The highest day temperature in January 2024 was 54°F. The lowest night temperature was 26°F. The average values for day and night temperatures during January were 46.2°F и 36.0°F respectivly.

The average sea surface temperature in January 2024 for Hiroshima was 57.8°F. The maximum and minimum values were 54.8°F and 59.8°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Hiroshima is 2.2 in. It makes january the least rainy month of the year.

The average wind speed in January is 5.7 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hiroshima in January is 5.9 hours.