Hiroshima in October:
warm, occasional rain

Hiroshima, Japan · Records from 2006 to 2025. Not a forecast.

Mean high24°Hottest day 31° (2024)
Mean low15°Coldest night 4.7° (2025)
Rain days7 days2-14 by year
Rainfall104mmDaylight 11.9 → 10.8 h
Hiroshima's 12 months iBest: May and October
Trip types Sightseeing on foot Goodmild
Humidity72%2 muggy days
Clear days8 days8 overcast days
Mean wind8 km/hRarely windy
Sunrise / sunset (15th)06:15 / 17:37Daylight 11.9 → 10.8 h

Hiroshima in October

One of the drier months of the year, with plenty of clear, fresh days that suit a full day on foot. Miyajima's leaves are still early; November is the real show.

Daytime highs averaged 24°C, with nights at 15°C. Comfortably warm without being punishing. Out of 31 days, about 7 brought rain; the rest stayed dry. Year to year it swung widely, from 2 rain days in 2015 to 14 in 2017.

Rain days averaged 16 mm each, so when it rained it rained properly.

Typhoons i

3 of the last 20 years had a tropical storm pass within 300 km this month.

  • Vongfong (2014), 158 km away tropical storm
  • Danas (2013), 160 km away tropical storm
  • Chaba (2016), 222 km away tropical storm
1 2 3 4 15 16 67 118 119 310 11 12

Date by date i

Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
1-3rain on 20% of days27° 18°
4-10rain on 25% of days25° 17°
11-17rain on 17% of days24° 15°
18-24rain on 22% of days23° 14°
25-31rain on 19% of days21° 12°

0-5/206-8/209-11/2012-20/20

1-3rain on 20% of days27° 18°
4-10rain on 25% of days25° 17°
11-17rain on 17% of days24° 15°
18-24rain on 22% of days23° 14°
25-31rain on 19% of days21° 12°
Tap another date to change

2006none
20077mm
2008none
20096mm
201026mm
2011none
2012none
20135mm
2014none
2015none
201631mm
2017none
2018none
2019none
202013mm
2021none
2022none
20232mm
202413mm
2025none
Holidays in October (2026)
  • October 12 Sports Day
  • October 12 Columbus Day

1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)

Day by day temperature i

10°17°25°32° 1815222931

Mean high Mean low Coldest to warmest high in 20 years

Your trip dates, the past 20 years

Trip dates ~

You can also click two dates on the axis. Hover a cell to see that day's rain.
Trip rain days Month rain days
2006
1 d 4 d
2007
4 d 6 d
2008
1 d 3 d
2009
3 d 7 d
2010
2 d 6 d
2011
1 d 5 d
2012
0 d 5 d
2013
2 d 9 d
2014
2 d 9 d
2015
0 d 2 d
2016
3 d 10 d
2017
2 d 14 d
2018
4 d 8 d
2019
0 d 6 d
2020
1 d 4 d
2021
0 d 5 d
2022
3 d 4 d
2023
1 d 3 d
2024
4 d 13 d
2025
1 d 6 d
Years with rain
Tap a date to start, tap another to end. Each cell is that date in one year.
'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25
of 20
3
5
4
4
7
5
5
8
4
2
2
3
3
2
3
6
5
2
4
2
4
8
8
3
7
5
5
4
1
1
4
Rain days on trip
14132102203240103141

No rain1-9 mm10 mm or more Dates outside your trip are dimmed.

One row per year, one cell per day. 2015 had 2 rain days, 2017 had 14.

Hiroshima through the year

MonthHighLowRain daysRainfall
January 10°2°5 days46mm
February 11°2°7 days70mm
March 15°5°9 days127mm
April 20°10°9 days149mm
MayGood 24°15°8 days168mm
June 27°20°11 days229mm
July 31°24°11 days293mm
August 33°25°8 days177mm
September 30°22°9 days149mm
OctoberGood 24°15°7 days104mm
November 18°9°6 days73mm
December 12°4°7 days57mm

Common questions

Does it rain a lot in Hiroshima in October?

Over the past 20 years October averaged 7 rain days (1 mm or more) out of 31. Individual years ran from 2 in the driest to 14 in the wettest.

What should I wear in Hiroshima in October?

Days averaged 24°C and nights 15°C. Pack a compact umbrella, a light layer for the evenings, and T-shirts.

Is October a good time to visit Hiroshima?

On warmth and rain days alone, Hiroshima's easiest months were May and October. October ranked first of 12.

How many clear days does Hiroshima get in October?

About 8 clear days (under 30% cloud on average) and 8 overcast days (80% or more).