Climate in Shikoku

Average daytime and nighttime temperatures

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

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Shikoku is one of the warmest regions in Japan with an average daily high temperature of 21 degrees. For several months of the year, it is warm to hot at temperatures continuously above 25 degrees, sometimes up to 33 degrees. Due to the warmer temperatures, the best time for traveling is from July to September. Less attractive are the cold months from November to March.
Overview: Climate in Japan
Daylengths and sun positions in Japan
Compare climate with other regions or countries
Sunshine hours per day
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, August is the sunniest month in the region of Shikoku. In December, the sun shines the least.
Rain days per month
A rain day is a day on which at least 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 12 rain days, June offers the most rain days, while January has the fewest.
Precipitation amount in mm/day
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 1.6 mm, the least amount of rain falls in January. July, on the other hand, has the most rain.
Climate charts for other regions in Japan

Map of Shikoku

Most important cities in the region »Shikoku«

The region has a west-east extension of about 190 km and over 170 km from north to south.

It consists of the four prefectures Ehime, Kagawa, Kochi and Tokushima.

CityPopulationGeo position
Matsuyama511,19233° 50' 21"N132° 45' 57"E
Takamatsu417,49634° 20' 25"N134° 2' 36"E
Kochi326,54533° 33' 35"N133° 31' 52"E
Tokushima252,39134° 3' 57"N134° 33' 34"E
Niihama115,93833° 57' 38"N133° 18' 19"E
Marugame109,51334° 16' 60"N133° 46' 60"E
Saijo104,79133° 55' 0"N133° 10' 60"E
Narutocho-mitsuishi64,08234° 11' 58"N134° 36' 34"E
Uwajima58,97133° 13' 26"N132° 33' 36"E
Sakaidecho57,09034° 19' 22"N133° 50' 8"E
Anan55,42133° 55' 0"N134° 39' 0"E
Kan'onjicho44,36334° 7' 39"N133° 38' 46"E
Komatsushimacho42,59834° 0' 0"N134° 34' 60"E
Ozu38,83333° 30' 0"N132° 33' 0"E
Kawanoecho37,64134° 0' 60"N133° 34' 42"E
Nakamura34,55932° 58' 60"N132° 55' 60"E
Iyo30,76033° 45' 5"N132° 42' 5"E
Masaki-cho30,54833° 47' 15"N132° 42' 40"E
Hojo27,99233° 58' 36"N132° 46' 40"E
Ishii26,39434° 4' 3"N134° 26' 31"E
Susaki26,19533° 23' 41"N133° 17' 29"E
Sukumo25,78432° 55' 60"N132° 43' 60"E
Kamojimacho-jogejima24,37434° 4' 5"N134° 21' 1"E
Ino24,12333° 32' 60"N133° 25' 60"E
Tadotsu23,51434° 16' 30"N133° 45' 0"E
Shido22,85934° 19' 24"N134° 10' 24"E
Aki20,11733° 30' 0"N133° 54' 0"E
Wakimachi17,65934° 4' 0"N134° 9' 0"E
Muroto-misakicho17,60133° 17' 12"N134° 10' 6"E
Tonosho16,51434° 28' 50"N134° 10' 13"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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