Climate averages 1991–2020
Donostia / San Sebastián weather
in July.
A warm, moderately wet month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Donostia / San Sebastián: daytime highs average 22.4°C and nights cool to about 16.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 82 mm of rain on roughly 13 days, which makes July a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 03 min on an average July day.
The nearest other city in this atlas is Pamplona (61 km away). In July its highs average 25.3°C, 2.9°C warmer than Donostia / San Sebastián, with 26 mm of rain.
Among the 93 cities listed in Spain, Donostia / San Sebastián ranks 88th of 93 for the warmest July highs and 92nd of 93 for the driest July (rainfall, lowest first). The mean July high of those 93 cities is 29.2°C; Donostia / San Sebastián is 6.8°C cooler than that mean.
From July to August, average highs rise by 0.9°C to 23.3°C, and monthly rainfall rises from 82 mm to 89 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Donostia / San Sebastián climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 11.2°C6.5°C | 6.5°C | 135 | 15.4 | 9.49 h |
| February | 11.6°C6.3°C | 6.3°C | 123 | 14.1 | 10.510 h |
| March | 13.7°C7.8°C | 7.8°C | 114 | 13.9 | 11.912 h |
| April | 15.1°C9.2°C | 9.2°C | 127 | 16.1 | 13.413 h |
| May | 18.0°C12.0°C | 12.0°C | 117 | 15.4 | 14.715 h |
| June | 20.6°C14.7°C | 14.7°C | 93 | 12.7 | 15.315 h |
| July, selected | 22.4°C16.7°C | 16.7°C | 82 | 12.6 | 15.115 h |
| August | 23.3°C17.4°C | 17.4°C | 89 | 12.9 | 14.014 h |
| September | 21.4°C15.6°C | 15.6°C | 96 | 12.9 | 12.513 h |
| October | 18.8°C13.3°C | 13.3°C | 128 | 14.3 | 11.111 h |
| November | 14.2°C9.6°C | 9.6°C | 170 | 15.7 | 9.810 h |
| December | 11.9°C7.5°C | 7.5°C | 138 | 15.1 | 9.09 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Pamplona in JulySpain · 61 kmHigh 25.3°C · Low 14.6°C · 26 mm rain
- Gasteiz / Vitoria in JulySpain · 77 kmHigh 24.1°C · Low 13.8°C · 32 mm rain
- Bilbao in JulySpain · 77 kmHigh 22.3°C · Low 16.9°C · 60 mm rain
- Barakaldo in JulySpain · 82 kmHigh 22.5°C · Low 16.8°C · 60 mm rain
- Logroño in JulySpain · 102 kmHigh 26.2°C · Low 14.8°C · 26 mm rain
- Pau in JulyFrance · 131 kmHigh 24.1°C · Low 15.1°C · 105 mm rain
- Santander in JulySpain · 149 kmHigh 23.7°C · Low 16.5°C · 54 mm rain
- Burgos in JulySpain · 177 kmHigh 25.5°C · Low 13.1°C · 23 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Donostia / San Sebastián) is explained once on the Donostia / San Sebastián year overview and on the Sources, method and limits page.