Measurements:
°C
°F
CURRENT WEATHER
11:16
Hiroshima
80°F
NW 1 mph
Feels like: 82°F
Precip: 2%
World Resorts Japan Hiroshima Weather

7 Day Weather Forecast

06.10
wed
DAY
80°F
NW 1 mph
precip
2%
NIGHT
60°F
S 5 mph
precip
6%
06.11
thu
DAY
78°F
N 5 mph
precip
2%
NIGHT
60°F
E 2 mph
precip
10%
06.12
fri
DAY
78°F
N 6 mph
precip
11%
NIGHT
62°F
S 2 mph
precip
9%
06.13
sat
DAY
80°F
N 4 mph
precip
2%
NIGHT
62°F
S 2 mph
precip
10%
06.14
sun
DAY
78°F
N 4 mph
precip
4%
NIGHT
62°F
SW 2 mph
precip
10%
06.15
mon
DAY
78°F
NW 11 mph
precip
13%
NIGHT
66°F
SW 4 mph
precip
15%
06.16
tue
DAY
80°F
N 5 mph
precip
7%
NIGHT
64°F
SE 1 mph
precip
15%

Hiroshima Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Hiroshima was 21.4°F. The maximum and minimum values were 16.8°F and 26.4°F respectively.

Hiroshima on the Weather Map

Best Time to Visit Hiroshima
The most sunny months:
May 16 days
October 15 days
April 14 days
The most warm months:
August 92.6 °F
July 89.7 °F
September 85.7 °F
Warmest sea temperature:
August 84.7 °F
September 81.5 °F
July 80.7 °F
The most cold months:
January 45.8 °F
February 47.6 °F
December 49.7 °F
The most rainy months:
June 10 days
July 9 days
August 8 days
The most windy months:
December 6 mph
January 6 mph
February 6 mph
more details