ClimateAverages

Kashiwazaki Climate

Niigata, Japan · population 86,183 · 37 weather stations within 200 km · records 1825 to 2025

Average annual daytime high
17.7°C
Warmest month · August
30.8°C
Typical daytime high
Coldest month · January
-1.6°C
Typical overnight low

Kashiwazaki has an average annual daytime high of 17.7°C, based on the 1951 to 1980 baseline. Its warmest month is August, when highs typically reach 30.8°C, and its coldest is January, with overnight lows near -1.6°C.

Month by month averages

MonthAvg highAvg low
January5.1°C-1.6°CColdest
February5.8°C-1.5°C
March9.7°C0.7°C
April16.9°C5.8°C
May21.9°C11.0°C
June24.9°C16.2°C
July28.8°C20.5°C
August30.8°C21.5°CWarmest
September26.0°C17.4°C
October20.0°C10.8°C
November14.3°C5.3°C
December8.4°C1.0°C

Temperature range across the year

-4°6°15°24°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.2°C vs. 1951–1980
Coldest year on record
1884
-2.1°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Kashiwazaki getting hotter?

Since 1900, Kashiwazaki's average temperature has risen by +2.8°C. Compared to the earliest station records that begin in 1825, warming totals +2.5°C.

12.2°13.0°13.8°14.6°15.4°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Kashiwazaki?

Kashiwazaki's average annual daytime high is 17.7°C, based on the 1951 to 1980 baseline period. The warmest month is August, with highs averaging 30.8°C, and the coldest is January, with lows averaging -1.6°C.

What is the warmest month in Kashiwazaki?

August is the warmest month in Kashiwazaki, with typical daytime highs of 30.8°C.

What is the hottest year on record for Kashiwazaki?

2023 is the hottest year on record for Kashiwazaki, running +2.2°C above the 1951 to 1980 baseline.

Is Kashiwazaki getting hotter?

Yes. Since 1900, Kashiwazaki has warmed by roughly +2.8°C.

When is the best time to visit Kashiwazaki?

April to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.