World Resorts Japan Atami Weather

Atami 14 Days Forecast

19.09
sat
Day
73°F
W 12 mph
Precip.
21%
Night
70°F
SW 11 mph
Precip.
41%
20.09
sun
Day
66°F
SW 12 mph
Precip.
77%
Night
66°F
SW 11 mph
Precip.
79%
21.09
mon
Day
72°F
SW 19 mph
Precip.
72%
Night
73°F
E 6 mph
Precip.
44%
22.09
tue
Day
77°F
W 9 mph
Precip.
19%
Night
68°F
W 9 mph
Precip.
76%
23.09
wed
Day
66°F
SW 8 mph
Precip.
45%
Night
64°F
SW 5 mph
Precip.
50%
24.09
thu
Day
66°F
W 5 mph
Precip.
41%
Night
66°F
SW 3 mph
Precip.
58%
25.09
fri
Day
73°F
W 4 mph
Precip.
35%
Night
70°F
E 3 mph
Precip.
20%
26.09
sat
Day
75°F
W 6 mph
Precip.
35%
Night
63°F
SW 10 mph
Precip.
54%
27.09
sun
Day
66°F
SW 10 mph
Precip.
25%
Night
63°F
W 4 mph
Precip.
44%
28.09
mon
Day
73°F
E 6 mph
Precip.
31%
Night
70°F
E 4 mph
Precip.
49%
29.09
tue
Day
66°F
W 4 mph
Precip.
79%
Night
68°F
E 4 mph
Precip.
70%
30.09
wed
Day
72°F
NE 11 mph
Precip.
50%
Night
73°F
NE 18 mph
Precip.
34%
01.10
thu
Day
70°F
W 5 mph
Precip.
19%
Night
64°F
SW 7 mph
Precip.
43%
02.10
fri
Day
63°F
SW 7 mph
Precip.
64%
Night
61°F
W 7 mph
Precip.
39%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 78.7°F. The highest and lowest sea temperatures during the month were 80.2°F and 76.1°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 75.1°F. The highest and lowest sea temperatures during the month were 76.8°F and 73.0°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

Sunniest months:
January 17 days
December 17 days
May 13 days
Warmest months:
August 85.7 °F
July 83.3 °F
September 79.9 °F
Warmest sea temp:
August 80.4 °F
September 78.7 °F
July 76.7 °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 8.6 mph
April 8.4 mph
February 8.1 mph

Atami on a weather map

Atami
+72°F
SW 9 mph
Feels like: +72°F
Precip.: 24%
Places in Japan:
Name
°F
+72°F
+77°F
+77°F
+84°F
+84°F
+81°F
+86°F
+63°F
+84°F
+88°F
+66°F
+79°F
+77°F
+77°F
+79°F
24 Hours Forecast
Atami
Local time: 15:44
September 19, saturday
1800
70°F
W
9 mph
2100
70°F
SW
11 mph
September 20, sunday
0000
70°F
SW
11 mph
0300
68°F
SW
11 mph
0600
68°F
SW
14 mph
0900
68°F
SW
14 mph
1200
66°F
SW
12 mph
1500
68°F
SW
13 mph
Units of measurement: °C / °F