Measurements:
°C
°F
CURRENT WEATHER
02:13
Hiroshima
56°F
S 3 mph
Feels like: 56°F
Precip: 0%
World Resorts Japan Hiroshima Weather

7 Day Weather Forecast

04.27
mon
DAY
72°F
NE 1 mph
precip
0%
NIGHT
54°F
SW 2 mph
precip
0%
04.28
tue
DAY
72°F
N 8 mph
precip
0%
NIGHT
56°F
E 3 mph
precip
0%
04.29
wed
DAY
64°F
SE 2 mph
precip
0%
NIGHT
48°F
S 6 mph
precip
0%
04.30
thu
DAY
62°F
NW 3 mph
precip
0%
NIGHT
48°F
S 4 mph
precip
0%
05.01
fri
DAY
70°F
E 6 mph
precip
0%
NIGHT
50°F
E 2 mph
precip
0%
05.02
sat
DAY
72°F
N 6 mph
precip
0%
NIGHT
56°F
S 2 mph
precip
0%
05.03
sun
DAY
70°F
N 4 mph
precip
0%
NIGHT
58°F
NE 7 mph
precip
100%

Hiroshima Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Hiroshima was 14.7°F. The maximum and minimum values were 13.4°F and 16.1°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