Is Niitsu-honchō hot in May?
Days are typically mild at 21.6°C, while nights average 12.7°C.
Japan · 1991–2020 normal
Typical May weather in Niitsu-honchō: 21.6°C by day, 12.7°C at night, 94 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, May scores 74 out of 100 (June leads the year at 76). Daylight is calculated as 14 h 11 from latitude 37.80°. Open-water sea temperature is 14.5°C (23 km from the place centre).
May at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 21.6°C, while nights average 12.7°C.
The measured monthly average is 94 mm across about 10 wet days.
There are about 14 h 11 between sunrise and sunset at mid-month, calculated from the place latitude.
May ranks 2 of 12 in our weather comparison; June ranks first.
The evidence behind this page
Next step
The weather comparison for Niitsu-honchō is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work