Funchal (Madeira) weather in August

August in Funchal: hot, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Funchal🇵🇹 Portugal · Atlantic Islands · Island97
  1. 78Jan
  2. 80Feb
  3. 83Mar
  4. 86Apr
  5. 90May
  6. 92Jun
  7. 96Jul
  8. 97Aug
  9. 95Sep
  10. 90Oct
  11. 84Nov
  12. 79Dec

#1 of 12 months in Funchal · #3 of 1413 destinations to visit in August · comfort 97/100 (tier S)

Days
27°C
Nights
21°C
Wet days
2
Sun
12.2 h
Humidity
74%
Daylight
13 h
Funchal, Portugal
Photo: Anita Kieseler · Pexels

Traveller notes on Funchal in August

Madeira's forum calls August the hottest, sunniest, busiest month on the island, with regulars flagging strong UV and humidity as the real concerns rather than rain, which stays rare. The island's well-known microclimates mean conditions can differ sharply from one town to the next — Calheta gets singled out as the more reliably sunny spot if the forecast elsewhere looks mixed.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Funchal

Regulars call this a favorite month specifically for the jacaranda trees still in full, spectacular bloom, sunny and genuinely warm without tipping into summer's heat, and notably free of the humidity that can make walking uncomfortable elsewhere. Our row backs that mild, still-dry read, 22.3C over 16.5C nights, with rain light at 24.3mm across 7.3 days and humidity at 74 percent. Regulars are consistent the island's real microclimates make forecasting more than a few days out genuinely unreliable, one side of the island running sunny while another sees a passing shower at the same time. This remains a genuinely comfortable month overall for the levada walks the island is known for. The sea sits at a comfortably swimmable 21.1C. The record: 12.4 hours of sun, a 14 kph wind and AQI 45.
JacarandaBloomsButForecastsStayTricky · May · 1 month ago · Read more on Tripadvisor ↗
Locals call June the blanket month, for the cloud that settles over the island - and the important half of that phrase is where it settles. The mountains take it; the south coast, where this city sits, is usually warm and sunny underneath. So the answer depends on the plan: the promenade and the sea front are mostly fine, levada walks up in the interior are far likelier to be inside cloud, and a lightweight gilet earns its place up there. The warning regulars repeat is UV rather than heat - it burns faster than you expect even on a dull day. Our row is mild and steady, 23.8C reading as 26C over 18.5C nights, with 29.1mm of rain across 5.9 days, a 22C sea and 12.9 hours of sun. The record: humidity 74 percent and AQI 41.
TheBlanketMonth · June · 1 month ago · Read more on Tripadvisor ↗
Madeira-forum threads on December visits describe Funchal as warm enough by day for shorts and a t-shirt on a good stretch, daytime readings comfortably in the low-to-mid 20s Celsius, but posters are consistent that sunshine is never guaranteed - genuinely pleasant days sit right alongside cloudy, wet, windy ones, sometimes within the same week. Evenings turn noticeably cooler regardless of how the day went, a light jacket or sweater the standing recommendation after dark. The island's famous microclimates mean the north coast sees meaningfully more rain than Funchal itself on the sheltered south side, worth knowing when picking a base. The one thing regulars agree on: December is a strong month for the city's Christmas lights display, reason enough for some repeat visitors to plan a trip around this month regardless of the weather roulette. The record: 20.9C days feeling like 20C, 15.7C nights, 58mm across 10.8 days, a 21.4C sea, 78 percent humidity and 8.3 hours of sun.
FunchalDecemberRegular · December · 1 month ago · Read more on Tripadvisor ↗
September is when the sea around Madeira is at its warmest - regulars say at least 24C, and our row gives 24.8C - which makes it the swimming month rather than August. The qualification they always add is where: large stretches of this coast are not safe for open-water swimming, so the lidos and the sheltered bathing complexes are the answer, not the nearest bit of shoreline. On land it is sunny with the occasional cloudy or wet day, days in the low-to-mid twenties, and the humidity has begun to drop from its summer peak. Our row's 26.2C reads as 29C, so the levadas are the smart daytime plan: most of those walks run in shade. The record: 20.4C nights, 17.4mm across 6.3 days, 11.2 hours of sun and AQI 40.
TheSeaPeaksNowNotInAugust · September · 1 month ago · Read more on Tripadvisor ↗

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

Funchal climate normals — August

Daytime high27°C / 81°F🥵 hot
Nighttime low21°C / 70°F
Feels like (high)30°C / 86°F
Sea temperature25°C / 77°F😎 warm sea
Rainfall7 mm / 0.3 in☀️ dry
Rainy days2 days
Humidity74%💧 humid
Dew point17°C / 62°F
Sunshine12.2 h/day
Daylight13.3 h
Wind13 km/h / 8 mph
Air quality (US AQI)39🍃 good

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

Crowds in Funchal in August

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 crowdstravelers describe it as peak season, Summer holidays in Portugal, school holidays in 7 of the markets that fill it

Sourced from traveler notes: “Madeira's forum calls August the hottest, sunniest, busiest month on the island, with regulars flagging strong UV and humidit…” — Tripadvisor community

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Peak crowdsBusyShoulder seasonQuiet

Best months for Funchal'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).

Best weatherFunchal's weather peaks July–September, best around August.

August includes Whales and dolphins offshore.

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Best weatherFair weatherToughest weather

What's on in Funchal in August

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

  • Nature

    Whales and dolphins offshore

    1 Apr – 31 Oct · usuallyWhale season

    The water drops off steeply a few kilometres out, so the boats find bottlenose and spotted dolphins most trips and pilot and sperm whales through the warmer half of the year.

  • Festival

    Madeira Wine Festival

    25 Aug – 15 Sep · usuallyHarvest

    The harvest is marked in the city and, better, up at Estreito de Camara de Lobos, where the grapes are still trodden in public and the year's wine is sold in the street. Source ↗

What's on around the world in August →

Where is Funchal?

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Funchal in August — FAQ

Is August a good time to visit Funchal?
August in Funchal: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Funchal on SeasonMap's comfort score (97/100).
What is the weather like in Funchal in August?
In August, Funchal averages a daily high of 27.3°C and a low of 21.2°C, with about 6.8 mm of rain over roughly 1.7 rainy days.
What is the air quality in Funchal in August?
Funchal has a mean US Air Quality Index of about 39 in August.