Current sea water temperature:
+65.3°F
| Minimum sea water temperature in December: | 70.5°F |
| Maximum sea water temperature in December: | 58.3°F |
| Average sea water temperature in December: | 64.6°F |
| more information | |
14 days
forecast
forecast
| Atami |
monthly
weather
weather
| Atami |
Sea water temperature for the last 10 days:
| December 23 | 65.3°F | December 18 | 64.2°F |
| December 22 | 65.1°F | December 17 | 64.6°F |
| December 21 | 64.8°F | December 16 | 64.6°F |
| December 20 | 64.8°F | December 15 | 65.3°F |
| December 19 | 65.1°F | December 14 | 65.5°F |
Monthly sea water temperature, °F
When is the warmest sea in Atami?
Based on the data about daily sea water temperature for the last three years the warmest sea in Atami was noticed in August, September and July.
Monthly Sea Temperatures in Atami, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 80.7°F. The highest and lowest sea temperatures during the month were 82.9°F and 78.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 79.7°F. The highest and lowest sea temperatures during the month were 82.4°F and 76.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 80.0°F. The highest and lowest sea temperatures during the month were 82.2°F and 77.0°F.
current
weather
weather
| Atami |
weather in
December
December
| Atami |
Best time for vacation in Atami
Atami on a weather map
Places in Japan:
Name
°F
24 Hours Forecast
Atami
Local time: 02:34
December 24, wednesday
0300
46°F
SW
6 mph
6 mph
0600
45°F
S
6 mph
6 mph
0900
48°F
SW
6 mph
6 mph
1200
48°F
SW
6 mph
6 mph
1500
48°F
S
6 mph
6 mph
1800
48°F
SW
2 mph
2 mph
2100
50°F
W
1 mph
1 mph
December 25, thursday
0000
52°F
SE
4 mph
4 mph
