Azores · Month comparison

January vs May

May ranks #1 overall vs January at #10. The hydrangea season begins — the Azores in full flower, whale diversity at its peak, and conditions at their most photogenic.

Azores January — moody Atlantic clouds over the volcanic Sete Cidades crater lakes in winter on São Miguel island

January

#10 of 12 months

Worth considering

The quietest and cheapest month — moody Atlantic skies, empty trails, and the Azores at its most elemental.

  • January sees virtually no mass tourism — the Azores in winter is the exclusive domain of surfers, birdwatchers, and those seeking genuinely uncrowded Atlantic wilderness; the trails around Sete Cidades, the Caldeira on Faial, and the Furnas geothermal valley on São Miguel are completely empty
  • Sperm whales are year-round residents of the Azores deep water — January whale watch departures have smaller groups, more attentive guides, and the Atlantic swell creates a drama around the whale encounters that flat summer seas cannot replicate
Azores May — blue hydrangeas lining the crater lake rim road at Sete Cidades on São Miguel in full spring bloom

May

#1 of 12 months

Best match

The hydrangea season begins — the Azores in full flower, whale diversity at its peak, and conditions at their most photogenic.

  • Hydrangea peak season begins in late May on São Miguel and Faial: the volcanic roads disappear between walls of blue, pink, and white Hortensia so dense that the landscape is defined by them; the Sete Cidades crater lake rim road and the Faial cliffs above Capelo are the most spectacular; the combination of vivid blue flowers, black lava stone, and the turquoise lake surface below is the defining Azorean landscape image
  • May whale watching is outstanding — blue whales and fin whales are reliably present before they depart for northern feeding grounds, sperm whales remain year-round, and bottlenose and common dolphins are visible on nearly every trip; the Azores Whale Watch operators in Lajes do Pico and Madalena use traditional land-based whale spotting techniques inherited from the whaling era
FactorJanuaryMay
Weather score
3
7
Value score
9
7
Crowd score
9
7
Events score
3
7
Atmosphere
6
9
Avg high temp17°C21°C
Monthly rain115mm50mm
Daily sunshine3.5hrs7.5hrs

January trade-offs

  • January is the wettest month in the Azores — 115mm of rainfall with only 3.5 hours of daily sunshine; Atlantic depressions bring genuine storms, and the inter-island ferries and small aircraft connections between islands can be suspended for 1–2 days at a time; build schedule flexibility into any multi-island itinerary
  • Hiking conditions are compromised by wet trails and cloud cover that obscures the crater lake views that justify the main Azorean routes; the Sete Cidades circuit and the Pico summit route are frequently socked in for entire days
  • Some seasonal businesses (kayak operators, diving centres, tourist restaurants in smaller villages) close entirely in January–February; service infrastructure on the smaller islands (Flores, Corvo, Graciosa) is minimal in winter

May trade-offs

  • May is the beginning of the European tourist season — Ponta Delgada on São Miguel sees a meaningful increase in visitors from Lisbon and Northern Europe; the best guided whale watch operators, the most popular trailheads (Sete Cidades, Lagoa do Fogo), and the standout accommodation start booking out at the short end
  • Rainfall is still possible (50mm) — the Azores Atlantic location means even the best months can deliver a wet day or two; the Furnas caldeira valley and the Lagoa do Fogo crater lake are sometimes in cloud even in May
  • Senhor Santo Cristo festival crowds in Ponta Delgada (if falling in May) can temporarily pack the city's infrastructure beyond capacity — accommodation within 5km of the city centre is essentially unavailable at any price during the festival weekend
Scores compare months within Azores. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →