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Honjo

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Honjo Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Honjo year round climate

  • Spring (March–May): Average 9.9–19.0°C, mild climate, but rainfall increases gradually, especially in May. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, and bring rain gear.
  • Summer (June–August): Average 23.3–28.6°C, hot and humid with more rainfall. Common activities: Summer resorts, water activities (such as swimming). Recommended clothing: Light and breathable clothing, short sleeves, shorts, and a sun hat.
  • Autumn (September–November): Average 18.0–25.6°C, comfortable and pleasant climate, but September has the most rainfall. Common activities: Maple viewing, outdoor excursions. Recommended clothing: Light long sleeves, jacket.
  • Winter (December–February): Average 4.4–6.8°C, cold and dry with little rainfall. Common activities: Skiing (requires travel to nearby areas), hot spring experiences. Recommended clothing: Warm clothing, thick jacket, scarf, gloves, and hat.

Honjo climatological average

Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: September

Honjo monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.4°C
11.5
February
5.4°C
33
March
9.9°C
76.7
April
15.6°C
76
May
19°C
126.3
June
23.3°C
187.7
July
28.2°C
160.7
August
28.6°C
148.7
September
25.6°C
202.7
October
18°C
94.3
November
12.8°C
49
December
6.8°C
9.2

Honjo weather for the next seven days

2/4
Wednesday
Sunny
9.9°C/-0.1°C
2/5
Thursday
Sunny
11.5°C/1.8°C
2/6
Friday
Sunny
14.2°C/2.3°C
2/7
Saturday
Patchy rain nearby
4.8°C/0.9°C
2/8
Sunday
Heavy snow
1.7°C/-0.8°C
2/9
Monday
Sunny
6.4°C/-1.5°C
2/10
Tuesday
Sunny
8.9°C/-1.6°C

Honjo Frequently Asked Questions and Useful Information for Travel

What does the name Honjo mean?

The name Honjo is composed of two kanji characters: 'Hon' (本) meaning 'base, root, origin, source' and 'Jo' (庄) meaning 'level'.

Are the 7 mysteries of Honjo real?

The 'Seven Mysteries of Honjo' are genuine urban legends rooted in the Edo period when the area was known as Honjo. These local myths are well-known within the region.

Who is Honjo in a scientific context?

In the scientific field, Honjo is recognized for discovering activation-induced cytidine deaminase (AID), a crucial enzyme for class switch recombination and somatic hypermutation. He developed the fundamental framework for class switch recombination starting with his DNA deletion discovery in 1978.

What is the historical significance of the Honjo Masamune sword?

The Honjo Masamune sword is revered as a masterwork of Japanese swordmaking and a symbol of authority. It has a rich history, having been possessed by several notable figures throughout Japanese history.

What is the current status of the Honjo Masamune sword?

The Honjo Masamune sword has not been located since its surrender in 1945. It is considered a lost national treasure, with its whereabouts unknown. Theories suggest it may have been taken to the United States as a war trophy and could be in private ownership.