Miami Weather in August
Average highs run from 99°F on August 1 to 98°F on August 31, and lows from 72°F to 70°F. Normal precipitation for the month is 2.56 in over about 9 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 98°F
- Average low
- 71°F
- Precipitation
- 2.56 in
- Record high
- 118°FAug 4, 1975
- Record low
- 52°FAug 30, 1910
- Chance of a freeze
- 0%
- Days of 90°F or more
- 27.9
- Daylight
- 13 h 47 min to 12 h 53 min
- Cloud cover
- 50%
- Humidity
- 42%
- Dew point
- 56°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 99°F | 72°F | 116°F 1972 | 62°F 1950 | 27% |
| Aug 2 | 99°F | 72°F | 113°F 1934 | 66°F 1928 | 27% |
| Aug 3 | 99°F | 72°F | 116°F 1969 | 63°F 1976 | 27% |
| Aug 4 | 99°F | 72°F | 118°F 1975 | 64°F 1976 | 28% |
| Aug 5 | 99°F | 72°F | 115°F 1969 | 53°F 1926 | 28% |
| Aug 6 | 98°F | 72°F | 114°F 1947 | 61°F 1926 | 28% |
| Aug 7 | 98°F | 71°F | 115°F 1970 | 61°F 1926 | 28% |
| Aug 8 | 98°F | 71°F | 113°F 1940 | 64°F 1976 | 28% |
| Aug 9 | 98°F | 71°F | 112°F 1915 | 65°F 1941 | 28% |
| Aug 10 | 98°F | 71°F | 115°F 2003 | 60°F 1949 | 28% |
| Aug 11 | 98°F | 71°F | 112°F 1933 | 58°F 1949 | 28% |
| Aug 12 | 98°F | 71°F | 113°F 1937 | 60°F 1949 | 28% |
| Aug 13 | 98°F | 71°F | 113°F 1962 | 61°F 1949 | 28% |
| Aug 14 | 98°F | 71°F | 112°F 1962 | 60°F 1968 | 28% |
| Aug 15 | 98°F | 71°F | 110°F 1962 | 55°F 1968 | 28% |
| Aug 16 | 98°F | 71°F | 110°F 1934 | 55°F 1968 | 28% |
| Aug 17 | 98°F | 71°F | 112°F 1953 | 60°F 1949 | 28% |
| Aug 18 | 98°F | 71°F | 112°F 1953 | 56°F 1938 | 28% |
| Aug 19 | 98°F | 71°F | 113°F 1915 | 59°F 1949 | 27% |
| Aug 20 | 98°F | 71°F | 118°F 1982 | 60°F 1917 | 27% |
| Aug 21 | 98°F | 71°F | 115°F 1969 | 60°F 1979 | 27% |
| Aug 22 | 98°F | 71°F | 114°F 1969 | 59°F 1968 | 27% |
| Aug 23 | 98°F | 71°F | 113°F 1969 | 54°F 1968 | 26% |
| Aug 24 | 98°F | 71°F | 116°F 1985 | 57°F 1968 | 26% |
| Aug 25 | 98°F | 70°F | 112°F 1985 | 58°F 1968 | 26% |
| Aug 26 | 98°F | 70°F | 113°F 1981 | 64°F 1926 | 25% |
| Aug 27 | 98°F | 70°F | 113°F 1981 | 60°F 1940 | 25% |
| Aug 28 | 98°F | 70°F | 115°F 1948 | 58°F 1940 | 25% |
| Aug 29 | 98°F | 70°F | 116°F 1948 | 54°F 1910 | 24% |
| Aug 30 | 98°F | 70°F | 112°F 1984 | 52°F 1910 | 24% |
| Aug 31 | 98°F | 70°F | 113°F 1950 | 54°F 1910 | 23% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- August 1
- sunrise 5:36 AM, sunset 7:23 PM
- August 31
- sunrise 5:57 AM, sunset 6:50 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00025512 (Miami), public domain. Records: NOAA GHCN-Daily, station USC00023027, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.