Weather in San Sebastian in August 2024
- August is usually the hottest month of the year in San Sebastian;
- August is usually the wettest month of the year in San Sebastian;
Average weather
Average temperature in San Sebastian in August
Going from a maximum of +93°F during the day to a minimum of +61°F during the night, the temperature in August averages around +79°F.
The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +77°F to +73°F.
Is San Sebastian warm or cold in August?
San Sebastian is typically warm in August.
Maximum temperatures go down compared to the previous month from +73°F to +75°F. The minimum temperature also goes up from +64°F to +64°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in San Sebastian, here is the comparison with other months:
Climate in San Sebastian in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +73°F | +75°F | +73°F | ||||
| Min. temperature | ||||||
| +54°F | +54°F | +45°F | ||||
| Max. temperature | ||||||
| +106°F | +102°F | +99°F | ||||
| Rainfall | ||||||
| 93 mm | 100 mm | 107 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 80% | 80% | 78% | ||||
| Air pressure | ||||||
| 1017 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 7 | ||||
| Cloudy days | ||||||
| 17 | 16 | 14 | ||||
| Rainy days | ||||||
| 9 | 10 | 9 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +73°F to +75°F during the day. Prepare for more rain. Average rainfall goes from 93 mm to 100 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during August, staying around 1 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Sebastian is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in San Sebastian?
Climate Change Over the Years
The climate in San Sebastian in August has not changed that much over the last 43 years.
The average temperature was the lowest in 2002 (+74°F) and the highest in 2016 (+90°F). The driest year was 2016 with only 28 mm of rainfall, and the wettest year was 2020 with 335 mm.
FAQ
Is August a good time to visit San Sebastian?
Can you sunbathe in San Sebastian in August?
Is San Sebastian rainy in August?
Is it sunny in San Sebastian in August?
Other cities in Spain
Monthly weather in San Sebastian
Source of the data
For this page, we’ve looked at the typical weather in San Sebastian, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.