Tampa in August: Weather, Sea Temperature and Hurricane Season

TAMPA · AUGUST · 27.9° N

Tampa in August is a hot-weather trip with a water clause. NOAA’s 1991-2020 normals for the airport station put the average afternoon at 91.2°F and the overnight low at 76.8°F, with 9.03 inches of rain across the month, more than July’s 7.75 and September’s 6.09. Eleven of those days carry at least a tenth of an inch. None of it cancels a vacation, but it reorganizes the hours, pushing the outdoor part of the day to either end.

What the month gives back: the Gulf at 89.2°F in the marine record, 13 hours 10 minutes of daylight on the 15th, and a sunset at 8:09 p.m. that makes an after-dinner swim a normal thing to do. There is a calendar risk attached, since the second half of August sits inside the busiest stretch of the Atlantic hurricane season.

On this page

• Tampa weather in August91.2°F highs, 9.03 inches, 11.2 wet days
• Can you swim in the Gulf in August?Sea surface at 89.2°F
• What August adds to the room billThe 6% county lodging tax
• Things to do in Tampa in AugustHillsborough River, Little Manatee, Weeki Wachee
• Two days in Tampa, hour by hourThe August plan, built around a 6:59 a.m. sunrise
• August, July or September?How the three months compare on rain and water
• Is August a good time to visit Tampa?Who August suits, and who should shift dates
• When Florida is at its best overallThe twelve-month view

Every figure here comes from one thermometer and one marine model, each named where it is used: NOAA’s 1991-2020 normals for the Tampa airport station, and a ten-year marine average for the water. Neither describes the exact spot you will stand on, and a beach west of the gauge runs its own numbers on any given afternoon.

Tampa weather in August: average highs, lows and rain days

The normals here come from NOAA’s National Centers for Environmental Information, 1991-2020 period, station USW00012842, listed as TAMPA INTL AP. That is a real thermometer rather than a modeled grid cell, and it sits at Tampa International, inland on the bay side instead of on a beach. Read that way, August averages a 91.2°F afternoon high and a 76.8°F overnight low, with 9.03 inches of rain over the month.

Measurable rain falls 11.2 days in an average August at the 0.10-inch threshold, roughly one day in three, and 2.9 of those days deliver a full inch or more. Florida’s wet season runs its storms through the afternoon, as the state season calendar lays out, so a wet day is usually a two-hour interruption rather than a lost one. Morning plans survive August better than 3 p.m. plans, and an inch-plus day leaves standing water in low parking lots.

The gap between 91.2°F and 76.8°F is 14.4 degrees, and the low arrives shortly before dawn, so nothing in the suitcase needs to be warm. Pack for water instead: a rain shell light enough to wear at 80°F, a second pair of shoes, a dry bag for phones on any paddle, and more sunscreen than a week seems to need. The one layer you may actually want is for restaurant air conditioning.

August 15 gives 13 hours 10 minutes of daylight, sunrise at 6:59 a.m. and sunset at 8:09 p.m. Eastern, converted from the 10:59 and 00:09 UTC times published by sunrise-sunset.org. That leaves two usable outdoor windows, one before ten in the morning and one after six in the evening, with the hours in between better spent in water or in air conditioning.

Can you swim in Tampa in August? Sea temperature and what it feels like

The Gulf off Tampa averages 89.2°F in August in the Open-Meteo marine model, taken as the mean of daily maxima over 2015-2024. That changes how the number reads: it describes the warm end of each day, a shade above a 24-hour mean, and it comes from a model rather than from a buoy you could go look at. July runs warmer still at 89.9°F, September falls back to 87.2°F.

At 89.2°F the water sits about two degrees under the average afternoon air, so a swim does not cool you down. It simply puts something between you and the sun. Nobody edges in, and children stay in for as long as they are allowed. That is the practical argument for an August family week here. Bring a rash guard for the hours the water keeps you out in the open, because the surface gives no shade at all.

No monthly wave or wind record for this stretch of coast could be read, so no swell figure appears here. What is published is the hurricane calendar: NOAA’s National Hurricane Center runs the Atlantic season from June 1 to November 30, with most activity between mid-August and mid-October and the statistical peak on September 10. The back half of August is inside that window, which is a booking question before it is a swimming one.

How busy is Tampa in August? Crowds, prices and the demand peak

No monthly occupancy series or room-rate curve for Tampa could be read, so no month gets crowned cheapest or busiest here. What can be dated is the traffic at the airport you fly into: the FAA counted 12,075,591 passenger boardings at Tampa International in calendar year 2024, a large-hub total spread across all twelve months. August also sits inside the Atlantic hurricane season that NOAA runs from June 1 to November 30.

No lead-time data for Tampa hotels could be read either, so no number of weeks goes here. The rule that holds in a storm month is the refundable rate, even at a premium, for anything booked into the second half of August. If a cruise is attached to the trip, the date is fixed for you: Port Tampa Bay homeports eight vessels from five lines, so your flight and your sailing share a morning, and arriving the night before is our own advice rather than a published policy.

Hillsborough County levies a 6.0% transient rental tax on short stays, filed and paid alongside the 6% state sales tax, per the Florida Department of Revenue’s DR-15TDT schedule. That is 12% on every room night before a property adds its own resort fee or parking charge. Individual hotel fees could not be read, so budget the tax as a known cost and treat the rest as unknown until the confirmation lands.

Where paying more genuinely changes an August trip: the pool, the parking and the walk to dinner. A room with water on site converts the unusable 11-to-5 block into the best part of the day. Covered parking keeps a car from turning into an oven by noon. And a base you can leave on foot at seven lets you use the hour of daylight after that without driving. The same money spent on a bigger room changes nothing about the month.

Things to do in Tampa in August

August is the month when the water asks nothing of you. The Gulf at 89.2°F needs no acclimation, the spring parks an hour north hold their temperature whatever the calendar says, and light runs to 8:09 p.m. on the 15th, which puts a swim after dinner back on the table. What the month takes away is the middle of the day: between eleven and five, an outdoor plan is either wet or brief.

Three state parks on the rivers around Tampa are counted in the state’s own facilities inventory. Hillsborough River State Park lists 350 parking spaces, three canoe, kayak and tube launches and five miles of hiking trail. Alafia River State Park lists 50 spaces, one launch and 1.2 miles of trail. Little Manatee River State Park lists 109 spaces, one launch and 8.4 miles. Entrance fees and opening hours could not be read from the operators, so none is quoted: check them the night before you drive.

The springs hold their temperature all year, the air above them does not, and of the three months compared here August runs the hottest afternoons at 91.2°F. That gap is the whole case for driving north. Weeki Wachee Springs State Park counts 255 parking spaces and one designated swimming area, Ellie Schiller Homosassa Springs Wildlife State Park counts 197 spaces. In town, Ybor City Museum State Park keeps 311 feet of boardwalk, a short outdoor stop attached to an indoor one.

On what costs nothing this month, the same reserve applies: no fee schedule, free day or waiver for these parks could be read, and no amount is invented here. What is genuinely free either way is the last hour of daylight, which in mid-August runs to 8:09 p.m., and the Gulf itself.

Tampa in August: a two-day itinerary

Day one starts with the 6:59 a.m. sunrise, early enough that the first hour on a trail is the coolest of the day. Little Manatee River State Park has 8.4 miles of trail and 109 parking spaces, so arriving at seven settles both questions. Be under a roof by eleven. Give the afternoon to Ybor City Museum State Park and a long lunch, then put the Gulf swim at five, when the water is still 89.2°F and the sun is off the top of the sky. Dinner outdoors works until 8:09.

Day two drives north to the springs, where parking decides the hour: Weeki Wachee lists 255 spaces and one designated swimming area, Homosassa Springs 197. Leave Tampa by eight. If the sky turns, remember the shape of an August rain day, 11.2 of them at 0.10 inch or more and 2.9 above a full inch, which usually means one loud afternoon hour rather than a scrapped plan. The swap is a paddle at Hillsborough River State Park, three launches and 350 spaces, timed for the gap after the storm.

Tampa in August vs July and September

Across the three months the air barely moves: 91.0°F in July, 91.2 in August, 90.2 in September. Rain is where they separate. August takes 9.03 inches against July’s 7.75 and September’s 6.09, while the wet-day count at the 0.10-inch threshold runs 11.2, 11.2 and 8.2. The water follows its own curve in the marine model, 89.9°F in July down to 87.2°F in September.

Shifting four weeks later buys three fewer wet days and nearly three inches less rain, and costs 2.0°F of sea temperature. It also puts the trip on or near September 10, the statistical peak of the Atlantic season. Shifting four weeks earlier, into July, keeps the same 11.2 wet days and the warmest water of the three at 89.9°F, with 1.28 inches less rain. The later case is laid out in the September guide.

Is August a good time to visit Tampa?

Yes if the trip is built around water and evenings: swimmers, families with small children, anyone whose vacation improves when the sea reads 89.2°F and nobody hesitates at the edge. No if the plan involves midday walking, an itinerary too tight to absorb a two-hour storm, or a non-refundable booking for the second half of the month, when the hurricane window is wide open.

If that second list is yours, the answer is not the month next door. September trims rain to 6.09 inches and wet days to 8.2, then lands on the season’s peak date. Florida’s dry run is November through April, which is where the twelve-month view sends anyone with flexible dates, and it is a different Tampa: cooler water, shorter evenings, no swimming after dinner.

What August holds is narrow and real: a Gulf at 89.2°F, daylight to 8:09 p.m. on the 15th, and the 9.03 inches of rain that come with them.

The last word

Settle the refundable question first, then let the clock run the week: outdoors before ten, water after five, everything else under a roof. One number worth having before the drive north is Crystal River Preserve State Park’s 77 parking spaces, the smallest lot of the three spring parks the state lists within reach of Tampa, which argues for an early start or for Weeki Wachee’s 255 instead. And book the room with the pool. In a 91.2°F month you will use it more than the plan suggests.

Sources & data for this guide

• August normals: high 91.2°F, low 76.8°F, 9.03 in, 11.2 days at 0.10 in, 2.9 days at 1.00 in · NOAA NCEI monthly normals 1991-2020, station USW00012842 (Tampa International Airport) · checked Sep 14, 2026
• Station identity, “TAMPA INTL AP”, gauge at the airport rather than on a beach · NOAA NCEI Search service · checked Sep 14, 2026
• July and September normals (91.0/76.6/7.75 in and 90.2/75.3/6.09 in) · NOAA NCEI monthly normals 1991-2020, same station · checked Sep 14, 2026
• Sea surface 89.2°F in August, 89.9°F July, 87.2°F September, mean of daily maxima 2015-2024 · Open-Meteo Marine API · checked Sep 14, 2026
• Daylight 13h 10m on August 15, sunrise 6:59 a.m. and sunset 8:09 p.m. Eastern (10:59 and 00:09 UTC) · sunrise-sunset.org · checked Sep 14, 2026
• Atlantic hurricane season June 1 to November 30, peak September 10, most activity mid-August to mid-October · NOAA National Hurricane Center · checked Sep 14, 2026
• Hillsborough County 6.0% transient rental tax with the 6% state sales tax · Florida Department of Revenue, form DR-15TDT · checked Sep 14, 2026
• Park parking spaces, launches, trail miles and boardwalk feet · Florida Department of Environmental Protection, Recreational Facilities Inventory, 2024 annual report · checked Sep 14, 2026
• 12,075,591 passenger boardings at TPA in calendar year 2024, large hub · Federal Aviation Administration · checked Sep 14, 2026
• Eight vessels homeported from five cruise lines · Port Tampa Bay, cruise page · checked Sep 14, 2026
• What we could not read: bus and train fares, park entrance fees and opening hours. gohart.org returned 404, psta.net did not respond, tampaairport.com returned 403 · checked Sep 14, 2026. No fare or fee is invented on this page.