San Sebastian in december: average Weather, Temperature and Climate
Weather in San Sebastian in december 2026
The weather in San Sebastian in the month of december comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
tolerable weather 5.1cm
Weather at 6am
49°F
Clear/Sunny
34% of time
22%
19%
18%
Weather at 12pm
54°F
Clear/Sunny
37% of time
23%
20%
13%
Weather at 6pm
50°F
Clear/Sunny
36% of time
23%
19%
16%
Weather at 3am
49°F
35%
27%
20%
10%
Evolution of daily average temperature and precipitation in San Sebastian in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Sebastian in december.
The climate of San Sebastian in december is tolerable
the weather in San Sebastian in december is wet (with 5.9in of precipitation over 8 days). It should be noted an improvement from the previous month since in november it receives an average of 8.9in of rainfall over 11 days.
The climate is relatively fresh here december, but it is bearable when dressing hot. The thermometer averaged maximum of 56°F. In the morning the temperature drops to 49°F. Thus, the mean temperature average on this month of december in San Sebastian is 52°F. Note that these seasonal averages are in contrast with those observed in San Sebastian in december with a maximum record of 68°F in 2021 and a minimum record of 29°F in 2010.
On this month of december, day length in San Sebastian is generally 09:00. The sun rises at 08:33 and sunset is at 17:33.
With proper weather, december is okay (but not good) to go there.
December: another location in Spain?
If you want to go to Spain in december, there are destinations with better weather than San Sebastian:
In december, Alicante, Malaga, Sevilla, Almeria, Benidorm and Cartagena have good weather.
Seasonal average climate and temperature of San Sebastian in december
Check below seasonal norms These statistics are generated from the weather statements of the past years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 52°F | ||||
| Highest temperature | 56°F | ||||
| Lowest temperature | 49°F | ||||
| Highest record temperature | 68°F (2021) | ||||
| Lowest record temperature | 29°F (2010) | ||||
| Number of days at +65°F | 0 day(s) (0%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 58°F | ||||
| Lowest sea temperature | 55°F | ||||
| Highest sea temperature | 61°F | ||||
| Wind | |||||
| Wind speed | 20km/h | ||||
| Wind temperature | 45°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.9in | ||||
| Number of days with rainfall | 8 day(s) (27%) | ||||
| Record daily rainfall | 1.8in (2020) | ||||
| Snowfall | 5.1cm | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.34km | ||||
| Cloud cover | 47% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 08:33 | ||||
| Time of sunset | 17:33 | ||||
| Length of day | 09:00 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last december?
Here is the day by day recorded weather in San Sebastian in december 2025:
43°F to 56°F
45°F to 49°F
45°F to 50°F
49°F to 50°F
47°F to 54°F
54°F to 59°F
54°F to 65°F
49°F to 63°F
50°F to 61°F
50°F to 56°F
49°F to 59°F
50°F to 58°F
49°F to 58°F
49°F to 59°F
54°F to 59°F
50°F to 58°F
50°F to 56°F
52°F to 59°F
52°F to 54°F
50°F to 56°F
41°F to 50°F
40°F to 49°F
47°F to 50°F
47°F to 50°F
38°F to 41°F
38°F to 45°F
47°F to 56°F
45°F to 56°F
45°F to 56°F
49°F to 52°F
43°F to 45°F
Map: other cities in Spain in december
Cities near San Sebastian:
| Zarautz in december | tolerable weather |
| Getaria in december | tolerable weather |
| Pamplona in december | very bad weather |
| Bilbao in december | tolerable weather |
| Logroño in december | very bad weather |
| Bardenas Reales in december | very bad weather |
| Tudela in december | very bad weather |
| Santander in december | tolerable weather |
| Torrelavega in december | tolerable weather |
| Soria in december | very bad weather |
| Burgos in december | very bad weather |
| Parque Nacional de Ordesa y Monte Perdido in december | very bad weather |
Click over cities on the map for information about the weather in december.
San Sebastian
perfect weather
good
tolerable
bad
very bad
Weather data for San Sebastian in december:
Weather data for San Sebastian for december are derived from an average of the weather forecast since 2009 in San Sebastian. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Sebastian can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Sebastian.