Benagil in January: Weather, Sea Temperature and Crowds

BENAGIL · JANUARY · THE ALGARVE

January gives Benagil an average high of 61.3°F, a sea sitting at 62.0°F and just under ten hours of daylight to spend both in. That is walking weather on the clifftops and terrace weather at noon. The cove, the cave under the headland and the red cliffs running east toward Praia da Marinha are all exactly where they are in August. What the date changes is how you spend the hours, and what you can count on.

The trade is water and daylight for quiet and cheap walking. Rain falls on about six days in an average January and totals 1.94 inches, so most days stay dry, but the afternoon closes fast: sunset lands at 5:39 pm mid-month. And no station along this stretch of coast measures the sea state, the one variable that decides whether a boat reaches the cave on any given morning. A January trip here books loosely and moves with the forecast.

On this page

• Benagil weather in January61.3°F days, 6 rain days, the normals
• Can you swim in Benagil in January?A sea at 62.0°F, and what that means
• How busy is Benagil in January?Low season, booking and the tax we could not verify
• Things to do in Benagil in JanuaryThe cove, Praia da Marinha, Carvoeiro
• A two-day plan for BenagilTwo days built around a 5:39 pm sunset
• January or February in Benagil?How December, January and February compare
• Is January a good time to visit Benagil?Our verdict, for walkers and for swimmers

Every figure here comes from one of two places, and they are not equivalent. The air normals are measured readings from a real thermometer. The sea number comes from a marine model rather than a buoy moored off the cove. Neither describes the high ground inland, which is colder and a good deal wetter, so pack for the coast from these numbers and for a mountain day from something else.

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

IPMA, the Portuguese institute for the sea and the atmosphere, puts January’s average high at 61.3°F, the average low at 46.9°F and the month’s rainfall at 1.94 inches. Those are the 1991-2020 normals from station 554 at Faro, altitude 5.0 m: an instrument on the ground, not a reanalysis grid cell. Faro sits roughly 60 km east of Benagil on the same coastal strip, so read the numbers as coastal Algarve rather than as this cove specifically.

Six days in an average January record at least 0.04 inch of rain, and 1.8 of them reach 0.39 inch or more. Translated into a week on the ground, that is roughly one wet day in five, plus a proper soaking about twice in the month. Those cut-offs are IPMA’s, not the 0.10-inch threshold American forecast tables use, so the counts do not line up with a US rain-day figure. Twenty-five dry days is the realistic picture.

Between the 46.9°F night and the 61.3°F afternoon sit 14.4 degrees, and the drop comes quickly once the sun is off the cliffs. Pack a layer you shed by 11 am and put back on at four: a fleece, a windproof shell for the cliff edge, and shoes with grip, since shaded limestone stays damp for days after rain. Our Portugal packing guide handles the rest of the suitcase.

On January 15 the sun rises at 7:42 am and sets at 5:39 pm on the local clock, Portugal running on UTC through the winter, for 9 hours 57 minutes of daylight. Boat trips, beach time and the clifftop path all belong between 10 am and 4:30 pm. Dinner in January is an indoor event, and any drive back along the coast road happens in the dark.

Can you swim in Benagil in January? Sea temperature and what it feels like

The sea off Benagil averages 62.0°F in January in the Open-Meteo marine record for 2015-2024. Read that figure with its small print: it is the mean of daily maxima, so it runs a shade warmer than a true 24-hour average would. No buoy off the cove produces it either. It is a modeled surface value for the water in front of this coast, useful as an order of magnitude and not as a promise about Tuesday.

For an American used to summer Atlantic beaches, 62°F is wetsuit water. Bare skin manages ten or fifteen minutes before hands go stupid, and surfers on this coast wear full suits through the winter. One quirk works in your favor: the water at 62.0°F is marginally warmer than the average afternoon air at 61.3°F, so the hard part is climbing out. Bring a towel, dry clothes and somewhere to change out of the wind.

We have no wave-height or wind series for this stretch. No station along it measures the sea state, and that is precisely the variable that decides whether a boat can enter the Algar de Benagil on a given morning, so we give no swell figure and no percentage of sailable days. Call the operator the morning of, keep the cave for whichever day the water allows, and have the beaches and the clifftop path as the fallback.

How busy is Benagil in January? Crowds, prices and the demand peak

January sits deep in the coastal off-season. European school holidays finish in the first days of the month and the beach season is months away in either direction, which leaves the cove to walkers, a few boats and the residents of the villages behind it. We found no occupancy series and no monthly room-rate series for this coast, so we crown no month cheapest and quote no nightly figure. What we can state is the calendar: this is winter on a coast built for July.

Booking behaves differently in a quiet month. Beds in Carvoeiro or Lagos do not need the lead time a July week demands, so the piece to lock first is the flight: most Americans reach the Algarve through Lisbon or Faro, and our flights guide sorts the connections. Book the room refundable, give the trip at least three nights, and leave two afternoons uncommitted for the boat.

We could not verify any municipal tourist tax for Benagil or its neighboring towns, so we give no percentage and no per-night euro amount. Ask the property when you book and again at check-in, and treat the charge as an unknown line in the budget rather than a zero. Our trip cost guide covers the rest of the week’s arithmetic.

Spend the extra money on a car rather than on the room. With rain scattered across six days and the cave depending on the sea, mobility is what saves a January week: an hour of driving takes you to Lagos, to Faro or inland when the cliff path is running with water. Winter rates and the toll system both sit in our car rental guide, and getting around Portugal covers the train alternative.

Things to do in Benagil in January

Walking at midday is the thing January allows and high summer does not. An average high of 61.3°F on an exposed clifftop with no shade is close to ideal for a few hours on foot, and the low sun puts long shadows into every arch and stack from mid-afternoon. The same month makes a whole beach day unlikely, so the balance of a January stay tilts toward the path above the water rather than the sand below it.

Praia de Benagil is the cove itself, a slot of sand at the bottom of a staircase. The Algar de Benagil, the domed sea cave with the hole in its roof, opens a short way along the cliff and has no walk-in entrance. Praia da Marinha, the arch-and-stack beach from every Algarve poster, is the next headland east. West lie Carvoeiro, then Ponta da Piedade and Lagos. We could not verify winter prices, departure times or operating days for any boat operator, so we quote none.

Winter barely moves the water here. At 62.0°F the sea sits between December’s 63.4°F and February’s 61.3°F, a range of about two degrees across the whole season. The air swings that far in a single afternoon, 14.4 degrees between the January low and high, which is why the same cove feels like a lunch spot at 2 pm and a place to leave by half past four.

Most of what is worth doing in January costs nothing: beach access, the clifftop paths and the viewpoints over the cliffs are free, and the light show at the end of the afternoon arrives before 5:39 pm without a ticket. We could not verify parking charges in the lots above the cove, so read the signs before you leave the car.

Benagil in January: a two-day itinerary

Day one stays local. Breakfast at eight, with the sun barely up at 7:42, then the clifftop walk east from Praia de Benagil while the light is still low on the rock. Reach Praia da Marinha around eleven, turn back for a long lunch at one, when the 61.3°F high finally shows up. Keep the afternoon for the cove, the staircase and a boat if the operator is running. Be off the cliffs by five as the thermometer starts toward its 46.9°F night.

Day two follows the forecast. Clear, and the car earns its keep west: Ponta da Piedade for the stacks, Lagos for lunch and an afternoon in town. Wet, and one January day in five is, Faro sits about 60 km east with an old town, a market and museums that fill an indoor afternoon. Put the boat and the long walk on whichever day looks better, since six rain days in thirty-one give a two-night stay good odds of one clean one.

Benagil in January vs December and February

Across the three winter months the daytime air hardly moves: 62.8°F in December, 61.3°F in January, 62.6°F in February, all from the same IPMA 1991-2020 normals at Faro. Rain is what separates them. December averages 3.54 inches over 7.0 wet days, January 1.94 inches over 6.0, February 1.65 inches over 5.4. The sea, from the marine record rather than the weather station, slides down through the season from 63.4°F to 62.0°F to 61.3°F.

Move four weeks earlier and you buy warmth with rain: December runs nights 2.6 degrees milder at 49.5°F and water 1.4 degrees warmer, for nearly twice January’s rainfall. Move four weeks later and February is the driest of the three at 1.65 inches over 5.4 wet days, with the trade-off showing up in the water: 61.3°F, the coldest sea of the winter, 0.7 degrees below January.

Is January a good time to visit Benagil?

Yes, if you came to walk and to look. At 61.3°F with twenty-five dry days on average, this is a hiking and photography month with a spectacular coastline attached, and nobody queuing on the clifftop for the shot. No, if your mental image involves three hours flat on the sand at Praia da Marinha, a swim that lasts, or a cave visit booked in advance and guaranteed by anything other than the sea.

If that lands on no, February is the smallest useful move: 1.65 inches of rain over 5.4 days, afternoons 1.3 degrees warmer than January, the same off-season coast, at the cost of the winter’s coldest water. For an actual swimming vacation neither month qualifies, and the full twelve-month ranking lives in our best time to visit Portugal guide, with the summer coast covered in the Algarve guide.

Of the three winter months, January is the one that cuts December’s rainfall nearly in half while the sea, at 62.0°F, is still marginally warmer than the average afternoon air at 61.3°F.

The last word

Decide one thing before you pay for anything: whether the trip still works if the boat never sails. If it does, January hands you a walking week on one of Europe’s best coastlines for the price of a jacket and a rental car. If it doesn’t, move the dates. One piece of housekeeping for the week itself: Portuguese forecasts run in Celsius, so January’s 61.3°F high reads 16.3°C on the local news and the 46.9°F night reads 8.3°C. Neither sounds like the Algarve of the brochures, and both walk beautifully.

Sources & data for this guide

• January air normals, rainfall and rain-day thresholds · IPMA (Instituto Português do Mar e da Atmosfera), 1991-2020 normals, station 554 Faro, altitude 5.0 m · checked Sep 24, 2026
• December and February normals used in the comparison · same IPMA 1991-2020 series, station 554 Faro · checked Sep 24, 2026
• Sea surface temperature, mean of daily maxima 2015-2024 · Open-Meteo Marine API · checked Sep 24, 2026
• Sunrise 07:42, sunset 17:39 and 9 h 57 min of daylight on January 15 · sunrise-sunset.org · checked Sep 24, 2026
• Scope caveat: the Faro station measures the coastal strip at 5 m, some 60 km east of Benagil; inland high ground is colder and considerably wetter · IPMA · checked Sep 24, 2026
• What we could not verify: boat-operator schedules and cave-trip prices, parking charges above the cove, and any municipal tourist tax, so we quote none. No station on this stretch measures sea state, and we found no occupancy or room-rate series, so no month is ranked cheapest.

To plan your stay

• Best Time to Visit Benagil: Sea Temperature, Rain Days and the Quiet Months
• Benagil in February: Weather, Sea Temperature, Crowds and a Two-Day Plan
• Benagil in December: Weather, Sea Temperature, Rain Days and Crowds
• Benagil in March: Weather, Sea Temperature and Getting to the Cave

Nearby places

• Albufeira, Portugal: The Three Zones, the Beaches and the Old Town Hill
• The Algarve: Beaches, Towns and the Two Coasts of Portugal's South
• Carvoeiro, Portugal: the Cove, Algar Seco and the Seven Hanging Valleys Trailhead