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Weather extremes

How extreme does Nishishinminato's weather get?

The hottest, coldest, wettest and snowiest days Nishishinminato 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 Fushiki station 3 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 Nishishinminato has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Aug 14, 1994

That is about 16°F hotter than a normal August afternoon in Nishishinminato (typical high near 88°F).

The three most extreme on record

1 104°F Aug 14, 1994
2 101°F Aug 2, 1999
3 101°F Aug 1, 1999
❄️ Coldest night
21°F Jan 17, 1995

About 11°F colder than a normal January night in Nishishinminato (typical low near 32°F).

The three most extreme on record

1 21°F Jan 17, 1995
2 21°F Jan 22, 1997
3 21°F Jan 21, 1997
🌧️ Most rain in one day
8.15 in Aug 23, 2013

More rain in a single day than Nishishinminato usually gets in the whole month of August (typical August total about 7.6 in).

The three most extreme on record

1 8.15 in Aug 23, 2013
2 7.60 in Aug 7, 2025
3 7.32 in Jul 1, 2017

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

Nishishinminato's record heat sits well above even a hot day for the season — August's 104°F is about 16°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, Nishishinminato's warmest days reach the high 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 8 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 Fushiki, about 2 km from the city centre.

How we build these numbers →