Please avoid Wednesdays, as many restaurants that offer meals are closed, and most others only serve Chinese food.
Anonymous User
Family
Hayama Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Hayama year round climate
Spring (March–May): Average 10.5–19.3°C, 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 23.7–29.5°C, 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 19.1–13.9°C, 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 7.2–6.1°C, 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. 17.2°C / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Hayama monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.1°C
47.4
February
6.1°C
72.5
March
10.5°C
131.3
April
16.4°C
182.2
May
19.3°C
199.8
June
23.7°C
248.8
July
28.9°C
176
August
29.5°C
254.7
September
27.1°C
127.3
October
19.1°C
105.2
November
13.9°C
91.9
December
7.2°C
19.2
Hayama weather for the next seven days
7/24
Friday
Sunny
37.3°C/24.8°C
7/25
Saturday
Sunny
35.8°C/25.4°C
7/26
Sunday
Sunny
34.6°C/24.2°C
7/27
Monday
Patchy rain nearby
32.5°C/23.9°C
7/28
Tuesday
Sunny
31.6°C/23.1°C
7/29
Wednesday
Sunny
31.6°C/22.2°C
7/30
Thursday
Sunny
35.3°C/22.4°C
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