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Kashiwazaki

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Kashiwazaki Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Kashiwazaki year round climate

  • Spring (March–May): Average 7.1–16.7°C, mild but possibly humid, with gradually decreasing rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, warmer clothing for mornings and evenings.
  • Summer (June–August): Average 21.8–28.2°C, hot and humid, with relatively little rainfall. Common activities: Swimming at the beach, outdoor activities. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
  • Autumn (September–November): Average 11.6–24.6°C, comfortable and pleasant, but with more rainfall, especially in October and November. Common activities: Leaf viewing, hiking. Recommended clothing: Comfortable long-sleeved clothing, a light jacket.
  • Winter (December–February): Average 2.5–4.9°C, cold and humid, with the most rainfall, often in the form of rain and snow. Common activities: Indoor activities, onsen experiences. Recommended clothing: Warm coat, sweater, scarf, hat, gloves.

Kashiwazaki climatological average

Annual average temperature: approx. 14.3°C / Annual rainfall: approx. 3101 mm / Summer humidity: 70%–80% / Rainiest month: December

Kashiwazaki monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
2.5°C
441.3
February
3°C
269.3
March
7.1°C
188.9
April
12.9°C
117.3
May
16.7°C
157.4
June
21.8°C
132.3
July
26.6°C
212
August
28.2°C
195.4
September
24.6°C
196.4
October
16.6°C
256.8
November
11.6°C
337.2
December
4.9°C
597

Kashiwazaki weather for the next seven days

4/22
Wednesday
Partly Cloudy
19.4°C/6.8°C
4/23
Thursday
Patchy rain nearby
16.2°C/9.2°C
4/24
Friday
Sunny
14.3°C/6.4°C
4/25
Saturday
Sunny
17.6°C/4.7°C
4/26
Sunday
Patchy rain nearby
18.7°C/9.4°C
4/27
Monday
Patchy rain nearby
17.5°C/10.9°C
4/28
Tuesday
Patchy rain nearby
19.1°C/10.8°C

Kashiwazaki Frequently Asked Questions and Useful Information for Travel

What is Kashiwazaki known for?

Kashiwazaki is known for its historical oil industry, with refineries established in the early 20th century following the opening of the Nishiyama oil fields. It's also a charming resort destination, celebrated for its relaxing hot springs and its coastal beauty.

Is the Kashiwazaki-Kariwa Nuclear Power Plant active?

Currently, there are no active reactors at the Kashiwazaki-Kariwa plant.

What anime is Sena Kashiwazaki from?

Sena Kashiwazaki is a character from the light novel and anime series Haganai.

Is Kashiwazaki a coastal city?

Yes, Kashiwazaki is located in a coastal region of south-central Niigata Prefecture, offering scenic ocean views and access to the sea.

What can I do in Kashiwazaki?

In Kashiwazaki, you can enjoy the therapeutic benefits of its hot springs, explore its coastal scenery, and learn about its industrial history. It's a great destination for a relaxing getaway.