Weather in Santander in August 2025
- August is usually the hottest month of the year in Santander;
Average weather
Average temperature in Santander in August
Going from a maximum of +39°C during the day to a minimum of +16°C during the night, the temperature in August averages around +24°C.
The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +25°C to +24°C.
Is Santander warm or cold in August?
Santander is typically warm in August.
Maximum temperatures go up compared to the previous month from +23°C to +24°C. The minimum temperature also goes up from +18°C to +18°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Santander, here is the comparison with other months:
Climate in Santander in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +23°C | +24°C | +23°C | ||||
| Min. temperature | ||||||
| +12°C | +12°C | +10°C | ||||
| Max. temperature | ||||||
| +34°C | +39°C | +34°C | ||||
| Rainfall | ||||||
| 59 mm | 66 mm | 83 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 81% | ||||
| Air pressure | ||||||
| 1018 HPa | 1017 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 5 | ||||
| Cloudy days | ||||||
| 9 | 10 | 8 | ||||
| Rainy days | ||||||
| 16 | 16 | 16 | ||||
| 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 +23°C to +24°C during the day. Prepare for more rain. Average rainfall goes from 59 mm to 66 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during August, staying around 2 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 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Santander is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Santander?
Climate Change over Years
The climate in Santander in August has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+17°C) and the highest in 1989 (+19°C). The driest year was 2011 with only 706 mm of rainfall, and the wettest year was 2023 with 1994 mm.
FAQ
Is August a good time to visit Santander?
Can you sunbathe in Santander in August?
Is Santander rainy in August?
Is it sunny in Santander in August?
Other cities in Spain
Monthly weather in Santander
Source of the data
For this page, we’ve looked at the typical weather in Santander, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
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.