Clearwater weather in May
May in Clearwater: sweltering, a little rain, with muggy air — fine if you can take sticky heat.
Updated September 2026 · climate normals from ERA5 reanalysis
#2 of 12 months in Clearwater · #157 of 1413 destinations to visit in May · comfort 90/100 (tier S)
- Days
- 30°C
- Nights
- 22°C
- Wet days
- 4
- Sun
- 11.8 h
- Humidity
- 75%
- Daylight
- 14 h

Traveller notes on Clearwater in May
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.
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.
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.
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.
Clearwater's forum calls March usually lovely beach weather, though winter isn't fully done with the Gulf coast yet — a cold front can still blow through and cool things off for a day or two. Regulars flag March as one of the area's busiest months as snowbirds and spring-break families both converge, so book well ahead and pack a warmer layer just in case.
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Clearwater climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Clearwater in May
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.
BusyMemorial Day weekend(estimated)
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).
Best weatherClearwater's weather peaks March–May, best around April.
May includes Sea turtle nesting.
Best weatherFair weatherToughest weather
What's on in Clearwater in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Nature
Sea turtle nesting
1 May – 31 OctLoggerheads 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 enoughThe 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.
- Holiday
Memorial Day weekend
23–25 MayNational holidayCrowdedBook earlyMemorial Day, the last Monday of May, opens the summer travel season: over the long weekend campsites and lodging book out, roads are slow, and parking at the most popular spots fills early in the day. Source ↗
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?
Clearwater in May — FAQ
- Is May a good time to visit Clearwater?
- May in Clearwater: sweltering, a little rain, with muggy air — fine if you can take sticky heat. It ranks #2 of 12 months for Clearwater on SeasonMap's comfort score (90/100).
- What is the weather like in Clearwater in May?
- In May, Clearwater averages a daily high of 30.1°C and a low of 22.1°C, with about 64.9 mm of rain over roughly 4 rainy days.
- What is the air quality in Clearwater in May?
- Clearwater has a mean US Air Quality Index of about 53 in May.
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.