When is the best time to go to San Sebastián
The chart above shows the best time of year to visit San Sebastián, Spain. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in San Sebastián
San Sebastián weather by month
Please note our recommendations for when to visit San Sebastián are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 127mm | 3.3hrs | 10.4hrs | 13°C |
San Sebastián's weather in January is typically cool and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in San Sebastián and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 4°C (40°F) is normal.
On average January is the driest month of the year in San Sebastián with around 127mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.3 hours of sunshine per day.
San Sebastián weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 11°C | 103mm | 3.9hrs | 11.5hrs | 12°C |
February in San Sebastián is generally damp with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in San Sebastián and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 5°C (41°F) is normal.
On average February is the 2nd driest month of the year in San Sebastián with around 103mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.9 hours of sunshine per day.
San Sebastián weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 103mm | 4.8hrs | 12.8hrs | 12°C |
The weather in March in San Sebastián is characteristically cool and damp.
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in San Sebastián and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (42°F) is normal.
On average March is the 3rd driest month of the year in San Sebastián with around 103mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.8 hours of sunshine per day.
San Sebastián weather in March »
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 122mm | 5.1hrs | 14.4hrs | 13°C |
San Sebastián's weather in April is typically mild and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
April is in the spring in San Sebastián and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 8°C (46°F) is normal.
On average April is the 4th driest month of the year in San Sebastián with around 122mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
San Sebastián weather in April »
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 107mm | 6.2hrs | 15.7hrs | 15°C |
May is a damp month in San Sebastián and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit San Sebastián.
May is in the spring in San Sebastián and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (50°F) is normal.
On average May is the 5th driest month of the year in San Sebastián with around 107mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
San Sebastián weather in May »
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 77mm | 7.1hrs | 10.4hrs | 19°C |
June is a reasonably dry month in San Sebastián and the temperature is generally mild.
It is perhaps the perfect month to visit San Sebastián, with some particularly good weather at this time of year.
June is in the summer in San Sebastián and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 13°C (55°F) is normal.
On average June is the 6th driest month of the year in San Sebastián with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
San Sebastián weather in June »
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 62mm | 7.6hrs | 11.5hrs | 21°C |
July in San Sebastián is generally reasonably dry with the temperature being warm.
It is perhaps the perfect month to visit San Sebastián, with some very good weather at this time of year.
July is in the summer in San Sebastián and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 15°C (60°F) is normal.
On average July is the 6th wettest month of the year in San Sebastián with around 62mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
San Sebastián weather in July »
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 90mm | 7hrs | 12.8hrs | 22°C |
The weather in August in San Sebastián is characteristically warm and a little damp.
It is perhaps the perfect month to visit San Sebastián, with some extremely good weather at this time of year.
August is in the summer in San Sebastián and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (60°F) is normal.
On average August is the 5th wettest month of the year in San Sebastián with around 90mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
San Sebastián weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 20°C | 97mm | 6.4hrs | 14.4hrs | 20°C |
San Sebastián's weather in September is typically warm and a little damp in nature.
It is perhaps the perfect month to visit San Sebastián, with some inordinately good weather at this time of year.
September is in the fall / autumn in San Sebastián and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 14°C (57°F) is normal.
On average September is the 4th wettest month of the year in San Sebastián with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
San Sebastián weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 121mm | 5hrs | 15.7hrs | 18°C |
October is a wet month in San Sebastián and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit San Sebastián.
October is in the fall / autumn in San Sebastián and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 19°C (67°F), whilst at night 11°C (52°F) is normal.
On average October is the 3rd wettest month of the year in San Sebastián with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
San Sebastián weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 13°C | 143mm | 3.8hrs | 10.4hrs | 15°C |
Mild and wet weather often prevails in San Sebastián during the month of November
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in San Sebastián and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night 7°C (45°F) is normal.
On average November is the 2nd wettest month of the year in San Sebastián with around 143mm 5.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.8 hours of sunshine per day.
San Sebastián weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 133mm | 3.1hrs | 11.5hrs | 14°C |
December in San Sebastián is generally wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to San Sebastián for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in San Sebastián and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 5°C (41°F) is normal.
On average December is the wettest month of the year in San Sebastián with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.1 hours of sunshine per day.
Other monthly averages
San Sebastián weather stats
| Hottest month: | August | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | July | 62mm 2.4ins |
| Sunniest month: | July | 7.6hrs |
| Coldest month: | January | 10.9°C 51.6°F |
| Wettest month: | November | 143mm 5.6ins |
| Warmest sea: | August | 21.8°C 71.2°F |
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