Measurements:
°C
°F
Hiroshima
52°F
NE 17 mph
Feels like: 46°F
Precip: 65%
World Resorts Japan Hiroshima Weather

7 Day Weather Forecast

01.10
sat
DAY
52°F
NE 17 mph
precip
65%
NIGHT
40°F
E 19 mph
precip
100%
01.11
sun
DAY
36°F
E 19 mph
precip
100%
NIGHT
28°F
SE 13 mph
precip
60%
01.12
mon
DAY
36°F
NE 4 mph
precip
0%
NIGHT
32°F
NE 8 mph
precip
0%
01.13
tue
DAY
48°F
E 20 mph
precip
74%
NIGHT
32°F
E 14 mph
precip
0%
01.14
wed
DAY
40°F
E 17 mph
precip
0%
NIGHT
32°F
E 6 mph
precip
0%
01.15
thu
DAY
46°F
NE 3 mph
precip
0%
NIGHT
36°F
E 2 mph
precip
0%
01.16
fri
DAY
52°F
E 17 mph
precip
67%
NIGHT
40°F
SE 7 mph
precip
81%

Hiroshima Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Hiroshima was 13.4°F. The maximum and minimum values were 11.1°F and 14.8°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 45.9 °F
February 47.4 °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