Weather in Hiroshima in January
January in Hiroshima is cold with average temperatures around 2.3°C (36.1°F). Moderate rainfall of 63mm spread over 11 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
6.2°C
43.2°F
Low
-1.5°C
29.3°F
Precipitation
63 mm
2.5 inches
~11 rainy days
Conditions
Humidity
84%
Comparison to Adjacent Months
January is 2.2°C cooler than December, 21mm drier than December.