Summer Months In Japan Extra Quality Jun 2026

| Month | Avg High (°C/°F) | Avg Humidity | Rainfall (mm) | Sunshine Hours | |-------|----------------|--------------|---------------|----------------| | June | 26°C / 79°F | 75% | 170 mm | 110 hrs | | July | 30°C / 86°F | 78% | 150 mm | 150 hrs | | Aug | 31°C / 88°F | 80% | 150 mm | 170 hrs |

Wear loose, light-colored, breathable clothing. Pack a lightweight UV-blocking umbrella or parasol, which is widely used by locals to create instant shade. summer months in japan

August is the hottest month of the year in Japan. Urban areas experience intense humidity, and afternoon thundershowers are common. | Month | Avg High (°C/°F) | Avg

Excellent for road trips, hiking in Daisetsuzan National Park, and exploring pristine caldera lakes. The Japanese Alps & Nagano Prefecture Urban areas experience intense humidity

Humidity begins to climb, but temperatures remain relatively mild compared to later in the summer.