San Sebastián weather in June
June in San Sebastián: warm, dry, with clean air — an excellent time to visit.
#7 of 12 months in San Sebastián · #262 of 604 destinations to visit in June · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Sebastián climate normals — June
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 5 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 12.7 h/day | |
| Daylight | 13.9 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is San Sebastián?
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San Sebastián in June — FAQ
- Is June a good time to visit San Sebastián?
- June in San Sebastián: warm, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for San Sebastián on SeasonMap's comfort score (84/100).
- What is the weather like in San Sebastián in June?
- In June, San Sebastián averages a daily high of 24.3°C and a low of 22°C, with about 5.1 mm of rain over roughly 0.8 rainy days.
- What is the air quality in San Sebastián in June?
- San Sebastián has a mean US Air Quality Index of about 37 in June.