Spring (March–May): Average 11.8–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: Flower viewing (if suitable plants are available), outdoor walks (be mindful of weather changes). Recommended clothing: Light jacket, comfortable long pants or skirt.
Summer (June–August): Average 22.8–27.9°C, hot and humid with relatively high rainfall, most rainfall in June. Common activities: Indoor activities, visits to summer resorts. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 19.0–26.1°C, comfortable climate with gradually decreasing rainfall. Common activities: Hiking, excursions, outdoor activities. Recommended clothing: Light jacket, long-sleeved shirts and pants.
Winter (December–February): Average 6.2–8.4°C, cold and dry with low rainfall. Common activities: Indoor leisure activities, onsen experiences. Recommended clothing: Warm jacket, hat, scarf, gloves.
Hayakawa climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 2182 mm / Summer humidity: 70%–80% / Rainiest month: June
Hayakawa monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.2°C
43.1
February
7.5°C
109.2
March
11.8°C
191.3
April
16.2°C
234
May
18.9°C
262.2
June
22.8°C
346.2
July
27.9°C
198.4
August
27.9°C
227.1
September
26.1°C
242.3
October
19°C
152.5
November
14.7°C
137.1
December
8.4°C
38.8
Hayakawa weather for the next seven days
4/11
Saturday
Sunny
21.6°C/14.6°C
4/12
Sunday
Partly Cloudy
17.2°C/13.3°C
4/13
Monday
Sunny
19.6°C/12.6°C
4/14
Tuesday
Partly Cloudy
19.1°C/13°C
4/15
Wednesday
Patchy rain nearby
19.2°C/13.3°C
4/16
Thursday
Patchy rain nearby
16.7°C/13.2°C
4/17
Friday
Partly Cloudy
16.7°C/10.8°C
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