Iwakuni Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Iwakuni

Iwakuni temperature today is 20°, feels like 21°, with a humidity level of 76% and wind at 4.39 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Iwakuni: expect a high of 21° and a low of 13°, with clear sky. Rain chance tomorrow is 100%.

clear sky
20°
clear sky
H: 20° L: 20°
Feels like 21°
AQI: Fair (2/5)
Humidity
76%
Dew 16°
Wind speed
4.39 km/h
NNW · G4.39
Pressure
1018 hPa
Visibility
10 km
Weather Summary
Currently in Iwakuni, expect varied conditions with mild temperatures around 20°. Winds are calm winds.
Precipitation Probability
0%
00
0%
03
0%
06
0%
09
0%
12
20%
15
100%
18
100%
21
100%
00
80%
03
0%
06
0%
09
0%
12
0%
15
0%
18
0%
21
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
20°
Tue
00:00
20°
 
18°
 
22°
 
23°
Tue
12:00
24°
 
22°
 
21°
 
20°
Wed
00:00
19°
 
17°
 
18°
 
21°
Wed
12:00
20°
 
15°
 
13°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:13
Sunset
Sunset
17:42
Moon Phase
New Moon (6%)
Timezone: GMT+05:30
Last updated: Oct 12, 2026 6:43 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
34.150002
Longitude
Longitude
132.183334
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More about Iwakuni
Content curated by the NearWeather editorial team · Updated periodically

Iwakuni, Japan: Climate and Weather Year Round

Iwakuni is a beautiful city located in the Yamaguchi Prefecture, Japan. It is known for its historical landmarks, scenic landscapes, and vibrant culture. To fully appreciate and plan your visit to Iwakuni, it is important to understand the climate and weather conditions that prevail throughout the year. In this article, we will delve into the various aspects of Iwakuni's climate, including temperature, precipitation, and seasonal variations.

Temperature

Iwakuni experiences a temperate climate with distinct seasonal variations. The average annual temperature in Iwakuni is around 16.5 degrees Celsius (61.7 degrees Fahrenheit). The warmest month is August, with an average high temperature of around 31 degrees Celsius (87.8 degrees Fahrenheit). On the other hand, the coldest month is January, with an average low temperature of around 2 degrees Celsius (35.6 degrees Fahrenheit).

The table below provides a monthly breakdown of the average temperature in Iwakuni:

Month Average High (°C) Average Low (°C)
January 8 2
February 9 2
March 14 5
April 20 10
May 24 15
June 28 20
July 31 23
August 31 23
September 27 19
October 22 13
November 17 7
December 11 3

Precipitation

Iwakuni experiences a significant amount of rainfall throughout the year. The city receives an average annual precipitation of approximately 1,600 millimeters (63 inches). The rainiest months are June and July, with an average rainfall of around 300 millimeters (12 inches) each. On the other hand, the driest months are January and February, with an average rainfall of around 50 millimeters (2 inches) each.

The table below provides a monthly breakdown of the average precipitation in Iwakuni:

Month Average Rainfall (mm)
January 50
February 50
March 80
April 140
May 170
June 300
July 300
August 220
September 160
October 80
November 80
December 70

Seasonal Variations

Iwakuni experiences four distinct seasons, each with its own unique characteristics.

Spring (March to May): Spring in Iwakuni is mild and pleasant, with temperatures gradually rising. The cherry blossoms bloom during this time, creating a stunning spectacle of pink and white flowers.

Summer (June to August): Summers in Iwakuni are hot and humid, with temperatures often reaching above 30 degrees Celsius (86 degrees Fahrenheit). It is advisable to wear light and breathable clothing during this season.

Fall (September to November): Autumn in Iwakuni is characterized by mild temperatures and beautiful foliage. The city's parks and gardens transform into a vibrant display of red, orange, and yellow hues.

Winter (December to February): Winters in Iwakuni are cold but not excessively harsh. Snowfall is relatively rare, but the city's surrounding mountains often receive a dusting of snow, creating a picturesque winter landscape.

It is worth noting that Iwakuni can experience typhoons during the summer and early autumn months. These tropical storms can bring heavy rainfall and strong winds. It is advisable to stay updated with local weather forecasts and take necessary precautions during typhoon season.

In conclusion, Iwakuni offers a diverse climate throughout the year, with pleasant springs, hot summers, mild autumns, and relatively mild winters. Whether you prefer blooming cherry blossoms or colorful autumn foliage, Iwakuni has something to offer in every season. Make sure to plan your visit accordingly and enjoy the beauty of this wonderful city.

Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Iwakuni
What is the temperature in Iwakuni right now?

The current temperature in Iwakuni is 20°, and it feels like 21°. Today's high is 20° and the low is 20°.

Will it rain in Iwakuni today?

No rain is expected in Iwakuni today (0% chance). Conditions are currently clear sky.

What is the weather in Iwakuni today?

Iwakuni is experiencing clear sky with a temperature of 20°. Humidity is at 76% and wind speed is 4.39 km/h from the NNW.

What is the humidity in Iwakuni today?

Humidity in Iwakuni is 76% right now, with a dew point of 16°. Comfort levels are moderate.

What is the wind speed in Iwakuni today?

Wind speed in Iwakuni is 4.39 km/h, flowing at 341° NNW wind direction. Gusts up to 4.39 km/h.

What is the 5-day forecast for Iwakuni?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Iwakuni. Today's high is 20° and low is 20°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Iwakuni today?

It feels like 21° in Iwakuni today, with 2% cloud cover and 10 km visibility.

Weather in Iwakuni