Spring (March–May): Average 47–63°F, mild climate but with relatively high rainfall, especially in April. Common activities: Sightseeing, flower viewing (such as mountain cherry blossoms). Recommended clothing: Light jacket, long-sleeved shirt, and it is advisable to bring rain gear.
Summer (June–August): Average 72–83°F, hot and humid with relatively high rainfall, especially in July. Common activities: Summer resort activities, river rafting, mountain climbing (be mindful of changing weather conditions). Recommended clothing: Light and breathable clothing, sun hat, and rain gear.
Autumn (September–November): Average 64–78°F, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Autumn foliage viewing, hiking. Recommended clothing: Comfortable long-sleeved shirts, light jackets.
Winter (December–February): Average 39–44°F, cold and dry with low rainfall. Common activities: Skiing, onsen experience. Recommended clothing: Warm clothing, thick jacket, scarf, and gloves.
Kiso climatological average
Annual average temperature: approx. 60.3°F / Annual rainfall: approx. 1670 mm / Summer humidity: 70%–80% / Rainiest month: July
Kiso monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
39.4°F
90.8
February
41°F
79.7
March
47.7°F
123.8
April
58.1°F
152.2
May
63.9°F
188.3
June
72.9°F
223.6
July
81.7°F
235.1
August
83.3°F
165.1
September
79°F
117.4
October
64.9°F
124.5
November
55.4°F
96.9
December
44.1°F
72.7
Kiso weather for the next seven days
7/7
Tuesday
Partly Cloudy
80°F/68.5°F
7/8
Wednesday
Partly Cloudy
82.5°F/67.7°F
7/9
Thursday
Sunny
84.5°F/69.1°F
7/10
Friday
Sunny
85.6°F/69.7°F
7/11
Saturday
Sunny
83°F/69.9°F
7/12
Sunday
Sunny
84.9°F/70.6°F
7/13
Monday
Sunny
82.6°F/71.2°F
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