San Sebastian Weather: August
 |
Average Day Temperature: | 79.7°F |
|
Average Night Temperature: | 63.1°F |
|
Sea Water Temperature: | 75.1°F |
|
Number of Sunny Days: | 16 days |
| Sunshine Hours: | 13.2 - 14.5 hours | |
|
Number of Rainy Days: | 4 days |
| Precipitation Totals: | 1.9 in | |
| detailed information | ||
forecast
| San Sebastian |
Temperature
| San Sebastian |
Air Temperature in August, °F
The highest day temperature in August 2025 was 105°F. The lowest night temperature was 57°F. The average values for day and night temperatures during August were 80.5°F и 62.7°F respectivly.
San Sebastian Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for San Sebastian was 76.5°F. The maximum and minimum values were 74.6°F and 78.8°F respectively.
Most of the days in August are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in August, in
Precipitation total in August for San Sebastian is 1.9 in. It makes august one of the least rainy months of the year.
The average wind speed in August is 5.7 mph. It makes August the most windless month of the year for San Sebastian.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Sebastian in August is 8.9 hours.
San Sebastian on the Weather Map
| Alicante |  |
+56 |
| Barcelona | |
+48 |
| Costa Brava |  |
+46 |
| Eivissa | |
+60 |
| Fuerteventura | |
+66 |
| Gran Canaria | |
+62 |
| Lloret de Mar | |
+46 |
| Madrid | |
+42 |
| Malaga |  |
+54 |
| Palma de Majorka | |
+54 |
| Palma de Mallorca | |
+54 |
| Salou | |
+50 |
| Tenerife |  |
+64 |
| Torrevieja | |
+56 |
| Valencia | |
+56 |
| 0900 |  |
46°F | N 7 mph |
| 1200 |  |
50°F | N 8 mph |
| 1500 | |
50°F | N 8 mph |
| 1800 |  |
50°F | N 9 mph |
| 2100 | |
50°F | N 9 mph |
| 0000 | |
50°F | N 9 mph |
| 0300 | |
52°F | N 9 mph |
| 0600 | |
52°F | N 7 mph |