World Resorts Japan Hiroshima Weather

Hiroshima 7 Days Forecast

08.08
sat
Day
90°F
NW 6 mph
Precip.
2%
Night
75°F
S 2 mph
Precip.
7%
09.08
sun
Day
88°F
NW 5 mph
Precip.
4%
Night
73°F
SW 2 mph
Precip.
12%
10.08
mon
Day
86°F
N 2 mph
Precip.
22%
Night
72°F
SW 4 mph
Precip.
35%
11.08
tue
Day
86°F
SW 2 mph
Precip.
1%
Night
68°F
S 6 mph
Precip.
12%
12.08
wed
Day
86°F
N 3 mph
Precip.
17%
Night
72°F
SE 2 mph
Precip.
10%
13.08
thu
Day
86°F
NW 3 mph
Precip.
18%
Night
70°F
S 3 mph
Precip.
12%
14.08
fri
Day
86°F
N 4 mph
Precip.
11%
Night
72°F
S 2 mph
Precip.
13%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 83.2°F. The highest and lowest sea temperatures during the month were 84.9°F and 80.2°F.

Air temperature in Hiroshima, °F

Precipitation total in Hiroshima, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Hiroshima

Sunniest months:
May 16 days
October 15 days
April 14 days
Warmest months:
August 88.4 °F
July 85.7 °F
September 82.1 °F
Warmest sea temp:
August 81.2 °F
September 78.3 °F
July 77.7 °F
Coldest months:
January 46.3 °F
February 47.8 °F
December 49.7 °F
Rainiest months:
July 9 days
June 9 days
August 8 days
Windiest months:
December 5.9 mph
January 5.9 mph
February 5.6 mph

Hiroshima on a weather map

Current weather
14:40
Hiroshima
+90°F
N 4 mph
Feels like: +95°F
Precip.: 3%
Places in Japan:
Name
°F
Atami
+84°F
Yokohama
+84°F
Kamakura
+84°F
Kyoto
+95°F
Kobe
+90°F
Nagasaki
+90°F
Nagoya
+91°F
Noboribetsu
+73°F
Okinawa
+81°F
Osaka
+91°F
Sapporo
+68°F
Tokyo
+93°F
Fukuoka
+93°F
Hakone
+84°F
Hiroshima
+90°F
all places
24 Hours Forecast
Hiroshima
Local time: 14:40
August 08, saturday
1500
90°F
N
4 mph
1800
84°F
N
2 mph
2100
77°F
S
2 mph
August 09, sunday
0000
75°F
S
2 mph
0300
73°F
S
1 mph
0600
73°F
SW
2 mph
0900
82°F
SW
2 mph
1200
88°F
NW
5 mph
Units of measurement: °C / °F