Deltona, FL weather in August
Deltona is hot and oppressively humid in August, with rain on most days: highs average 92°F and nights drop to about 75°F. There are about 18 days with rain. This is the peak of the warm season in Deltona. Midday heat is the main thing to plan around.
- Normal high
- 92°F
- Normal low
- 75°F
- Wet days
- 18
- 8.1 in total
- Muggy days
- 31
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 92°F | 91°F |
| Normal low | 74°F | 74°F |
| Chance of a wet day | 55% | 54% |
| Sunrise / sunset | 6:46 am / 8:16 pm | 7:02 am / 7:48 pm |
| Daylight | 13.5 h | 12.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical August day
- 6 am76°Fdew point 73°F
- 9 am83°Fdew point 74°F
- Noon89°Fdew point 72°F
- 3 pm88°Fdew point 72°F
- 6 pm83°Fdew point 72°F
- 9 pm79°Fdew point 73°F
NOAA hourly normals (local standard time) from Orlando Sanford Airport (8 mi away); average wind 6 mph; clear or few clouds in 55% of daytime hours, mostly cloudy or overcast in 27%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more25 of 31
- Muggy daysdaily mean dew point 65°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow18 of 31
- Notable rainat least 0.10 in12 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 8.1 in; a dry August brings about 4.8 in and a wet one about 9.9 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 3 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202011: average high 95°F
- Coolest August2008: average high 89°F
- Wettest August2008: 24.8 in
- Driest August1993: 1.9 in
- Highest reading100°F (August 1, 1999)
- Lowest reading65°F (August 28, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 92°F | 92°F | 89°F |
| Normal low | 74°F | 75°F | 73°F |
| Wet days | 16 | 18 | 14 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.8 h | 13.2 h | 12.3 h |
Highs change by 0°F from July and -3°F into September.
Nearby alternatives in August
- Drier: St. Simons Island, GA155 mi · high 90°F · 13 wet days
How Deltona ranks in August
- Normal high98th warmest of 378 cities; 4th of 23 in Florida
- Wet days364th driest of 378
- Comfortable days273rd most of 341
What to pack for Deltona in August
- Light, breathable clothing – highs near 92°F and about 31 muggy days
- A rain jacket or umbrella – rain on about 18 days
Heating and cooling
August has 0 heating degree days and 560 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How hot is Deltona in August?
The normal high is 92°F and the normal low is 75°F. From 1991 to 2020 the hottest August reading was 100°F (most recently on August 1, 1999).
Does it rain a lot in Deltona in August?
About 18 days in August have at least 0.01 in of precipitation, and the normal total is 8.1 in. The wettest August in 1991-2020 was in 2008 (24.8 in); the driest was in 1993 (2.0 in).
Is August a good time to visit Deltona?
August ranks 12th of 12 months on our comfort score for Deltona (30 out of 100). It has almost no comfortable days and about 25 days at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Sanford (USC00087982), 6.0 mi S of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Orlando Sanford Airport (USW00012854), 8.4 mi S of the city center, 55 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Orlando Executive Airport (USW00012841), 25 mi S of the city center, 108 ft (76 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Orlando Sanford Airport (722057-12854), 8.4 mi S of the city center, 49 ft . Hourly observations, 1991-2020.