Hiroshima Weather in July
July in Hiroshima brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 23°C (73°F). Rainfall is on the higher side this month, averaging around 207 mm (8.1 in), so keep a rain jacket handy.
Rainfall in Hiroshima in July
Typically around 17 days of rainfall are expected, averaging 207 mm (8.1 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Hiroshima in July
Daytime highs in Hiroshima in July reach 31°C (88°F), with nights around 23°C (73°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Hiroshima in July
With about 177 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.
Wind Speed in Hiroshima in July
Wind speeds average 1 m/s (2 knots) during July. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.July in Hiroshima has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hiroshima's climate page.
Hiroshima Temperature in July
Min Temperature
23°C (73°F)
Max Temperature
31°C (88°F)
Chance of Rain
55%
Precipitation
207 mm (8.1 in)
Rainy days
17 days
Humidity
73%
Windspeed
1 m/s (2 knots)
Sunshine
177 hours
Percentage Sunshine
41%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hiroshima typically rise from around 27°C (81°F) at the start of July to approximately 31°C (88°F) by the end. Nights are warm, with lows typically ranging from 21°C (70°F) to 25°C (77°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Hiroshima in July
Browse day-by-day weather records for Hiroshima spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hiroshima historical weather extremes in July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Hiroshima.
- The warmest day in July was on July 24, 2018, with a maximum of 36°C (97°F).
- The lowest daytime temperature in July was 21°C (70°F), recorded on July 5, 1995.
- Nighttime temperatures dropped to 16°C (61°F) on July 15, 2003, marking the coldest July night on record.
Best Places in Japan in July
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in July →
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What to Wear in Hiroshima in July
Warm but pleasant conditions in Hiroshima in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Hiroshima in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Hiroshima's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Hiroshima climate overview or explore weather in Japan.
