Japan · 1991–2020 normal

Hiroshima in
January.

Typical January weather in Hiroshima: 9.9°C by day, 1.3°C at night, 54 mm of rain over 8.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high9.9°C
Typical low1.3°C
Rain54 mm
Wet days8.2

In the year-round weather comparison, January scores 22 out of 100 (October leads the year at 79). Daylight is calculated as 10 h 05 from latitude 34.40°. Open-water sea temperature is 14.5°C (31 km from the place centre).

January at a glance

What is Hiroshima like in January?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Hiroshima hot in January?

Days are typically cold at 9.9°C, while nights average 1.3°C.

Does it rain much?

The measured monthly average is 54 mm across about 8 wet days.

How much daylight is there?

There are about 10 h 05 between sunrise and sunset at mid-month, calculated from the place latitude.

Is January a good time to visit?

January ranks 11 of 12 in our weather comparison; October ranks first.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 1862415
NOAA station
JA000047765 · HIROSHIMA
Station distance
1.6 km from the place centre
Coverage
Good coverage · 20 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
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The weather comparison for Hiroshima is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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