climigo

Japan

When to go?

No ideal month: the best months are May, October, the least rainy with the right temperature. Nothing against February–April, June, September, November–December either.

Very varied climate The climate changes a lot from one part to another: look at the cities below for the details.

Climate zones

TaiwanChinaSouth KoreaNorth KoreaRussiaChugokuTohokuKantoChubuKyushuShikokuKansaiHokkaidoOkinawaTokyoTokyoTokyoOsakaOsakaOsakaKyotoKyotoKyotoHiroshimaHiroshimaYokohamaYokohamaNagoyaNagoyaSapporoSapporoSapporoFukuokaFukuokaFukuokaKobeKobeNagasakiNagasakiNagasakiSendaiSendaiSendaiSaitamaSaitamaSaitama

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 4°−4° snow likely
February 5°−4°
March 9°0°
April 15°5°
May 20°10°
June 23°15°
July 27°19°
August 28°20°
September 25°17°
October 19°10°
November 13°4°
December 6°−2°

Monthly min and max temperature (°C)

−5°0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec−4.0 · 3.8 °CJanuary: −4.0 · 3.8 °C−3.5 · 4.9 °CFebruary: −3.5 · 4.9 °C−0.2 · 9.1 °CMarch: −0.2 · 9.1 °C4.8 · 14.7 °CApril: 4.8 · 14.7 °C10.1 · 19.8 °CMay: 10.1 · 19.8 °C15.0 · 23.2 °CJune: 15.0 · 23.2 °C19.3 · 26.8 °CJuly: 19.3 · 26.8 °C20.2 · 27.9 °CAugust: 20.2 · 27.9 °C16.5 · 24.6 °CSeptember: 16.5 · 24.6 °C10.2 · 18.8 °COctober: 10.2 · 18.8 °C4.2 · 12.6 °CNovember: 4.2 · 12.6 °C−1.5 · 6.3 °CDecember: −1.5 · 6.3 °C

Monthly min and max temperature (°C)

Jan −4.0 – 3.8 °C
Feb −3.5 – 4.9 °C
Mar −0.2 – 9.1 °C
Apr 4.8 – 14.7 °C
May 10.1 – 19.8 °C
Jun 15.0 – 23.2 °C
Jul 19.3 – 26.8 °C
Aug 20.2 – 27.9 °C
Sep 16.5 – 24.6 °C
Oct 10.2 – 18.8 °C
Nov 4.2 – 12.6 °C
Dec −1.5 – 6.3 °C

How much it rains

January 78 mm14 d
February 73 mm13 d
March 106 mm14 d
April 116 mm12 d
May 140 mm12 d
June 200 mm14 d
July 219 mm16 d
August 190 mm15 d
September 190 mm14 d
October 147 mm12 d
November 100 mm13 d
December 88 mm14 d

Rain days and how much water

0102030 dJanFebMarAprMayJunJulAugSepOctNovDec78 mm · 14 rain days · 6 mm a dayJanuary: 78 mm · 14 rain days · 6 mm a day73 mm · 13 rain days · 6 mm a dayFebruary: 73 mm · 13 rain days · 6 mm a day106 mm · 14 rain days · 8 mm a dayMarch: 106 mm · 14 rain days · 8 mm a day116 mm · 12 rain days · 10 mm a dayApril: 116 mm · 12 rain days · 10 mm a day140 mm · 12 rain days · 12 mm a dayMay: 140 mm · 12 rain days · 12 mm a day200 mm · 14 rain days · 14 mm a dayJune: 200 mm · 14 rain days · 14 mm a day219 mm · 16 rain days · 14 mm a dayJuly: 219 mm · 16 rain days · 14 mm a day190 mm · 15 rain days · 13 mm a dayAugust: 190 mm · 15 rain days · 13 mm a day190 mm · 14 rain days · 14 mm a daySeptember: 190 mm · 14 rain days · 14 mm a day147 mm · 12 rain days · 12 mm a dayOctober: 147 mm · 12 rain days · 12 mm a day100 mm · 13 rain days · 8 mm a dayNovember: 100 mm · 13 rain days · 8 mm a day88 mm · 14 rain days · 6 mm a dayDecember: 88 mm · 14 rain days · 6 mm a day

Rain days and how much water

Jan 78 mm14 d
Feb 73 mm13 d
Mar 106 mm14 d
Apr 116 mm12 d
May 140 mm12 d
Jun 200 mm14 d
Jul 219 mm16 d
Aug 190 mm15 d
Sep 190 mm14 d
Oct 147 mm12 d
Nov 100 mm13 d
Dec 88 mm14 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 52
February 10 h 50
March 11 h 55
April 13 h 09
May 14 h 11
June 14 h 44
July 14 h 30
August 13 h 37
September 12 h 27
October 11 h 16
November 10 h 10
December 9 h 36

Mean daylight hours over the whole territory.

Snow on the ground

January 26 cm
February 36 cm
March 33 cm
April 15 cm
May 2 cm
June –
July –
August –
September –
October –
November 1 cm
December 10 cm

Mean snow depth on the ground (cm)

02550 cmJanFebMarAprMayJunJulAugSepOctNovDec26 cmJanuary: 26 cm36 cmFebruary: 36 cm33 cmMarch: 33 cm15 cmApril: 15 cm2 cmMay: 2 cm0 cmJune: 0 cm0 cmJuly: 0 cm0 cmAugust: 0 cm0 cmSeptember: 0 cm0 cmOctober: 0 cm1 cmNovember: 1 cm10 cmDecember: 10 cm

Mean snow depth on the ground (cm)

Jan 26 cm
Feb 36 cm
Mar 33 cm
Apr 15 cm
May 2 cm
Jun 0 cm
Jul 0 cm
Aug 0 cm
Sep 0 cm
Oct 0 cm
Nov 1 cm
Dec 10 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.

Main cities

Tokyo

Osaka

Kyoto

Regions