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Hiraiso
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Hiraiso Weather and climate
Data source：Meteostat
Update date：2025-09
Hiraiso year round climate
- Spring (March–May): Average 9.1–18.1°C, climate transitions from cold to warm, rainfall gradually increases. March is relatively humid and cold, while May becomes warm and comfortable. Common activities: Spring outings, flower viewing. Recommended clothing: Spring jacket, comfortable trousers or skirt, adjust clothing according to weather changes.
- Summer (June–August): Average 22.1–27.6°C, hot and humid, more rainfall, with the most rainfall in June. Common activities: Beach activities, sightseeing at summer resorts. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
- Autumn (September–November): Average 12.4–24.8°C, temperature gradually decreases, more rainfall, but the weather is comfortable and pleasant. September has more rainfall. Common activities: Maple leaf viewing, hiking. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
- Winter (December–February): Average 3.9–6.0°C, cold and dry, less rainfall. Common activities: Skiing, hot spring experience (if available nearby). Recommended clothing: Warm jacket, hat, scarf, gloves.
Hiraiso climatological average
Annual average temperature: approx. 15.7°C / Annual rainfall: approx. 1421 mm / Summer humidity: 70%–80% / Rainiest month: June
Hiraiso monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.9°C
32.3
February
5°C
53
March
9.1°C
109.3
April
14.7°C
105.7
May
18.1°C
160.3
June
22.1°C
225
July
26.9°C
130.7
August
27.6°C
155.7
September
24.8°C
209.7
October
17.5°C
128.7
November
12.4°C
88.3
December
6°C
22.8
Hiraiso weather for the next seven days
11/6
Thursday
Moderate rain
15.7°C/12.1°C
11/7
Friday
Sunny
19.1°C/10.8°C
11/8
Saturday
Partly Cloudy
14.2°C/9.8°C
11/9
Sunday
Patchy rain nearby
17.2°C/12.9°C
11/10
Monday
Patchy rain nearby
18.9°C/11.1°C
11/11
Tuesday
Sunny
15.2°C/9.5°C
11/12
Wednesday
Sunny
15.2°C/8.7°C
