West Palm Beach weather in August: West Palm Beach, Florida: normal highs, lows, rain and records for August

West Palm Beach in August has a normal high of 90°F and a normal low of 77°F, a daily mean of 83°F, holding near 90°F all month. Measurable precipitation falls on 18 days in a normal August, 8.68 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 25°C, 220 mm of precipitation in August.

  • NOAA stationDonald J. Trump International Airport
  • Station IDUSW00012844
  • Location26.68°N 80.10°W
  • Elevation19 ft (6 m)
  • From the center5 miles
  • Population127,744
  1. Jan 75° 58°
  2. Feb 77° 60°
  3. Mar 79° 63°
  4. Apr 82° 68°
  5. May 86° 72°
  6. Jun 88° 75°
  7. Jul 90° 76°
  8. Aug 90° 77°
  9. Sep 88° 76°
  10. Oct 85° 73°
  11. Nov 80° 66°
  12. Dec 77° 62°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is West Palm Beach in August?

The normal high is 90°F and the normal low 77°F, for a daily mean of 83.2°F. August is 0.1°F warmer than July and 1.3°F warmer than September. August is the warmest month of the year in West Palm Beach and the wettest. Across the month the normal high falls 1°F, from 90°F on August 1 to 89°F on August 31. From one year to the next August's mean temperature typically moves about 1.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 84°F.

West Palm Beach in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 58%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 190°F77°F53%34%
August 890°F77°F55%36%
August 1590°F77°F56%37%
August 2290°F77°F58%39%
August 3189°F76°F58%38%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 30)
West Palm Beach: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F77°F53%34%13 h 20 min
August 290°F77°F53%34%13 h 20 min
August 390°F77°F54%35%13 h 20 min
August 490°F77°F54%35%13 h 20 min
August 590°F77°F54%35%13 h 20 min
August 690°F77°F54%35%13 h 20 min
August 790°F77°F54%36%13 h 20 min
August 890°F77°F55%36%13 h 20 min
August 990°F77°F55%36%13 h 10 min
August 1090°F77°F55%36%13 h 10 min
August 1190°F77°F55%36%13 h 10 min
August 1290°F77°F56%37%13 h 10 min
August 1390°F77°F56%37%13 h 10 min
August 1490°F77°F56%37%13 h 10 min
August 1590°F77°F56%37%13 h 10 min
August 1690°F77°F56%38%13 h 10 min
August 1790°F77°F57%38%13 h
August 1890°F77°F57%38%13 h
August 1990°F77°F57%38%13 h
August 2090°F77°F57%38%13 h
August 2190°F77°F57%39%13 h
August 2290°F77°F58%39%13 h
August 2390°F76°F58%39%13 h
August 2490°F76°F58%39%12 h 50 min
August 2589°F76°F58%39%12 h 50 min
August 2689°F76°F58%39%12 h 50 min
August 2789°F76°F58%39%12 h 50 min
August 2889°F76°F58%39%12 h 50 min
August 2989°F76°F58%39%12 h 50 min
August 3089°F76°F58%39%12 h 50 min
August 3189°F76°F58%38%12 h 40 min
Normal high
90°FAugust average
Normal low
77°FAugust average
Precipitation
8.68 inmonth total
Days with precipitation
180.01 inch or more
Days at 90°F or more
22
Daylight
13 h 20 min to 12 h 40 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
76%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012844; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in West Palm Beach in August?

On a given August day the chance of 0.01 inch or more is 56% on average, highest around August 26 (58%). In all, 8.68 in falls on 18 days of a normal August, 3 of them with an inch or more.

In a normal August in West Palm Beach, 22 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012844.

How humid and windy is West Palm Beach in August?

At 3 p.m. the normal temperature is 86°F with 68% relative humidity and a dew point of 74°F; at 6 a.m. it is 78°F with 88% humidity. The wind averages 7.9 mph, most often from the east-southeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.78°F74°F88%4.7 mph–
9 a.m.84°F75°F74%8.3 mph–
noon87°F74°F66%11.1 mph–
3 p.m.86°F74°F68%11.7 mph–
6 p.m.83°F74°F74%9.4 mph–
9 p.m.81°F74°F80%7.1 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00012844. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in West Palm Beach?

The warmest August temperature on West Palm Beach's official record (since 1888) is 99°F, on August 25, 1924; the coldest is 65°F, on August 3, 1920. The wettest August brought 22.66 in (2012).

The August mean against the 1991-2020 normal of 83.2°F: 2021 84.5°F (+1.3), 2022 85.6°F (+2.4), 2023 85.3°F (+2.1), 2024 84.8°F (+1.6), 2025 85.6°F (+2.4), 2026 85.3°F (+2.1). 6 of 6 ran warmer than normal.

West Palm Beach: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202184.5°F+1.3°F9.90 in
202285.6°F+2.4°F3.12 in
202385.3°F+2.1°F5.67 in
202484.8°F+1.6°F8.72 in
202585.6°F+2.4°F6.86 in
202685.3°F+2.1°F4.31 in

Source: records: ACIS, NWS threaded record PBIthr; recent months: ACIS, station USW00012844. Records and recent months use complete months only.

How does August in West Palm Beach compare across Florida?

Across the 106 places PlainClimate covers in Florida, August normal highs run from 88°F in Palm Coast to 94°F in Plant City; West Palm Beach's is 90°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places