Climate in Tōhoku

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from seven measuring weather stations in Tōhoku.
All data correspond to the average monthly values of the last 20 years.

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Tōhoku is one of the coldest regions in Japan with an average daily high temperature of only 16 degrees centigrade. The climate is very changeable and offers varied seasons with deep winters and warm summers. It rarely gets really warm here. Due to the warmer temperatures the best time for traveling is from June to September. Less attractive are the cold months from November to March.
Overview: Climate in Japan
Daylengths and sun positions in Japan
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Hours of sunshine per daySunshine hours per day in Tōhoku
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 7 hours per day, May is the sunniest month in the region of Tōhoku. In December the sun shines the shortest.
Rainy days per monthRainy days per month in Tōhoku
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 15 rainy days, December offers the most number of rainy days, and in June the least.
Precipitation in mm/dayPrecipitation in Tōhoku
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 2.4 mm, the least rain falls in February. July, on the other hand, has the most rain.
Climate charts for other regions in Japan

Map of Tōhoku

Most important cities in the region »Tōhoku«

Alone 2 major cities with over 1,000,000 inhabitants are located here. The region has a west-east extension of about 180 km and over 470 km from north to south.

It consists of the six prefectures Akita, Aomori, Fukushima, Iwate, Miyagi and Yamagata.

CityPopulationGeo position
Sendai1,082,15938° 15' 27"N140° 52' 0"E
Sendai1,063,10338° 16' 8"N140° 52' 19"E
Iwaki350,23737° 2' 60"N140° 52' 60"E
Koriyama335,44437° 23' 60"N140° 22' 60"E
Akita320,06939° 43' 0"N140° 7' 0"E
Akita315,81439° 43' 5"N140° 6' 12"E
Morioka297,63139° 42' 13"N141° 9' 9"E
Fukushima294,24737° 45' 0"N140° 28' 4"E
Aomori287,64840° 49' 28"N140° 44' 24"E
Yamagata253,83238° 14' 26"N140° 21' 48"E
Hachinohe231,25740° 30' 0"N141° 30' 0"E
Hirosaki177,41140° 35' 35"N140° 28' 21"E
Ishinomaki147,21438° 25' 0"N141° 18' 0"E
Tsuruoka129,65238° 43' 18"N139° 49' 18"E
Ichinoseki121,58338° 55' 0"N141° 7' 60"E
Sakata106,24438° 55' 0"N139° 51' 18"E
Hanamaki97,70239° 22' 60"N141° 7' 0"E
Yonezawa94,48637° 54' 36"N140° 7' 0"E
Kitakami93,85439° 16' 60"N141° 7' 0"E
Furukawa76,31238° 34' 18"N140° 57' 20"E
Sukagawa68,79037° 16' 60"N140° 22' 60"E
Tendo65,39338° 21' 13"N140° 22' 11"E
Odate64,54340° 16' 18"N140° 33' 27"E
Mizusawa61,28139° 7' 60"N141° 7' 60"E
Shiogama59,52638° 19' 0"N141° 1' 60"E
Miyako51,72139° 38' 49"N141° 56' 26"E
Noshiromachi51,07940° 12' 14"N140° 2' 22"E
Mutsu49,22041° 17' 22"N141° 13' 1"E
Goshogawara49,11040° 48' 16"N140° 26' 29"E
Higashine45,77938° 26' 20"N140° 24' 2"E

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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