Is Niigata hot in April?
Days are typically cool at 16.2°C, while nights average 6.7°C.
Japan · 1991–2020 normal
Typical April weather in Niigata: 16.2°C by day, 6.7°C at night, 109 mm of rain over 12.1 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, April scores 41 out of 100 (June leads the year at 76). Daylight is calculated as 13 h 07 from latitude 37.92°. Open-water sea temperature is 10.9°C (16 km from the place centre).
April at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically cool at 16.2°C, while nights average 6.7°C.
The measured monthly average is 109 mm across about 12 wet days.
There are about 13 h 07 between sunrise and sunset at mid-month, calculated from the place latitude.
April ranks 5 of 12 in our weather comparison; June ranks first.
Event window
This is the typical bloom window in Japan, not a flower count from the weather station. The measured April normal here is 16.2°C by day and 6.7°C at night, with 109 mm of rain.
The evidence behind this page
Next step
The weather comparison for Niigata 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.
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