17.12
wed
wed
Day
55°F
S 8 mph
Precip.
0%
0%
Night
52°F
W 4 mph
Precip.
0%
0%
18.12
thu
thu
Day
55°F
N 6 mph
Precip.
0%
0%
Night
59°F
N 11 mph
Precip.
76%
76%
19.12
fri
fri
Day
55°F
S 12 mph
Precip.
70%
70%
Night
54°F
S 11 mph
Precip.
0%
0%
20.12
sat
sat
Day
57°F
E 7 mph
Precip.
64%
64%
Night
55°F
E 12 mph
Precip.
100%
100%
21.12
sun
sun
Day
54°F
E 11 mph
Precip.
100%
100%
Night
52°F
E 14 mph
Precip.
100%
100%
22.12
mon
mon
Day
54°F
SE 24 mph
Precip.
100%
100%
Night
54°F
SE 21 mph
Precip.
79%
79%
23.12
tue
tue
Day
57°F
S 14 mph
Precip.
45%
45%
Night
54°F
SE 9 mph
Precip.
57%
57%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 59.6°F. The highest and lowest sea temperatures during the month were 60.6°F and 59.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 58.1°F. The highest and lowest sea temperatures during the month were 59.4°F and 57.2°F.
Air temperature in Lisbon, °F
Precipitation total in Lisbon, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lisbon
Lisbon on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Lisbon
Local time: 22:49
December 18, thursday
0000
52°F
W
4 mph
4 mph
0300
52°F
W
4 mph
4 mph
0600
50°F
W
3 mph
3 mph
0900
50°F
NW
4 mph
4 mph
1200
55°F
N
6 mph
6 mph
1500
59°F
N
12 mph
12 mph
1800
59°F
N
12 mph
12 mph
2100
59°F
N
12 mph
12 mph
