Measurements:
°C
°F
CURRENT WEATHER
09:20
Lisbon
52°F
NW 4 mph
Feels like: 52°F
Precip: 0%
World Resorts Portugal Lisbon Weather

7 Day Weather Forecast

12.18
thu
DAY
58°F
N 10 mph
precip
0%
NIGHT
60°F
N 14 mph
precip
100%
12.19
fri
DAY
56°F
S 12 mph
precip
0%
NIGHT
54°F
SE 11 mph
precip
62%
12.20
sat
DAY
58°F
E 8 mph
precip
87%
NIGHT
54°F
SE 16 mph
precip
77%
12.21
sun
DAY
54°F
E 9 mph
precip
100%
NIGHT
54°F
E 16 mph
precip
100%
12.22
mon
DAY
56°F
E 22 mph
precip
100%
NIGHT
56°F
E 7 mph
precip
28%
12.23
tue
DAY
58°F
NE 22 mph
precip
100%
NIGHT
56°F
SE 21 mph
precip
100%
12.24
wed
DAY
56°F
E 22 mph
precip
100%
NIGHT
54°F
SE 19 mph
precip
100%

Lisbon Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Lisbon was 15.3°F. The maximum and minimum values were 14.9°F and 15.9°F respectively.

Lisbon on the Weather Map

Best Time to Visit Lisbon
The most sunny months:
August 28 days
July 26 days
September 23 days
The most warm months:
August 85.4 °F
July 84.2 °F
September 81.7 °F
Warmest sea temperature:
August 69.0 °F
July 68.6 °F
September 68.5 °F
The most cold months:
January 59.5 °F
February 60.9 °F
December 61.9 °F
The most rainy months:
March 4 days
November 4 days
April 4 days
The most windy months:
July 11 mph
August 10 mph
June 10 mph
more details