Santiago de Compostela in May
6.6out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 13 rainy days.
18°CAvg high
10°CAvg low
13Rainy days (91 mm)
14:27 hDaylight
07:17Sunrise · 21:44 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 13 rainy days
- Rain varies a lot between years (±5.3 days)
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±5.3 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 11°C | 5°C | 141 mm | 14 | – | – | 5.3 |
| February | 12°C | 5°C | 101 mm | 12 | – | – | 5.9 |
| March | 14°C | 7°C | 106 mm | 12 | – | – | 6.1 |
| April | 15°C | 8°C | 115 mm | 14 | – | – | 5.9 |
| May | 18°C | 10°C | 91 mm | 13 | – | – | 6.6 |
| June | 20°C | 12°C | 54 mm | 9 | – | – | 7.6 |
| July | 22°C | 14°C | 30 mm | 6 | – | – | 8.3 |
| August | 23°C | 14°C | 44 mm | 7 | – | – | 8.1 |
| September | 21°C | 13°C | 69 mm | 9 | – | – | 7.7 |
| October | 18°C | 11°C | 140 mm | 14 | – | – | 6.3 |
| November | 14°C | 8°C | 152 mm | 15 | – | – | 5.4 |
| December | 12°C | 6°C | 142 mm | 14 | – | – | 5.4 |
Frequently asked questions
How hot is Santiago de Compostela in May?
Daytime highs average 18°C and nights about 10°C.
When is the best time to visit Santiago de Compostela?
The best months are July, August.