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Nanao Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Nanao year round climate

  • Spring (March–May): 8–17°C on average, mild climate but with relatively high rainfall, especially in March. Common activities: flower viewing, coastal walks. Recommended clothing: light jacket, comfortable trousers.
  • Summer (June–August): 22–28°C on average, hot and humid with moderate rainfall. Common activities: swimming at the beach, mountain hiking. Recommended clothing: light and breathable clothing, sunscreen.
  • Autumn (September–November): 12–25°C on average, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: maple leaf viewing, hiking. Recommended clothing: comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): 3–8°C on average, cold and humid with relatively high rainfall; December is the rainiest month. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm jacket, hat, scarf, gloves.

Nanao climatological average

Annual average temperature: approx. 14.8°C / Annual rainfall: approx. 2393 mm / Summer humidity: 70%–80% / Rainiest month: December

Nanao monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.2°C
210.3
February
4°C
160.9
March
8°C
163.6
April
13.1°C
135.9
May
16.8°C
172.5
June
22°C
176.2
July
26.9°C
232.4
August
28.2°C
175.1
September
25.1°C
206.4
October
17.5°C
156.7
November
12.4°C
246.2
December
5.4°C
357.6

Nanao weather for the next seven days

1/31
Saturday
Moderate or heavy snow showers
2.5°C/-1.6°C
2/1
Sunday
Heavy snow
2.6°C/-2.8°C
2/2
Monday
Moderate rain
2.7°C/0.3°C
2/3
Tuesday
Moderate or heavy snow showers
3.7°C/-2.3°C
2/4
Wednesday
Sunny
7.2°C/-2.8°C
2/5
Thursday
Patchy rain nearby
9.2°C/2.1°C
2/6
Friday
Patchy rain nearby
8.2°C/2.3°C