Month guide · Olhos de Água, Portugal
Olhos de Água in May: weather and what to expect
In May, Olhos de Água averages highs of 22°C and lows of 15°C, with about 6 rainy days and 33 mm of rain. Highs are 3°C warmer than in April and 4°C cooler than in June. Our rules rate it good for walking and cycling. Crowds in the Algarve are medium.
Is May a good time to visit?
Good for
- Walking and cyclingHighs of 22°C with about 6 rainy days
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through May
Town-level · ERA5-Land 1991-2020Highs climb about 4°C over the month. Nights below 10°C in about 1 in 6.
May in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in May 2027
- 1 May Labor Day
- 27 May Corpus Christi
Local (municipal) holidays are not included.
Warmer in May
Where is warm in May →| Place | High | Rain days | From Olhos de Água |
|---|---|---|---|
| Albufeira, Algarve | 24°C | 6 | 5 km |
| Paderne, Algarve | 24°C | 7 | 10 km |
| Guia, Algarve | 24°C | 6 | 11 km |
| Ferreiras, Algarve | 24°C | 7 | 6 km |
| Tunes, Algarve | 24°C | 6 | 10 km |
The nearest towns with a warmer May. Distances are in a straight line.
How May is changing
Town-level · ERA5-LandMay highs are 1.8°C warmer than in 1991-2000, and May rainfall is down about 40% (2016-2025 against 1991-2000). Days above 25°C in May went from 3.8 to 9.7 a year on average.
Questions about Olhos de Água in May
Is May a good time to visit Olhos de Água?
Our rules rate May good for walking and cycling (highs of 22°C with about 6 rainy days).
How warm is Olhos de Água in May?
Average highs are 22°C and lows 15°C. April averages 19°C and June 26°C.
Does it rain much in Olhos de Água in May?
About 6 days have at least 1 mm of rain, with 33 mm in total over the month.
Is Olhos de Água busy in May?
In May 2025, nights booked through online platforms in the Algarve were about 40% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.
How long are the days in Olhos de Água in May?
About 14 h 08 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