Best for
Who this month can work well for
City-break travelers who want a balanced mix of landmarks and museums.
Visitors who do not mind some rain if the main sights stay accessible.
Anyone comparing May with warmer summer months before booking.
One-pager
May brings mild days and cool nights to Santiago de Compostela, with 13 rainy days to plan around. The city still works well for a balanced break with strong museums and key landmarks.
Crowds
Price level
Average sunshine

Month read
Mild weather keeps walks comfortable, but rain is common. The city's main churches and museums make May a solid city-break month.
If the weather is on your side
Colexiata de Santa María a Real de Sar
landmark
Book your trip
Best for
City-break travelers who want a balanced mix of landmarks and museums.
Visitors who do not mind some rain if the main sights stay accessible.
Anyone comparing May with warmer summer months before booking.
Travel pulse
Snapshot
| Average daytime temperature | 19.8C |
|---|---|
| Average night temperature | 10.3C |
| Monthly rainfall | 107.3 mm |
| Rainy days | 13 days |
| Humidity | 77.8% |
| Average sunshine | 11 h |
How The Month Feels
May averages 19.8°C by day and 10.3°C at night, with 107.3 mm of rain across 13 days. Expect enough sunshine for sightseeing, but keep indoor plans ready.
What To Lock In Early
Crowds and prices sit at medium levels, so May is a steady choice rather than a bargain pick. July and August score higher if you want the strongest overall month.
What to do
How to do it
Plan cue
Use May for a mix of landmark visits and museum time rather than only outdoor sightseeing.
Plan cue
Build your plans around the Catedral de Santiago de Compostela, the Colexiata de Santa María a Real de Sar, and Pazo de San Lourenzo de Trasouto.
Plan cue
Keep the Museo do Pobo Galego, Centro Galego de Arte Contemporánea, and Museo Centro Gaiás on standby for wetter hours.
Practical trip tips
Keep exploring
Broaden the session
If this month looks too wet, compare cities where indoor anchors and flexible walking windows may work harder for you.
Quick answers
Usually yes, as long as the weather, pace, and trip style line up with what you want from the visit.
Expect around 19.8°C by day and 10.3°C at night, with 107.3 mm of rain across roughly 13 rainy days.
Layers, light rain protection, and comfortable shoes are the safest combination.
It can. The month usually works best when museums, churches, galleries, or other covered landmarks carry the core of the day and outdoor time stays flexible.