San Sebastián Weather in December

What's the weather like in San Sebastián (San Vicente) in December 2024?

The climate in San Sebastián during December can be summarized as hot, humid and dry.

December is in the winter in San Sebastián and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 16°C (61°F) is normal.

San Sebastián weather averages (imperial / metric)
Daytime temperature 30.2°C 86.4°F
Nightly temperature 16°C 60.8°F
Average temperature 23.1°C 73.6°F
Daily sunshine 8.2 hrs
Avg rainfall 11 mm 0.4 ins
Rainy days 6 days
Sea temperature 28.3°C 82.9°F
Humidity 70%
Windspeed 11.9kph 7 mph

On average December is the 3rd driest month of the year in San Sebastián with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.2 hours of sunshine per day.

December temperatures in San Sebastián

San Sebastián average temperature in December

December rainfall

San Sebastián average rain in December

December hourly sunshine

San Sebastián average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Sebastián in December 2024.

Other monthly averages

Best places to visit in December

UV index Best time to go?

San Sebastián weather stats

San Sebastián weather statistics
Hottest month: April 32.8°C 91°F
Driest month: February 10mm 0.4ins
Sunniest month: March 9.4hrs
Coldest month: December 29.9°C 85.8°F
Wettest month: September 357mm 14.1ins
Map showing location of San Sebastián (13.73333, -88.83333) San Sebastián map pin © Google

Locations nearby

Top El Salvador locations