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

Melbourne in August has a normal high of 89°F and a normal low of 75°F, a daily mean of 82°F, holding near 89°F all month. Measurable precipitation falls on 15 days in a normal August, 6.67 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 24°C, 169 mm of precipitation in August.

  • NOAA stationMelbourne International Airport
  • Station IDUSW00012838
  • Location28.10°N 80.64°W
  • Elevation27 ft (8 m)
  • Population87,561
  1. Jan 72° 52°
  2. Feb 74° 54°
  3. Mar 77° 58°
  4. Apr 81° 63°
  5. May 85° 69°
  6. Jun 88° 73°
  7. Jul 90° 74°
  8. Aug 89° 75°
  9. Sep 88° 74°
  10. Oct 84° 69°
  11. Nov 77° 61°
  12. Dec 74° 56°

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

How warm is Melbourne in August?

The normal high is 89°F and the normal low 75°F, for a daily mean of 82.0°F. August is 0.3°F warmer than July and 1.4°F warmer than September. August is the warmest month of the year in Melbourne and the 3rd 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 1.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 81°F and 83°F.

Melbourne 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 50%).

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°F74°F47%32%
August 890°F75°F48%32%
August 1589°F75°F48%31%
August 2289°F75°F49%31%
August 3189°F75°F50%31%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 1)
Melbourne: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F74°F47%32%13 h 30 min
August 290°F74°F47%32%13 h 30 min
August 390°F74°F47%32%13 h 30 min
August 490°F74°F47%32%13 h 30 min
August 590°F74°F48%32%13 h 20 min
August 690°F74°F48%32%13 h 20 min
August 790°F75°F48%32%13 h 20 min
August 890°F75°F48%32%13 h 20 min
August 990°F75°F48%32%13 h 20 min
August 1090°F75°F48%32%13 h 20 min
August 1190°F75°F48%32%13 h 20 min
August 1290°F75°F48%32%13 h 10 min
August 1390°F75°F48%31%13 h 10 min
August 1489°F75°F48%31%13 h 10 min
August 1589°F75°F48%31%13 h 10 min
August 1689°F75°F48%31%13 h 10 min
August 1789°F75°F48%31%13 h 10 min
August 1889°F75°F48%31%13 h 10 min
August 1989°F75°F48%31%13 h
August 2089°F75°F48%31%13 h
August 2189°F75°F48%31%13 h
August 2289°F75°F49%31%13 h
August 2389°F75°F49%31%13 h
August 2489°F75°F49%31%13 h
August 2589°F75°F49%31%13 h
August 2689°F75°F49%31%12 h 50 min
August 2789°F75°F49%31%12 h 50 min
August 2889°F75°F49%31%12 h 50 min
August 2989°F75°F49%31%12 h 50 min
August 3089°F75°F50%31%12 h 50 min
August 3189°F75°F50%31%12 h 50 min
Normal high
89°FAugust average
Normal low
75°FAugust average
Precipitation
6.67 inmonth total
Days with precipitation
150.01 inch or more
Days at 90°F or more
18
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
81%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00012838; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Melbourne in August?

On a given August day the chance of 0.01 inch or more is 48% on average, highest around August 30 (50%). In all, 6.67 in falls on 15 days of a normal August, 2 of them with an inch or more.

In a normal August in Melbourne, 18 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012838.

How humid and windy is Melbourne 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 77°F with 90% humidity. The wind averages 8.0 mph, most often from the east 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.77°F74°F90%5.0 mph73%
9 a.m.84°F75°F75%8.1 mph54%
noon87°F74°F66%10.8 mph26%
3 p.m.86°F74°F68%11.7 mph35%
6 p.m.83°F74°F75%9.9 mph49%
9 p.m.80°F74°F81%7.2 mph67%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00012838. 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 Melbourne?

The warmest August temperature on Melbourne's official record (since 1937) is 101°F, on August 2, 1999; the coldest is 60°F, on August 7, 1983. The wettest August brought 21.06 in (2008).

The August mean against the 1991-2020 normal of 82.0°F: 2021 82.9°F (+0.9), 2022 83.5°F (+1.5), 2023 84.5°F (+2.5), 2024 83.3°F (+1.3), 2025 83.3°F (+1.3), 2026 84.2°F (+2.2). 6 of 6 ran warmer than normal.

Melbourne: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202182.9°F+0.9°F7.08 in
202283.5°F+1.5°F4.87 in
202384.5°F+2.5°F6.03 in
202483.3°F+1.3°F5.29 in
202583.3°F+1.3°F11.40 in
202684.2°F+2.2°F4.17 in

Source: records: ACIS, NWS threaded record MLBthr; recent months: ACIS, station USW00012838. Records and recent months use complete months only.

How does August in Melbourne 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; Melbourne's is 89°F.

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

Other months and places