Measurements:
°C
°F
Lisbon
62°F
E 13 mph
Feels like: 62°F
Precip: 100%
World Resorts Portugal Lisbon Weather May Weather in Lisbon

Lisbon Weather: May

Average Day Temperature: 74.7°F
Average Night Temperature: 60.0°F
Sea Water Temperature: 64.5°F
Number of Sunny Days: 21 days
Sunshine Hours: 13.8 - 14.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.3 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 88°F. The lowest night temperature was 53°F. The average values for day and night temperatures during May were 72.5°F и 59.4°F respectivly.

Lisbon Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Lisbon was 65.4°F. The maximum and minimum values were 63.4°F and 68.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in May are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Lisbon is 1.3 in.

Wind Speed in May, mph

The average wind speed in May is 10.0 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Lisbon in May is 10.7 hours.

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

Lisbon on the Weather Map

Portugal Resorts:
NAME
Albufeira +58
Algarve +60
Cascais +62
Faro +60
Funchal +54
Lagos +62
Lisbon +62
Madeira +54
Ponta Delgada +66
Portimao +60
Porto +54
Porto Santo Island +64
Quarteira +58
Sao Miguel +66
Terceira Island +64
24 Hours Weather Forecast
Lisbon
Local time: 05:26
05 dec, friday
0600 62°F
E
13 mph
0900 62°F
E
12 mph
1200 64°F
E
13 mph
1500 66°F
E
14 mph
1800 62°F
E
9 mph
2100 62°F
NE
7 mph
06 dec, saturday
0000 60°F
NE
6 mph
0300 60°F
NE
6 mph

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