Transit Desk

Climate

Weather in Japan in May

Weather in Japan, May
In May, Japan sees average highs of 22.9°C (73°F) and lows of 14.9°C (59°F), with around 192 mm of rain. It is one of the best months to visit.

Japan — May

Japan May
Daytime high
22.9°C (73°F)
Overnight low
14.9°C (59°F)
Rainfall
192 mm
Best-time rank
Recommended month

How May compares

Japan, May vs. the annual average (2025)
This month22.9°C (73°F) / 14.9°C (59°F) · 192 mm
Yearly average20.8°C (69°F) / 12.4°C (54°F) · 131 mm

May in Japan runs 2.1°C (3.8°F) warmer than the yearly average, and is wetter than the yearly average. Pack layers you can adjust through the day — mild conditions, and something waterproof — this is a wetter month.

Common questions

What is the weather like in Japan in May?

Average highs of 22.9°C (73°F) and lows of 14.9°C (59°F), with around 192 mm of rain.

Is May a good time to visit Japan?

Yes — May is one of the more comfortable months in Japan, based on temperature and rainfall.

Updated climate normals, 2025