2026 Climate Averages

Weather: Hiroshima — May

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

👍 Climate Overview

May is a good time to visit Hiroshima. Warm weather with highs of 25°C—great for outdoor activities. Rain is common, so pack an umbrella. Being off-peak, you'll find better deals and fewer crowds.

8.7
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

25°C

Avg Low

16°C

Rainy days

10days

Daylight

13.9h

Rainfall

163mm

Sunshine

9h/day

Humidity

70%

Humid
Sun Strength

7.8

Very High
Wind

13 km/h (gusts 37)

Is May a good time to visit Hiroshima?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
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Local time

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Shoulder Rates

Daylight

Sunrise

05:09

Sunset

19:06

13.9h daylight

Visiting Hiroshima in May: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Things to Do in May

Events & Festivals

🎉
Hiroshima Flower Festival (Ffesta)
May 3–5 Festival

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🥾 Hiking & nature trails
🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Hiroshima Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 11°C 3°C 8d (57mm) 7.3h
72% Humid
3.5 Moderate
Good
Feb 11°C 3°C 10d (74mm) 7.9h
70% Humid
4.7 Moderate
Good
Mar 17°C 7°C 13d (126mm) 8.2h
69% Humid
6.1 High
Excellent
Apr 21°C 11°C 10d (133mm) 8.9h
66% Humid
7.6 Very High
Excellent
May Current 25°C 16°C 10d (163mm) 9h
70% Humid
7.8 Very High
Good
Jun 28°C 21°C 15d (230mm) 8.5h
77% Humid
7.3 Very High
Wet
Jul 32°C 25°C 16d (275mm) 9.5h
80% Very Muggy
7.3 Very High
Wet
Aug 34°C 26°C 15d (263mm) 10.1h
77% Muggy
7.3 Very High
Wet
Sep 31°C 23°C 13d (173mm) 8.5h
77% Muggy
5.8 High
Wet
Oct 24°C 15°C 8d (72mm) 8.2h
73% Humid
5.2 High
Excellent
Nov 19°C 9°C 6d (79mm) 8h
74% Humid
4 Moderate
Excellent
Dec 12°C 4°C 8d (48mm) 7.3h
72% Humid
3.2 Moderate
Good

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Your Best MonthJunScore: 9

Where to Stay

See hotels, apartments & rentals around Hiroshima – live prices from Booking.com, Expedia, Vrbo and more

Hiroshima

Peace Memorial with Peace Memorial Park and Miyajima Island & Itsukushima Shrine, floating shrine at Miyajima, and okonomiyaki cuisine.

View Full Destination Guide

What to Pack for May

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. A waterproof jacket and shoes are non-negotiable — showers are frequent. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Moderate Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Hiroshima?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is May a good time to visit Hiroshima?
May is typically good for visiting Hiroshima, with average highs of 25°C and around 10 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Hiroshima in May?
Evenings in Hiroshima during May are mild at 16°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Hiroshima in May?
With highs of 25°C and lows of 16°C in May, we recommend: Compact umbrella, Waterproof jacket/shell, Lightweight breathable clothes, Sunscreen SPF 30+. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Hiroshima in May?
Hiroshima typically sees around 10 rainy days in May. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Hiroshima in May?
In May, Hiroshima gets approximately 13.9 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is May peak season in Hiroshima?
No, May is not peak season in Hiroshima. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Tokyo)

Last Updated: February 2026