Japan — weather in April, water temperature

City	Day	Night	Cloud	Rains	Precipitation	Sea	Sun
Atami	16.7 °C	11.4 °C	8 days	8 days	199.2 mm	16.2 °C	6.9 h.
Hakone	17.5 °C	12.1 °C	8 days	7 days	133.4 mm	16.1 °C	7.2 h.
Hiroshima	18.1 °C	9.3 °C	8 days	6 days	132.4 mm	14.1 °C	8 h.
Kamakura	18 °C	13.8 °C	9 days	5 days	94 mm	16 °C	7.6 h.
Kyoto	17.7 °C	8.9 °C	10 days	7 days	121.6 mm	13.3 °C	7.1 h.
Nagoya	18.3 °C	10.9 °C	9 days	6 days	147.3 mm	15.3 °C	7.9 h.
Nara	18.5 °C	9.8 °C	9 days	6 days	114.1 mm	14.3 °C	7.6 h.
Noboribetsu	8.5 °C	2.8 °C	10 days	5 days	90.7 mm	4.3 °C	7.3 h.
Okinawa	22.6 °C	20.1 °C	9 days	8 days	118.2 mm	22.4 °C	5.6 h.
Osaka	18.6 °C	11.2 °C	9 days	5 days	68.5 mm	14.7 °C	8.1 h.
Sapporo	9.3 °C	2.3 °C	10 days	5 days	80.3 mm	4.5 °C	7.4 h.
Tokyo	18.7 °C	13.3 °C	9 days	5 days	79.8 mm	15.2 °C	7.7 h.
Yokohama	17.8 °C	13.8 °C	9 days	6 days	119 mm	15.4 °C	7.4 h.