21.12
sun
sun
Day
61°F
NE 9 mph
Precip.
0%
0%
Night
55°F
SW 7 mph
Precip.
0%
0%
22.12
mon
mon
Day
48°F
SW 11 mph
Precip.
0%
0%
Night
45°F
SW 9 mph
Precip.
0%
0%
23.12
tue
tue
Day
46°F
SW 9 mph
Precip.
0%
0%
Night
48°F
SW 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
48°F
SW 2 mph
Precip.
100%
100%
Night
54°F
NE 3 mph
Precip.
0%
0%
25.12
thu
thu
Day
55°F
SW 5 mph
Precip.
68%
68%
Night
50°F
SW 6 mph
Precip.
100%
100%
26.12
fri
fri
Day
50°F
W 2 mph
Precip.
100%
100%
Night
45°F
SW 9 mph
Precip.
76%
76%
27.12
sat
sat
Day
43°F
SW 7 mph
Precip.
0%
0%
Night
39°F
S 6 mph
Precip.
0%
0%
28.12
sun
sun
Day
45°F
SW 7 mph
Precip.
0%
0%
Night
37°F
SW 6 mph
Precip.
0%
0%
29.12
mon
mon
Day
43°F
SW 7 mph
Precip.
100%
100%
Night
39°F
S 7 mph
Precip.
100%
100%
30.12
tue
tue
Day
54°F
S 5 mph
Precip.
0%
0%
Night
45°F
N 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
50°F
E 8 mph
Precip.
100%
100%
Night
45°F
E 2 mph
Precip.
0%
0%
01.01
thu
thu
Day
45°F
E 11 mph
Precip.
66%
66%
Night
34°F
E 5 mph
Precip.
0%
0%
02.01
fri
fri
Day
43°F
E 17 mph
Precip.
0%
0%
Night
41°F
E 22 mph
Precip.
0%
0%
03.01
sat
sat
Day
48°F
E 25 mph
Precip.
0%
0%
Night
41°F
E 6 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 66.4°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: 20:20
December 21, sunday
2100
59°F
S
5 mph
5 mph
December 22, monday
0000
55°F
SW
7 mph
7 mph
0300
54°F
W
8 mph
8 mph
0600
50°F
SW
11 mph
11 mph
0900
48°F
SW
11 mph
11 mph
1200
48°F
SW
11 mph
11 mph
1500
48°F
W
9 mph
9 mph
1800
48°F
SW
9 mph
9 mph
