Weather in Lisbon in May
May in Lisbon is mild with average temperatures around 17.0°C (62.6°F). Light rainfall with only 31mm expected.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
19.3°C
66.7°F
Low
14.7°C
58.5°F
Precipitation
31 mm
1.2 inches
~6 rainy days
Conditions
Humidity
79%
Comparison to Adjacent Months
May is 24mm drier than April.