Clearwater in January: Weather, Sea Temperature, Crowds and What to Do

CLEARWATER · JANUARY · 27.9° N

Clearwater’s January averages a high of 70.6°F and a low of 52.5°F, with 2.62 inches of rain falling across four or five wet days. That is the frame a winter week here is built on: shirtsleeve afternoons on the sand, a fleece by six, and a Gulf sitting at 61.7°F while the air behaves like a northern spring.

The water is where the month charges you. At 61.7°F the Gulf runs 3.8°F below December’s average and 3.5°F below February’s, so a January beach day is a walking day with a short plunge in it. Everything else the month gives, from empty trail miles to a sunset you can reach before dinner, comes cheap. Florida’s wider 12-month curve lives in the state calendar.

On this page

• Clearwater weather in January70.6°F highs, 4.5 wet days, 10h 36m of light
• Can you swim in January?The Gulf at 61.7°F
• Crowds and hotel taxesThe 12% added to your nightly rate
• Things to do in JanuaryHoneymoon Island, Caladesi and Anclote Key
• A two-day itineraryTwo days built around a 5:58 pm sunset
• January, December or February?How the three months compare
• Is January a good month to visit?Who should book it and who should shift

Clearwater’s beach areas, its car needs and the cost of a full week don’t move with the calendar, so they sit in the where-to-stay guide, getting around Florida and what a Florida trip costs. Florida’s dry season runs November through April, and January sits square in the middle of it.

Clearwater weather in January: average highs, lows and rain days

The normals above come from one thermometer rather than a grid cell: NOAA station USW00012873, listed as St Petersburg Intl AP. That gauge sits at PIE, between St. Petersburg and Clearwater, on the bay side rather than the Gulf. Clearwater Beach gets a sea breeze the runway never feels, so the gap between airport and shoreline falls on the afternoon maximum and barely touches the 52.5°F overnight low. Read 70.6°F as an airport figure, not a beach-towel one.

Rain arrives on 4.5 days in an average January, counting anything from a tenth of an inch upward: roughly one day in seven. A soaking of an inch or more shows up on 0.6 day, which is about three Januarys in five. The other 26 days record less than a tenth of an inch, so 2.62 inches for the month threatens a two-day beach plan far less than the total sounds.

The 18.1°F swing between afternoon and dawn is the part visitors underpack for. A 7:30 am walk on the sand happens near 52.5°F with wind off the water, and dinner outdoors after six happens in the same range. Pack a fleece and long pants alongside the swimsuit, plus something windproof for the boardwalks. Nothing here calls for a winter coat, and nothing here forgives a suitcase of shorts only.

On January 15 the sun rises at 7:22 am and sets at 5:58 pm local time: 10 hours and 36 minutes of daylight, and full dark by around 6:30. Build the beach into the 1 pm to 4 pm block, when the air is closest to its 70.6°F norm, and accept that the day ends while a summer visitor would still be swimming.

Can you swim in Clearwater in January? Sea temperature and swimming conditions

The Gulf off Clearwater averages 61.7°F in January, from the Open-Meteo Marine series over 2015 to 2024. One caveat travels with that figure: it is the mean of daily maxima, so it runs a shade warmer than a 24-hour average. The water you meet at eight in the morning sits under 61.7°F, and the number describes the warmest part of the water’s own day rather than the whole of it.

In practice that puts the sea about nine degrees below the air’s afternoon norm. Wading is fine, a swim is a plunge measured in minutes, and children go in and out rather than staying in. Honeymoon Island State Park has exactly 1 designated swimming area in the state’s own count, with 2,021 parking spaces to feed it. Anyone planning laps or an hour of floating should bring a wetsuit top or shift the trip.

We hold no wind or wave series for the Gulf off Clearwater in January, so no swell height or windspeed appears here rather than a guess. What the record does show is that the cool water and the sea breeze arrive together, which is why the shoreline reads cooler on an afternoon than the 70.6°F measured inland at the airport.

How busy is Clearwater in January? Crowds and hotel prices

January falls inside Florida’s dry season, the stretch that fills the Gulf coast with winter visitors. Putting a rank on the month’s room rates would take an occupancy or rate series for Pinellas County, and we hold none, so no month-by-month price ordering is claimed here. One scale marker does exist: Clearwater’s own airport, PIE, boarded 1,228,048 passengers in calendar year 2024, a total the FAA classes as a small hub. That is the whole year, not this month.

Without that rate series, no lead time in weeks gets published here either. Two January-specific facts should still shape the booking. Refundable rates are worth their premium when 4.5 days of the month collect measurable rain and none of them can be scheduled. And the ferry day to Caladesi Island is decided before you leave the hotel, because the state counts no parking there at all: it is a boat crossing or nothing.

On the bill, Pinellas County levies a 6.0% transient rental tax on every night booked, collected alongside the 6% state sales tax. That is 12% on top of the nightly rate you were quoted. A resort fee, where a property charges one, sits outside that 12%: the hotel sets it itself and it is not a tax, so ask for the all-in nightly figure before you compare two quotes.

If one upgrade is worth paying for in January, it is a room on the Gulf side rather than the bay side. With the sun gone at 5:58 pm and the warm block of the day only three hours long, a west-facing base means you walk to the water at one o’clock and watch the light go from the same address, instead of spending the day’s last warm half-hour in a car.

Things to do in Clearwater in January: Honeymoon Island, Caladesi and Anclote Key

January hands you the trails. An afternoon that stops at 70.6°F is the coolest of the three winter months, and it turns hiking miles that sweat in July into a midday stroll. This is the month for covering ground on foot at one in the afternoon, the exact hour a summer visitor spends in the water or under an umbrella.

Three state parks carry the month, and Florida’s 2024 facilities inventory counts them precisely. Honeymoon Island holds 4 miles of beach, 3.4 miles of hiking trail, 1,671 feet of boardwalk, 1 designated swimming area and 2,021 parking spaces, the largest count of any state park in that inventory. Caladesi Island has 3 miles of beach, 2.5 miles of trail, 1 canoe, kayak and tube launch, and zero parking spaces. Anclote Key Preserve adds 6.7 miles of beach and 1,408 feet of boardwalk, also with no lot.

January changes the air at those places, not the geography. Caladesi’s 3 miles and Anclote’s 6.7 stay reachable only by ferry or your own boat all year; what shifts is that the crossing happens under a 70.6°F sky and the return has to beat a 5:58 pm sunset. Honeymoon’s 2,021 spaces are the reason it absorbs a clear Saturday that an island served by boats cannot.

On what any of it costs: we could not read the parks’ fee and hours pages, which either refuse machine reads or render only in a browser, so no entrance amount and no opening time is printed here. The state’s inventory counts facilities rather than tickets. Once you are through a gate, the 1,671 feet of boardwalk at Honeymoon and the 1,408 at Anclote Key ask nothing further.

Clearwater in January: a two-day itinerary

Day one, drive to Honeymoon Island for about 9 am, when the air is still climbing out of the low 50s, and take the 3.4 miles of trail first. Move to the 4 miles of beach around noon as the temperature approaches its 70.6°F norm, and put the plunge at the designated swimming area between 1 and 3 pm, when the 61.7°F water is at its own daily best. Walk the 1,671-foot boardwalk at 4:30, and be facing west by 5:58.

Day two belongs to the ferry: Caladesi’s 3 miles of beach and 2.5 miles of trail, with the crossing booked early enough that the return doesn’t race the light. If a front lands on one of the month’s 4.5 wet days, flip the order. Honeymoon is the wet-day park because you can drive to it and retreat to the car, while an island with no parking gives you nowhere to wait out an inch of rain.

Clearwater in January vs December and February

Across the three, January is the coolest by air and by water, and the wettest by day count at 4.5 wet days against December’s 3.5 and February’s 3.2. Its 70.6°F high runs 2.2°F under December’s and 2.7°F under February’s, and its 52.5°F low is 3.5°F under December. The sea gap is wider than the air gap: 61.7°F against 65.5 in December and 65.2 in February, a difference of nearly four degrees. Rain totals actually favor January over December, 2.62 inches against 2.94, but it spreads them over 4.5 wet days instead of 3.5.

Shift four weeks forward to February and you gain 2.7°F by day, 3.5°F of water and 1.3 fewer wet days. Shift back to December and you gain the warmest sea of the three at 65.5°F plus milder nights, while giving up the calmer post-holiday weeks. What January keeps is the coolest afternoon of the winter, which is the one condition that makes a long trail day comfortable at noon.

Is January a good time to visit Clearwater?

Yes, if you are coming to walk, look and eat outdoors with a sweater in the bag. Beach afternoons near 70.6°F, boat crossings to beaches with no roads, and 26 of 31 days with essentially no rain make a strong winter week. No, if the trip’s whole point is the water. A sea averaging 61.7°F at its daily warmest does not support the swimming vacation the brochures picture.

For swimmers, February is the better booking of the two neighboring months: the same coastline with 65.2°F water, a 73.3°F afternoon and 3.2 wet days rather than 4.5. December runs it close on water at 65.5°F, though it carries the most rain of the three at 2.94 inches and the holiday weeks that go with it.

What only January offers is a cool, lengthening winter day: 10 hours 36 minutes of light on the 15th and already growing, over the mildest afternoons of the winter, which is exactly what makes 3.4 miles of trail at Honeymoon Island pleasant at midday.

The last word

Book the Gulf-side room, protect one day for the Caladesi ferry, and let the 61.7°F water be a two-minute story rather than the plan. One number worth carrying north with you: the PIE gauge records a night at or below 32°F on 0.3 nights in an average January, roughly one January in three, so the fleece in the suitcase occasionally earns a hat as well.

Sources & data for this guide

• January air normals (70.6°F / 52.5°F, 2.62 in, 4.5 days ≥0.10 in, 0.6 day ≥1 in, 0.3 nights ≤32°F) · NOAA NCEI monthly normals 1991–2020, station USW00012873, St Petersburg Intl AP · checked Sep 12, 2026
• Station identity and location on the bay side at PIE · NOAA NCEI Search service · checked Sep 12, 2026
• December and February normals (72.8/56.0, 2.94 in, 3.5 days · 73.3/55.1, 2.38 in, 3.2 days) · same NOAA NCEI 1991–2020 series · checked Sep 12, 2026
• Sea surface 61.7°F in January, 65.5°F in December, 65.2°F in February, all as means of daily maxima · Open-Meteo Marine API, 2015–2024 · checked Sep 12, 2026
• Daylight 10h 36m on January 15, sunrise 7:22 am and sunset 5:58 pm local · sunrise-sunset.org · checked Sep 12, 2026
• Park counts at Honeymoon Island, Caladesi Island and Anclote Key Preserve · Florida DEP Recreational Facilities Inventory, 2024 annual report · checked Sep 12, 2026
• 6.0% Pinellas transient rental tax plus 6% state sales tax · Florida Department of Revenue form DR-15TDT, revision 03/25 · checked Sep 12, 2026
• PIE boardings, 1,228,048 in CY2024, small hub classification · FAA passenger boardings CY2024 · checked Sep 12, 2026
• Editorial admission: we could not read local bus or ferry fares, park entrance fees or opening hours for Clearwater. The operator pages either returned errors or rendered only in a browser on Sep 11, 2026, so no amount and no schedule was invented for them.