San Sebastián weather in July
July in San Sebastián: hot, dry, with clean air — an excellent time to visit.
#8 of 12 months in San Sebastián · #269 of 604 destinations to visit in July · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
San Sebastián climate normals — July
| Daytime high | 26°C / 79°F | 🥵 hot |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Feels like (high) | 30°C / 86°F | |
| Rainfall | 0 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 12.7 h/day | |
| Daylight | 13.7 h | |
| Wind | 26 km/h / 16 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 July — FAQ
- Is July a good time to visit San Sebastián?
- July in San Sebastián: hot, dry, with clean air — an excellent time to visit. It ranks #8 of 12 months for San Sebastián on SeasonMap's comfort score (81/100).
- What is the weather like in San Sebastián in July?
- In July, San Sebastián averages a daily high of 26.1°C and a low of 24°C, with about 0.4 mm of rain over roughly 0 rainy days.
- What is the air quality in San Sebastián in July?
- San Sebastián has a mean US Air Quality Index of about 37 in July.