Average Sunshine a Year in Japan

The tables below give yearly averages for the number of sunny days and hours of sunshine at cities and towns throughout Japan. The count of days is for those with sunshine during at least 40 percent of the time between sunrise and sunset.

You can jump to a separate table for each section of the country: Hokkaidō, Tōhoku, Kantō, Chūbu, Kansai, Chūgoku Shikoku, Kyūshū and Okinawa.

These annual totals are long-term historical averages of weather data collected from 1981 to 2010.

Hokkaidō

Total annual sunshine
Place Days Hours
Abashiri 193 1869
Asahikawa 153 1591
Hakodate 178 1748
Obihiro 219 2033
Sapporo 172 1740
Tomakomai 186 1703
Wakkanai 137 1484

Tōhoku

Average amount of sunshine yearly
Place Days Hours
Aomori 149 1603
Fukushima 185 1739
Iwaki 214 2043
Morioka 176 1684
Sendai 192 1796

Kantō

Annual average sun
Place Days Hours
Chiba 197 1904
Hachijo-jima Island 141 1399
Maebashi 222 2111
Nikko 187 1767
Tokyo 197 1881
Utsunomiya 199 1911
Yokohama 205 1964

Chūbu

Number of sunny hours and days a year on average
Place Days Hours
Aikawa, Sado Island 154 1631
Gifu 218 2085
Hamamatsu 227 2208
Kanazawa 160 1681
Nagano 205 1940
Nagoya 218 2092
Niigata 155 1643
Shizuoka 219 2099

Kansai

Average total sunshine yearly
Place Days Hours
Himeji 218 2033
Kobe 214 1995
Kyoto 189 1775
Nara 191 1823
Osaka 212 1996
Tsu 220 2066
Wakayama 219 2089

Chūgoku

Annual average sunshine
Place Days Hours
Fukuyama 223 2096
Hiroshima 215 2042
Kure 219 2051
Matsue 165 1696
Okayama 219 2031
Tottori 162 1663
Yamaguchi 196 1895

Shikoku

Yearly sunshine totals
Place Days Hours
Kochi 226 2154
Matsuyama 208 2017
Takamatsu 216 2054
Tokushima 222 2093

Kyūshū

Amount of sun a year
Place Days Hours
Fukuoka 189 1867
Kagoshima 199 1936
Kumamoto 207 2002
Miyazaki 216 2116
Nagasaki 195 1866
Oita 209 2002
Wadomari, Okinoerabu Island 189 1881
Yakushima Island Airport 150 1531

Okinawa

Average sunshine annually
Place Days Hours
Iriomote Island 174 1736
Ishigaki Island 187 1850
Kume 181 1758
Miyakojima 184 1766
Nago 183 1764
Naha 184 1774
Yonaguni Island 157 1575
Reference

Japan Meteorological Agency. Historical weather data retrieval.

Japan Sunshine
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