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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 14.3–20.9°C, 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 23.1–27.8°C, 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 24.9–20.4°C, comfortable and pleasant climate, moderate rainfall. Common activities: sea fishing, sightseeing, hiking. Recommended clothing: light jacket, long-sleeved shirt, trousers.
  • Winter (December–February): Average 14.0–14.7°C, 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. 20.7°C / Annual rainfall: approx. 99 mm / Summer humidity: 60%–70% / Rainiest month: April

Izu Islands monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
14°C
6.9
February
14.6°C
8
March
14.3°C
10.3
April
18.5°C
13.4
May
20.9°C
8.9
June
23.1°C
7.8
July
27.4°C
1.6
August
27.8°C
8.4
September
27.4°C
11.6
October
24.9°C
7.7
November
20.4°C
11.7
December
14.7°C
3.2

Izu Islands weather for the next seven days

9/24
Thursday
Patchy rain nearby
26.1°C/24.9°C
9/25
Friday
Patchy rain nearby
25.7°C/24.7°C
9/26
Saturday
Patchy rain nearby
25.6°C/24.6°C
9/27
Sunday
Light rain shower
26°C/25°C
9/28
Monday
Light rain shower
26°C/24°C
9/29
Tuesday
Patchy rain nearby
26°C/24°C
9/30
Wednesday
Patchy rain nearby
25.9°C/24.7°C

Izu Islands Frequently Asked Questions and Useful Information for Travel

Are the Izu Islands worth visiting?

Yes, the Izu Islands offer a fantastic travel experience with world-class surf and sandy beaches, highland resorts, onsen surrounded by nature, and rugged coastlines worth exploring. Shizuoka's Izu Peninsula is famous for its beaches, onsen and marine sports, and is home to a number of well-established and beloved beaches like Atami, Ito, and Shimoda.

What language do they speak in the Izu Islands?

Hachijō is currently spoken on two of the Izu Islands south of Tokyo, Hachijō-jima and the smaller Aogashima. This distinct dialect offers a unique linguistic experience for visitors to these southern islands.

How do you get to the Izu Islands?

Access to the Izu Islands is convenient via high-speed jetfoil, ferry, plane, or helicopter, depending on the specific island you wish to visit. Izu and Tokyo are the main departure points for trips to the islands. For Oshima, you can take the Tokai Kisen high-speed jetfoil from Takeshiba Passenger Boat Terminal in Tokyo, with journeys typically taking at least 1 hour and 45 minutes.

Can you do a day trip to the Izu Peninsula from Tokyo?

Yes, the Izu Peninsula, known for its striking coastal views, lush mountains, and rejuvenating hot springs, is an excellent destination for a day trip from Tokyo. Located about 60 miles (100 kilometers) southwest of Tokyo, the Izu Peninsula is easily accessible via several convenient transport options, making it a popular escape.

What are the main attractions of the Izu Islands?

The Izu Islands boast a diverse range of attractions including stunning beaches perfect for swimming and surfing, serene highland resorts offering relaxation, and natural hot springs (onsen) nestled amidst beautiful landscapes. The rugged coastlines also provide breathtaking scenery and opportunities for exploration.