Best time to visit Santiago de Compostela
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Santiago de Compostela
9 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Santiago de Compostela).
- 1
Masaje del Peregrino - 2
Full body massage 60 minutes - 3
Couple Massage in Santiago de Compostela - 4
Santiago Food Tour Tapas Drinks and Delights with a Local - 5
Ribeira Sacra Tour; Canyons, Sil River and Ourense - 6
Santiago de Compostela Historic Walking Tour in Small Group - 7
Excursion to Finisterre + Muxia + Costa da Morte (7 stops) - 8
Rias Baixas Tour with Winery and Boat (optional) - 9
90 minute massage
Last refreshed 2026-06-14.
Similar climatesBraga92% · Porto89% · Montreux88%
Other destinations with the most-alike year-round climate to Santiago de Compostela (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Santiago de Compostela's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 5–12 | 10 | 13 | 220 | 16.9 | 81% | 20 | 130 | 1 | Quiet | 4 |
| Feb | 6–14 | 12 | 12 | 184 | 15.3 | 77% | 21 | 154 | 2 | Quiet | 5 |
| Mar | 7–15 | 12 | 15 | 216 | 14.4 | 74% | 21 | 187 | 3 | Quiet | 5 |
| Apr | 8–18 | 16 | 14 | 198 | 14.1 | 70% | 19 | 218 | 5 | Quiet | 6 |
| May | 11–20 | 19 | 13 | 169 | 13.0 | 68% | 20 | 256 | 5 | Quiet | 7 |
| Jun | 13–22 | 22 | 12 | 170 | 14.2 | 69% | 19 | 254 | 6 | Quiet | 7 |
| Jul | 15–26 | 26 | 6 | 81 | 13.5 | 62% | 20 | 292 | 7 | Quiet | 9 |
| Aug | 16–26 | 27 | 5 | 78 | 15.6 | 62% | 19 | 262 | 7 | Peak | 9 |
| Sep | 14–23 | 23 | 11 | 147 | 13.4 | 67% | 18 | 215 | 4 | Moderate | 7 |
| Oct | 12–19 | 19 | 18 | 295 | 16.4 | 77% | 21 | 153 | 3 | Quiet | 4 |
| Nov | 9–16 | 14 | 15 | 212 | 14.1 | 79% | 20 | 144 | 1 | Moderate | 5 |
| Dec | 7–13 | 11 | 17 | 278 | 16.4 | 83% | 20 | 121 | 1 | Moderate | 3 |
UV Index in Santiago de Compostela by Month
UV index in Santiago de Compostela peaks at 7 (high) in July, dropping to 1 (low) in January. June, July, August have high UV — SPF 30+ and sunglasses recommended.
Best months in detail
August
9/1016–26°C · 5 rain days (78h) · 262 sun hours · 62% humidity · Peak crowd · UV 7 (high) · sunniest 1 in 10 days reach 8 (very high)
July
9/1015–26°C · 6 rain days (81h) · 292 sun hours · 62% humidity · Quiet crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)
September
7/1014–23°C · 11 rain days (147h) · 215 sun hours · 67% humidity · Moderate crowd · UV 4 (moderate)
Every month
Show the other 9 months in detail
January
4/105–12°C (feels 10°C) · 13 rain days (220h) · 130 sun hours · 81% humidity · Quiet crowd · UV 1 (low)
February
5/106–14°C (feels 12°C) · 12 rain days (184h) · 154 sun hours · 77% humidity · Quiet crowd · UV 2 (low)
March
5/107–15°C (feels 12°C) · 15 rain days (216h) · 187 sun hours · 74% humidity · Quiet crowd · UV 3 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
April
6/108–18°C (feels 16°C) · 14 rain days (198h) · 218 sun hours · 70% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
May
7/1011–20°C (feels 19°C) · 13 rain days (169h) · 256 sun hours · 68% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)
June
7/1013–22°C · 12 rain days (170h) · 254 sun hours · 69% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 9 (very high)
October
4/1012–19°C · 18 rain days (295h) · 153 sun hours · 77% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
November
5/109–16°C (feels 14°C) · 15 rain days (212h) · 144 sun hours · 79% humidity · Moderate crowd · UV 1 (low)
December
3/107–13°C (feels 11°C) · 17 rain days (278h) · 121 sun hours · 83% humidity · Moderate crowd · UV 1 (low)
Frequently asked questions about visiting Santiago de Compostela
When is the best time to visit Santiago de Compostela?
August is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 16–26°C (5 rainy days). The top three months by score are August, July, September.
What is the worst time to visit Santiago de Compostela?
December is the lowest-scoring month (3/10). Typical conditions: 7–13°C (17 rainy days).
When are crowds lowest in Santiago de Compostela?
Search-interest seasonality (Google Trends 2021-2025) is lowest in January and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Santiago de Compostela have good weather but fewer tourists?
July (climate 9/10, crowd index 34) and May (climate 7/10, crowd index 25) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Santiago de Compostela by month?
UV peaks at 7 (high) in July and is lowest in January at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 3, Apr 5, May 5, Jun 6, Jul 7, Aug 7, Sep 4, Oct 3, Nov 1, Dec 1.
What is the UV index in Santiago de Compostela in July?
July is the peak UV month in Santiago de Compostela, with a daily-peak UV index of 7 (high). Apply SPF 30+, wear sunglasses, and seek shade during midday hours.
How high can UV get in Santiago de Compostela on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 7 (high), but the top 10% of days reach UV 9 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, April, May, June, July, August, October. Plan sun protection for the worst case, not the average.
Is air quality in Santiago de Compostela bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 1 month: February. The worst month is February with a typical-day mean of 9 µg/m³ (fair); on the worst 10% of days PM2.5 reaches 18 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.