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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 44–62°F, 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 71–82°F, 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 52–76°F, 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 36–40°F, 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. 57.7°F / Annual rainfall: approx. 3101 mm / Summer humidity: 70%–80% / Rainiest month: December

Kashiwazaki monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
36.5°F
441.3
February
37.4°F
269.3
March
44.8°F
188.9
April
55.2°F
117.3
May
62.1°F
157.4
June
71.2°F
132.3
July
79.9°F
212
August
82.8°F
195.4
September
76.3°F
196.4
October
61.9°F
256.8
November
52.9°F
337.2
December
40.8°F
597

Kashiwazaki weather for the next seven days

5/15
Friday
Sunny
66°F/51.1°F
5/16
Saturday
Sunny
69.5°F/51.1°F
5/17
Sunday
Sunny
71.5°F/52.4°F
5/18
Monday
Sunny
76°F/54.8°F
5/19
Tuesday
Sunny
74.4°F/58°F
5/20
Wednesday
Patchy rain nearby
70.2°F/56.1°F
5/21
Thursday
Patchy rain nearby
60.9°F/57.1°F

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.