World Resorts Japan Hiroshima Weather

Hiroshima 7 Days Forecast

17.05
sun
Day
79°F
N 1 mph
Precip.
0%
Night
59°F
S 4 mph
Precip.
0%
18.05
mon
Day
77°F
N 4 mph
Precip.
0%
Night
59°F
SE 2 mph
Precip.
0%
19.05
tue
Day
75°F
N 5 mph
Precip.
0%
Night
63°F
S 3 mph
Precip.
0%
20.05
wed
Day
77°F
NW 5 mph
Precip.
0%
Night
64°F
S 2 mph
Precip.
100%
21.05
thu
Day
64°F
W 2 mph
Precip.
100%
Night
63°F
S 5 mph
Precip.
100%
22.05
fri
Day
73°F
SW 6 mph
Precip.
0%
Night
57°F
S 6 mph
Precip.
0%
23.05
sat
Day
70°F
N 2 mph
Precip.
0%
Night
61°F
S 6 mph
Precip.
100%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 62.2°F. The highest and lowest sea temperatures during the month were 68.5°F and 57.9°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

Current weather
20:45
Hiroshima
+61°F
S 2 mph
Feels like: +61°F
Precip.: 0%
Places in Japan:
Name
°F
Atami
+61°F
Yokohama
+68°F
Kamakura
+68°F
Kyoto
+61°F
Kobe
+66°F
Nagasaki
+66°F
Nagoya
+72°F
Nara
+66°F
Okinawa
+70°F
Osaka
+72°F
Sapporo
+50°F
Tokyo
+73°F
Fukuoka
+66°F
Hakone
+63°F
Hiroshima
+61°F
all places
24 Hours Forecast
Hiroshima
Local time: 20:45
May 17, sunday
2100
61°F
S
2 mph
May 18, monday
0000
59°F
S
4 mph
0300
57°F
S
2 mph
0600
57°F
S
2 mph
0900
72°F
N
2 mph
1200
77°F
N
4 mph
1500
77°F
N
6 mph
1800
68°F
N
2 mph
Units of measurement: °C / °F