Cool
Average highs are around 17°C, so pack for cooler days.
April verdict
Japan in April
Weather score29Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 5.4h 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
5.4h
Sea
12°C
Weather score
29
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 146mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
April17°C average high
April is close to Japan's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
April146mm average rain
April sits near Japan's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to March
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
April5.4 hours average sun
April is brighter than Japan's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to May and July to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
April12°C average sea
April is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 20°C in this stretch, so swimming comfort is at its strongest.
Weather score
April29 weather score
April scores below Japan'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.
Hotels near Japan
Marriott
Lake Biwa Marriott HotelShiga, Japan
The Prince Kyoto Takaragaike, Autograph CollectionKyoto City, Japan
Hotel Koo Otsu Hyakucho, a Member of Design Hotels™Otsu, Shiga, Japan
The Westin Miyako KyotoKyoto, Kyoto, Japan
The Ritz-Carlton, KyotoKyoto, Japan
The Chapter Kyoto, a Tribute Portfolio HotelKyoto-City, Kyoto, Japan