Find cheap hotels in San Sebastián

When is the Best Time to Explore San Sebastián?

If you're curious when is the best time of year to explore San Sebastián, you may find this information about seasonal weather helpful when you are organising your getaway. The warmest months in San Sebastián are typically September and August, whereas the coldest months are usually January and December. The months with the most rain are April and May, whereas August and July have the least.

Here's a rundown on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 22°C and at night it is 14°C. Seasonal average rainfall is 1596 mm.
• If you visit between April and June, you can expect an average temp of 23°C during the day and 14°C at night. Average rainfall during this season is 2074 mm.
• The daytime average temp from July to September is 25°C and the night-time average is 14°C. Average precipitation for this season is 909 mm.
• Between October and December, the average temp during the day is 23°C and 14°C at night. Seasonal average rain is 1655 mm.
• The average annual rainfall in San Sebastián is 6234 mm.