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Aizu

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Aizu Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Aizu year round climate

  • Spring (March–May): Average 5.4–16.7°C, mild climate, but early spring can still be chilly with occasional rain. Common activities: Flower viewing (e.g., mountain cherry blossoms), spring outings. Recommended clothing: Light jacket, long-sleeved shirt; warmer clothing for mornings and evenings.
  • Summer (June–August): Average 21.6–27.5°C, hot and humid with occasional thunderstorms. July is the rainiest month. Common activities: Hiking, river rafting (safety precautions needed). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): Average 8.9–23.9°C, pleasant and comfortable climate with less rainfall than summer. Common activities: Maple leaf viewing, hot spring bathing. Recommended clothing: Comfortable long-sleeved shirts, light jacket.
  • Winter (December–February): Average 0.2–2.6°C, cold and dry with occasional snowfall. Common activities: Skiing, snow activities. Recommended clothing: Warm clothing, heavy jacket, scarf, gloves, hat.

Aizu climatological average

Annual average temperature: approx. 13.5°C / Annual rainfall: approx. 1102 mm / Summer humidity: 70%–80% / Rainiest month: July

Aizu monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
0.2°C
80
February
1.2°C
62.7
March
5.4°C
75.3
April
12.7°C
61.3
May
16.7°C
73.3
June
21.6°C
134.3
July
26.1°C
139
August
27.5°C
78.3
September
23.9°C
109
October
14.9°C
81.3
November
8.9°C
97
December
2.6°C
111.3

Aizu weather for the next seven days

4/11
Saturday
Patchy rain nearby
15.6°C/4°C
4/12
Sunday
Sunny
11.5°C/2.8°C
4/13
Monday
Partly Cloudy
17.5°C/2.6°C
4/14
Tuesday
Patchy rain nearby
20.3°C/5.8°C
4/15
Wednesday
Moderate rain
18.5°C/7.1°C
4/16
Thursday
Patchy rain nearby
17.2°C/4°C
4/17
Friday
Sunny
20.9°C/4.1°C

Aizu Frequently Asked Questions and Useful Information for Travel

What is the meaning of Aizu?

Aizu is a region in Japan. The term 'aizu' can also be used as an interjection meaning 'hey, listen' to get someone's attention.

Who won the Battle of Aizu?

The Battle of Aizu took place from October 6, 1868, to November 6, 1868. The result was an Imperial victory.

What is the Aizu region known for?

Aizu is a region in western Fukushima Prefecture, Japan, renowned for its abundant nature, including the majestic Mt. Bandai and the clear Lake Inawashiro. It is also famous for its numerous cherry blossom trees and scenic spots, as highlighted in the NHK historical drama 'Yae no Sakura'.

Are there any famous people from Aizu?

Yes, during the Boshin War (1868–1869), notable figures emerged from Aizu, including Niijima Yae and Nakano Takeko. Niijima Yae (1845–1932), also known as Yamamoto Yaeko, was skilled in marksmanship, having learned from her father, a gunnery instructor for the Aizu domain.

What are some must-visit attractions in Aizu?

Aizu is home to historical sites like Tsuruga Castle, a symbol of the samurai spirit, and the samurai residences of Aizu Bukeyashiki. The region also offers natural beauty with Lake Inawashiro and Mount Bandai, and cultural experiences like traditional lacquerware (urushi) workshops.