Climate averages 1991–2020

Santiago de Compostela weather
in October.

A mild, wet month: the joint 5th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 17.8°C Daytime mean, October
Average low 10.2°C Night-time mean, October
Rainfall 140 mm 14 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Santiago de Compostela · average highYear overview

October is a mild month in Santiago de Compostela: daytime highs average 17.8°C and nights cool to about 10.2°C. By daytime temperature it is the joint 5th warmest of the 12 months.

Expect about 140 mm of rain on roughly 14 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 05 min on an average October day.

The nearest other city in this atlas is Pontevedra (51 km away). In October its highs average 19.6°C, 1.8°C warmer than Santiago de Compostela, with 199 mm of rain.

Among the 93 cities listed in Spain, Santiago de Compostela ranks 88th of 93 for the warmest October highs and 91st of 93 for the driest October (rainfall, lowest first). The mean October high of those 93 cities is 21.1°C; Santiago de Compostela is 3.3°C cooler than that mean.

From October to November, average highs fall by 4.4°C to 13.4°C, and monthly rainfall rises from 140 mm to 151 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Santiago de Compostela climate table

1991–2020
Monthly climate averages for Santiago de Compostela, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 10.8°C4.0°C4.0°C14113.99.49 h
February 11.7°C3.8°C3.8°C10111.710.511 h
March 14.0°C5.3°C5.3°C10612.111.912 h
April 15.3°C6.6°C6.6°C11514.413.413 h
May 17.8°C9.1°C9.1°C9213.014.615 h
June 20.8°C11.7°C11.7°C548.715.315 h
July 23.1°C13.7°C13.7°C305.915.015 h
August 23.6°C14.2°C14.2°C447.213.914 h
September 21.7°C12.6°C12.6°C699.112.513 h
October, selected 17.8°C10.2°C10.2°C14013.511.111 h
November 13.4°C7.0°C7.0°C15115.39.810 h
December 11.5°C4.9°C4.9°C14213.89.19 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Santiago de Compostela

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Santiago de Compostela) is explained once on the Santiago de Compostela year overview and on the Sources, method and limits page.