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

Averages for 1991–2020 at the JMA's Yokohama station (39 m above sea level).

High

10.2°C (50°F)

Low

2.7°C (37°F)

Precipitation

64.7 mm

Wet days

5.1 days

Sunshine

193 hours

Snow on ground

1.0 days

• Highs are 2.3°C below December and 0.6°C below February.
• That is 10.0°C below Yokohama's yearly average high of 20.2°C.
• Of our 34 places with temperature records, Yokohama is the 9th warmest in January: level with Fukuoka and 0.3°C warmer than Hiroshima.
• January is Yokohama's 2nd driest month (64.7 mm).
• Of our 35 places, Yokohama has the 17th highest precipitation in January: 3.8 mm less than Kusatsu Onsen and 1.4 mm more than Ise.
• Rain or snow of 1 mm or more falls on 5.1 days, and 10 mm or more on 2.2 days.
• Rain or snow of 30 mm or more in one day falls on 0.6 days.
• The temperature drops below 0°C on 2.0 nights.
• 4 cm of snow falls in an average January; snow lies on the ground on 1.0 days.
• The sun is out for 40% or more of the possible hours on 23.1 days, and 3.3 days have under 0.1 hours of sunshine.
• On 15 January 2027 the sun rises at 6:50 and sets at 16:51 in Yokohama, giving 10 hours 1 minute of daylight (NAOJ).

Average temperature

6.1°C (43°F)

Humidity

53%

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 Yokohama is 0.8°C lower than in the first ten.

By ten-day totals, 21–31 January is the wettest (27.9 mm) and 1–10 January the driest (15.4 mm).

Is Yokohama cold in January?

Yes, it is chilly. Yokohama averages 10.2°C (50°F) by day and 2.7°C (37°F) at night in January. 11–20 January is the coldest stretch of the year, with highs of 9.9°C.

Chilly: highs around 10.2°C

• A warm jacket or light coat over a sweater.
• Gloves and a hat for mornings and nights: the temperature drops below 0°C on 2.0 nights.
• A folding umbrella: rain or snow falls on 5.1 days.

Shoes

• Shoes with good grip: snow or sleet falls on 4.9 days.

Pack

• Folding umbrella
• Gloves and a warm hat

• Our clothing rules

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 Kanagawa Prefecture were 57.7% full on average (the quietest month of the year). Foreign guests spent 331,460 nights there that month (Japan Tourism Agency). That compares with 68.1% in December and 64.3% in February.

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