Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Poor for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 272mm, so showers are a real planning factor.

Monthly averages
Temp
21°C
Rain
272mm
Sun
5.9h
Weather score
37
Poor
Mild
Average highs are around 21°C, so days are mild rather than hot.
Wet
Rainfall averages 272mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Map
Compare Wakayama, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
May21°C average high
May is close to Wakayama'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.
May272mm average rain
May is wetter than Wakayama's yearly average, so flexible plans matter more.
Driest monthsJanuary to March and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May5.9 hours average sun
May is brighter than Wakayama's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
May37 weather score
May sits close to Wakayama's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.