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Late summer · Weather & things to do

Downtown St. Petersburg in August

The year's rain peaks now, with about 9.9 in (252 mm) falling in Downtown St. Petersburg, alongside highs near 87°F (31°C) and lows of 78°F (25°C).

With a comfort score of 41/100 (12th of 12), it's one of the toughest months, held back mainly by rain.

Downtown St. Petersburg, Florida, United States
Avg high
87°F (31°C)
Avg low
78°F (25°C)
Rain
9.9 in (252 mm)
Humidity
81%
Cloud cover
64%
Daylight
~12 h 59 min
Comfort score
41/100 · Tough

What August feels like

Heat sets the pace, with highs around 87°F (31°C). Get out early and keep the hottest hours for somewhere cool.

Even at night it stays warm, around 78°F (25°C).

Humidity averages 81%, so the air feels sticky and the heat feels stronger than the thermometer says.

It's a very wet month, with around 9.9 in (252 mm) of rain, so keep plans flexible and have indoor backups ready.

Downtown St. Petersburg: August compared with the months either side
JulyAugustSeptember
Avg high87°F31°C87°F31°C85°F29°C
Avg low77°F25°C78°F25°C75°F24°C
Rain9.4 in240 mm9.9 in252 mm7.3 in185 mm
Daylight13 h 36 min12 h 59 min12 h 09 min
Comfort434154

Plan around August

August is one of the lower-scoring months here; the best are November – April.

What to pack for August

What to do in Downtown St. Petersburg in August

Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.

Nearby in August

NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Downtown St. Petersburg in August: quick answers

Is August a good time to visit Downtown St. Petersburg?

It's one of the tougher months here, scoring 41/100, held back mainly by rain. The best months are November – April. Expect highs of 87°F (31°C) and 9.9 in (252 mm) of rain.

How hot is Downtown St. Petersburg in August?

Average highs are 87°F (31°C) and average lows 78°F (25°C), making it the 3rd-warmest month by daytime highs.

Does it rain a lot in Downtown St. Petersburg in August?

Yes: about 9.9 in (252 mm) of rain falls across August on average, the wettest month of the year. The annual total is about 56.7 in (1441 mm).

What should I pack for Downtown St. Petersburg in August?

Bring light, breathable clothes (87°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), refillable water bottle (easy to dehydrate in the heat), quick-dry fabrics (81% average humidity) and rain jacket and waterproof shoes (frequent rain).

Planning Downtown St. Petersburg in August?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

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