Weather in Hiroshima in Summer
June | July | August | ||||
Average day temperature: | 78.2°F | 85.7°F | 88.5°F | |||
Average night temperature: | 64.0°F | 71.2°F | 73.2°F | |||
Sea water temperature: | 69.6°F | 77.3°F | 81.0°F | |||
Number of sunny days: | 11 days | 10 days | 13 days | |||
Day length: | 14.3 - 14.5 h. | 13.9 - 14.4 h. | 12.0 - 13.9 h. | |||
Number of rainy days: | 10 days | 9 days | 9 days | |||
Precipitation totals: | 7.6 in. | 9.7 in. | 8.2 in. |
current
weather
weather
Hiroshima |
monthly
weather
weather
Hiroshima |
sea water
temperature
temperature
Hiroshima |
14 days
forecast
forecast
Hiroshima |
Day & Night air temperature, °F
June
July
August
0
15
30
45
60
75
90
105
88.1
85.0
77.4
74.6
72.5
65.1
Day temperature | Night temperature |
Sea water temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
81
77.3
69.6
Precipitation total, in.
June
July
August
0.0
2.0
4.1
6.1
8.1
10.2
12.2
14.3
9.3
11.9
7.4
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
8
12
11
10
10
8
13
9
11
Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
Hiroshima |
weather in
spring
spring
Hiroshima |
weather in
summer
summer
Hiroshima |
weather in
autumn
autumn
Hiroshima |
Wind speed, mph
June
July
August
0.0
0.8
1.6
2.4
3.2
4.0
4.9
5.7
4.7
4.1
4.1
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
6.8
7
7.1
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Hiroshima
Hiroshima on a weather map
Leaflet | Tiles © Esri
Places in Japan:
Name
°F
24 Hours Forecast
Hiroshima
Local time: 19:00
April 03, thursday
2100

46°F
S
11 mph
11 mph
April 04, friday
0000

45°F
S
6 mph
6 mph
0300

43°F
S
5 mph
5 mph
0600

43°F
S
6 mph
6 mph
0900

48°F
SW
4 mph
4 mph
1200

52°F
NW
4 mph
4 mph
1500

52°F
N
4 mph
4 mph
1800

54°F
N
1 mph
1 mph