Weather in Portugal in Mai
Country-wide climate normals across 15 cities in Portugal.
How Hot Is Portugal in Mai?
Portugal's May is consistently warm — typical 22°C, with no major regional outliers.
Sunshine in Portugal in Mai
Portugal sees plenty of sun in May — Lisbon averages 6.3h of direct sun a day, with daylight running from 6:25 am to 8:40 pm. Most regions enjoy mostly bright weather, broken by occasional cloudy spells, and the country as a whole gets a healthy dose of sunshine through the month.
Does It Rain In Portugal In Mai?
Portugal sees moderate rainfall in May — Lisbon averages 49mm across 6 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's May weather mixes sunny stretches with regular shower spells.
Is Portugal Humid In Mai?
Portugal's May is humid — 68% on average in Lisbon, with similar muggy conditions in most regions. Afternoons feel sticky, especially after rain, and the moisture amplifies warm-day temperatures noticeably. Coastal cities see the highest readings.
Wind In Portugal In Mai
Persistent breeze shapes Portugal's May: 22 kph in Lisbon, with consistent wind across the country. The conditions are ideal for sailing and other wind sports, but can be disruptive for fine outdoor work.
Cloud Cover In Portugal In Mai
Portugal's May brings sun-and-cloud weather: Lisbon sees 48% cloud cover on average, with similar patterns nationwide. Bright periods and cloudy ones trade off through the day, with no single dominant condition.