Climate guide for Santiago de Compostela, Spain

Best Time to Visit
Santiago de Compostela

How to read the score (0–10)
05810
UnfavorableGoodOptimal
01 · Spain

About Santiago de Compostela

Santiago de Compostela crowns the Camino with granite cathedral squares, pilgrim rituals, and Galician seafood markets. In Spain, late spring through early autumn usually delivers the most reliable conditions for sightseeing travel - then use monthly climate scores to fine-tune around crowds, storms, or snow depth.

02

Did you know?

03

Travel Tips

01Best time & timing
Target July, August, June — that is where comfort scores peak (9.8/10). December is the weakest month at 3.3/10.
02Weather & what to pack
July averages 20°C with 23 mm of rain and about 31 days with 6+ hours of sunshine. Pack light clothing, a hat and real sun protection.
03Crowds & value
If budget matters, target June — 8.3/10 with lighter demand than July.

Things to do in Santiago de Compostela

Santiago de Compostela, Spain. Live activities and tours from GetYourGuide, matched to this destination.

When to visit Santiago de Compostela: the short answer

Plan Santiago de Compostela for July, with August, June close behind — the stretch with the most usable temperatures and the fewest lost days to rain: July averages 20°C with 23 mm of rain and about 31 days with 6+ hours of sunshine. The months to avoid unless you have a specific reason are December, November. If budget matters more than perfect weather, February is the strongest of the low-rate months at 5.4/10.

Across the year Santiago de Compostela swings from 9°C in January to 21°C in August, a 12-degree spread, while rainfall ranges from 19 mm in August to 288 mm in October. In short, Santiago de Compostela is not equally good year-round — the gap between its best and worst month is 6.5 points on the same 10-point scale.

Warmest month: August (21°C). Coolest: January (9°C). Driest: August (19 mm). Wettest: October (288 mm).

Santiago de Compostela month by month

January in Santiago de Compostela — the hardest end of the year

Hardest · 3.7/10

Expect 9°C (48°F) in January. A good month for city streets, viewpoints and long meals; leave swimming for another season.

151 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 3.7/10 on the same scale — 10th of 12 months, versus 9.8/10 for the best month here.

Budget for low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

If your dates are flexible, July is materially better in Santiago de Compostela — 6.1 points higher on the same scale.

February in Santiago de Compostela: mixed conditions, plan around the weather

Trade-offs · 5.4/10

Expect 10°C (49°F) in February. A good month for city streets, viewpoints and long meals; leave swimming for another season.

Budget for roughly 89 mm of rain this month — a flexible day or two helps — with about 4 days with 6+ hours of sunshine and 10.3 hours of daylight to work around it.

That is 5.4/10 on the same scale — 7th of 12 months, versus 9.8/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.

If your dates are flexible, July is materially better in Santiago de Compostela — 4.4 points higher on the same scale.

March in Santiago de Compostela — off-season conditions

Hardest · 4.9/10

March averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

At 153 mm this is a genuinely wet month: about 9 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 4.9/10 here, 8th of 12 months, against 9.8/10 in the destination's best month.

Plan for low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Flexible dates? July scores 4.9 points higher here — enough to change the trip.

April holds up well in Santiago de Compostela — 5th best month

Good · 7.5/10

Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 89 mm of rain this month — a flexible day or two helps — with about 23 days with 6+ hours of sunshine and 13.2 hours of daylight to work around it.

That is 7.5/10 on the same scale — 5th of 12 months, versus 9.8/10 for the best month here.

Expect mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, July is materially better in Santiago de Compostela — 2.3 points higher on the same scale.

May in Santiago de Compostela: strong conditions, 4th of 12

Good · 8.1/10

May averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Rainfall runs 85 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 14.5 hours of daylight.

It scores 8.1/10 here, 4th of 12 months, against 9.8/10 in the destination's best month.

Figure on mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

Flexible dates? July scores 1.7 points higher here — enough to change the trip.

June in Santiago de Compostela: strong conditions, 3rd of 12

Good · 8.3/10

Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.

Budget for roughly 75 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 15.1 hours of daylight to work around it.

That is 8.3/10 on the same scale — 3rd of 12 months, versus 9.8/10 for the best month here.

Budget for mid-season pricing, and crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.

If your dates are flexible, July is materially better in Santiago de Compostela — 1.5 points higher on the same scale.

July in Santiago de Compostela — the year's strongest window

Best window · 9.8/10

At 20°C (68°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.

With around 23 mm of rain, any showers tend to pass through rather than settle in; about 31 days with 6+ hours of sunshine and 14.9 hours of daylight fill the rest.

On our climate-comfort scale this is the top-ranked month of the year for Santiago de Compostela at 9.8/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

August is one of the strongest months in Santiago de Compostela (2nd)

Best window · 9.8/10

August averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Expect 19 mm of rain — occasional showers rather than washed-out days — alongside about 30 days with 6+ hours of sunshine and 13.8 daylight hours.

A 9.8/10 puts this among the year's best months in Santiago de Compostela (2nd of 12); only July scores higher, at 9.8/10.

Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, a hat and real sun protection.

September in Santiago de Compostela — reliably good (6th best month)

Good · 7.3/10

September averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 107 mm this is a genuinely wet month: about 16 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 7.3/10 here, 6th of 12 months, against 9.8/10 in the destination's best month.

Plan for mid-season pricing, with crowds are moderate.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Flexible dates? July scores 2.5 points higher here — enough to change the trip.

October in Santiago de Compostela: expect compromises

Hardest · 4.5/10

Temperatures hover around 17°C (62°F) — the kind of month where neither heat nor cold forces the schedule.

Expect monsoon-level rainfall at 288 mm: only about 3 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 4.5/10 on the same scale — 9th of 12 months, versus 9.8/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

If your dates are flexible, July is materially better in Santiago de Compostela — 5.3 points higher on the same scale.

November in Santiago de Compostela: expect compromises

Hardest · 3.7/10

Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.

Expect monsoon-level rainfall at 239 mm: only almost no days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.

That is 3.7/10 on the same scale — 11th of 12 months, versus 9.8/10 for the best month here.

Expect low-season pricing, and crowds are light for this destination.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

If your dates are flexible, July is materially better in Santiago de Compostela — 6.1 points higher on the same scale.

December in Santiago de Compostela — off-season conditions

Hardest · 3.3/10

December averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

213 mm of rain puts this in monsoon territory — almost no days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.

It scores 3.3/10 here, 12th of 12 months, against 9.8/10 in the destination's best month.

Figure on low-season pricing, with crowds are light for this destination.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.

Flexible dates? July scores 6.5 points higher here — enough to change the trip.

FAQ

Frequently asked

When is the best time to visit Santiago de Compostela, Spain?
In Ideal Weather mode, the best months to visit Santiago de Compostela are July, August. July is the single peak month with an Ideal Weather score of 9.8/10 based on temperature, rainfall, humidity, daylight and days with 6+ hours of sunshine.
What is the weather like in Santiago de Compostela year-round?
Santiago de Compostela has a climate profile suited to sightseeing and cultural travel. Average monthly temperatures range from 9°C in January to 21°C in August, with Ideal Weather scores between 3.3 and 9.8 out of 10.
Which months should I avoid in Santiago de Compostela?
The lowest Ideal Weather-scoring months in Santiago de Compostela are December (3.3/10), January (3.7/10), November (3.7/10). These months typically combine less comfortable temperatures, higher rainfall or fewer days with 6+ hours of sunshine.
When is the rainy season in Santiago de Compostela?
October is the wettest month in Santiago de Compostela, averaging about 288 mm of rainfall. August is the driest, at roughly 19 mm.
Which is the sunniest month in Santiago de Compostela?
July sees the most sun in Santiago de Compostela, with about 31 days with 6+ hours of sunshine on average - ideal for outdoor plans.
Is Santiago de Compostela a good destination for sightseeing and cultural travel?
Santiago de Compostela is well suited to sightseeing and cultural travel. Its highest Ideal Weather window (July, August) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Santiago de Compostela calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for Santiago de Compostela: temperature comfort, precipitation, humidity, daylight hours, and days with 6+ hours of sunshine - weighted for sightseeing and cultural travel.

Climate data: Open-Meteo ERA5 historical archive, the five most recent complete years (2021–2025). Scores are monthly averages for that window, not forecasts, and short-window precipitation can differ from longer-term normals. “Sunny days” count days with at least 6 hours of measured sunshine — they are not dry days.

12

Explore by month

Curated in Santiago de Compostela

Tickets & experiences

More destinations in Spain