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Iwamuro
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Iwamuro Weather and climate
Data source：Meteostat
Update date：2025-09
Iwamuro year round climate
- Spring (March–May): Average 7.5–17.2°C, mild climate but with relatively high rainfall, especially in May. Common activities: picnicking, flower viewing. Recommended clothing: light jacket, long-sleeved shirts.
- Summer (June–August): Average 22.0–28.4°C, hot and humid, with relatively high rainfall, especially in July. Common activities: escaping the heat, playing in streams. Recommended clothing: light and breathable clothing, sun hat.
- Autumn (September–November): Average 11.9–24.9°C, pleasant and comfortable climate, but with relatively high rainfall, especially in November. Common activities: viewing autumn leaves, hiking. Recommended clothing: comfortable jacket, long-sleeved shirts.
- Winter (December–February): Average 3.2–5.2°C, cold and dry, with relatively high rainfall, the rainiest month being December. Common activities: soaking in hot springs, indoor activities. Recommended clothing: warm jacket, hat, scarf, gloves.
Iwamuro climatological average
Annual average temperature: approx. 15°C / Annual rainfall: approx. 1981 mm / Summer humidity: 70%–80% / Rainiest month: December
Iwamuro monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.2°C
150
February
3.6°C
111.3
March
7.5°C
113.7
April
13°C
79.3
May
17.2°C
128.7
June
22°C
137.7
July
26.4°C
258
August
28.4°C
108.3
September
24.9°C
202.7
October
17.1°C
147.7
November
11.9°C
217.3
December
5.2°C
326.3
Iwamuro weather for the next seven days
11/18
Tuesday
Moderate rain
7.1°C/5.5°C
11/19
Wednesday
Patchy rain nearby
9.1°C/5.1°C
11/20
Thursday
Patchy rain nearby
11.6°C/6°C
11/21
Friday
Moderate rain
13.7°C/6.8°C
11/22
Saturday
Patchy rain nearby
10.3°C/6.7°C
11/23
Sunday
Partly Cloudy
13.7°C/4.8°C
11/24
Monday
Patchy rain nearby
15.4°C/8°C
