Fort Myers weather in August: Fort Myers, Florida: normal highs, lows, rain and records for August
Fort Myers in August has a normal high of 92°F and a normal low of 75°F, a daily mean of 83°F, holding near 92°F all month. Measurable precipitation falls on 18 days in a normal August, 10.43 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 24°C, 265 mm of precipitation in August.
- NOAA stationFort Myers Page Field Airport
- Station IDUSW00012835
- Location26.59°N 81.86°W
- Elevation15 ft (5 m)
- From the center3 miles
- Population99,918
- Jan 75° 54°
- Feb 78° 57°
- Mar 81° 60°
- Apr 85° 64°
- May 90° 69°
- Jun 91° 74°
- Jul 92° 75°
- Aug 92° 75°
- Sep 90° 74°
- Oct 87° 69°
- Nov 81° 62°
- Dec 77° 57°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Myers in August?
The normal high is 92°F and the normal low 75°F, for a daily mean of 83.4°F. August is 0.2°F warmer than July and 1.2°F warmer than September. August is the warmest month of the year in Fort Myers and the wettest. Across the month the normal high falls 1°F, from 92°F on August 1 to 91°F on August 31. From one year to the next August's mean temperature typically moves about 0.7°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 83°F and 84°F.
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 59%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 92°F | 75°F | 59% | 44% |
| August 8 | 92°F | 75°F | 59% | 44% |
| August 15 | 92°F | 75°F | 59% | 44% |
| August 22 | 92°F | 75°F | 59% | 43% |
| August 31 | 91°F | 75°F | 57% | 41% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 2 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 3 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 4 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 5 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 6 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 7 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 8 | 92°F | 75°F | 59% | 44% | 13 h 20 min |
| August 9 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 10 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 11 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 12 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 13 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 14 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 15 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 16 | 92°F | 75°F | 59% | 44% | 13 h 10 min |
| August 17 | 92°F | 75°F | 59% | 44% | 13 h |
| August 18 | 92°F | 75°F | 59% | 44% | 13 h |
| August 19 | 92°F | 75°F | 59% | 44% | 13 h |
| August 20 | 92°F | 75°F | 59% | 43% | 13 h |
| August 21 | 92°F | 75°F | 59% | 43% | 13 h |
| August 22 | 92°F | 75°F | 59% | 43% | 13 h |
| August 23 | 92°F | 75°F | 58% | 43% | 13 h |
| August 24 | 91°F | 75°F | 58% | 43% | 12 h 50 min |
| August 25 | 91°F | 75°F | 58% | 43% | 12 h 50 min |
| August 26 | 91°F | 75°F | 58% | 43% | 12 h 50 min |
| August 27 | 91°F | 75°F | 58% | 42% | 12 h 50 min |
| August 28 | 91°F | 75°F | 57% | 42% | 12 h 50 min |
| August 29 | 91°F | 75°F | 57% | 42% | 12 h 50 min |
| August 30 | 91°F | 75°F | 57% | 42% | 12 h 50 min |
| August 31 | 91°F | 75°F | 57% | 41% | 12 h 40 min |
- Normal high
- 92°FAugust average
- Normal low
- 75°FAugust average
- Precipitation
- 10.43 inmonth total
- Days with precipitation
- 180.01 inch or more
- Days at 90°F or more
- 25
- 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 USW00012835; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fort Myers in August?
On a given August day the chance of 0.01 inch or more is 59% on average, highest around August 1 (59%). In all, 10.43 in falls on 18 days of a normal August, 4 of them with an inch or more.
In a normal August in Fort Myers, 25 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012835.
How humid and windy is Fort Myers in August?
At 3 p.m. the normal temperature is 87°F with 63% relative humidity and a dew point of 73°F; at 6 a.m. it is 76°F with 93% humidity. The wind averages 6.1 mph, most often from the southwest in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 76°F | 74°F | 93% | 3.9 mph | 84% |
| 9 a.m. | 83°F | 75°F | 77% | 6.8 mph | 75% |
| noon | 88°F | 73°F | 62% | 8.0 mph | 42% |
| 3 p.m. | 87°F | 73°F | 63% | 9.0 mph | 42% |
| 6 p.m. | 83°F | 74°F | 73% | 7.4 mph | 58% |
| 9 p.m. | 79°F | 74°F | 84% | 5.0 mph | 72% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012835. 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 Fort Myers?
The warmest August temperature on Fort Myers's official record (since 1892) is 100°F, on August 4, 1942; the coldest is 65°F, on August 24, 1925. The wettest August brought 17.64 in (1932).
The August mean against the 1991-2020 normal of 83.4°F: 2021 84.0°F (+0.6), 2022 85.2°F (+1.8), 2023 85.9°F (+2.5), 2024 84.8°F (+1.4), 2025 84.8°F (+1.4), 2026 85.1°F (+1.7). 6 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 84.0°F | +0.6°F | 10.72 in |
| 2022 | 85.2°F | +1.8°F | 10.52 in |
| 2023 | 85.9°F | +2.5°F | 9.69 in |
| 2024 | 84.8°F | +1.4°F | 12.20 in |
| 2025 | 84.8°F | +1.4°F | 9.11 in |
| 2026 | 85.1°F | +1.7°F | 7.47 in |
Source: records: ACIS, NWS threaded record FMYthr; recent months: ACIS, station USW00012835. Records and recent months use complete months only.
How does August in Fort Myers 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 Myers's is 92°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.