Miami Beach weather in August: Miami Beach, Florida: normal highs, lows, rain and records for August
Miami Beach in August has a normal high of 88°F and a normal low of 78°F, a daily mean of 83°F, holding near 88°F all month. Measurable precipitation falls on 13 days in a normal August, 7.51 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 26°C, 191 mm of precipitation in August.
- NOAA stationMiami Beach
- Station IDUSW00092811
- Location25.81°N 80.13°W
- Elevation1 ft (0 m)
- From the center1 miles
- Population83,251
- Jan 74° 61°
- Feb 75° 63°
- Mar 77° 65°
- Apr 80° 70°
- May 83° 74°
- Jun 86° 77°
- Jul 88° 78°
- Aug 88° 78°
- Sep 87° 77°
- Oct 84° 74°
- Nov 79° 69°
- Dec 76° 65°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Miami Beach in August?
The normal high is 88°F and the normal low 78°F, for a daily mean of 83.1°F. August is 0.2°F warmer than July and 1.0°F warmer than September. August is the warmest month of the year in Miami Beach and the 3rd wettest. From one year to the next August's mean temperature typically moves about 0.6°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 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 88°F | 78°F | 41% | 29% |
| August 8 | 88°F | 78°F | 42% | 31% |
| August 15 | 88°F | 78°F | 43% | 32% |
| August 22 | 88°F | 78°F | 45% | 34% |
| August 31 | 88°F | 78°F | 47% | 35% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 5, coldest night August 29)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 88°F | 78°F | 41% | 29% | 13 h 20 min |
| August 2 | 88°F | 78°F | 41% | 29% | 13 h 20 min |
| August 3 | 88°F | 78°F | 41% | 30% | 13 h 20 min |
| August 4 | 88°F | 78°F | 41% | 30% | 13 h 20 min |
| August 5 | 88°F | 78°F | 41% | 30% | 13 h 20 min |
| August 6 | 88°F | 78°F | 41% | 30% | 13 h 20 min |
| August 7 | 88°F | 78°F | 42% | 30% | 13 h 10 min |
| August 8 | 88°F | 78°F | 42% | 31% | 13 h 10 min |
| August 9 | 88°F | 78°F | 42% | 31% | 13 h 10 min |
| August 10 | 88°F | 78°F | 42% | 31% | 13 h 10 min |
| August 11 | 88°F | 78°F | 42% | 31% | 13 h 10 min |
| August 12 | 88°F | 78°F | 42% | 31% | 13 h 10 min |
| August 13 | 88°F | 78°F | 42% | 32% | 13 h 10 min |
| August 14 | 88°F | 78°F | 43% | 32% | 13 h 10 min |
| August 15 | 88°F | 78°F | 43% | 32% | 13 h |
| August 16 | 88°F | 78°F | 43% | 32% | 13 h |
| August 17 | 88°F | 78°F | 43% | 33% | 13 h |
| August 18 | 88°F | 78°F | 44% | 33% | 13 h |
| August 19 | 88°F | 78°F | 44% | 33% | 13 h |
| August 20 | 88°F | 78°F | 44% | 34% | 13 h |
| August 21 | 88°F | 78°F | 45% | 34% | 13 h |
| August 22 | 88°F | 78°F | 45% | 34% | 13 h |
| August 23 | 88°F | 78°F | 45% | 34% | 12 h 50 min |
| August 24 | 88°F | 78°F | 45% | 34% | 12 h 50 min |
| August 25 | 88°F | 78°F | 46% | 35% | 12 h 50 min |
| August 26 | 88°F | 78°F | 46% | 35% | 12 h 50 min |
| August 27 | 88°F | 78°F | 46% | 35% | 12 h 50 min |
| August 28 | 88°F | 78°F | 46% | 35% | 12 h 50 min |
| August 29 | 88°F | 78°F | 46% | 35% | 12 h 50 min |
| August 30 | 88°F | 78°F | 47% | 35% | 12 h 40 min |
| August 31 | 88°F | 78°F | 47% | 35% | 12 h 40 min |
- Normal high
- 88°FAugust average
- Normal low
- 78°FAugust average
- Precipitation
- 7.51 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 11
- 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
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00092811; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Miami Beach in August?
On a given August day the chance of 0.01 inch or more is 43% on average, highest around August 31 (47%). In all, 7.51 in falls on 13 days of a normal August, 2 of them with an inch or more.
In a normal August in Miami Beach, 11 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00092811.
What are the records for August in Miami Beach?
The warmest August temperature on this station's record (since 1927) is 98°F, on August 15, 1956; the coldest is 67°F, on August 4, 1947. The wettest August brought 16.98 in (2017).
The August mean against the 1991-2020 normal of 83.1°F: 2021 84.2°F (+1.1). 1 of 1 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 84.2°F | +1.1°F | 5.68 in |
Source: records: ACIS, station USW00092811; recent months: ACIS, station USW00092811. Records and recent months use complete months only.
How does August in Miami 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; Miami Beach's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.