Weather in Hiroshima in December
December in Hiroshima is cold with average temperatures around 4.5°C (40.1°F). Moderate rainfall of 84mm spread over 12 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
8.6°C
47.5°F
Low
0.4°C
32.7°F
Precipitation
84 mm
3.3 inches
~12 rainy days
Conditions
Humidity
85%
Comparison to Adjacent Months
December is 5.6°C cooler than November.
December is 2.2°C warmer than January, 21mm wetter than January.