Santiago de Compostela weather in October

In October, Santiago de Compostela sees average daytime highs of 18°C and overnight lows near 11°C, with 140 mm of rain across 13.5 wet days and about 10.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 23% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 h 06 min by month's end. Set against the rest of the year, October is Santiago de Compostela's 7th-clearest and 8th-windiest month. For the whole year in context, see Santiago de Compostela's year-round climate.

Daytime high
18°
5th warmest
Overnight low
11°
8th coldest
Rainfall
140 mm
13.5 wet days
Daylight
10 h 48 min
7:55 AM – 6:43 PM
Cloud cover
65%
7th clearest
Wind
13 km/h
8th windiest
Solar energy
2.74 kWh/m²
Travel score
5.2
out of 10

Santiago de Compostela is city in Spain.

Air quality
Good
PM2.5 9.7 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 16°C by the end.

A typical October day in Santiago de Compostela reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, October runs about 3°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11912
21912
31912
41912
51912
61912
71912
81912
91911
101811
111811
121811
131811
141811
151811
161811
171811
181811
191711
201711
211711
221711
231711
241711
251710
261710
271710
281610
291610
301610
311610

Santiago de Compostela weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 14113.99.22.5
Feb12° / 10011.610.23.0
Mar14° / 10612.111.63.9
Apr15° / 11514.413.14.1
May18° / 10°9213.114.45.2
Jun20° / 12°548.715.16.5
Jul22° / 14°305.914.87.5
Aug23° / 14°447.213.87.4
Sep21° / 13°699.112.36.7
Oct18° / 11°14013.510.85.2
Nov14° / 15115.39.53.5
Dec12° / 14213.88.92.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64060
74060
84060
93961
103862
113862
123862
133862
143862
153763
163763
173664
183664
193664
203664
213565
223565
233466
243367
253367
263367
273367
283268
293169
303169
313070

Chance of precipitation in October

Any precipitation

Santiago de Compostela gets around 140 mm of rain over 13.5 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 45% and peaks near 51% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
234
335
435
536
637
738
839
941
1042
1143
1244
1345
1446
1547
1647
1748
1848
1948
2049
2149
2249
2349
2449
2549
2649
2750
2850
2951
3051
3151

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
156377
257367
358357
460337
561327
662317
763307
864297
966286
1067276
1167276
1269265
1369265
1469265
1571254
1671254
1770264
1871263
1971263
2071263
2171263
2272253
2372253
2473252
2573252
2674242
2774242
2875232
2976222
3077212
3178202

Wind in October

Winds average 13 km/h in October.

Across October, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 7:37 AM to 8:14 AM, and sunset from 7:09 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:377:09
211.57:387:08
311.47:397:06
411.47:417:04
511.37:427:02
611.37:437:00
711.27:446:59
811.27:456:57
911.17:466:55
1011.17:486:53
1111.07:496:52
1211.07:506:50
1311.07:516:48
1410.97:536:47
1510.97:546:45
1610.87:556:43
1710.87:566:42
1810.77:576:40
1910.77:596:39
2010.68:006:37
2110.68:016:36
2210.58:026:34
2310.58:046:33
2410.48:056:31
2510.48:066:30
2610.38:086:28
2710.38:096:27
2810.38:106:25
2910.28:116:24
3010.28:136:23
3110.18:146:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.74 kWh/m².

For context, solar energy here swings from a low near 1.34 kWh/m² to a high of 6.31 kWh/m² in July across the year — October's 2.74 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.7Moderate
172.7Moderate
182.6Moderate
192.6Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.3Moderate
272.3Moderate
282.2Moderate
292.2Moderate
302.1Moderate
312.1Moderate
Planning a trip in October

Is October a good time to visit Santiago de Compostela?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
5th-best month of the year
1.6
Beach & pool
5th-best month of the year

October is a reasonable time to visit Santiago de Compostela for sightseeing.

What to pack for Santiago de Compostela in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Santiago de Compostela sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear. About 14 days see rain.

rain gear

Sea temperature near Santiago de Compostela in October

The nearest coast averages about 16°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 47 km away) is warmest in August at about 17°C and coldest in February near 13°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May15Bracing
Jun16Cool
Jul17Cool
Aug17Cool
Sep17Cool
Oct16Cool
Nov15Cool
Dec14Bracing

UV index in Santiago de Compostela in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santiago de Compostela peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Santiago de Compostela?

Santiago de Compostela sits at 42.9°N, 8.5°W, 257 m above sea level, in Spain. The nearest listed city is Teo, 10 km away.

Topography around Santiago de Compostela

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de Compostela.

Within 3 km, the terrain around Santiago de Compostela has significant variations in elevation — a maximum elevation change of 332 m around an average of 265 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 519 m; within 80 km, large variations in elevation — a maximum elevation change of 1,174 m.

The land around Santiago de Compostela is covered by trees (48%), artificial surfaces (29%) and grassland (22%) within 3 km, trees (64%) and grassland (24%) within 16 km, and trees (45%), water (30%) and grassland (21%) within 80 km.

3 km
332 m
16 km
519 m
80 km
1,174 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Teo 10 km · Ribeira 18 km · A Estrada 22 km · Vilagarcía de Arousa 36 km · Boiro 38 km · Carballo 39 km · Lalín 43 km · Culleredo 47 km

Spain travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$38,627
2025
Happiness
6.5 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.7
per 100k, 2023
Road deaths
3.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 540
Religion
Roman Catholic 58%atheist 16%agnostic 11%non-believer 11%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santiago de Compostela (42.8805°, -8.5457°, elevation 257 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).