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Yanai

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Yanai Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Yanai year round climate

  • Spring (March–May): Average 11.3–19.4°C, mild climate, but relatively high rainfall, especially abundant in April and May. Common activities: Hiking, flower viewing (e.g., cherry blossoms, azaleas, depending on blooming conditions). Recommended clothing: Light jacket, long-sleeved shirt, rain gear.
  • Summer (June–August): Average 23.3–30.0°C, hot and humid, with relatively high rainfall, especially the most rainfall in July. Common activities: Beach activities, sightseeing at summer resorts. Recommended clothing: Light and breathable clothing, short sleeves, hat, sunscreen.
  • Autumn (September–November): Average 15.2–27.6°C, comfortable and pleasant climate, rainfall gradually decreases. Common activities: Maple viewing (depending on leaf color change), outdoor excursions. Recommended clothing: Long-sleeved shirt, light jacket, comfortable shoes.
  • Winter (December–February): Average 6.5–8.3°C, cold and dry, low rainfall. Common activities: Hot spring experience, indoor activities. Recommended clothing: Warm coat, sweater, scarf, hat.

Yanai climatological average

Annual average temperature: approx. 17.8°C / Annual rainfall: approx. 2156 mm / Summer humidity: 70%–80% / Rainiest month: July

Yanai monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.5°C
54.5
February
7.1°C
101
March
11.3°C
166.4
April
16.3°C
238.8
May
19.4°C
283.6
June
23.3°C
297.4
July
28.2°C
306.2
August
30°C
179.8
September
27.6°C
261.4
October
20.4°C
77.9
November
15.2°C
129
December
8.3°C
60.9

Yanai weather for the next seven days

2/2
Monday
Patchy rain nearby
8.1°C/1°C
2/3
Tuesday
Sunny
8°C/0.8°C
2/4
Wednesday
Overcast
10.2°C/3.5°C
2/5
Thursday
Patchy rain nearby
12°C/6.6°C
2/6
Friday
Patchy rain nearby
10.7°C/4.4°C
2/7
Saturday
Sunny
4.5°C/-1°C
2/8
Sunday
Light freezing rain
1.8°C/-1.2°C