Weather in Santander in May 2025
Average weather
Average temperature in Santander in May
The temperature in May is +19°C on average, with a range between a maximum of +31°C during the day and a minimum of +11°C at night.
The average maximum temperature goes up 15% by the end of the month, compared with the beginning of the month, from +17°C to +20°C.
Is Santander warm or cold in May?
Santander is typically mild in May.
Maximum temperatures go up compared to the previous month from +16°C to +18°C. The minimum temperature also goes up from +10°C to +13°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Santander:
Climate in Santander in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +16°C | +18°C | +21°C | ||||
| Min. temperature | ||||||
| +1°C | +5°C | +7°C | ||||
| Max. temperature | ||||||
| +28°C | +34°C | +35°C | ||||
| Rainfall | ||||||
| 107 mm | 87 mm | 68 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Humidity | ||||||
| 79% | 81% | 81% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 4 | 4 | 5 | ||||
| Cloudy days | ||||||
| 7 | 8 | 9 | ||||
| Rainy days | ||||||
| 19 | 19 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +16°C to +18°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 107 mm to 87 mm. Humidity rises from 79% to 81%. The average wind speed doesn’t change much during May, staying around 3 m/s. The amount of sunny days stay about the same, averaging 4 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Santander is gradually decreasing during May, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Santander?
Climate Change over Years
The climate in Santander in May 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 May a good time to visit Santander?
Can you sunbathe in Santander in May?
Is Santander rainy in May?
Is it sunny in Santander in May?
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, 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.