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Iwata

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Iwata Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Iwata year round climate

  • Spring (March–May): Average 11.9–19.4°C, mild climate but with relatively high rainfall, especially in April and May. Common activities: Sightseeing, flower viewing (if local flowers are in bloom). Recommended clothing: Light jacket, long-sleeved shirt, and rain gear are essential.
  • Summer (June–August): Average 23.0–28.3°C, hot and humid with relatively high rainfall. July is the rainiest month. Common activities: Swimming, and other heat-escaping activities. Recommended clothing: Light and breathable clothing, short sleeves, and sun protection.
  • Autumn (September–November): Average 20.0–15.4°C, comfortable and pleasant climate with gradually decreasing rainfall. Common activities: Autumn scenery viewing, outdoor activities. Recommended clothing: Long-sleeved shirt, light jacket. Note the larger temperature difference between morning and evening.
  • Winter (December–February): Average 8.6–7.9°C, cold and dry with less rainfall. Common activities: Hot spring trips, indoor activities. Recommended clothing: Warm clothing, thick jacket, scarf, hat, etc.

Iwata climatological average

Annual average temperature: approx. 17.7°C / Annual rainfall: approx. 2344 mm / Summer humidity: 70%–80% / Rainiest month: July

Iwata monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
39.1
February
7.9°C
94.9
March
11.9°C
149.3
April
16.7°C
230.4
May
19.4°C
311.4
June
23°C
321.8
July
27.9°C
342.4
August
28.3°C
222.1
September
26.4°C
269.1
October
20°C
185.6
November
15.4°C
137
December
8.6°C
40.9

Iwata weather for the next seven days

5/4
Monday
Moderate rain
20°C/13.2°C
5/5
Tuesday
Partly Cloudy
19°C/11.3°C
5/6
Wednesday
Patchy rain nearby
20°C/15.1°C
5/7
Thursday
Partly Cloudy
26°C/16.2°C
5/8
Friday
Partly Cloudy
24.7°C/16.5°C
5/9
Saturday
Sunny
20.1°C/14.1°C
5/10
Sunday
Sunny
25.2°C/14.8°C