Weather in London in May
May in London is cool with average temperatures around 12.1°C (53.8°F). Moderate rainfall of 55mm spread over 11 days.
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
17.0°C
62.6°F
Low
7.3°C
45.1°F
Precipitation
55 mm
2.1 inches
~11 rainy days
Conditions
Humidity
79%
Comparison to Adjacent Months
May is 2.9°C warmer than April.
May is 3.1°C cooler than June.