Santiago de Compostela in May
In May, Santiago de Compostela averages 20°C (67°F) during the day and 10°C (50°F) at night, with around 11 days of rain (79 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
May offers comfortable temperatures in Santiago de Compostela, with some rain to plan around.
How May compares to the rest of the year in Santiago de Compostela
May is in the middle of the year for warmth in Santiago de Compostela (6th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 1°C above the annual average (18°C). May runs 3°C warmer than April (17°C) and warms a further 2°C into June (22°C).
May sunrise & sunset in Santiago de Compostela
Times shown for Santiago de Compostela local time (Europe/Madrid), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Santiago de Compostela — May
Golden-hour and blue-hour windows for the 15th of May, in Santiago de Compostela's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Santiago de Compostela in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (High season) and Santiago de Compostela's popularity.
Crowds & pricing — May in Santiago de Compostela
This is a busy month in Santiago de Compostela — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather
Sun & mosquito risk — May in Santiago de Compostela
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Santiago de Compostela in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 12°C / 53°F | 5°C / 41°F | 177 mm | 15 | — |
| February | 13°C / 55°F | 5°C / 41°F | 141 mm | 14 | — |
| March | 14°C / 58°F | 6°C / 43°F | 133 mm | 14 | — |
| April | 17°C / 62°F | 8°C / 46°F | 111 mm | 15 | — |
| May | 20°C / 67°F | 10°C / 50°F | 79 mm | 11 | — |
| June | 22°C / 71°F | 13°C / 55°F | 78 mm | 11 | — |
| July | 25°C / 77°F | 15°C / 59°F | 26 mm | 6 | — |
| August | 25°C / 77°F | 15°C / 59°F | 40 mm | 7 | — |
| September | 23°C / 73°F | 14°C / 56°F | 65 mm | 9 | — |
| October | 20°C / 67°F | 11°C / 52°F | 176 mm | 14 | — |
| November | 15°C / 58°F | 8°C / 46°F | 176 mm | 17 | — |
| December | 13°C / 55°F | 6°C / 43°F | 187 mm | 15 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Santiago de Compostela in May →
Frequently asked questions
How hot is Santiago de Compostela in May?
In May, Santiago de Compostela averages a high of 20°C (67°F) and a low of 10°C (50°F) — generally mild and pleasant.
Does it rain a lot in Santiago de Compostela in May?
May can be fairly wet in Santiago de Compostela, with about 11 rainy days on average.
Is May a good time to visit Santiago de Compostela?
May is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Santiago de Compostela in May?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May packing list for Santiago de Compostela for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.