Azores · Month comparison

April vs May

May ranks #1 overall vs April at #4. The hydrangea season begins — the Azores in full flower, whale diversity at its peak, and conditions at their most photogenic.

Azores April — Sete Cidades twin crater lakes on São Miguel emerging from spring cloud in the improving shoulder season

April

#4 of 12 months

Best match

The shoulder season begins — conditions improving week by week, hydrangeas filling the roadsides, and uncrowded trails in excellent light.

  • April marks the genuine beginning of the Azores travel season: the crater lake views are reliably clear by late April, the hydrangeas are building toward full bloom, and the whale diversity peaks with blue and sei whales reliably present in addition to the resident sperm whales
  • Easter in the Azores is a significant cultural event: the Senhor Santo Cristo dos Milagres festival in Ponta Delgada (held on the fifth Sunday after Easter) is the most important religious celebration in the Atlantic islands, drawing thousands of Azorean diaspora from the US and Canada who return specifically for the festival
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
FactorAprilMay
Weather score
6
7
Value score
7
7
Crowd score
7
7
Events score
6
7
Atmosphere
8
9
Avg high temp19°C21°C
Monthly rain65mm50mm
Daily sunshine6.5hrs7.5hrs

April trade-offs

  • April can still deliver 2–3 consecutive wet days from passing Atlantic fronts — the shoulder season weather in the Azores is defined by changeability rather than consistency; a 4-day window of good weather between fronts is the norm, not a week of guaranteed sunshine
  • Crowds build toward the Easter holiday weeks — April in Europe coincides with a tourism surge that is less pronounced in the Azores than in Mediterranean destinations but still increases accommodation pressure in the best properties on São Miguel
  • Not all summer facilities are yet open in April — some diving centres, sea tour operators, and rural guesthouses begin operations only in May

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 →