Measurements:
°C
°F
Bilbao
74°F
S 6 mph
Feels like: 74°F
Precip: 0%
World Resorts Spain Bilbao Weather

7 Day Weather Forecast

05.29
fri
DAY
80°F
S 6 mph
precip
0%
NIGHT
60°F
W 1 mph
precip
0%
05.30
sat
DAY
74°F
S 6 mph
precip
0%
NIGHT
60°F
NW 1 mph
precip
0%
05.31
sun
DAY
70°F
S 6 mph
precip
0%
NIGHT
56°F
NE 2 mph
precip
0%
06.01
mon
DAY
74°F
S 4 mph
precip
0%
NIGHT
60°F
E 1 mph
precip
0%
06.02
tue
DAY
70°F
S 6 mph
precip
0%
NIGHT
56°F
E 2 mph
precip
55%
06.03
wed
DAY
74°F
E 2 mph
precip
0%
NIGHT
60°F
NW 2 mph
precip
69%
06.04
thu
DAY
56°F
SE 3 mph
precip
100%
NIGHT
54°F
E 2 mph
precip
100%

Bilbao Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Bilbao was 16.5°F. The maximum and minimum values were 15.5°F and 19.2°F respectively.

Bilbao on the Weather Map

Best Time to Visit Bilbao
The most sunny months:
October 15 days
September 15 days
August 15 days
The most warm months:
August 81.4 °F
July 79.2 °F
September 77.6 °F
Warmest sea temperature:
August 73.8 °F
July 71.9 °F
September 71.3 °F
The most cold months:
January 52.8 °F
February 55.1 °F
December 56.2 °F
The most rainy months:
November 7 days
January 7 days
December 6 days
The most windy months:
February 8 mph
November 7 mph
December 7 mph