World Resorts Japan Hiroshima Weather

Hiroshima 7 Days Forecast

07.06
sun
Day
68°F
SW 8 mph
Precip.
97%
Night
64°F
S 4 mph
Precip.
32%
08.06
mon
Day
73°F
NE 3 mph
Precip.
73%
Night
61°F
S 5 mph
Precip.
7%
09.06
tue
Day
75°F
SW 2 mph
Precip.
1%
Night
59°F
S 5 mph
Precip.
5%
10.06
wed
Day
75°F
N 4 mph
Precip.
2%
Night
59°F
E 2 mph
Precip.
6%
11.06
thu
Day
75°F
N 5 mph
Precip.
5%
Night
61°F
SE 1 mph
Precip.
4%
12.06
fri
Day
75°F
N 5 mph
Precip.
1%
Night
61°F
S 4 mph
Precip.
3%
13.06
sat
Day
77°F
N 4 mph
Precip.
1%
Night
61°F
S 2 mph
Precip.
5%

Sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 70.5°F. The highest and lowest sea temperatures during the month were 79.5°F and 62.2°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 85.8 °F
September 82.1 °F
Warmest sea temp:
August 81.2 °F
September 78.3 °F
July 77.6 °F
Coldest months:
January 46.3 °F
February 47.8 °F
December 49.7 °F
Rainiest months:
June 10 days
July 9 days
August 8 days
Windiest months:
December 5.9 mph
January 5.9 mph
February 5.6 mph

Hiroshima on a weather map

Hiroshima
+68°F
SW 8 mph
Feels like: +68°F
Precip.: 97%
Places in Japan:
Name
°F
+66°F
+68°F
+68°F
+64°F
+66°F
+73°F
+66°F
+64°F
+81°F
+66°F
+61°F
+72°F
+70°F
+68°F
+68°F
24 Hours Forecast
Hiroshima
Local time: 10:47
June 07, sunday
1200
68°F
SW
8 mph
1500
66°F
SW
11 mph
1800
68°F
SW
6 mph
2100
66°F
SW
5 mph
June 08, monday
0000
64°F
S
4 mph
0300
64°F
S
3 mph
0600
66°F
SE
0 mph
0900
72°F
N
3 mph
Units of measurement: °C / °F