Yokohama, Japan — Weather in December 2026

Climate Overview

Yokohama, Japan in December has mild conditions, with highs averaging 11.4°C (53°F) and noticeably cooler mornings. Sea temperature stays cool at 16°C (61°F).

This month falls at the beginning of Winter.

Daily highs in December gradually drop from around 13°C (56°F) at the start to 10°C (50°F) by month's end.

December sees fairly even rainfall, totalling about 54 mm across the month.

Expect around 6.5h of sunshine at the start of December, increasing to 7.9h by the end.

The warmest days tend to fall around the 1th, averaging 13.8°C (57°F).

Compared to November, this month is about 5°C cooler with 4 fewer rainy days. Temperatures begin dropping heading into January.

Monthly December Averages

Temperature

11°C / 5°C

Feels Like

8°C / 1°C

Rain

6 days · 54 mm

Sunshine

7.3h / day

Humidity

67% — Humid

Wind

24 km/h

Wind Direction

N (350°)

Gusts

38 km/h

Daylight

9.8 h

Cloud Cover

42%

Clear Sky Days

8.7

UV Index

3 — Moderate

Sea Temperature

16°C

Dew Point

3°C — Dry

Moon Phase

Waxing Crescent · 31%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:44

Daylight 9.8h

Sunset 16:31

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	9°C / 3°C	5°C / -2°C	5days (55 mm) Good	7.6h Good	64% Muggy	3.3 Moderate	Poor	View Details
February	10°C / 3°C	6°C / -1°C	8days (58 mm) Wet	8.1h Good	64% Muggy	4 Moderate	Poor	View Details
March	13°C / 7°C	10°C / 3°C	12days (130 mm) Wet	7.9h Good	71% Muggy	4.7 Moderate	Fair	View Details
April	17°C / 11°C	15°C / 8°C	11days (123 mm) Wet	8.6h Good	75% Muggy	5.5 High	Good	View Details
May best	21°C / 16°C	21°C / 14°C	12days (137 mm) Wet	8.7h Good	79% Humid	5.8 High	Excellent	View Details
June best	24°C / 19°C	26°C / 20°C	13days (189 mm) Wet	8.3h Good	84% Humid	6.6 High	Excellent	View Details
July	27°C / 23°C	32°C / 26°C	12days (152 mm) Wet	8.9h Good	87% Very Muggy	7.6 Very High	Good	View Details
August	29°C / 25°C	33°C / 28°C	12days (117 mm) Wet	10h Excellent	85% Humid	7.4 Very High	Fair	View Details
September best	26°C / 22°C	29°C / 23°C	14days (169 mm) Wet	7.7h Good	83% Humid	5.8 High	Excellent	View Details
October best	21°C / 16°C	20°C / 14°C	14days (188 mm) Wet	6.5h Fair	77% Humid	4 Moderate	Wet	View Details
November	16°C / 11°C	14°C / 8°C	10days (94 mm) Wet	7h Good	73% Muggy	3.3 Moderate	Good	View Details
December	11°C / 5°C	8°C / 1°C	6days (54 mm) Good	7.3h Good	67% Muggy	3 Moderate	Fair	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is December a good time to visit Yokohama?

December is typically fair for visiting Yokohama, with average highs of 11°C (53°F) and around 6 rainy days. Yokohama, Japan in December has mild conditions, with highs averaging 11.4°C (53°F) and noticeably cooler mornings. Sea

Does it rain a lot in Yokohama in December?

Yokohama typically sees around 6 rainy days in December with 54 mm (2.1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Yokohama in December?

Yes, nights in Yokohama during December are cold, averaging 5°C (42°F). Pack warm layers and a coat for evenings.

What should I pack for Yokohama in December?

With highs of 11°C (53°F) and lows of 5°C (42°F) in December, we recommend: Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

Is December among the best months weather-wise in Yokohama?

December is not the most favourable month weather-wise in Yokohama. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Yokohama in December?

The average UV index in Yokohama during December is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Yokohama in December?

Yokohama gets approximately 10 hours of daylight per day in December, with around 7 hours of sunshine.

Does it snow in Yokohama in December?

Snow is uncommon in Yokohama during December based on 10-year climate averages.

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