World Resorts Japan Hiroshima Weather

Summer weather in Hiroshima

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.

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
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

Sunniest months:
May 16 days
October 16 days
April 14 days
Warmest months:
August 88.5 °F
July 85.7 °F
September 82.2 °F
Warmest sea temp:
August 81.1 °F
September 78.1 °F
July 77.3 °F
Coldest months:
January 46.3 °F
February 47.6 °F
December 49.6 °F
Rainiest months:
June 10 days
August 9 days
July 9 days
Windiest months:
December 5.9 mph
January 5.7 mph
February 5.6 mph

Hiroshima on a weather map

Leaflet | Tiles © Esri
Places in Japan:
Name
°F
+48°F
+48°F
+48°F
+48°F
+52°F
+55°F
+52°F
+36°F
+63°F
+54°F
+37°F
+46°F
+52°F
+48°F
+52°F
24 Hours Forecast
Hiroshima
Local time: 19:00
April 03, thursday
2100
46°F
S
11 mph
April 04, friday
0000
45°F
S
6 mph
0300
43°F
S
5 mph
0600
43°F
S
6 mph
0900
48°F
SW
4 mph
1200
52°F
NW
4 mph
1500
52°F
N
4 mph
1800
54°F
N
1 mph
Units of measurement: °C / °F