Spring (March–May): Average 11.6–18.5°C, mild and rainy climate with occasional sunny days. Common activities: Onsen bathing, enjoying Atami's natural scenery, seaside strolls. Recommended clothing: Light jacket, comfortable trousers or skirt, comfortable shoes.
Summer (June–August): Average 22.3–27.2°C, hot and humid, with heavier rainfall, especially in June. Common activities: Onsen bathing, swimming at the beach (safety precautions needed), sightseeing in Atami. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 15.3–25.4°C, pleasant and comfortable climate with gradually decreasing rainfall. Common activities: Onsen bathing, viewing autumn leaves (in some areas), strolling through Atami town. Recommended clothing: Light jacket, long-sleeved shirt, comfortable trousers or skirt.
Winter (December–February): Average 7.5–9.7°C, cold and dry with less rainfall. Common activities: Onsen bathing, enjoying winter seascapes. Recommended clothing: Warm coat, sweater, scarf, hat, gloves.
Atami climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 2014 mm / Summer humidity: 70%–80% / Rainiest month: June
Atami monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
7.5°C
33.8
February
7.8°C
97.1
March
11.6°C
185.2
April
15.8°C
222.5
May
18.5°C
226.3
June
22.3°C
334.1
July
27.2°C
166.4
August
27.1°C
224.4
September
25.4°C
229
October
19.3°C
144.8
November
15.3°C
117.5
December
9.7°C
33.7
Atami weather for the next seven days
11/3
Monday
Sunny
17.8°C/10.5°C
11/4
Tuesday
Sunny
14.1°C/8.7°C
11/5
Wednesday
Partly Cloudy
16.1°C/10.8°C
11/6
Thursday
Patchy rain nearby
17.2°C/11.1°C
11/7
Friday
Sunny
17°C/10.4°C
11/8
Saturday
Sunny
18.9°C/11.4°C
11/9
Sunday
Partly Cloudy
18.6°C/12.4°C
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