Spring (March–May): Average 9–17°C, mild climate but with relatively high rainfall, especially in April. Common activities: picnics, flower viewing (such as cherry blossoms and azaleas, depending on the blooming season). Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 21–28°C, hot and humid, with relatively high rainfall, especially in June. Common activities: visiting museums, indoor activities, traveling to summer resorts. Recommended clothing: light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 12–25°C, pleasant and comfortable climate, with decreasing rainfall. Common activities: viewing maple leaves (depending on the leaf-color change), hiking. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average 3–9°C, cold and dry, with low rainfall. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm jacket, sweater, scarf, gloves, hat.
National climatological average
Annual average temperature: approx. 15°C / Annual rainfall: approx. 1653 mm / Summer humidity: 70%–80% / Rainiest month: June
National monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.3°C
33.3
February
4.6°C
67.8
March
9°C
149
April
14.4°C
164.3
May
17.3°C
188.2
June
21.5°C
270.1
July
26.6°C
139.3
August
27.6°C
220.3
September
24.9°C
180.4
October
17.1°C
121
November
12.1°C
87.9
December
6.5°C
31.4
National weather for the next seven days
12/8
Monday
Sunny
15°C/8.2°C
12/9
Tuesday
Partly Cloudy
11.2°C/8°C
12/10
Wednesday
Sunny
13°C/7°C
12/11
Thursday
Cloudy
13.9°C/8°C
12/12
Friday
Sunny
8.4°C/4.5°C
12/13
Saturday
Partly Cloudy
8.3°C/3.5°C
12/14
Sunday
Patchy rain nearby
12°C/5.7°C
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