The tables below give May averages for the total 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.
The month's totals are long-term historical averages of weather data collected from 1981 to 2010.
Hokkaidō
Total May sunshine
| Place |
Days |
Hours |
| Abashiri |
16 |
189 |
| Asahikawa |
17 |
198 |
| Hakodate |
17 |
194 |
| Obihiro |
17 |
192 |
| Sapporo |
17 |
198 |
| Tomakomai |
15 |
172 |
| Wakkanai |
15 |
186 |
Tōhoku
Average amount of sun in May
| Place |
Days |
Hours |
| Aomori |
17 |
201 |
| Fukushima |
17 |
188 |
| Iwaki |
17 |
189 |
| Morioka |
16 |
185 |
| Sendai |
16 |
185 |
Kantō
Average May sun
| Place |
Days |
Hours |
| Chiba |
16 |
172 |
| Hachijo-jima Island |
13 |
136 |
| Maebashi |
18 |
193 |
| Nikko |
15 |
168 |
| Tokyo |
16 |
173 |
| Utsunomiya |
15 |
167 |
| Yokohama |
16 |
177 |
Chūbu
Number of sunny hours and days in May on average
| Place |
Days |
Hours |
| Aikawa, Sado Island |
18 |
195 |
| Gifu |
18 |
199 |
| Hamamatsu |
18 |
196 |
| Kanazawa |
18 |
202 |
| Nagano |
19 |
207 |
| Nagoya |
18 |
198 |
| Niigata |
17 |
200 |
| Shizuoka |
17 |
183 |
Kansai
Average total sunshine in May
| Place |
Days |
Hours |
| Himeji |
18 |
199 |
| Kobe |
18 |
194 |
| Kyoto |
16 |
181 |
| Nara |
17 |
185 |
| Osaka |
18 |
194 |
| Tsu |
17 |
191 |
| Wakayama |
18 |
202 |
Chūgoku
Amount of sun in May
| Place |
Days |
Hours |
| Fukuyama |
19 |
209 |
| Hiroshima |
18 |
206 |
| Kure |
19 |
204 |
| Matsue |
18 |
202 |
| Okayama |
18 |
201 |
| Tottori |
18 |
197 |
| Yamaguchi |
18 |
197 |
Shikoku
May sunshine averages
| Place |
Days |
Hours |
| Kochi |
17 |
186 |
| Matsuyama |
18 |
199 |
| Takamatsu |
18 |
203 |
| Tokushima |
18 |
197 |
Kyūshū
Total May sunshine
| Place |
Days |
Hours |
| Fukuoka |
17 |
195 |
| Kagoshima |
16 |
174 |
| Kumamoto |
17 |
187 |
| Miyazaki |
16 |
173 |
| Nagasaki |
17 |
184 |
| Oita |
17 |
187 |
| Wadomari, Okinoerabu Island |
14 |
158 |
| Yakushima Island Airport |
13 |
152 |
Okinawa
Average May sunshine
| Place |
Days |
Hours |
| Iriomote Island |
16 |
170 |
| Ishigaki Island |
15 |
162 |
| Kume |
13 |
143 |
| Miyakojima |
14 |
151 |
| Nago |
13 |
140 |
| Naha |
13 |
146 |
| Yonaguni Island |
13 |
140 |