Spring (March–May): Average 10.1–19.3°C, mild climate but with relatively high rainfall, especially abundant in April and May. Common activities: Flower viewing, hiking. Recommended clothing: Light jacket, long-sleeved shirt, raincoat is essential.
Summer (June–August): Average 23.6–28.8°C, hot and humid with abundant rainfall. Common activities: Sightseeing at summer resorts, water activities (weather permitting). Recommended clothing: Light and breathable clothing, short sleeves, sun hat, raincoat.
Autumn (September–November): Average 18.8–26.6°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Hiking in the suburbs, maple viewing (depending on the actual leaf color change). Recommended clothing: Long-sleeved shirt, light jacket.
Winter (December–February): Average 4.2–6.2°C, cold and dry with little rainfall. Common activities: Hot springs, indoor activities. Recommended clothing: Warm clothing, thick jacket, scarf, gloves.
Sekiguchi climatological average
Annual average temperature: approx. 16.7°C / Annual rainfall: approx. 2225 mm / Summer humidity: 75%–85% / Rainiest month: August
Sekiguchi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.2°C
34.3
February
5.6°C
87.4
March
10.1°C
139.7
April
16.1°C
174.2
May
19.3°C
233.6
June
23.6°C
331.3
July
28°C
338.6
August
28.8°C
352.7
September
26.6°C
210.3
October
18.8°C
137.6
November
13.5°C
147.9
December
6.2°C
37.5
Sekiguchi weather for the next seven days
11/6
Thursday
Sunny
21.2°C/10.8°C
11/7
Friday
Sunny
18.7°C/8°C
11/8
Saturday
Sunny
17.7°C/6.9°C
11/9
Sunday
Moderate rain
15.7°C/12.5°C
11/10
Monday
Patchy rain nearby
17.5°C/9.1°C
11/11
Tuesday
Sunny
16.2°C/5.6°C
11/12
Wednesday
Sunny
19.6°C/10.2°C
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