Spring (March–May): Average 50–66°F, mild and comfortable climate, but with relatively high rainfall; be prepared for rain. Common activities: flower viewing, picnicking, seaside walks. Recommended clothing: light jacket, long-sleeved shirt, rain gear.
Summer (June–August): Average 74–85°F, hot and humid, with relatively high rainfall; be prepared for heat and sun protection. Common activities: swimming, surfing, water sports. Recommended clothing: light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 66–57°F, comfortable and pleasant climate, with gradually decreasing rainfall. Common activities: mountain climbing, hiking, viewing autumn leaves. Recommended clothing: light jacket, long-sleeved shirt.
Winter (December–February): Average 44–42°F, cold and dry, with the least rainfall. Common activities: hot springs, indoor activities. Recommended clothing: warm jacket, sweater, scarf, gloves.
Hayama climatological average
Annual average temperature: approx. 63.0°F / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Hayama monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
41.2°F
47.4
February
43°F
72.5
March
50.9°F
131.3
April
61.5°F
182.2
May
66.7°F
199.8
June
74.7°F
248.8
July
84°F
176
August
85.1°F
254.7
September
80.8°F
127.3
October
66.4°F
105.2
November
57°F
91.9
December
45°F
19.2
Hayama weather for the next seven days
12/13
Saturday
Patchy rain nearby
47.9°F/33.8°F
12/14
Sunday
Moderate rain
47.8°F/42.2°F
12/15
Monday
Patchy rain nearby
42.4°F/38.6°F
12/16
Tuesday
Sunny
51.6°F/35.2°F
12/17
Wednesday
Partly Cloudy
54.1°F/42.1°F
12/18
Thursday
Sunny
53.3°F/39.6°F
12/19
Friday
Sunny
56.9°F/39.6°F
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