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Isesaki

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Isesaki Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Isesaki year round climate

  • Spring (March–May): Average 49–66°F, mild climate, but relatively high rainfall, especially in April and May. Common activities: Picnics, flower viewing. Suggested clothing: Light jacket, comfortable long pants or skirt.
  • Summer (June–August): Average 73–83°F, hot and humid, abundant rainfall. Common activities: Swimming, outdoor summer activities. Suggested clothing: Breathable and lightweight clothing, sun hat.
  • Autumn (September–November): Average 64–78°F, pleasant climate, but September has relatively high rainfall. Common activities: Maple leaf viewing, hiking in the suburbs. Suggested clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 39–44°F, cold and dry, low rainfall. Common activities: Indoor activities, hot spring trips. Suggested clothing: Warm coat, scarf, gloves.

Isesaki climatological average

Annual average temperature: approx. 61.7°F / Annual rainfall: approx. 1175 mm / Summer humidity: 70%–80% / Rainiest month: September

Isesaki monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
39.9°F
11.5
February
41.7°F
33
March
49.8°F
76.7
April
60.1°F
76
May
66.2°F
126.3
June
73.9°F
187.7
July
82.8°F
160.7
August
83.5°F
148.7
September
78.1°F
202.7
October
64.4°F
94.3
November
55°F
49
December
44.2°F
9.2

Isesaki weather for the next seven days

3/3
Tuesday
Moderate rain
47°F/36.8°F
3/4
Wednesday
Heavy rain
51°F/36.3°F
3/5
Thursday
Sunny
52°F/37.8°F
3/6
Friday
Patchy rain nearby
52.1°F/35.7°F
3/7
Saturday
Moderate rain
55.8°F/41.7°F
3/8
Sunday
Sunny
51.7°F/39.4°F
3/9
Monday
Sunny
53.4°F/34.6°F