Climateby Month

Palm Bay, FL weather in August

NOAA 1991-2020 normals and daily records · Palm Bay all year

August in Palm Bay: hot and oppressively humid, with rain on most days. Highs 91°F, lows 73°F, rain on about 16 days. This is the peak of the warm season in Palm Bay. Midday heat is the main thing to plan around.

Normal high
91°F
Normal low
73°F
Wet days
16
7.5 in total
Muggy days
31
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high91°F90°F
Normal low73°F74°F
Chance of a wet day48%51%
Sunrise / sunset6:44 am / 8:12 pm7:00 am / 7:44 pm
Daylight13.5 h12.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical August day

  1. 6 am76°Fdew point 74°F
  2. 9 am84°Fdew point 75°F
  3. Noon88°Fdew point 75°F
  4. 3 pm86°Fdew point 75°F
  5. 6 pm83°Fdew point 74°F
  6. 9 pm80°Fdew point 74°F

NOAA hourly normals (local standard time) from Melbourne Intl Airport (5 mi away); average wind 7 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 30%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph17 of 31
  • Hot dayshigh 90°F or more21 of 31
  • Muggy daysdaily mean dew point 65°F or more31 of 31
  • Wet daysat least 0.01 in of rain or melted snow16 of 31
  • Notable rainat least 0.10 in11 of 31
  • Freezing nightslow 32°F or below0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 7.5 in; a dry August brings about 5.5 in and a wet one about 8.2 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 2 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202011: average high 93°F
  • Coolest August1994: average high 89°F
  • Wettest August2008: 26.9 in
  • Driest August2007: 1.3 in
  • Highest reading101°F (August 2, 1999)
  • Lowest reading67°F (August 28, 1997)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high91°F91°F89°F
Normal low73°F73°F73°F
Wet days141615
Comfortable days000
Daylight13.7 h13.1 h12.3 h

Highs change by 0°F from July and -2°F into September.

How Palm Bay ranks in August

  • Normal high118th warmest of 378 cities; 13th of 23 in Florida
  • Wet days358th driest of 378
  • Comfortable days283rd most of 341

What to pack for Palm Bay in August

  • Light, breathable clothing – highs near 91°F and about 31 muggy days
  • A rain jacket or umbrella – rain on about 16 days
  • A swimsuit – about 17 beach days

Heating and cooling

August has 0 heating degree days and 529 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How hot is Palm Bay in August?

The normal high is 91°F and the normal low is 73°F. From 1991 to 2020 the hottest August reading was 101°F (August 2, 1999).

Does it rain a lot in Palm Bay in August?

About 16 days in August have at least 0.01 in of precipitation, and the normal total is 7.5 in. The wettest August in 1991-2020 was in 2008 (26.9 in); the driest was in 2007 (1.3 in).

Is August a good time to visit Palm Bay?

August ranks 12th of 12 months on our comfort score for Palm Bay (33 out of 100). It has almost no comfortable days and about 21 days at 90°F or hotter. The best months are January, February and March.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Melbourne WFO (USC00085612), 6.8 mi NW of the city center, 35 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Melbourne Intl Airport (USW00012838), 5.3 mi NNW of the city center, 22 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Melbourne Intl Airport (722040-12838), 5.4 mi NNW of the city center, 22 ft . Hourly observations, 1991-2020.