Weather in San Sebastian in May 2024
Average weather
Average temperature in San Sebastian in May
Going from a maximum of +90°F during the day to a minimum of +52°F during the night, the temperature in May averages around +70°F.
The average maximum temperature goes up 29% by the end of the month, compared with the beginning of the month, from +61°F to +72°F.
Is San Sebastian warm or cold in May?
San Sebastian is typically mild in May.
Maximum temperatures go up compared to the previous month from +61°F to +66°F. The minimum temperature also goes up from +50°F to +54°F.
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 San Sebastian:
Climate in San Sebastian in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +61°F | +66°F | +70°F | ||||
| Min. temperature | ||||||
| +34°F | +39°F | +48°F | ||||
| Max. temperature | ||||||
| +88°F | +97°F | +106°F | ||||
| Rainfall | ||||||
| 140 mm | 129 mm | 99 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 1 m/s | ||||
| Humidity | ||||||
| 75% | 77% | 79% | ||||
| Air pressure | ||||||
| 1014 HPa | 1015 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 5 | 5 | 5 | ||||
| Cloudy days | ||||||
| 12 | 14 | 16 | ||||
| Rainy days | ||||||
| 13 | 12 | 9 | ||||
| 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 +61°F to +66°F during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 140 mm to 129 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during May, staying around 2 m/s. The amount of sunny days stay about the same, averaging 5 sunny days during the month.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in San Sebastian is gradually increasing during May, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in San Sebastian?
Climate Change Over the Years
The climate in San Sebastian in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+60°F) and the highest in 2012 (+78°F). The driest year was 1987 with only 43 mm of rainfall, and the wettest year was 2019 with 526 mm.
FAQ
Is May a good time to visit San Sebastian?
Can you sunbathe in San Sebastian in May?
Is San Sebastian rainy in May?
Is it sunny in San Sebastian in May?
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.