Climate Insights for San Sebastián

The climate in San Sebastián is cool. The average annual temperature is 7°C and approximately 433 mm of precipitation falls per year. March is the wettest month, receiving around 52 mm of rainfall. San Sebastián is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, December. The coldest months are July, June, August, when temperatures can drop to 1°C. Light snow can occur between June and September.The climate in San Sebastián is cool. The average annual temperature is 45°F and approximately 17 in of precipitation falls per year. March is the wettest month, receiving around 2 in of rainfall. San Sebastián is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: February, January, December. The coldest months are July, June, August, when temperatures can drop to 34°F. Light snow can occur between June and September.

San Sebastián sees moderate temperature variation throughout the year, ranging from 1°C to 14°C. February is the warmest month, though highs remain moderate at 14°C with a mean of 11°C. July is the coolest month, with minimum temperatures around 1°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between March and April, with a 2°C shift in average temperatures.San Sebastián sees moderate temperature variation throughout the year, ranging from 34°F to 57°F. February is the warmest month, though highs remain moderate at 57°F with a mean of 52°F. July is the coolest month, with minimum temperatures around 34°F and an average of 37°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows. The sharpest temperature change occurs between March and April, with a 4°F shift in average temperatures.

San Sebastián is a relatively dry area, receiving approximately 433 mm of precipitation annually, which averages out to around 36 mm per month. The wettest month is March, averaging 52 mm of rainfall. January and December also tend to see above-average precipitation. The driest month is September, with just 19 mm. That's 33 mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between June and September, totalling around 14cm annually. June is the snowiest month with approximately 6cm.San Sebastián is a relatively dry area, receiving approximately 17 in of precipitation annually, which averages out to around 1.4 in per month. The wettest month is March, averaging 2 in of rainfall. January and December also tend to see above-average precipitation. The driest month is September, with just 0.7 in. That's 1.3 in less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between June and September, totalling around 6in annually. June is the snowiest month with approximately 2in.

San Sebastián is moderately windy, with an average annual wind speed of 28km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 32km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 24km/h in winter, 29km/h in spring, 31km/h in summer, 26km/h in autumn.San Sebastián is very windy, with an average annual wind speed of 17mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 20mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 14mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6mph between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 15mph in winter, 18mph in spring, 19mph in summer, 16mph in autumn.

The table below shows monthly climate averages for San Sebastián based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for San Sebastián based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.