Japan · May

Japan in May: Weather, Crowds & What's On

What May is actually like in Japan — average highs and lows, how much rain to expect, public holidays that fill trains and hotels, and verified places to go.

Weather in May

Average high23°C
Average low14°C
Rainfall249mm

The 5th warmest month of Japan's year. The 2nd wettest month, at 16% of the year's rain.

Every month compared

MonthAverage highAverage lowRainfall
Jan 10°20mm
Feb 28mm
Mar 14°115mm
Apr 20°132mm
May 23°14°249mm
Jun 27°19°261mm
Jul 32°25°192mm
Aug 35°25°117mm
Sep 30°22°182mm
Oct 23°16°177mm
Nov 17°47mm
Dec 12°71mm

Public holidays in May

Domestic travel peaks around these dates — book earlier and expect busier sights.

  • May 4 みどりの日 · Greenery Day
  • May 5 こどもの日 · Children's Day
  • May 6 憲法記念日 · Constitution Memorial Day

Verified quiet times

Real foot-traffic data for places worth timing right.

Places to go in Japan

All Japan guides →

Climate figures are 30-year averages from Open-Meteo; holidays from public calendars. Updated monthly.

Plan your trip to Japan

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