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Weather extremes

How extreme does Shibata's weather get?

The hottest, coldest, wettest and snowiest days Shibata has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Niigata Airport station 19 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Shibata has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Aug 23, 2018

That is about 19°F hotter than a normal August afternoon in Shibata (typical high near 85°F).

The three most extreme on record

1 104°F Aug 23, 2018
2 104°F Aug 9, 2023
3 102°F Aug 14, 2019
❄️ Coldest night
21°F Feb 2, 1996

About 12°F colder than a normal February night in Shibata (typical low near 33°F).

The three most extreme on record

1 21°F Feb 2, 1996
2 23°F Feb 1, 1996
3 23°F Feb 4, 2014
🌧️ Most rain in one day
10.12 in Jul 14, 1993

The three most extreme on record

1 10.12 in Jul 14, 1993
2 10.08 in Jul 11, 1993
3 10.08 in Aug 22, 1993

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

10°30°50°70°90°110°130° all-time high 104°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Shibata's record heat sits well above even a hot day for the season — August's 104°F is about 19°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Shibata's warmest days reach the mid-80s°F and its coldest nights drop to the low 30s°F. But across the record it has gone as high as 104°F and as low as 21°F. A single day has delivered over 10 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Nakajo, about 15 km from the city centre.

How we build these numbers →