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Nagaoka

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Nagaoka Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Nagaoka year round climate

  • Spring (March–May): 7.5–17.2°C on average, mild but can be chilly and humid, moderate rainfall. Common activities: flower viewing, hiking, sightseeing. Recommended clothing: light jacket, long-sleeved shirts, comfortable shoes.
  • Summer (June–August): 22.0–28.4°C on average, hot and humid, heavier rainfall, especially in July. Common activities: swimming, outdoor activities (sun protection and rain gear needed), enjoying seasonal food. Recommended clothing: light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): 11.9–24.9°C on average, pleasant temperatures, heavier rainfall, relatively high humidity. Common activities: autumn leaves viewing, hiking, visiting temples and shrines. Recommended clothing: comfortable long-sleeved shirts, light jacket, comfortable shoes.
  • Winter (December–February): 3.2–5.2°C on average, cold and dry, heavier rainfall, especially in December. Common activities: skiing (requires going to mountain areas), hot springs, indoor activities. Recommended clothing: warm clothing, thick jacket, scarf, gloves, hat.

Nagaoka climatological average

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1981 mm / Summer humidity: 70%–80% / Rainiest month: December

Nagaoka monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
3.2°C
150
February
3.6°C
111.3
March
7.5°C
113.7
April
13°C
79.3
May
17.2°C
128.7
June
22°C
137.7
July
26.4°C
258
August
28.4°C
108.3
September
24.9°C
202.7
October
17.1°C
147.7
November
11.9°C
217.3
December
5.2°C
326.3

Nagaoka weather for the next seven days

8/24
Monday
Sunny
30.1°C/22°C
8/25
Tuesday
Sunny
30.9°C/23.6°C
8/26
Wednesday
Patchy rain nearby
29.2°C/22.3°C
8/27
Thursday
Light rain shower
24.8°C/20.4°C
8/28
Friday
Overcast
27.1°C/19.5°C
8/29
Saturday
Overcast
23.4°C/19.4°C
8/30
Sunday
Patchy rain nearby
30.8°C/20.9°C

Nagaoka Frequently Asked Questions and Useful Information for Travel

What is Nagaoka, Japan known for?

Nagaoka, Japan is renowned for its rich agricultural heritage, particularly its extensive rice farming. It's also a significant center for manufacturing, sake brewing, and the production of fermented foods, reflecting centuries of tradition.

What does the name Nagaoka signify?

The Japanese surname Nagaoka is deeply connected to the region of Nagaoka in Niigata Prefecture. It is traditionally understood to be derived from the Japanese words 'naga,' meaning long or eternal, and 'oka,' meaning hill or mound.

What is Nagaoka's connection to atomic theory?

In 1903, Nagaoka proposed an influential model of the atom, envisioning a small nucleus encircled by a ring of electrons. This 'Saturnian' model was a pioneering concept that predated Ernest Rutherford's discovery of the nucleus in 1911.

What are the main agricultural products of Nagaoka?

Nagaoka is a prominent agricultural hub, primarily known for its high-quality rice production. The region also excels in the cultivation of ingredients essential for sake brewing and the creation of various fermented food products.

What is the cultural significance of sake in Nagaoka?

Sake brewing is a deeply ingrained tradition in Nagaoka, reflecting the region's excellent rice harvests and pure water sources. Many local breweries contribute to Nagaoka's reputation as a key area for producing high-quality Japanese sake.