Japan — weather in May, water temperature

City	Day	Night	Cloud	Rains	Precipitation	Sea	Sun
Atami	21.3 °C	15.3 °C	9 days	8 days	184.2 mm	18.6 °C	8.2 h.
Hakone	22.1 °C	16.2 °C	9 days	6 days	130.4 mm	18.6 °C	8.5 h.
Hiroshima	23.1 °C	13.8 °C	8 days	6 days	152.3 mm	17.4 °C	9.3 h.
Kamakura	22.5 °C	18.1 °C	9 days	5 days	78.9 mm	18.6 °C	8.9 h.
Kyoto	23.4 °C	13.8 °C	8 days	7 days	141.8 mm	17 °C	8.5 h.
Nagoya	23.7 °C	15.6 °C	8 days	6 days	156.4 mm	18.6 °C	9.4 h.
Nara	23.9 °C	14.6 °C	9 days	7 days	134.5 mm	17.7 °C	9.1 h.
Noboribetsu	14.3 °C	8 °C	9 days	6 days	106.1 mm	8.1 °C	8.1 h.
Okinawa	25.5 °C	22.8 °C	11 days	11 days	249 mm	24.2 °C	5.9 h.
Osaka	23.6 °C	15.7 °C	8 days	6 days	84.6 mm	18 °C	9.4 h.
Sapporo	16.2 °C	8.1 °C	10 days	7 days	95.2 mm	10.2 °C	8.5 h.
Tokyo	23.7 °C	18.2 °C	9 days	4 days	67.2 mm	18.8 °C	8.8 h.
Yokohama	22.3 °C	18.2 °C	9 days	5 days	98.5 mm	18.6 °C	8.8 h.