San Sebastian, Spain

San Sebastian, Spain

July beach and weather guide

Based on 5 years of historical ERA5 climate data

Photo by Raúl Cacho Oses on Unsplash

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July beach conditions — historical average

Good
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📉 Our data shows more unsettled conditions in 2024-2025 compared to 2021-2022 for this destination and time of year
24.5°C Temp
23.0°C Sea temp
5.6 Rain days
11.6h Sunshine hrs
81.1% Humidity

Year by year — mid July

2025 Good 24.7°C · 6 rainy days · 11.6h sun
2024 Good 23.8°C · 6 rainy days · 11.1h sun
2023 Mixed 24.0°C · 8 rainy days · 10.4h sun
2022 Excellent 28.3°C · 3 rainy days · 12.6h sun
2021 Mixed 21.7°C · 5 rainy days · 12.4h sun

Other months in San Sebastian

June July August September

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Trip type

Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

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About San Sebastian in July

Based on 5 years of ERA5 historical climate data, July in San Sebastian has historically been good for a beach holiday. Average temperatures of 24.5°C with sea temperatures around 23.0°C and 5.6 rainy days on average.

0 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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