Measurements:
°C
°F
CURRENT WEATHER
07:37
Lisbon
68°F
S 8 mph
Feels like: 68°F
Precip: 0%
World Resorts Portugal Lisbon Weather

7 Day Weather Forecast

05.30
sat
DAY
78°F
S 11 mph
precip
0%
NIGHT
62°F
S 9 mph
precip
0%
05.31
sun
DAY
78°F
S 14 mph
precip
0%
NIGHT
66°F
S 9 mph
precip
0%
06.01
mon
DAY
78°F
S 16 mph
precip
0%
NIGHT
66°F
S 16 mph
precip
0%
06.02
tue
DAY
74°F
SE 19 mph
precip
0%
NIGHT
62°F
S 19 mph
precip
0%
06.03
wed
DAY
80°F
S 19 mph
precip
0%
NIGHT
66°F
S 11 mph
precip
0%
06.04
thu
DAY
76°F
SE 11 mph
precip
0%
NIGHT
64°F
SE 6 mph
precip
0%
06.05
fri
DAY
74°F
SE 10 mph
precip
43%
NIGHT
64°F
S 11 mph
precip
0%

Lisbon Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Lisbon was 17.6°F. The maximum and minimum values were 16.1°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