World Resorts Spain Barcelona Weather

Barcelona sea water temperature

Current sea water temperature:
+59.7°F
Minimum sea water temperature in December: 63.7°F
Maximum sea water temperature in December: 56.5°F
Average sea water temperature in December: 59.9°F

Sea water temperature for the last 10 days:

December 21 59.7°F December 16 59.7°F
December 20 59.9°F December 15 59.7°F
December 19 60.3°F December 14 59.9°F
December 18 59.9°F December 13 59.5°F
December 17 59.5°F December 12 59.5°F

When is the warmest sea in Barcelona?

Based on the data about daily sea water temperature for the last three years the warmest sea in Barcelona was noticed in August, July and September.

Monthly Sea Temperatures in Barcelona, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.4°F. The highest and lowest sea temperatures during the month were 81.5°F and 78.8°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.6°F and 78.4°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 77.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 75.6°F.

Best time for vacation in Barcelona

Sunniest months:
July 26 days
August 24 days
June 24 days
Warmest months:
August 82.8 °F
July 82.1 °F
September 77.3 °F
Warmest sea temp:
August 78.9 °F
July 76.6 °F
September 76.5 °F
Coldest months:
January 55.1 °F
February 56.2 °F
December 57.4 °F
Rainiest months:
September 4 days
June 3 days
October 3 days
Windiest months:
March 8.5 mph
April 7.8 mph
November 7.7 mph

Barcelona on a weather map

Barcelona
+55°F
E 5 mph
Feels like: +54°F
Precip.: 0%
Places in Spain:
Name
°F
+54°F
+55°F
+50°F
+61°F
+57°F
+61°F
+55°F
+61°F
+43°F
+54°F
+59°F
+55°F
+61°F
24 Hours Forecast
Barcelona
Local time: 09:52
December 21, sunday
1200
57°F
NE
7 mph
1500
59°F
NE
8 mph
1800
57°F
NE
14 mph
2100
54°F
SE
9 mph
December 22, monday
0000
52°F
SE
11 mph
0300
52°F
SE
7 mph
0600
50°F
SE
11 mph
0900
48°F
SE
7 mph
Units of measurement: °C / °F