Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Shizuoka, Japan Average Monthly Weather
Weather score35Poor annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 18°C, sunshine averages 5.1h per day, and rainfall totals about 2035mm. Sea temperatures average 20°C across the year.
Annual weather
Annual averages
Temp
18°C
Rain
2035mm
Annual total
Sun
5.1h
Sea
20°C
Weather score
35
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 239mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Swimmable
Sea temperatures average 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Shizuoka, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is one of Shizuoka's warmest months, with daytime heat above the yearly average.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
August239mm average rain
August is wetter than Shizuoka's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.9 hours average sun
August is one of Shizuoka's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to May, August, and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August26°C average sea
August is one of Shizuoka's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
August60 weather score
August is one of Shizuoka's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
