Measurements:
°C
°F
CURRENT WEATHER
05:17
Lisbon
56°F
NE 16 mph
Feels like: 52°F
Precip: 100%
World Resorts Portugal Lisbon Weather

7 Day Weather Forecast

05.10
sun
DAY
64°F
NE 20 mph
precip
0%
NIGHT
58°F
NE 15 mph
precip
100%
05.11
mon
DAY
66°F
NE 11 mph
precip
79%
NIGHT
60°F
N 5 mph
precip
0%
05.12
tue
DAY
68°F
NE 9 mph
precip
100%
NIGHT
60°F
E 3 mph
precip
100%
05.13
wed
DAY
68°F
NE 4 mph
precip
64%
NIGHT
58°F
S 8 mph
precip
0%
05.14
thu
DAY
70°F
S 17 mph
precip
0%
NIGHT
58°F
S 19 mph
precip
0%
05.15
fri
DAY
64°F
S 19 mph
precip
0%
NIGHT
58°F
S 14 mph
precip
0%
05.16
sat
DAY
66°F
SE 16 mph
precip
25%
NIGHT
56°F
S 12 mph
precip
0%

Lisbon Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Lisbon was 17.7°F. The maximum and minimum values were 16.7°F and 19.1°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 59.4 °F
February 60.8 °F
December 61.6 °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