Month guide · Horta, Portugal
Horta in May: weather and what to expect
In May, Horta averages highs of 18°C and lows of 16°C, with about 10 rainy days and 64 mm of rain. Highs are 1°C warmer than in April and 2°C cooler than in June. Crowds in the Azores are medium.
Is May a good time to visit?
Good for
No verdicts for Horta in May yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 10 rainy days in the month
Daily highs through May
Town-level · ERA5-Land 1991-2020Highs climb about 2°C over the month. A day above 20°C happens in roughly 1 May in 3.
May in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in May 2027
- 1 May Labor Day
- 17 May Day of the Autonomous Region of the AzoresAzores
- 27 May Corpus Christi
Local (municipal) holidays are not included.
Warmer in May
Where is warm in May →| Place | High | Rain days | From Horta |
|---|---|---|---|
| Benavente, Oeste e Vale do Tejo | 24°C | 8 | 1,716 km |
| Salvaterra de Magos, Oeste e Vale do Tejo | 24°C | 8 | 1,717 km |
| Vale de Santarém, Oeste e Vale do Tejo | 23°C | 8 | 1,721 km |
| Samora Correia, Oeste e Vale do Tejo | 23°C | 7 | 1,711 km |
| Pontével, Oeste e Vale do Tejo | 23°C | 8 | 1,712 km |
The nearest towns with a warmer May. Distances are in a straight line.
How May is changing
Town-level · ERA5-LandMay highs are 0.7°C warmer than in 1991-2000, and May rainfall is up about 25% (2016-2025 against 1991-2000). Days above 20°C in May went from 2.0 to 2.4 a year on average.
Questions about Horta in May
Is May a good time to visit Horta?
It is less suited to reliable dry weather (about 10 rainy days in the month).
How warm is Horta in May?
Average highs are 18°C and lows 16°C. April averages 17°C and June 20°C.
Does it rain much in Horta in May?
About 10 days have at least 1 mm of rain, with 64 mm in total over the month.
Is Horta busy in May?
In May 2025, nights booked through online platforms in the Azores were about 50% 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 Horta in May?
About 14 h 14 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