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Weather in Iwakuni for May 2026

Your guide to Iwakuni weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Iwakuni at the beginning of May is 18.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.6 °C by the end of May.

    • Rain 🌧️

  • Iwakuni in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 244.1 mm.

    • More

  • Is May a good time to visit Iwakuni? check out the best time to travel to Iwakuni page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/13°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Iwakuni Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain shower
18°
2
Overcast
17°
3
Overcast
19°
4
Sunny
19°
5
Partly cloudy
19°
6
Heavy rain
16°
7
Patchy rain possible
20°
8
Patchy rain possible
17°
9
Sunny
16°
10
Sunny
20°
11
Partly cloudy
19°
12
Light rain shower
18°
13
Overcast
20°
14
Sunny
20°
15
Overcast
21°
16
Patchy rain possible
20°
17
Sunny
22°
18
Sunny
22°
19
Partly cloudy
20°
20
Sunny
23°
21
Sunny
23°
22
Overcast
23°
23
Patchy rain possible
20°
24
Overcast
20°
25
Sunny
20°
26
Patchy rain possible
19°
27
Light rain shower
20°
28
Moderate rain
20°
29
Sunny
19°
30
Overcast
19°
31
Light drizzle
20°

Temperatures trend during May in Iwakuni

See the weather trend as well as the moving average line

May weather in Iwakuni day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Light rain shower
Light rain shower
 18° /10° 7.2 mm 4
2 May Overcast
Overcast
 17° /8° 14.4 mm 4
3 May Overcast
Overcast
 19° /9° 0.1 mm 5
4 May Sunny
Sunny
 19° /11° 0.2 mm 6
5 May Partly cloudy
Partly cloudy
 19° /10° 0 mm 5
6 May Heavy rain
Heavy rain
 16° /13° 34.7 mm 4
7 May Patchy rain possible
Patchy rain possible
 20° /12° 0.1 mm 5
8 May Patchy rain possible
Patchy rain possible
 17° /9° 0.3 mm 5
9 May Sunny
Sunny
 16° /9° 19.9 mm 4
10 May Sunny
Sunny
 20° /12° 2.6 mm 5
11 May Partly cloudy
Partly cloudy
 19° /12° 0 mm 5
12 May Light rain shower
Light rain shower
 18° /13° 37.6 mm 5
13 May Overcast
Overcast
 20° /10° 4.6 mm 5
14 May Sunny
Sunny
 20° /11° 0 mm 6
15 May Overcast
Overcast
 21° /12° 0.2 mm 5
16 May Patchy rain possible
Patchy rain possible
 20° /13° 3.9 mm 5
17 May Sunny
Sunny
 22° /14° 16.8 mm 6
18 May Sunny
Sunny
 22° /14° 0 mm 6
19 May Partly cloudy
Partly cloudy
 20° /13° 0 mm 6
20 May Sunny
Sunny
 23° /14° 0 mm 6
21 May Sunny
Sunny
 23° /17° 17.2 mm 6
22 May Overcast
Overcast
 23° /15° 15.2 mm 5
23 May Patchy rain possible
Patchy rain possible
 20° /14° 0 mm 5
24 May Overcast
Overcast
 20° /14° 27.6 mm 5
25 May Sunny
Sunny
 20° /13° 0.1 mm 5
26 May Patchy rain possible
Patchy rain possible
 19° /13° 1.3 mm 5
27 May Light rain shower
Light rain shower
 20° /14° 6.6 mm 5
28 May Moderate rain
Moderate rain
 20° /13° 24.3 mm 5
29 May Sunny
Sunny
 19° /13° 4.8 mm 5
30 May Overcast
Overcast
 19° /13° 3.6 mm 5
31 May Light drizzle
Light drizzle
 20° /13° 0.4 mm 5
Next
Important Notice
Our weather forecast for Iwakuni in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Iwakuni forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Iwakuni weather in May vs April vs June

Compare May weather in Iwakuni with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AprilMayJune
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures17°/10°19°/13°23°/18°
Rainfall120 mm244 mm298 mm
Wind12.7 km/h13.8 km/h11.4 km/h
Humidity75%74%84%
Rainy days20 days17 days21 days
Dry days10 days14 days9 days

Planning a trip to Iwakuni? Discover the best time to visit

Iwakuni in May - FAQ

What are the expected maximum and minimum temperatures in Iwakuni during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Iwakuni during May?
Significant rainfall exceeding 244.1 mm is expected in Iwakuni during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Iwakuni during May?
The average wind speed in Iwakuni during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Iwakuni in May?

As you prepare for your trip to Iwakuni in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Iwakuni, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

May rainfall patterns in Iwakuni

Explore the daily rainfall trends and prepare for Iwakunis May weather 💧

UV exposure in Iwakuni during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Iwakuni?

Get accurate weather forecasts for Iwakuni, located at latitude 34.163 and longitude 132.22. Stay updated with localized weather information tailored for Iwakuni.

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