Spring (March–May): 6.7–15.9°C on average, the climate gradually changes from cold to warm, rainfall gradually increases, and cherry blossoms bloom in March. Common activities: cherry blossom viewing, spring outings, flower viewing. Recommended clothing: light jacket, long-sleeved shirt, it is recommended to bring rain gear.
Summer (June–August): 20.4–25.2°C on average, the climate is warm and humid, with heavy rainfall and frequent showers. Common activities: summer resorts, outdoor activities, but be aware of afternoon thunderstorms. Recommended clothing: light and breathable clothing, rain gear.
Autumn (September–November): 15.0–22.2°C on average, the climate is comfortable and pleasant, rainfall decreases, and sunny days increase. Common activities: mountain hiking, outings. Recommended clothing: comfortable long-sleeved shirts, light jackets.
Winter (December–February): 0.9–3.5°C on average, the climate is cold and dry, with little rainfall. Common activities: hot spring tours, indoor activities. Recommended clothing: heavy coats, warm clothing.
Isobe climatological average
Annual average temperature: approx. 12.9°C / Annual rainfall: approx. 1306 mm / Summer humidity: 70%–80% / Rainiest month: June
Isobe monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.9°C
23.6
February
2.1°C
45.3
March
6.7°C
93.5
April
12.5°C
112.1
May
15.9°C
163.8
June
20.4°C
182.5
July
25.2°C
174.2
August
25°C
174.9
September
22.2°C
169.6
October
15°C
78
November
9.6°C
57.6
December
3.5°C
31.3
Isobe weather for the next seven days
12/7
Sunday
Sunny
13.9°C/-0.6°C
12/8
Monday
Sunny
15.6°C/2.1°C
12/9
Tuesday
Sunny
10.4°C/2.3°C
12/10
Wednesday
Sunny
11.1°C/-0.9°C
12/11
Thursday
Partly Cloudy
13.3°C/1.8°C
12/12
Friday
Sunny
6.8°C/-2°C
12/13
Saturday
Partly Cloudy
5.8°C/-3.4°C
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