Spring (March–May): Average 12.1–20.0°C, mild and rainy, with occasional showers. Common activities: flower viewing, hiking, onsen trips. Recommended clothing: light jacket, long-sleeved shirt.
Summer (June–August): Average 24.0–29.4°C, hot and humid, abundant rainfall. Common activities: summer resort, onsen bathing, outdoor swimming (weather permitting). Recommended clothing: light and breathable clothing, short sleeves, sun hat.
Autumn (September–November): Average 19.7–26.6°C, comfortable and pleasant, rainfall gradually decreasing. Common activities: autumn leaves viewing, onsen relaxation, enjoying local cuisine. Recommended clothing: light jacket, long-sleeved shirt.
Winter (December–February): Average 6.8–8.3°C, cold and dry, low rainfall. Common activities: onsen bathing, skiing (depending on snowfall). Recommended clothing: warm jacket, sweater, scarf, hat.
Naruko climatological average
Annual average temperature: approx. 17.9°C / Annual rainfall: approx. 1769 mm / Summer humidity: 70%–80% / Rainiest month: June
Naruko monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.8°C
87
February
7.8°C
93.4
March
12.1°C
148.9
April
16.6°C
176
May
20°C
160.6
June
24°C
256.7
July
28.7°C
252.1
August
29.4°C
186.9
September
26.6°C
162.8
October
19.7°C
74.3
November
15°C
104.2
December
8.3°C
66.4
Naruko weather for the next seven days
10/14
Tuesday
Patchy rain nearby
28.3°C/21.8°C
10/15
Wednesday
Patchy rain nearby
26.8°C/22°C
10/16
Thursday
Moderate rain
26.1°C/21.7°C
10/17
Friday
Sunny
26.2°C/19.3°C
10/18
Saturday
Moderate rain
27°C/19.9°C
10/19
Sunday
Patchy rain nearby
24°C/20.6°C
10/20
Monday
Patchy rain nearby
23.5°C/20°C
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