Onjuku
Weather by month
Current – 10-day forecastForecast

Onjuku Weather in December

December in Onjuku averages 14°C (57°F) during the day and 9°C (48°F) at night. With just 100 mm (3.9 in) of rainfall on average, it doesn't get much drier than this.

Rainfall in Onjuku in December

This is the driest month, making it a great choice for planning outdoor excursions, even if the weather is on the cooler side. Past climate data indicates that roughly 12 days will see rain, totalling around 100 mm (3.9 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Onjuku in December

December in Onjuku brings moderate temperatures, with highs of 14°C (57°F) and nights around 9°C (48°F). December is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Onjuku in December

The month brings about 177 hours of sunlight, offering a comfortable mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and July typically offer the best weather for Onjuku.

Onjuku Temperature in December

Min Temperature
9°C (48°F)
Max Temperature
14°C (57°F)
Chance of Rain
38%
Precipitation
100 mm (3.9 in)
Rainy days
12 days
Humidity
56% *
Sunshine
177 hours *
Percentage Sunshine
*
* Data from: Chiba, Japan (49 KM, 30 Miles).

Onjuku Weather by Month

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

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 Onjuku in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Onjuku 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
    9/10

Onjuku 3-Day Forecast

More climate data for Onjuku

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.