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Weather extremes

How extreme does Akita's weather get?

The hottest, coldest, wettest and snowiest days Akita 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 Akita station 1 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 Akita has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
100°F Jul 31, 2000

That is about 19°F hotter than a normal July afternoon in Akita (typical high near 81°F).

The three most extreme on record

1 100°F Jul 31, 2000
2 100°F Aug 9, 2023
3 100°F Aug 7, 2016
❄️ Coldest night
14°F Feb 4, 1999

About 14°F colder than a normal February night in Akita (typical low near 27°F).

The three most extreme on record

1 14°F Feb 4, 1999
2 14°F Feb 3, 1999
3 15°F Feb 2, 2018
🌧️ Most rain in one day
7.87 in Sep 1, 1993

More rain in a single day than Akita usually gets in the whole month of September (typical September total about 6.7 in).

The three most extreme on record

1 7.87 in Sep 1, 1993
2 5.91 in Feb 14, 2014
3 5.51 in Jan 30, 2014

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°10°30°50°70°90°110°130° all-time high 100°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Akita's record heat sits well above even a hot day for the season — July's 100°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, Akita's warmest days reach the mid-80s°F and its coldest nights drop to the high 20s°F. But across the record it has gone as high as 100°F and as low as 14°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 Akita, about 2 km from the city centre.

How we build these numbers →