Hiroshima in January: weather, what to wear and what's on

Hiroshima weather in January

Averages for 1991–2020 at the JMA's Hiroshima station (4 m above sea level).

High

9.9°C (50°F)

Low

2.0°C (36°F)

Precipitation

46.2 mm

Wet days

5.5 days

Sunshine

139 hours

Snow on ground

1.1 days

Highs are 2.2°C below December and 1.0°C below February.

That is 11.2°C below Hiroshima's yearly average high of 21.1°C.

Of our 14 places with temperature records, Hiroshima is the 3rd warmest in January: 0.3°C cooler than Fukuoka and 0.1°C warmer than Tokyo.

Of our 15 places, Hiroshima gets the least precipitation in January: 0.8 mm less than Osaka.

Rain or snow of 1 mm or more falls on 5.5 days, and 10 mm or more on 1.9 days.

The temperature drops below 0°C on 5.6 nights.

3 cm of snow falls in an average January; snow lies on the ground on 1.1 days.

The sun is out for 40% or more of the possible hours on 18.0 days, and 3.0 days have under 0.1 hours of sunshine.

By the JMA's cloud records, 1.1 days are clear and 8.0 are overcast.

On 15 January 2027 the sun rises at 7:16 and sets at 17:23 in Hiroshima, giving 10 hours 7 minutes of daylight (NAOJ).

Average temperature

5.4°C (42°F)

Humidity

66%

Deepest snow (average of each year's deepest)

3 cm

Early, mid and late January

By the last ten days of January the average high in Hiroshima is 0.8°C lower than in the first ten.

By ten-day totals, 21–31 January is the wettest (17.7 mm) and 1–10 January the driest (11.8 mm).

What to wear in Hiroshima in January

Cold: highs around 9.9°C

• A winter coat over layers, and a scarf.
• Gloves and a hat for mornings and nights: the temperature drops below 0°C on 5.6 nights.
• A folding umbrella: rain or snow falls on 5.5 days.

Shoes

• Shoes with good grip: snow or sleet falls on 12.0 days.

Pack

• Folding umbrella
• Gloves and a warm hat
• Scarf

• Our clothing rules

January records in Hiroshima

The extremes the JMA has measured in January at its Hiroshima station.

Hottest January day

18.8°C (66°F) on 30 January 1949 (records since 1879)

Coldest January night

−8.5°C (17°F) on 16 January 1963 (records since 1879)

Wettest January day

58.1 mm on 18 January 1950 (records since 1879)

Deepest January snow

31 cm on 5 January 1893 (records since 1883)

Most snow in one January day

26 cm on 31 January 1984 (records since 1953)

Holidays and crowds in January

National holidays in January 2027:

• Fri 1 January — New Year's Day
• Mon 11 January — Coming of Age Day

• Fri 1 January to Sun 3 January: 3 days off in a row
• Sat 9 January to Mon 11 January: 3 days off in a row

In January 2025, hotels and inns across Hiroshima Prefecture were 51.9% full on average (the quietest month of the year). Foreign guests spent 93,460 nights there that month (Japan Tourism Agency). That compares with 60.6% in December and 58.5% in February.

• Japan in January: visitor numbers and busy travel days
• Holidays in January
• Year-end and New Year holidays

What's on in Hiroshima in January

Hiroshima before and after January

• Hiroshima in December
• Hiroshima in February
• All 12 months in Hiroshima

Other places in January

• All 15 places in January

Related items

• Hiroshima by month
• Japan in January
• Hiroshima in December
• Hiroshima in February