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San Sebastian weather in August

Weather in San Sebastian: August

Average day temperature: 76.7°F
Average night temperature: 61.8°F
Sea water temperature: 72.5°F
Number of sunny days: 16 days
Day length: 13.2 - 14.5 hours
Number of rainy days: 4 days
Precipitation totals: 2.0 in.

Air temperature in August, °F

Show year:
2024
2023
2022
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3
5
7
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13
15
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19
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25
27
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0
16
32
48
64
80
96
112
128
Day temperature   
Night temperature

The highest day temperature during August of 2024 was 98°F. At the same time the lowest night temperature was 54°F. Daily and nightly averages during August were 75.6°F and 60.5°F.

Sea water temperature in San Sebastian in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
67
69
71
73
75
77
79
81

The average sea water temperature in August of 2024 was 73.1°F. The highest and lowest sea temperatures during the month were 74.3°F and 72.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
43%
27%
30%

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.8
2.7
3.6
4.5
5.4
6.4
7.3
4.3
5.3
3.0
2.1
1.7
3.0
2.7
2.9
3.2
3.6
4.8
4.3
5.3
3.0
2.1
1.8
1.7
3.0
2.7
2.9
3.2
3.6
4.8

Precipitation total value in San Sebastian in August is 1.8 in. Other months of the year show relatively similar values.

Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.7
4.1
5.5
6.8
8.2
9.6
7.5
7.6
6.3
5.7
5.2
5.3
6.1
7.0
8.0
7.5
7.7
7.5
7.6
6.3
5.7
5.2
5.2
5.3
6.1
7.0
8.0
7.5
7.7

The average wind speed value in August is 5.2 mph It makes August one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.8
4.2
5.6
7.1
8.5
9.9
4.4
4.1
6.6
7.1
8.2
7.0
7.1
6.7
5.5
5.3
4.4
4.4
4.1
6.6
7.1
7.7
8.2
7.0
7.1
6.7
5.5
5.3
4.4

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.7.

Best time for vacation in San Sebastian

Sunniest months:
August 16 days
September 15 days
October 14 days
Warmest months:
August 76.7 °F
July 74.8 °F
September 73.7 °F
Warmest sea temp:
August 72.6 °F
July 71.1 °F
September 70.3 °F
Coldest months:
January 51.6 °F
February 53.5 °F
December 54.7 °F
Rainiest months:
November 9 days
January 8 days
February 7 days
Windiest months:
December 8.8 mph
November 8.7 mph
February 8.7 mph

San Sebastian on a weather map

Leaflet | Tiles © Esri
Places in Spain:
Name
°F
+59°F
+59°F
+57°F
+63°F
+59°F
+66°F
+54°F
+66°F
+50°F
+55°F
+54°F
+59°F
+64°F
24 Hours Forecast
San Sebastian
Local time: 00:09
April 06, sunday
0300
52°F
E
1 mph
0600
55°F
E
2 mph
0900
57°F
SE
3 mph
1200
61°F
SE
5 mph
1500
63°F
SE
6 mph
1800
59°F
SE
4 mph
2100
52°F
NE
3 mph
April 07, monday
0000
48°F
NE
4 mph
Units of measurement: °C / °F