Yokohama
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Yokohama Weather in December

December in Yokohama brings moderate temperatures, with daytime highs of 13°C (55°F) and nights around 6°C (43°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.

Rainfall in Yokohama in December

With the lowest rainfall figures of the year, conditions are ideal for exploring the outdoors, even if the temperatures require a jacket. Typically, you can expect about 10 days of rain this month, with 70 mm (2.8 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Yokohama in December

In December, Yokohama gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 6°C (43°F). The month of December belongs to the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Yokohama in December

The area enjoys a moderate level of sunlight, with around 182 hours. It's a good balance between sunny and cloudy days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Yokohama. Our weather planner can help you explore destinations with more pleasant weather conditions.

Yokohama Temperature in December

Min Temperature
6°C (43°F)
Max Temperature
13°C (55°F)
Chance of Rain
32%
Precipitation
70 mm (2.8 in)
Rainy days
10 days
Humidity
56%
Sunshine
182 hours
Percentage Sunshine

Yokohama Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Yokohama - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Yokohama typically drop from around 14°C (57°F) at the start of December to approximately 11°C (52°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 7°C (45°F).

Average temperatures in December

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

Historical weather records for Yokohama in December

Browse day-by-day weather records for Yokohama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Yokohama historical weather extremes in December

The extremes listed below come from historical weather data collected in Yokohama from 1976 through 2025.

  • On December 16, 2023, temperatures climbed to 23°C (73°F), marking the warmest December day on record.
  • On December 28, 1986, Yokohama saw its coldest December day with temperatures maxing out at 3°C (37°F).
  • The lowest overnight temperature recorded in December was -3°C (27°F) (December 19, 1983).

Best Places in Japan in December

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in December →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Yokohama in December

Pack for changing conditions in Yokohama in December. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Yokohama in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Yokohama 3-Day Forecast

More climate data for Yokohama

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.