Iwaki weather
At 10:00 AM local time it was clear and 17°C (62°F). Little to no rain in the next 24 hours. Best months for weather: May–Jun, Aug–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Iwaki, Fukushima, Japan.
Current conditions
- Clouds
- 14%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–Jun, Aug–SepOff season Dec–Mar
About Iwaki weather
Is it raining in Iwaki right now?
No. It’s clear and 17° right now. Little to no rain in the next 24 hours.
What’s the weather like in Iwaki this week?
Over the next 7 days, expect highs of 15–22° and lows of 7–12°. Rain is likely on 2 of 7 days (Monday, Thursday). The driest day looks like Saturday.
Has it been raining in Iwaki lately?
In the past 7 days, Iwaki had 3 rainy days and 27.2 mm of rain in total.
What should I pack for Iwaki?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Iwaki weather by month
When is the best time to visit Iwaki?
Based on weather alone, the best time to visit Iwaki is May–Jun, Aug–Sep, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 4°C (38°F) in January to 28°C (83°F) in August.
What is the rainiest month in Iwaki?
July is the wettest month, with about 192 mm (7.6 in) of rain on average. February is the driest, with about 49 mm (1.9 in).
What is the hottest month in Iwaki?
August is the warmest, with average highs of 28°C (83°F) and lows of 20°C (67°F). January is the coolest, with highs of 4°C (38°F) and lows of -4°C (25°F).
Does Iwaki have a rainy season?
Yes. Jul, Sep–Oct is the rainy season (150 mm or more a month), while Feb is usually dry (under 60 mm).
How warm is the sea in Iwaki?
The sea is warmest in August at about 27°C (80°F) and coolest in March at about 14°C (58°F). It is comfortable for swimming (22°C or more) in Jul–Oct.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months