Is Ōtsu hot in April?
Days are typically mild at 20°C, while nights average 8.5°C.
Japan · 1991–2020 normal
Typical April weather in Ōtsu: 20°C by day, 8.5°C at night, 142 mm of rain over 10.2 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, April scores 54 out of 100 (May leads the year at 75). Daylight is calculated as 13 h 01 from latitude 35.00°.
April 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 20°C, while nights average 8.5°C.
The measured monthly average is 142 mm across about 10 wet days.
There are about 13 h 01 between sunrise and sunset at mid-month, calculated from the place latitude.
April ranks 4 of 12 in our weather comparison; May 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 20°C by day and 8.5°C at night, with 142 mm of rain.
The evidence behind this page
Next step
The weather comparison for Ōtsu 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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