Clearwater Beach sea temperature today: 31°C – beach water temperature, Clearwater Beach, United States
Interactive map
United States · Florida
Clearwater Beach
Sea
31.2°C88.2°F
Air
–
UV
–
Bathtub
Above ⁦28°C⁩

Last updated ·

Today, September 13, the sea temperature at Clearwater Beach is 31.2 °C (88 °F). That is 1.8 °C warmer than the usual 29.5 °C in September. Comfortable for swimming from February to December.

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Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in August (30.8°C). Coldest in January (16.6°C). Comfortable for swimming from February to December.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January14.9°C16.6°C17.9°C14.6°C15.4°C16.6°C
February17.1°C18.4°C19.8°C16.8°C17.8°C19.0°C
March20.3°C21.5°C22.6°C19.3°C20.3°C21.5°C
April23.4°C24.0°C24.9°C21.4°C22.6°C23.8°C
May26.7°C27.4°C28.1°C24.5°C25.6°C26.7°C
June28.8°C29.4°C30.0°C26.3°C27.3°C28.2°C
July29.8°C30.6°C31.2°C27.6°C28.3°C29.1°C
August30.2°C30.8°C31.6°C27.6°C28.4°C29.1°C
September28.9°C29.4°C30.0°C26.0°C27.1°C28.1°C
October24.5°C25.7°C26.9°C22.9°C24.1°C25.5°C
November20.8°C22.0°C23.2°C19.5°C20.6°C21.9°C
December17.5°C19.1°C20.4°C17.1°C18.0°C19.4°C

About Clearwater Beach

Clearwater Beach sits on a Gulf of Mexico barrier island off Florida's west coast, anchored by Pier 60, a 350-metre fishing pier that has hosted the nightly Sunsets at Pier 60 festival of buskers and artisans since 1995. South across Sand Key Bridge, Sand Key Beach runs longer and quieter through a state park section, while Caladesi Island Beach lies boat-access only to the north – five kilometres of unspoiled wild sand. Sea temperatures climb to 29–31 °C84–88 °F from July through September, with Tampa International airport 40 minutes by road.

Frequently asked questions

Today, September 13, the sea at Clearwater Beach is 31.2 °C (88 °F)88 °F (31.2 °C) – bathtub-warm. The usual September average is 29.5 °C85 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Clearwater Beach is 31.2 °C88 °F.

In May the sea at Clearwater Beach (Florida, United States) averages 27.4 °C81 °F – ideal for swimming for most people. It keeps warming until August, when it peaks at 30.8 °C87 °F.

In October the sea at Clearwater Beach (Florida, United States) still averages 25.7 °C78 °F – ideal for swimming for most people. It peaks in August at 30.8 °C87 °F and cools slowly from there.