Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 11.9 °C | — | 14 days | Unfavourable season |
| February | 13.1 °C | — | 13 days | Possible, with trade-offs |
| March | 14.1 °C | — | 14 days | Possible, with trade-offs |
| April | 17 °C | — | 14 days | Possible, with trade-offs |
| May | 19.6 °C | — | 12 days | Pleasant — a good time to go |
| June | 21.9 °C | — | 10 days | Pleasant — a good time to go |
| July | 25.1 °C | — | 6 days | Ideal — one of the best times of year |
| August | 25.6 °C | — | 6 days | Ideal — one of the best times of year |
| September | 22.9 °C | — | 9 days | Pleasant — a good time to go |
| October | 19.5 °C | — | 15 days | Possible, with trade-offs |
| November | 15 °C | — | 15 days | Possible, with trade-offs |
| December | 13.2 °C | — | 15 days | Possible, with trade-offs |
Before you go
Three things to check once you have picked your dates.
Entry
Spain is in the European Union. Entry rules depend on your nationality — check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 12 August 2026
Health
Recommended vaccinations, water quality, mosquitoes: advice depends on the country and the season. Some vaccines need time before departure.
Beau Fixe is not a safety or health authority. These notes summarise public advisories and link to their source; only the competent authorities are authoritative. Alert levels: Foreign, Commonwealth & Development Office (gov.uk), Open Government Licence v3.0.
FAQ
Can you swim in Santiago de Compostela in May?
Santiago de Compostela is not a seaside destination (no sea data).
How hot is Santiago de Compostela in May?
Expect 19.6°C in the afternoon and 10.4°C at night, averaged over the last 10 years.
Does it rain a lot in Santiago de Compostela in May?
Around 12 days with rain (≥ 1 mm) in the month — 37% of days.