | 23.9°C | 33.6°C | 22.5°C | 187 mm | 85% | 1.5 m/s | 5.1 |
| 2018 | 30.9°C | 27.3°C | 23.6°C | 32.7°C | 22.6°C | 171 mm | 86% | 1.4 m/s | 5.9 |
| 2017 | 31.3°C | 27.7°C | 24.1°C | 33.3°C | 23.2°C | 176 mm | 86% | 1.4 m/s | 5.7 |
| 2016 | 32.9°C | 28.8°C | 24.7°C | 36.8°C | 23.4°C | 161 mm | 77% | 1.9 m/s | 5.5 |
| 2015 | 31.4°C | 27.7°C | 24.1°C | 35.3°C | 22.2°C | 236 mm | 83% | 1.4 m/s | 5.2 |
| 2014 | 32.2°C | 28.0°C | 23.9°C | 34.8°C | 22.3°C | 109 mm | 80% | 1.5 m/s | 5.8 |
| 2013 | 31.0°C | 27.2°C | 23.5°C | 34.0°C | 21.8°C | 161 mm | 83% | 1.5 m/s | 5.6 |
| 2012 | 30.6°C | 27.0°C | 23.5°C | 33.1°C | 20.9°C | 239 mm | 85% | 1.6 m/s | 5.1 |
| 2011 | 32.3°C | 28.4°C | 24.4°C | 35.6°C | 22.8°C | 177 mm | 82% | 1.7 m/s | 5.3 |
| 2010 | 32.7°C | 28.7°C | 24.6°C | 36.0°C | 23.1°C | 166 mm | 78% | 1.7 m/s | 5.3 |
| 2009 | 30.8°C | 27.2°C | 23.7°C | 33.6°C | 21.2°C | 153 mm | 85% | 1.3 m/s | 5.4 |
| 2008 🌧️ | 29.9°C | 26.6°C | 23.4°C | 33.2°C | 20.7°C | 406 mm | 86% | 2.2 m/s | 4.7 |
| 2007 | 32.4°C | 28.2°C | 23.9°C | 34.8°C | 21.9°C | 94 mm | 79% | 1.4 m/s | 6.1 |
| 2006 | 33.7°C | 28.8°C | 23.9°C | 37.2°C | 21.9°C | 134 mm | 73% | 1.6 m/s | 5.6 |
| 2005 | 31.7°C | 28.0°C | 24.4°C | 34.2°C | 22.5°C | 137 mm | 84% | 1.2 m/s | 5.9 |
| 2004 | 30.1°C | 27.0°C | 23.9°C | 33.2°C | 21.2°C | 288 mm | 87% | 1.5 m/s | 5 |
| 2003 | 29.9°C | 26.6°C | 23.4°C | 32.0°C | 22.3°C | 184 mm | 88% | 1.5 m/s | 5 |
| 2002 | 30.0°C | 26.4°C | 22.8°C | 32.6°C | 20.8°C | 244 mm | 86% | 1.5 m/s | 5.3 |
| 2001 | 30.9°C | 26.9°C | 23.0°C | 32.8°C | 20.0°C | 136 mm | 83% | 1.2 m/s | 5.6 |
| 2000 | 31.9°C | 27.5°C | 23.1°C | 34.4°C | 21.3°C | 117 mm | 77% | 1.6 m/s | 5.9 |
| 1999 | 32.5°C | 28.2°C | 23.9°C | 36.6°C | 22.3°C | 143 mm | 78% | 1.7 m/s | 5.7 |
| 1998 | 31.4°C | 27.8°C | 24.2°C | 35.6°C | 22.5°C | 169 mm | 82% | 1.5 m/s | 5.7 |
| 1997 | 30.7°C | 27.0°C | 23.3°C | 32.8°C | 20.1°C | 174 mm | 84% | 1.4 m/s | 5.7 |
| 1996 | 30.6°C | 26.9°C | 23.2°C | 33.2°C | 21.3°C | 161 mm | 80% | 1.4 m/s | 5.5 |
| 1995 | 31.5°C | 27.8°C | 24.2°C | 36.9°C | 22.5°C | 251 mm | 82% | 2.4 m/s | 5.3 |
| 1994 ❄️ | 29.3°C | 26.0°C | 22.8°C | 32.2°C | 20.7°C | 197 mm | 88% | 1.5 m/s | 5.3 |
| 1993 | 33.6°C | 28.8°C | 24.0°C | 37.7°C | 22.4°C | 127 mm | 72% | 1.7 m/s | 5.8 |
| 1992 | 30.0°C | 26.7°C | 23.5°C | 34.2°C | 22.2°C | 231 mm | 85% | 1.3 m/s | 5.3 |
| 1991 | 30.1°C | 26.8°C | 23.5°C | 32.2°C | 22.6°C | 130 mm | 88% | 1.5 m/s | 5.7 |
| 1990 | 31.5°C | 27.5°C | 23.6°C | 34.6°C | 22.1°C | 162 mm | 80% | 1.2 m/s | 5.6 |
| 1989 | 32.1°C | 27.8°C | 23.6°C | 37.9°C | 21.6°C | 162 mm | 78% | 1.4 m/s | 5.9 |
| 1988 | 30.5°C | 27.0°C | 23.5°C | 33.2°C | 21.4°C | 182 mm | 83% | 1.5 m/s | 5.4 |
| 1987 | 33.7°C | 28.8°C | 24.0°C | 36.2°C | 21.8°C | 90 mm | 73% | 1.5 m/s | 5.8 |
| 1986 | 30.3°C | 26.7°C | 23.2°C | 32.6°C | 21.6°C | 185 mm | 84% | 1.5 m/s | 5.5 |
| 1985 | 29.5°C | 26.4°C | 23.4°C | 31.0°C | 21.8°C | 296 mm | 87% | 1.7 m/s | 5.1 |
| 1984 | 30.6°C | 26.5°C | 22.3°C | 32.9°C | 19.5°C | 144 mm | 81% | 1.3 m/s | 5.6 |
| 1983 | 30.5°C | 27.1°C | 23.6°C | 34.0°C | 22.0°C | 188 mm | 84% | 1.4 m/s | — |
| 1982 | 30.0°C | 26.4°C | 22.7°C | 32.5°C | 20.3°C | 156 mm | 85% | 1.5 m/s | — |
| 1981 | 30.8°C | 27.2°C | 23.6°C | 33.3°C | 22.4°C | 224 mm | 82% | 1.7 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.4°C with lows near 23.8°C (mean 27.6°C), based on 45 years of NASA POWER data.
August averages 179 mm of rainfall in Deltona, a relatively wet time of year. The wettest on record was 406 mm in 2008.
The hottest August reached 37.9°C in 1989. The coldest dipped to 19.5°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.1°C. Daytime highs moved from 30.3°C to 32.9°C and overnight lows from 23.1°C to 24.6°C over the same span.
August is one of the warmer months of the year in Deltona and a relatively wet time of year, so plan for around 31.4°C daytime highs and 23.8°C at night.
Not quite — August is the 11th coolest month in Deltona, averaging 27.6°C.
For August in Deltona, pack light, breathable clothing and sun protection, with typical highs of 31.4°C and lows of 23.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 82% — quite humid.
Average wind speed in August is 1.5 m/s. The windiest August on record averaged 2.4 m/s (1995).
The wettest August on record was 2008 with 406 mm. On average, August sees 179 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 Deltona 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.
