Hiroshima Weather in October
Thinking of visiting Hiroshima in October? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 14°C (57°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Hiroshima in October
You can typically expect 12 days of rain this month, averaging around 108 mm (4.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Hiroshima in October
October in Hiroshima brings typical temperatures with highs around 23°C (73°F) and lows of 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Hiroshima in October
The area experiences a moderate amount of sunshine, with approximately 181 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Hiroshima in October
Average wind speeds reach 3 m/s (6 knots) in October, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.If your ideal day consists of dry skies and pleasant temperatures, April, May, September, October and November typically offer the best circumstances for Hiroshima.
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 October
Min Temperature
14°C (57°F)
Max Temperature
23°C (73°F)
Chance of Rain
41%
Precipitation
108 mm (4.3 in)
Rainy days
12 days
Humidity
66%
Windspeed
3 m/s (6 knots)
Sunshine
181 hours
Percentage Sunshine
51%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hiroshima typically drop from around 24°C (75°F) at the start of October to approximately 19°C (66°F) by the end. Nights are pleasant, with lows typically ranging from 11°C (52°F) to 18°C (64°F).
Average temperatures in October
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 October
Historical weather for Hiroshima in October
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 October
Based on weather observations in Hiroshima between 1976 and 2025, these are the recorded extremes during October.
- On October 7, 2013, temperatures climbed to 30°C (86°F), marking the warmest October day on record.
- The coldest October day was on October 31, 1997, with a maximum of 12°C (54°F).
- Hiroshima registered its coldest October night on October 31, 1986, with temperatures dropping to 4°C (39°F).
Best Places in Japan in October
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hiroshima in October
For Hiroshima in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Hiroshima in October
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.
