May weather forecast
Portugal

May in Portugal welcomes the onset of warmer conditions, marking the transition towards summer. The national average temperature during this month rises to 18°C (64.4°F). Coastal cities like Lisbon and Porto continue to exhibit milder weather with Lisbon experiencing temperatures from 14°C (57.2°F) to 23°C (73.4°F), and Porto's temperatures ranging from 11°C (51.8°F) to 20°C (68°F).

As Portugal heads into its dry season, the rainfall in May continues to decrease. Lisbon sees an average precipitation of about 40mm (1.57"), while Porto has slightly more rainfall at approximately 70mm (2.76"). By May, snowfall in northern high-altitude regions like Serra da Estrela is virtually non-existent due to the warmer conditions.

Comparing May with the preceding month, April, there is a clear increase in temperatures and a further reduction in rainfall, indicating the progression towards summer. In contrast to the following month, June, May is typically slightly cooler and experiences marginally more rainfall. Despite this, the favorable weather conditions and blossoming natural scenery make May an excellent time for outdoor activities such as hiking, sightseeing, and enjoying Portugal's beautiful beaches.

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• Lisbon - May »
  In Lisbon during May, the rain falls for 8 days and regularly aggregates up to 54mm (2.13") of precipitation. On the last day of May, in Lisbon, sunrise is at 06:13 and sunset at 20:55 WEST.
• Porto - May »
  On the last day of the month, in Porto, sunrise is at 06:04 and sunset at 21:00 WEST. On the first day of May in Porto sunrise is at 06:31 and sunset at 20:31.
• Faro - May »
  Throughout the year, in Faro there are 47.8 rainfall days, and 84mm (3.31") of precipitation is accumulated. In Faro in May, it is raining for 3.6 days, with typically 6mm (0.24") of accumulated precipitation.
• Coimbra - May »
  On the last day of May, in Coimbra, sunrise is at 06:06 and sunset at 20:56 WEST. On the first day of May in Coimbra, sunrise is at 06:32 and sunset at 20:28.
• Braga - May »
  On the last day of the month, in Braga, sunrise is at 06:02 and sunset at 21:00 WEST. In Braga, Portugal, in May, it is raining for 11.2 days, with typically 47mm (1.85") of accumulated precipitation.
• Aveiro - May »
  On the first day of May in Aveiro, Portugal, sunrise is at 06:32 and sunset at 20:30. In Aveiro during the entire year, the rain falls for 125.4 days and collects up to 619mm (24.37") of precipitation.
• Evora - May »
  On the last day of the month, in Evora, sunrise is at 06:09 and sunset at 20:49 WEST. In Evora, during the entire year, the rain falls for 107 days and collects up to 585mm (23.03") of precipitation.
• Viseu - May »
  In Viseu snow does not fall in April through October and December. On the last day of May, in Viseu, sunrise is at 06:02 and sunset at 20:55 WEST.
• Funchal - May »
  May's weather in Funchal is characterized by an amplified spring feel as the temperature continues rising and the relative humidity remains constant. On the last day of the month, in Funchal sunrise is at 07:00 and sunset at 21:10 WEST.
• Guarda - May »
  In Guarda during May, the rain falls for 10.8 days and regularly aggregates up to 32mm (1.26") of precipitation. On the first day of May in Guarda sunrise is at 06:27 and sunset at 20:25.
• Beja - May »
  On the last day of the month, in Beja sunrise is at 06:10 and sunset at 20:47 WEST. Beja, Portugal, in May shows a temperature shift, moving from an average high of a pleasant 20.7°C (69.3°F) in April to a moderately hot 25.9°C (78.6°F).