West Palm Beach, FL weather in August
In August, West Palm Beach sees highs around 90°F and lows around 77°F: hot and oppressively humid, with rain on most days. Rain falls on about 18 days. It is one of the warmest months in West Palm Beach. Plan outdoor time for mornings and evenings.
- Normal high
- 90°F
- Normal low
- 77°F
- Wet days
- 18
- 8.7 in total
- Muggy days
- 31
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 90°F | 89°F |
| Normal low | 77°F | 76°F |
| Chance of a wet day | 54% | 58% |
| Sunrise / sunset | 6:45 am / 8:08 pm | 6:59 am / 7:41 pm |
| Daylight | 13.4 h | 12.7 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 am78°Fdew point 74°F
- 9 am85°Fdew point 75°F
- Noon88°Fdew point 74°F
- 3 pm87°Fdew point 74°F
- 6 pm84°Fdew point 74°F
- 9 pm81°Fdew point 74°F
NOAA hourly normals (local standard time) from West Palm Beach Intl Airport (4 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph16 of 31
- Hot dayshigh 90°F or more22 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 8.7 in; a dry August brings about 5.7 in and a wet one about 10.6 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 92°F
- Coolest August1994: average high 88°F
- Wettest August2012: 22.7 in
- Driest August2000: 3.0 in
- Highest reading99°F (August 13, 2006)
- Lowest reading69°F (August 3, 1995)
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 | 90°F | 90°F | 88°F |
| Normal low | 76°F | 77°F | 76°F |
| Wet days | 15 | 18 | 17 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.6 h | 13.1 h | 12.3 h |
Highs change by 0°F from July and -2°F into September.
Nearby alternatives in August
- Drier: Daytona Beach, FL182 mi · high 90°F · 15 wet days
How West Palm Beach ranks in August
- Normal high132nd warmest of 378 cities; 20th of 23 in Florida
- Wet days367th driest of 378
- Comfortable days291st most of 341
What to pack for West Palm Beach in August
- Light, breathable clothing – highs near 90°F and about 31 muggy days
- A rain jacket or umbrella – rain on about 18 days
- A swimsuit – about 16 beach days
Heating and cooling
August has 0 heating degree days and 564 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is West Palm Beach in August?
The normal high is 90°F and the normal low is 77°F. From 1991 to 2020 the hottest August reading was 99°F (August 13, 2006).
Does it rain a lot in West Palm Beach in August?
About 18 days in August have at least 0.01 in of precipitation, and the normal total is 8.7 in. The wettest August in 1991-2020 was in 2012 (22.7 in); the driest was in 2000 (3.0 in).
Is August a good time to visit West Palm Beach?
August ranks 12th of 12 months on our comfort score for West Palm Beach (31 out of 100). It has almost no comfortable days and about 22 days at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain and humidity and wind by hour: West Palm Beach Intl Airport (USW00012844), 3.5 mi SW of the city center, 19 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Palm Beach Gardens (USC00086764), 9.7 mi NW of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Palm Beach International Airport (722030-12844), 3.5 mi SW of the city center, 11 ft . Hourly observations, 1991-2020.
- Not available for this location: snowfall, snow depth and cloud cover (no station close enough or similar enough in elevation).