World Resorts Japan Atami Weather

Atami sea water temperature

Current sea water temperature:
+58.1°F
Minimum sea water temperature in February: 62.6°F
Maximum sea water temperature in February: 56.8°F
Average sea water temperature in February: 59.3°F

Sea water temperature for the last 10 days:

February 25 58.1°F February 20 59.4°F
February 24 59.2°F February 19 59.4°F
February 23 59.4°F February 18 59.2°F
February 22 59.2°F February 17 59.5°F
February 21 58.6°F February 16 60.1°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.

Best time for vacation in Atami

Sunniest months:
January 17 days
December 17 days
May 13 days
Warmest months:
August 86.1 °F
July 83.4 °F
September 79.9 °F
Warmest sea temp:
August 80.4 °F
September 78.7 °F
July 76.6 °F
Coldest months:
January 48.3 °F
February 49.2 °F
December 53.0 °F
Rainiest months:
September 8 days
June 8 days
July 7 days
Windiest months:
March 8.7 mph
April 8.5 mph
February 8.3 mph

Atami on a weather map

Atami
+46°F
SW 15 mph
Feels like: +39°F
Precip.: 0%
Places in Japan:
Name
°F
+45°F
+46°F
+48°F
+50°F
+50°F
+54°F
+50°F
+28°F
+64°F
+50°F
+19°F
+43°F
+50°F
+46°F
+46°F
24 Hours Forecast
Atami
Local time: 04:19
February 26, thursday
0600
45°F
SW
14 mph
0900
50°F
SW
12 mph
1200
55°F
SW
12 mph
1500
57°F
SW
11 mph
1800
52°F
SW
9 mph
2100
50°F
SW
9 mph
February 27, friday
0000
46°F
S
6 mph
0300
46°F
SW
7 mph
Units of measurement: °C / °F