Lagos (Algarve) weather in January

January in Lagos: cool, a little rain, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Lagos🇵🇹 Portugal · Andalusia & the Algarve · Beach70
  1. 70Jan
  2. 74Feb
  3. 76Mar
  4. 81Apr
  5. 85May
  6. 88Jun
  7. 89Jul
  8. 89Aug
  9. 87Sep
  10. 82Oct
  11. 74Nov
  12. 69Dec

#11 of 12 months in Lagos · #710 of 1413 destinations to visit in January · comfort 70/100 (tier B)

Days
16°C
Nights
10°C
Wet days
6
Sun
8 h
Humidity
77%
Daylight
10 h
Lagos, Portugal
Photo: urtimud.89 · Pexels

Traveller notes on Lagos in January

Forum posters describe January daytime temperatures typically around 60F (12-18C), though a persistent wind is a near-constant local feature that makes it feel colder than the number alone suggests - posters note this part of the Algarve tends to run windy essentially year-round. Some rainy days are a real possibility, but posters emphasize the wider region's reputation for over 300 sunny days a year holds up even in January, so a mix of grey and genuinely pleasant sunny days within the same week is typical. Posters staying in local apartments or houses flag that heating can be limited to small electric heaters, so checking on adequate heating (or bringing warm layers for indoor use) is practical winter-trip advice.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Other months in Lagos

Regulars are specific the dry season is well established here by the end of this month, with real rain typically not returning until the end of September, though an earlier shower or two in the first half remains a genuine possibility. Our row backs that mild, genuinely dry read, 23.4C over 15.1C nights feeling 14C, with rain light at 21.5mm across 3.7 days and a real 22.1 kph wind. Regulars are consistent the wind here makes conditions feel cooler than the number alone suggests, especially after dark, a jacket worth having even after a warm, sunny day. Mosquito repellent is a genuinely practical addition to the packing list alongside the usual sun protection. The sea sits at 17.2C. The record: 12.7 hours of sun, humidity 68 percent and AQI 46.
DrySeasonEstablishedByMonthsEnd · May · 1 month ago · Read more on Tripadvisor ↗
Lagos-forum threads on November weather describe a genuinely mixed month: some days cool and cloudy or wet, others warm enough for a light jacket to come off entirely, with the southern Algarve running noticeably drier and milder than Lisbon or the country's north during the same stretch. What sets Lagos apart from the Algarve's smaller resort towns, per regulars, is that it keeps functioning through the winter - a real year-round local population means cafes and shops stay open, and accommodation prices sit at their lowest. The catch some posters flag: on a genuinely bad-weather day, the town can turn notably windy and quiet after dark. Regulars still call most November days mild enough for a coastal walk or sightseeing. The record: 19.2C days feeling like 18C, 13.2C nights, 47mm across 8.1 days, a 17.1C sea, 78 percent humidity and 8.4 hours of sun.
PontaDaPiedadeNovemberRegular · November · 1 month ago · Read more on Tripadvisor ↗
Lagos-forum threads on September weather describe warm, lovely days undercut by cool, windy evenings - the far-western Algarve is called always windy, which makes the coast feel cooler than the daytime number suggests, and posters recommend a jacket, a wrap and an umbrella even on a sunny-looking day. Precipitation is called unusual through the early part of the month, with the back half more unsettled. The trade-off is worth it by most accounts: good weather, a fair number of tourists but not overwhelming, everything still open with nightlife running. The record: 26.8C days feeling like 27C, 18.1C nights, just 11mm across two days, a 17.6C sea still cool for swimming, and 11.1 hours of sun.
PontaDaPiedadeSeptember · September · 1 month ago · Read more on Tripadvisor ↗
June in Lagos is dry and warm on land and cold in the water, and the forum's explanation is one sentence: this is the Atlantic, not the Mediterranean. The regional sea runs about 18 to 20C in June, and Lagos, Sagres and the west-facing coast sit at the cold end of that, below 20, because water comes up from the Atlantic depths regardless of what the Gulf Stream is doing 30km offshore. Our row says 18.4C. The sea can also be rough here in summer. The air is the opposite story - normally in the 30s, occasionally to 40 in the region - though our row's 25.9C for Lagos itself is tempered by a 23 kph wind. The record: 17.3C nights, 2 precipitation days carrying 6.1mm and 13.1 hours of sun.
AtlanticNotMediterranean · June · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Lagos's card on the map.

Lagos climate normals — January

Daytime high16°C / 61°F🙂 cool
Nighttime low10°C / 50°F
Feels like (high)14°C / 57°F
Sea temperature16°C / 62°F🧊 bracing
Rainfall38 mm / 1.5 in🌦 some rain
Rainy days6 days
Humidity77%💦 very humid
Dew point9°C / 47°F
Sunshine8 h/day
Daylight9.9 h
Wind21 km/h / 13 mph
Air quality (US AQI)40🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Lagos in January

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChristmas and New Year, Christmas holidays in Portugal, school holidays in 7 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Lagos's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherLagos's weather peaks June–August, best around July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Lagos in January

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Almond blossom

    15 Jan – 25 Feb · usuallyWildflowers & blooms

    The groves inland towards Barao de Sao Joao flower before anything reopens, and the cliff path to Ponta da Piedade is at its best in the same weeks.

  • Season

    West coast swell season

    15 Sep – 30 AprSurf season

    Winter lows put swell on the exposed west coast around Sagres and Arrifana, forty minutes away, while the south-facing town beaches stay flat. That split is why people base here.

  • Season

    Low season

    1 Nov – 15 MarOff-season shutdownClosures

    A share of the restaurants and most of the boat operators shut, and the marina goes quiet, but the town has enough residents to stay open. Rooms are a third of the August price.

  • Holiday

    Christmas and New Year

    24 Dec – 1 JanChristmas & New YearClosures

    Christmas is kept at home: from the afternoon of 24 December through the 25th most restaurants, shops and museums close, and 1 January is just as quiet. Restaurants that do open on New Year's Eve usually sell set dinners that book up ahead. Source ↗

What's on around the world in January →

Nearby, and something's on

Within 300 km of Lagos — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Lagos?

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Lagos in January — FAQ

Is January a good time to visit Lagos?
January in Lagos: cool, a little rain, with clean air — a great time to visit. It ranks #11 of 12 months for Lagos on SeasonMap's comfort score (70/100).
What is the weather like in Lagos in January?
In January, Lagos averages a daily high of 16.2°C and a low of 9.8°C, with about 38.2 mm of rain over roughly 6 rainy days.
What is the air quality in Lagos in January?
Lagos has a mean US Air Quality Index of about 40 in January.

Within 300 km: Albufeira's Almond blossom in the barrocal around 15 Jan – 25 Feb, and Faro's Almond blossom around 15 Jan – 25 Feb.