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Iwaki

Iwaki 1
Travel Info
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Travel Info

Reviews of Iwaki activities

Iwaki Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Iwaki year round climate

  • Spring (March–May): 8.6–17.1°C on average, mild climate but with relatively high rainfall, especially in April and May. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, comfortable long-sleeved clothing.
  • Summer (June–August): 21.0–26.6°C on average, hot and humid, but with relatively low rainfall. Common activities: Swimming at the beach, outdoor activities. Recommended clothing: Light and breathable short-sleeved clothing, shorts, sun hat.
  • Autumn (September–November): 17.9–24.3°C on average, pleasant climate, but September has the most rainfall. Common activities: Autumn leaves viewing, outdoor excursions. Recommended clothing: Comfortable long-sleeved clothing, light jacket.
  • Winter (December–February): 4.5–6.8°C on average, cold and dry, with low rainfall. Common activities: Hot spring bathing, indoor activities. Recommended clothing: Warm jacket, sweater, scarf, gloves.

Iwaki climatological average

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1431 mm / Summer humidity: 70%–80% / Rainiest month: September

Iwaki monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
4.5°C
52
February
5.1°C
45.5
March
8.6°C
142.3
April
13.8°C
123
May
17.1°C
172.1
June
21°C
155.8
July
25.6°C
114.5
August
26.6°C
101.8
September
24.3°C
265.5
October
17.9°C
120.4
November
12.9°C
106.3
December
6.8°C
32.5

Iwaki weather for the next seven days

9/22
Tuesday
Patchy rain nearby
24.7°C/20.6°C
9/23
Wednesday
Overcast
21.3°C/19.4°C
9/24
Thursday
Patchy rain nearby
23°C/19.5°C
9/25
Friday
Overcast
21.1°C/18.3°C
9/26
Saturday
Light rain shower
21.1°C/17.1°C
9/27
Sunday
Light rain shower
20.2°C/18.5°C
9/28
Monday
Light rain shower
20.5°C/19.1°C