The factor that really makes Tokyos heat almost unbearable is the humidity, however. In 2017, the average humidity was 78% in July and 83% in August.
Is Japan dry or humid?
Generally, Japan is rainy and humid, as well as other varied temperatures according to its geographical location. Furthermore, Japan enjoys their four distinct seasons. Spring season is from March to May. The weather is warm, but not too hot.
How humid is Japan in summer?
High humidity levels are also characteristic for Japanese summer weather, ranging from about 78% relative humidity to 83% relative humidity during July and August. Summer rains are also common, with intense and unpredictable bursts of sudden severe rainfall.