Cool
Average highs are around 17°C, so pack for cooler days.
April verdict
Onjuku, Japan in April
Weather score32Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 146mm, so some wet days are possible.
April weather
Monthly averages
Temp
17°C
Rain
146mm
Sun
5.3h
Weather score
32
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 146mm, so some wet days are possible.
Some sun
Sunshine averages 5.3h per day, enough for a balanced month.
Map
Weather map
Compare Onjuku, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April17°C average high
April is close to Onjuku's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
April146mm average rain
April sits near Onjuku's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, July, and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.3 hours average sun
April sits close to Onjuku's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
Weather score
April32 weather score
April scores below Onjuku's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.
