climigo

Tohoku

When to go?

No ideal month: the best months are June, September, the least rainy with the right temperature. Nothing against March–May, October, December either. Avoid January–February (freezing), July–August (often rainy), November (often rainy).

Climate zones

KantoChubuHokkaidoSendaiSendaiSendaiAomoriAomoriAomoriMoriokaMoriokaMoriokaIwakiIwakiIwakiKōriyamaKōriyamaKōriyama

Mean maximum and minimum temperature and mean monthly precipitation of the season (the mean of its three months), ERA5-Land 1996–2025, at about 9 km resolution: colours are in levels (the same as the city scale) and smaller details are not real.

What is the climate like?

Area mean indicative, over the whole territory

Temperature and rain

January 2°−5° snow likely
February 3°−5° snow likely
March 7°−2°
April 13°3°
May 19°9°
June 23°14°
July 26°19°
August 27°19°
September 24°15°
October 18°9°
November 11°3°
December 5°−3°

Monthly min and max temperature (°C)

−10°−5°0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec−5.1 · 1.7 °CJanuary: −5.1 · 1.7 °C−4.7 · 2.8 °CFebruary: −4.7 · 2.8 °C−1.7 · 7.0 °CMarch: −1.7 · 7.0 °C3.1 · 13.4 °CApril: 3.1 · 13.4 °C8.9 · 19.0 °CMay: 8.9 · 19.0 °C13.9 · 22.7 °CJune: 13.9 · 22.7 °C18.5 · 26.1 °CJuly: 18.5 · 26.1 °C19.4 · 27.4 °CAugust: 19.4 · 27.4 °C15.2 · 23.7 °CSeptember: 15.2 · 23.7 °C8.5 · 17.5 °COctober: 8.5 · 17.5 °C2.6 · 11.0 °CNovember: 2.6 · 11.0 °C−2.5 · 4.5 °CDecember: −2.5 · 4.5 °C

Monthly min and max temperature (°C)

Jan −5.1 – 1.7 °C
Feb −4.7 – 2.8 °C
Mar −1.7 – 7.0 °C
Apr 3.1 – 13.4 °C
May 8.9 – 19.0 °C
Jun 13.9 – 22.7 °C
Jul 18.5 – 26.1 °C
Aug 19.4 – 27.4 °C
Sep 15.2 – 23.7 °C
Oct 8.5 – 17.5 °C
Nov 2.6 – 11.0 °C
Dec −2.5 – 4.5 °C

How much it rains

January 80 mm18 d
February 62 mm15 d
March 91 mm16 d
April 97 mm14 d
May 111 mm13 d
June 133 mm14 d
July 187 mm17 d
August 180 mm16 d
September 167 mm14 d
October 146 mm13 d
November 103 mm15 d
December 99 mm18 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec80 mm · 18 rain days · 4 mm a dayJanuary: 80 mm · 18 rain days · 4 mm a day62 mm · 15 rain days · 4 mm a dayFebruary: 62 mm · 15 rain days · 4 mm a day91 mm · 16 rain days · 6 mm a dayMarch: 91 mm · 16 rain days · 6 mm a day97 mm · 14 rain days · 7 mm a dayApril: 97 mm · 14 rain days · 7 mm a day111 mm · 13 rain days · 9 mm a dayMay: 111 mm · 13 rain days · 9 mm a day133 mm · 14 rain days · 10 mm a dayJune: 133 mm · 14 rain days · 10 mm a day187 mm · 17 rain days · 11 mm a dayJuly: 187 mm · 17 rain days · 11 mm a day180 mm · 16 rain days · 11 mm a dayAugust: 180 mm · 16 rain days · 11 mm a day167 mm · 14 rain days · 12 mm a daySeptember: 167 mm · 14 rain days · 12 mm a day146 mm · 13 rain days · 11 mm a dayOctober: 146 mm · 13 rain days · 11 mm a day103 mm · 15 rain days · 7 mm a dayNovember: 103 mm · 15 rain days · 7 mm a day99 mm · 18 rain days · 6 mm a dayDecember: 99 mm · 18 rain days · 6 mm a day

Rain days and how much water

Jan 80 mm18 d
Feb 62 mm15 d
Mar 91 mm16 d
Apr 97 mm14 d
May 111 mm13 d
Jun 133 mm14 d
Jul 187 mm17 d
Aug 180 mm16 d
Sep 167 mm14 d
Oct 146 mm13 d
Nov 103 mm15 d
Dec 99 mm18 d

Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day

Colour = the month's rain: 103060100160250400mm

Daylight hours

January 9 h 45
February 10 h 46
March 11 h 55
April 13 h 13
May 14 h 17
June 14 h 52
July 14 h 38
August 13 h 42
September 12 h 28
October 11 h 13
November 10 h 04
December 9 h 28

Mean daylight hours over the whole territory.

Snow on the ground

January 36 cm
February 52 cm
March 44 cm
April 15 cm
May 1 cm
June –
July –
August –
September –
October –
November 1 cm
December 11 cm

Mean snow depth on the ground (cm)

050100 cmJanFebMarAprMayJunJulAugSepOctNovDec36 cmJanuary: 36 cm52 cmFebruary: 52 cm44 cmMarch: 44 cm15 cmApril: 15 cm1 cmMay: 1 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm1 cmNovember: 1 cm11 cmDecember: 11 cm

Mean snow depth on the ground (cm)

Jan 36 cm
Feb 52 cm
Mar 44 cm
Apr 15 cm
May 1 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 1 cm
Dec 11 cm

Spatial mean over the whole area, weighted by area (cosine of the latitude), not by population: indicative only, since the climate varies a lot within an area (coasts, plains, mountains). Look at the cities for the weather you will find.

Cities