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Iwami

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Iwami Weather and climate

Data source:Meteostat
Update date:2025-09

Iwami year round climate
  • Spring (March–May): Average 9.9–18.2°C, mild climate, but rainfall gradually increases, especially in April and May. Common activities: enjoying nature, flower viewing. Recommended clothing: light jacket, comfortable long-sleeved shirt, and bring rain gear.
  • Summer (June–August): Average 22.9–28.9°C, hot and humid, with the most rainfall in June; pay attention to heatstroke prevention. Common activities: visiting summer resorts, water activities. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 18.2–12.9°C, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: maple leaf viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt; the temperature difference between morning and evening is large, so warm clothing is recommended.
  • Winter (December–February): Average 6.9–5.4°C, cold and dry, with little rainfall. Common activities: onsen experience, indoor activities. Recommended clothing: warm jacket, sweater, scarf, gloves, etc.
Iwami climatological average

Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 1530 mm / Summer humidity: 70%–80% / Rainiest month: June

Iwami monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.7°C
29.2
February
5.4°C
48.1
March
9.9°C
108.7
April
15.6°C
144.6
May
18.2°C
185
June
22.9°C
302.5
July
28.1°C
179.5
August
28.9°C
166.6
September
26°C
146.2
October
18.2°C
112
November
12.9°C
90.5
December
6.9°C
17.9
Iwami weather for the next seven days
10/26
Sunday
Moderate rain
21.2°C/16.5°C
10/27
Monday
Patchy rain nearby
18.9°C/12.8°C
10/28
Tuesday
Partly Cloudy
15.8°C/9.4°C
10/29
Wednesday
Sunny
17.1°C/8.1°C
10/30
Thursday
Patchy rain nearby
18.2°C/9°C
10/31
Friday
Moderate rain
14.3°C/13.4°C
11/1
Saturday
Partly Cloudy
19.3°C/11.7°C