Spring (March–May): Average 49–64°F, 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 73–84°F, 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 64–55°F, 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 44–41°F, 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. 61.7°F / Annual rainfall: approx. 1530 mm / Summer humidity: 70%–80% / Rainiest month: June
Iwami monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
40.5°F
29.2
February
41.7°F
48.1
March
49.8°F
108.7
April
60.1°F
144.6
May
64.8°F
185
June
73.2°F
302.5
July
82.6°F
179.5
August
84°F
166.6
September
78.8°F
146.2
October
64.8°F
112
November
55.2°F
90.5
December
44.4°F
17.9
Iwami weather for the next seven days
8/5
Wednesday
Sunny
94°F/72.8°F
8/6
Thursday
Sunny
93.6°F/78.3°F
8/7
Friday
Sunny
91.8°F/77.4°F
8/8
Saturday
Sunny
94.8°F/74°F
8/9
Sunday
Sunny
92.7°F/72.2°F
8/10
Monday
Sunny
95.7°F/75.4°F
8/11
Tuesday
Sunny
95.2°F/76.4°F
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