Santiago de Compostela
June to September.
June to September are the best months, with afternoon highs of 22 to 25 degrees and five to eight rain days a month. From October to May it rains on 12 to 16 days a month, and January and December are the coldest and wettest. The pilgrim season brings the most visitors, so no month is entirely quiet at the cathedral.
Data checked on November 2, 2026
| Month | High | Low | Rainy days | Verdict |
|---|---|---|---|---|
| January | 11.2 °C | 4.1 °C | 15.2 | · |
| February | 12.5 °C | 4.1 °C | 12.6 | · |
| March | 15 °C | 5.4 °C | 12.8 | · |
| April | 16.1 °C | 6.2 °C | 14.4 | · |
| May | 18.6 °C | 8.5 °C | 12.7 | · |
| June | 22.2 °C | 11.3 °C | 7.6 | Best |
| July | 24.3 °C | 13 °C | 5.7 | Best |
| August | 24.7 °C | 13.3 °C | 5.5 | Best |
| September | 22.8 °C | 11.9 °C | 8.4 | Best |
| October | 18.1 °C | 9.5 °C | 14 | · |
| November | 14.1 °C | 6.7 °C | 14.9 | · |
| December | 11.9 °C | 5 °C | 15.9 | · |
Climate averages: Agencia Estatal de Meteorología.
7 to 17 °C · about 13 rainy days a month
Highs rise from 15 degrees in March to about 19 in May, with 13 to 14 rain days a month. The mornings are cool and the lanes are damp.
What to wear: Bring a waterproof jacket and shoes that cope with wet granite.
13 to 24 °C · about 6 rainy days a month
Afternoons reach 22 to 25 degrees and rain is least common, on five to eight days a month. It is the easiest season for outdoor stops.
What to wear: Wear light clothes, with a thin layer for the evening and a waterproof in the bag.
9 to 18 °C · about 12 rainy days a month
September is still mild at about 23 degrees, October falls to 18 and November to 14. Rain returns, on 14 to 15 days a month in October and November.
What to wear: Bring a waterproof jacket and a warm layer, and shoes with grip.
4 to 12 °C · about 15 rainy days a month
Highs are 11 to 12 degrees and lows 4 to 5, with 13 to 16 rain days a month. Days are short and the lanes are wet.
What to wear: Wear a warm coat, a waterproof layer and shoes that grip wet stone.
Rain is common and does not stop a visit, since the old town has arcades and many stops are indoors. The cathedral museum, the Museum of Pilgrimage, San Martiño Pinario and the Museum of the Galician People are all covered. Keep the roofs, the Alameda and the City of Culture for a dry spell.
Summer afternoons are mild, at 22 to 25 degrees on average, so heat is rarely a problem. The old town has little shade on the open squares, so a hat helps at midday. Carry water for the City of Culture, which is mostly outdoors.