Weather in Japon in août
Country-wide climate normals across 64 cities in Japon.
How Hot Is Japon in août?
Japon bakes evenly in August — highs around 31°C are typical from Hakodate all the way to Higashiosaka, with very little regional variation. Lows sit around 24°C even overnight, and the country's small geographic footprint means there are no significant climate pockets. Expect uniform heat day and night.
Sunshine in Japon in août
Variable weather dominates Japon in August: 3.1h of direct sun on a typical day in Tokyo, with daylight from 5:00 am to 6:30 pm. Expect both bright and cloudy days across the month, and slight regional differences between coastal and inland zones.
Does It Rain In Japon In août?
Heavy seasonal rains saturate Japon in August — Tokyo averages 218mm of rain across 15 days, with downpours an almost daily feature. The pattern is consistent across most regions, particularly along monsoon-affected coasts. Expect torrential afternoon storms followed by humid heat.
Is Japon Humid In août?
Mugginess defines Japon's August: humidity averages 75% in Tokyo, and the air feels noticeably heavy across most regions. Sweat sits on the skin longer than it would in drier conditions, and overnight relief is limited. Pack light, breathable fabrics.
Wind In Japon In août
Light breezes are typical across Japon in August: 16 kph in Tokyo, with similar gentle wind conditions in most regions. The air moves enough to keep things fresh on warm days but not enough to be disruptive. Coastal cities may see slightly more.
Cloud Cover In Japon In août
Japon sees mostly cloudy weather through August: Tokyo averages 66% cloud cover, and the pattern repeats across the country. Bright sun is uncommon; expect a grey, soft-lit feel to most days.