Fort Pierce weather in August: Fort Pierce, Florida: normal highs, lows, rain and records for August

Fort Pierce in August has a normal high of 90°F and a normal low of 73°F, a daily mean of 82°F, holding near 90°F all month. Measurable precipitation falls on 15 days in a normal August, 6.94 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 23°C, 176 mm of precipitation in August.

  • NOAA stationFort Pierce St Lucie County International Airport
  • Station IDUSW00012895
  • Location27.50°N 80.38°W
  • Elevation24 ft (7 m)
  • From the center5 miles
  • Population50,805
  1. Jan 73° 51°
  2. Feb 76° 54°
  3. Mar 78° 57°
  4. Apr 82° 61°
  5. May 86° 67°
  6. Jun 89° 71°
  7. Jul 90° 73°
  8. Aug 90° 73°
  9. Sep 88° 73°
  10. Oct 84° 69°
  11. Nov 79° 61°
  12. Dec 75° 56°

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

How warm is Fort Pierce in August?

The normal high is 90°F and the normal low 73°F, for a daily mean of 81.6°F. August is 0.2°F warmer than July and 1.3°F warmer than September. August is the warmest month of the year in Fort Pierce and the wettest. Across the month the normal high falls 2°F, from 91°F on August 1 to 89°F on August 31. From one year to the next August's mean temperature typically moves about 0.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 81°F and 83°F.

Fort Pierce 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 51%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 191°F73°F49%31%
August 891°F73°F49%31%
August 1590°F73°F49%31%
August 2290°F73°F50%31%
August 3189°F73°F51%32%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 1)
Fort Pierce: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 191°F73°F49%31%13 h 30 min
August 291°F73°F49%31%13 h 30 min
August 391°F73°F49%31%13 h 20 min
August 491°F73°F49%31%13 h 20 min
August 591°F73°F49%31%13 h 20 min
August 691°F73°F49%31%13 h 20 min
August 791°F73°F49%31%13 h 20 min
August 891°F73°F49%31%13 h 20 min
August 991°F73°F49%31%13 h 20 min
August 1091°F73°F49%31%13 h 20 min
August 1191°F73°F49%31%13 h 10 min
August 1290°F73°F49%31%13 h 10 min
August 1390°F73°F49%31%13 h 10 min
August 1490°F73°F49%31%13 h 10 min
August 1590°F73°F49%31%13 h 10 min
August 1690°F73°F49%31%13 h 10 min
August 1790°F73°F50%31%13 h 10 min
August 1890°F73°F50%31%13 h
August 1990°F73°F50%31%13 h
August 2090°F73°F50%31%13 h
August 2190°F73°F50%31%13 h
August 2290°F73°F50%31%13 h
August 2390°F73°F50%31%13 h
August 2490°F73°F51%31%13 h
August 2590°F73°F51%31%12 h 50 min
August 2690°F73°F51%31%12 h 50 min
August 2790°F73°F51%31%12 h 50 min
August 2890°F73°F51%32%12 h 50 min
August 2990°F73°F51%32%12 h 50 min
August 3090°F73°F51%32%12 h 50 min
August 3189°F73°F51%32%12 h 50 min
Normal high
90°FAugust average
Normal low
73°FAugust average
Precipitation
6.94 inmonth total
Days with precipitation
150.01 inch or more
Days at 90°F or more
19
Daylight
13 h 30 min to 12 h 50 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
79%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012895; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Fort Pierce in August?

On a given August day the chance of 0.01 inch or more is 50% on average, highest around August 31 (51%). In all, 6.94 in falls on 15 days of a normal August, 2 of them with an inch or more.

In a normal August in Fort Pierce, 19 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012895.

What are the records for August in Fort Pierce?

The warmest August temperature on Fort Pierce's official record (since 1901) is 101°F, on August 5, 1920; the coldest is 61°F, on August 28, 1997. The wettest August brought 17.66 in (1995).

The August mean against the 1991-2020 normal of 81.6°F: 2021 82.1°F (+0.5), 2022 82.4°F (+0.8), 2023 83.9°F (+2.3), 2024 83.3°F (+1.7), 2025 82.8°F (+1.2), 2026 83.2°F (+1.6). 6 of 6 ran warmer than normal.

Fort Pierce: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202182.1°F+0.5°F7.72 in
202282.4°F+0.8°F3.05 in
202383.9°F+2.3°F4.38 in
202483.3°F+1.7°F8.84 in
202582.8°F+1.2°F4.18 in
202683.2°F+1.6°F4.27 in

Source: records: ACIS, NWS threaded record FPRthr; recent months: ACIS, station USW00012895. Records and recent months use complete months only.

How does August in Fort Pierce 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; Fort Pierce's is 90°F.

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

Other months and places