Weather in Barcelona in May
May in Barcelona is mild with average temperatures around 17.6°C (63.7°F). Light rainfall with only 49mm 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
22.8°C
73.0°F
Low
12.4°C
54.3°F
Precipitation
49 mm
1.9 inches
~8 rainy days
Conditions
Humidity
66%
Comparison to Adjacent Months
May is 3.6°C warmer than April.
May is 4.7°C cooler than June, 22mm wetter than June.