20.12
sat
sat
Day
55°F
NE 6 mph
Precip.
100%
100%
Night
54°F
NE 6 mph
Precip.
100%
100%
21.12
sun
sun
Day
59°F
NE 9 mph
Precip.
100%
100%
Night
57°F
SW 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
50°F
SW 10 mph
Precip.
0%
0%
Night
46°F
SW 10 mph
Precip.
0%
0%
23.12
tue
tue
Day
46°F
SW 8 mph
Precip.
0%
0%
Night
45°F
SW 5 mph
Precip.
0%
0%
24.12
wed
wed
Day
52°F
N 2 mph
Precip.
64%
64%
Night
55°F
NE 6 mph
Precip.
100%
100%
25.12
thu
thu
Day
54°F
SW 9 mph
Precip.
68%
68%
Night
48°F
SW 11 mph
Precip.
0%
0%
26.12
fri
fri
Day
48°F
SW 9 mph
Precip.
0%
0%
Night
43°F
SW 11 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 66.6°F. The highest and lowest sea temperatures during the month were 70.5°F and 64.2°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 62.6°F and 59.7°F.
Air temperature in Atami, °F
Precipitation total in Atami, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Atami
Atami on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Atami
Local time: 05:17
December 20, saturday
0600
50°F
N
2 mph
2 mph
0900
54°F
NE
4 mph
4 mph
1200
55°F
NE
6 mph
6 mph
1500
52°F
NE
5 mph
5 mph
1800
52°F
NE
4 mph
4 mph
2100
52°F
NE
5 mph
5 mph
December 21, sunday
0000
54°F
NE
6 mph
6 mph
0300
55°F
NE
8 mph
8 mph
