Clearwater weather in August

August in Clearwater: sweltering, soaked, with clean air — fine if you can take 15 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Clearwater🇺🇸 United States · Florida · Beach74
  1. 70Jan
  2. 81Feb
  3. 89Mar
  4. 91Apr
  5. 90May
  6. 79Jun
  7. 72Jul
  8. 74Aug
  9. 80Sep
  10. 86Oct
  11. 83Nov
  12. 73Dec

#9 of 12 months in Clearwater · #836 of 1413 destinations to visit in August · comfort 74/100 (tier B)

Days
33°C
Nights
26°C
Wet days
15
Sun
10.4 h
Humidity
81%
Daylight
13 h
Clearwater, United States
Photo: Lalada . · Pexels

Traveller notes on Clearwater in August

Notes from nearby Tampa (34 km away)

Clearwater doesn't have its own notes for August yet — these are about Tampa, close enough to share the season.

Forum posters consistently describe August as about as hot as Tampa gets, with daytime temperatures in the low-to-mid 90sF, high humidity, and a good chance of an afternoon shower - posters put the daily rain odds around 50%, typically a brief downpour later in the day rather than an all-day soak. Posters flag that hurricane season technically runs June through November but really kicks into gear closer to September, meaning August visitors should stay aware without necessarily expecting direct impact. Posters describe late August specifically as a quiet stretch along the beaches, aside from the Labor Day weekend crowd. Posters generally rate August as hot and humid but manageable, with the predictable afternoon shower pattern making it easy to plan indoor and outdoor time around.
Tripadvisor community · August · 1 month ago · about Tampa · Read more on Tripadvisor ↗

Other months in Clearwater

Regulars are specific this remains genuinely within hurricane season, a real tropical storm risk still capable of disrupting travel plans even this late in the year. Our row backs that hot, genuinely wet read, 29.4C reading as a scorching 32C, over 22.3C nights feeling 23C, with a substantial 96.6mm of rain across 6.3 days and humidity at 77 percent. Regulars are consistent daytime temperatures commonly land in the mid-to-upper 80s Fahrenheit, humidity noticeably lower than the peak of summer, the water itself cooled from its 85F high but still genuinely pleasant for swimming. The sea sits at a warm, swimmable 25.7C. The record: 9.7 hours of sun, a 25.7 kph wind and AQI 41.
StillHurricaneSeasonRealRiskRemains · October · 1 month ago · Read more on Tripadvisor ↗
One regular reports the gulf at 77F for the first week of May; our column gives 27.2C, which is 81F, so as usual the monthly figure describes the back half rather than the front. Either way it is swimming water. Air is 30.1C reading as 34C at 75 percent humidity over 22.1C nights, with a 24.4 kph sea breeze that is most of the reason the beach is bearable at midday. Rain has not yet turned on, 64.9mm across 4 days, with 11.8 hours of sun. The standing advice on this board has nothing to do with weather: check the red tide report before you travel, because a bloom brings sore throats and itchy eyes and moves week to week. The record: AQI 53.
SeventySevenInTheFirstWeek · May · 1 month ago · Read more on Tripadvisor ↗
April is the month Clearwater-forum regulars name as their favourite: warmed up but not yet the summer mugginess, highs in the low 80s F, lows in the mid 60s, and not usually a wet month. The water is the split decision - averaging about 73F, which visitors from further north find fine and locals still call chilly. The cost is company: snowbirds and spring families overlap, prices run high and hotels book early. Red tide is the wildcard nobody can promise on; it varies year to year, and when it is around the wave action puts toxins into the air, which matters most if you have a chronic respiratory condition. The record: 27.5C days feeling like 30C, 19.1C nights, 4.2 precipitation days, 11.1 hours of sun, a 25.4C Gulf and a 26.5 kph breeze.
SnowbirdSeasonEnd · April · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe September as genuinely pleasant compared to the peak heat of June-August, with a typical day starting sunny, clouding over for an hour or two of afternoon rain, then clearing back up - a fully rained-out day is called rare. Warm, clear water is a consistent draw this time of year, conditions permitting. On hurricane season: posters are unbothered, saying the odds of a storm actually disrupting a given visit are firmly in the visitor's favor, though September/October is flagged as the stretch where a tropical storm (short of a full hurricane) is most plausible. Overall it's described as a genuinely favorable, popular time to visit despite technically being hurricane season.
Tripadvisor community · September · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Clearwater's card on the map.

Clearwater climate normals — August

Daytime high33°C / 91°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)39°C / 102°F
Sea temperature32°C / 90°F♨️ bath-warm
Rainfall201 mm / 7.9 in⛈ soaked
Rainy days15 days
Humidity81%💦 very humid
Dew point24°C / 76°F
Sunshine10.4 h/day
Daylight13.1 h
Wind21 km/h / 13 mph
Air quality (US AQI)46🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Clearwater in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusySummer break in United States, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Clearwater's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherClearwater's weather peaks March–May, best around April.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Clearwater in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Sea turtle nesting

    1 May – 31 Oct

    Loggerheads nest along the Pinellas beaches from May to the end of October, with hatchlings from midsummer. Beachfront lights are shaded or switched off at night for the duration, which is why the sea front goes dim after dark.

  • Season

    Gulf warm enough to swim

    1 May – 15 NovSea warm enough

    The shallow Gulf shelf warms early and holds it late, so the water is comfortable from May into November and bathlike by August. January and February are the two months you would want a wetsuit.

  • Hazard

    Atlantic hurricane season

    1 Jun – 30 Nov

    Officially June to November, with the dangerous weeks from mid-August to early October. Storm surge is the real risk on this low barrier coast, as Helene and Milton showed in 2024, and evacuation orders come by zone. Source ↗

  • Hazard

    Red tide

    1 Aug – 28 Feb · usually

    Blooms drift in most often from late summer into winter, killing fish and putting an irritant in the air that makes the beach unpleasant within minutes. It is patchy and moves with the wind, so the county posts beach-by-beach status daily. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Clearwater — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Clearwater?

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Clearwater in August — FAQ

Is August a good time to visit Clearwater?
August in Clearwater: sweltering, soaked, with clean air — fine if you can take 15 rainy days. It ranks #9 of 12 months for Clearwater on SeasonMap's comfort score (74/100).
What is the weather like in Clearwater in August?
In August, Clearwater averages a daily high of 32.7°C and a low of 25.6°C, with about 200.8 mm of rain over roughly 14.5 rainy days.
What is the air quality in Clearwater in August?
Clearwater has a mean US Air Quality Index of about 46 in August.

Within 300 km: Sarasota's Sea turtle nesting on 1 May – 31 Oct, and Naples, Florida's Sea turtle nesting on 1 May – 31 Oct.