Month guide · Ericeira, Portugal

Ericeira in May: weather and what to expect

May highs in Ericeira are now 0.8°C warmer than in 1991-2000. The sea is still cool, around 16°C. In May, Ericeira averages highs of 19°C and lows of 14°C, with about 8 rainy days and 50 mm of rain. Crowds in the Lisbon area are high.

Based on 1991-2020 climate data · Updated 1 November 2026 · Sources

Average high Town-level19°CLow 14°C
Sea temperature Modelled16°COpen sea nearby, average for the month
Rainy days Town-level850 mm in total
UV index Modelled8Very high at noon on a clear day
Crowds RegionalHighThe Lisbon area as a whole

Is May a good time to visit?

Good for

No verdicts for Ericeira in May yet. They only use climate values that are precise enough to judge with.

Not ideal for

Nothing stands out as a weaker fit.

Daily highs through May

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs climb about 2°C over the month. A day above 25°C happens in roughly 1 May in 3.

May in detail

Town-level · ERA5-Land
MeasureAprilMayJune
Average high17°C19°C21°C
Average low12°C14°C16°C
Rainy days (at least 1 mm)1083
Total rainfall62 mm50 mm13 mm
Daylight (mid-month)13 h 11 min14 h 16 min14 h 53 min

Crowds, holidays and daylight

Visitor level RegionalHighNights booked through online platforms in the Lisbon area in May 2025: about 75% of the busiest month.

Public holidays in May 2027

  • 1 May Labor Day
  • 27 May Corpus Christi

Local (municipal) holidays are not included.

Daylight mid-month Exact14 h 16 minSunrise to sunset, calculated from the town's coordinates.

The nearest towns with a warmer May. Distances are in a straight line.

How May is changing

Town-level · ERA5-Land

May highs are 0.8°C warmer than in 1991-2000, and May rainfall is down about 40% (2016-2025 against 1991-2000). Days above 20°C in May went from 5.4 to 9.8 a year on average.

Questions about Ericeira in May

How warm is Ericeira in May?

Average highs are 19°C and lows 14°C. April averages 17°C and June 21°C.

Does it rain much in Ericeira in May?

About 8 days have at least 1 mm of rain, with 50 mm in total over the month.

Is Ericeira busy in May?

In May 2025, nights booked through online platforms in the Lisbon area were about 75% of the busiest month, which we count as high. The figure is for the whole region and leaves out hotels.

How long are the days in Ericeira in May?

About 14 h 16 min from sunrise to sunset in the middle of the month.

Sources

Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology