Measurements:
°C
°F
CURRENT WEATHER
12:09
Bilbao
58°F
N 16 mph
Feels like: 54°F
Precip: 0%
World Resorts Spain Bilbao Weather

7 Day Weather Forecast

12.18
thu
DAY
58°F
N 16 mph
precip
0%
NIGHT
56°F
N 9 mph
precip
0%
12.19
fri
DAY
50°F
SE 4 mph
precip
100%
NIGHT
46°F
NE 2 mph
precip
87%
12.20
sat
DAY
50°F
N 9 mph
precip
0%
NIGHT
52°F
NE 12 mph
precip
0%
12.21
sun
DAY
44°F
N 2 mph
precip
83%
NIGHT
42°F
N 9 mph
precip
0%
12.22
mon
DAY
44°F
N 9 mph
precip
0%
NIGHT
46°F
NE 11 mph
precip
0%
12.23
tue
DAY
54°F
NE 16 mph
precip
0%
NIGHT
50°F
NE 2 mph
precip
100%
12.24
wed
DAY
44°F
NE 5 mph
precip
100%
NIGHT
42°F
NE 4 mph
precip
100%

Bilbao Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Bilbao was 14.7°F. The maximum and minimum values were 14.3°F and 14.9°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 53.1 °F
February 55.0 °F
December 56.5 °F
The most rainy months:
November 7 days
January 7 days
December 6 days
The most windy months:
February 8 mph
December 8 mph
November 7 mph
more details