Santiago de Compostela, in northwest Spain, features a mild, oceanic climate with abundant rainfall and moderate temperatures year-round. Summers are pleasantly warm and relatively dry, while winters are mild but wet and cloudy. The city’s weather is shaped by Atlantic winds, making it one of Spain’s greenest and most atmospheric destinations for travellers.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colours of the months:
The colour shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the colour is shows the travel season: full colour means high season, soft colour means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The grey info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Santiago de Compostela has a temperate oceanic climate, marked by mild temperatures and significant rainfall throughout the year. Average daily temperatures range from 8–10°C in winter (January–February) to 18–19°C in summer (July–August), with daytime highs peaking at 24–25°C in August and dropping to 12–13°C in the coldest months. Frost and snow are rare, though nights can occasionally dip below freezing, and snow seldom settles for long.
Rainfall is a defining feature, with the city receiving between 1,200 and 1,900 mm annually, depending on the source. The wettest period is from October to February, with December and January each seeing over 150–200 mm and more than 15 rainy days per month. Summers, particularly July and August, are much drier, averaging just 30–40 mm of rain and 5–7 rainy days monthly. Humidity is high year-round, peaking in late autumn and winter.
Sunshine varies by season: summer brings up to 8–9 hours of sun per day, while winter may see only 3–4 hours. Daylight ranges from about 9 hours in December to over 15 hours in June. Winds are moderate, often from the Atlantic, and fog is common, especially in autumn and winter. These conditions contribute to the lush green landscapes and the city’s mystical ambiance, especially along the famous pilgrimage routes.
| Average climate data for Santiago de Compostela, Spain | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 10 | 11 | 14 | 16 | 19 | 22 | 24 | 24 | 23 | 19 | 13 | 12 | 24 |
| Average minimum temperature (°C) | 4 | 4 | 5 | 6 | 8 | 11 | 12 | 13 | 12 | 10 | 7 | 5 | 4 |
| Average precipitation (mm) | 119 | 82 | 72 | 59 | 39 | 44 | 21 | 23 | 23 | 87 | 126 | 95 | 789 |
| Average rainfall days (days) | 19 | 15 | 16 | 18 | 14 | 14 | 11 | 10 | 10 | 14 | 19 | 17 | 177 |
| Average snowfall (mm) | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 9 |
| Average snowfall days (days) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Average relative humidity (%) | 91 | 87 | 84 | 84 | 81 | 80 | 79 | 77 | 79 | 84 | 91 | 88 | 84 |
| Average wind speed (km/h) | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 9 |
| Average daily daylight hours (h) | 9 | 10 | 12 | 13 | 14 | 15 | 15 | 13 | 12 | 11 | 9 | 9 | 12 |
| Average daily sunshine hours (h) | 3 | 5 | 6 | 6 | 7 | 9 | 9 | 8 | 8 | 6 | 5 | 4 | 6 |
| Average cloud coverage (%) | 65 | 58 | 54 | 58 | 54 | 51 | 47 | 46 | 45 | 50 | 64 | 59 | 54 |
| Average UV index | 2 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 4 | 3 | 2 | 4 |
The best time to visit Santiago de Compostela is from June to September, when the weather is warm (21–25°C), rainfall is low, and days are long and sunny. These months are ideal for exploring the city’s historic sites, enjoying outdoor cafés, and walking the Camino in comfortable conditions.
The least favourable time to visit is from November to February, when the city experiences its wettest and cloudiest weather. Frequent rain, high humidity, and shorter daylight hours can limit outdoor activities and make travel less comfortable, though the city retains its atmospheric charm.
Santiago de Compostela has a mild, oceanic climate with abundant rainfall, especially in autumn and winter. Summers are warm and relatively dry, while winters are mild but wet and cloudy. Temperatures rarely reach extremes.
The driest months are July and August, with average rainfall of just 30–40 mm and only 5–7 rainy days per month. These months also offer the most sunshine and warmest temperatures.
Snow is rare in Santiago de Compostela. Occasional flurries may occur in winter, but snow rarely settles on the ground for long due to mild daytime temperatures.
Annual rainfall ranges from 1,200 to 1,900 mm, with the wettest months being November to January. Rain is frequent in autumn and winter, while summer is much drier.
Bring layers and always include a rain jacket and waterproof shoes, as rain is frequent year-round. For summer, pack sun protection and lighter clothing. In winter, warm and waterproof gear is essential.
Yes, especially from late spring to early autumn when the weather is mild and dry. However, rain can occur at any time, so be prepared with appropriate clothing.
The warmest month, with the highest average maximum temperature, is August (24.4 °C). The month with the lowest average maximum temperature is January (10.5 °C). Overall, the average maximum temperature over the whole year is 17.3 °C.
The month with the highest average minimum temperature is August (12.8 °C). The coldest month, with the lowest average minimum temperature, is February (3.9 °C). Overall, the average minimum temperature over the whole year is 8.1 °C.
The wettest month, with the highest amount of precipitation, is November (125.6 mm). The driest month, with the least amount of precipitation, is July (20.8 mm). Over the whole year there are 789.4 mm of rainfall on average.
The month with the most days of rain is November (19.2 days). The month with the fewest days of rain is August (9.8 days). Over the whole year there are 177.1 days of rain on average.
The month with the most snowfall is December (3 mm). The months with the least snowfall are March, April, May, June, July, August, September and October (0 mm). Over the whole year there are 9 mm of snowfall on average.
The month with the most days of snowfall is January (0.6 days). The months with the fewest days of snowfall are April, June, July and November (0 days). Over the whole year there are 1.7 days of snowfall on average.
The month with the highest average relative humidity is January (90.6 %). The month with the lowest average relative humidity is August (77.2 %). The overall average relative humidity over the whole year is 83.6 %.
The windiest month, with the highest average wind speed, is February (11.1 km/h). The calmest month, with the lowest average wind speed, is September (8.2 km/h). The overall average wind speed over the whole year is 9.5 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is January (65.3 %). The month with the clearest skies, so the lowest cloud coverage, is September (45 %). Over the whole year there is an average cloud coverage of 54.4 %.
The month with the longest days, so the most daylight, is June (Average daylight: 15 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is June (Average sunshine: 9.1 h). The month with the least sunshine per day is January (Average sunshine: 3.1 h). Over the whole year there are 6.4 h of sunlight per day on average.
The months with the highest average UV index are June, July and August (UV index: 5). The months with the lowest average UV index are January, February and December (UV index: 2). Over the whole year the average UV index is 3.5.
