Spring (March–May): Average 10.1–18.9°C, mild climate but with relatively high rainfall, especially in April. Common activities: flower viewing, outdoor walks. Recommended clothing: light jacket, comfortable long pants, rain gear.
Summer (June–August): Average 23.0–28.4°C, hot and humid, rainfall concentrated in June. Common activities: swimming, outdoor activities (sun protection needed). Recommended clothing: light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 18.0–25.5°C, comfortable and pleasant climate, with more rainfall in September. Common activities: maple leaf viewing, hiking. Recommended clothing: light jacket, long-sleeved shirt.
Winter (December–February): Average 4.6–6.8°C, cold and dry, with low rainfall. Common activities: hot spring bathing, indoor activities. Recommended clothing: warm jacket, sweater, scarf, gloves.
Ageo climatological average
Annual average temperature: approx. 16.5°C / Annual rainfall: approx. 1517 mm / Summer humidity: 70%–80% / Rainiest month: June
Ageo monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
4.6°C
32.5
February
5.6°C
59.1
March
10.1°C
135.7
April
15.7°C
155.4
May
18.9°C
159.7
June
23°C
244.5
July
28.1°C
146.7
August
28.4°C
131.9
September
25.5°C
222.3
October
18°C
118.4
November
13°C
82.5
December
6.8°C
28.5
Ageo weather for the next seven days
12/18
Thursday
Sunny
11.8°C/6.9°C
12/19
Friday
Sunny
11.9°C/6°C
12/20
Saturday
Patchy rain nearby
13.2°C/8.8°C
12/21
Sunday
Patchy rain nearby
14.6°C/10.9°C
12/22
Monday
Moderate rain
10.3°C/7.6°C
12/23
Tuesday
Sunny
10.4°C/6.8°C
12/24
Wednesday
Patchy rain nearby
10.1°C/8.3°C
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