Weather in Tokyo in May
May in Tokyo is mild with average temperatures around 18.4°C (65.1°F). Expect significant rainfall with 148mm across approximately 12 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
22.8°C
73.0°F
Low
14.0°C
57.2°F
Precipitation
148 mm
5.8 inches
~12 rainy days
Conditions
Humidity
79%
Comparison to Adjacent Months
May is 4.9°C warmer than April.
May is 3.7°C cooler than June, 37mm drier than June.