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Izu Islands

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Izu Islands Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Izu Islands year round climate

  • Spring (March–May): Average 57–69°F, mild and comfortable climate, less rainfall, abundant sunshine. Common activities: seaside walks, flower viewing, diving. Recommended clothing: light jacket, long-sleeved shirt, light trousers.
  • Summer (June–August): Average 73–82°F, hot and dry, very little rainfall. Common activities: swimming, surfing, sunbathing, water sports. Recommended clothing: light short-sleeved clothing, shorts, swimwear, sun protection clothing.
  • Autumn (September–November): Average 76–68°F, comfortable and pleasant climate, moderate rainfall. Common activities: sea fishing, sightseeing, hiking. Recommended clothing: light jacket, long-sleeved shirt, trousers.
  • Winter (December–February): Average 57–58°F, mild and comfortable, very little rainfall. Common activities: birdwatching, hot spring bathing, seaside walks. Recommended clothing: warm jacket, long-sleeved clothing, trousers.

Izu Islands climatological average

Annual average temperature: approx. 69.3°F / Annual rainfall: approx. 99 mm / Summer humidity: 60%–70% / Rainiest month: April

Izu Islands monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
57.2°F
6.9
February
58.3°F
8
March
57.7°F
10.3
April
65.3°F
13.4
May
69.6°F
8.9
June
73.6°F
7.8
July
81.3°F
1.6
August
82°F
8.4
September
81.3°F
11.6
October
76.8°F
7.7
November
68.7°F
11.7
December
58.5°F
3.2

Izu Islands weather for the next seven days

12/22
Monday
Moderate rain
65.9°F/58.7°F
12/23
Tuesday
Patchy rain nearby
60.7°F/57.6°F
12/24
Wednesday
Heavy rain
69.5°F/60.9°F
12/25
Thursday
Moderate rain
69.7°F/61.1°F
12/26
Friday
Patchy rain nearby
57.5°F/53.1°F
12/27
Saturday
Patchy rain nearby
56.5°F/53.1°F
12/28
Sunday
Heavy rain
61°F/56.4°F