Weather · Osaka, Japan
Osaka Weather in May
May in Osaka averages 23°C by day and 14°C at night, with about 229mm of rain. That makes it a reasonable time to visit.
Avg high
23°C
73°F
Avg low
14°C
57°F
Rainfall
229mm
#2 wettest of 12
What to pack
Summer clothes by day; a light layer for evenings. Pack a rain jacket or travel umbrella, showers are frequent this month.
Timing a trip around the weather? A Local Friend in Osaka builds it around the season for you.