Shinjuku
December
Weather in Shinjuku for December 2026
Your guide to Shinjuku weather in December - trends and predictions
With an average of 4 rainy days, Shinjuku experiences minimal rainfall in December.
Is December a good time to visit Shinjuku? check out the best time to travel to Shinjuku page.
✨ Is December a good time to visit Shinjuku? – Ask the AI Weatherman
Rain 🌧️
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27
Dry days
4
Rainy days
0
Snow days
13°/9°
Temperatures
31 km/h
Avg max wind
54 %
Avg humidity
Shinjuku Weather December
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Temperatures trend during December in Shinjuku
See the weather trend as well as the moving average line
December weather in Shinjuku day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 17° /12° | 0 mm | 2.8 | |
| 2 Dec. |  Partly cloudy | 16° /13° | 0 mm | 2.8 | |
| 3 Dec. | Sunny | 17° /10° | 0.6 mm | 2.8 | |
| 4 Dec. |  Overcast | 13° /10° | 0.1 mm | 2.7 | |
| 5 Dec. |  Patchy rain possible | 14° /10° | 0.1 mm | 2.7 | |
| 6 Dec. | Sunny | 14° /10° | 0 mm | 2.7 | |
| 7 Dec. | Overcast | 13° /10° | 0 mm | 2.7 | |
| 8 Dec. | Patchy rain possible | 15° /11° | 0.1 mm | 2.7 | |
| 9 Dec. | Overcast | 11° /9° | 0 mm | 2.6 | |
| 10 Dec. | Overcast | 12° /10° | 0.1 mm | 2.6 | |
| 11 Dec. | Overcast | 14° /10° | 0 mm | 2.6 | |
| 12 Dec. | Overcast | 13° /7° | 0 mm | 2.6 | |
| 13 Dec. | Patchy rain possible | 10° /6° | 1.5 mm | 2.6 | |
| 14 Dec. |  Light rain | 13° /8° | 5.1 mm | 2.6 | |
| 15 Dec. | Sunny | 12° /9° | 0.2 mm | 2.6 | |
| 16 Dec. | Sunny | 11° /8° | 0 mm | 2.6 | |
| 17 Dec. | Partly cloudy | 13° /9° | 0 mm | 2.6 | |
| 18 Dec. | Overcast | 12° /8° | 0.2 mm | 2.6 | |
| 19 Dec. | Patchy rain possible | 11° /8° | 1.3 mm | 2.6 | |
| 20 Dec. | Light rain | 15° /10° | 6.2 mm | 2 | |
| 21 Dec. | Patchy rain possible | 17° /13° | 1.6 mm | 2 | |
| 22 Dec. | Overcast | 13° /8° | 0.5 mm | 2 | |
| 23 Dec. | Overcast | 10° /6° | 0 mm | 2 | |
| 24 Dec. |  Moderate rain | 11° /7° | 13.2 mm | 2 | |
| 25 Dec. | Overcast | 13° /9° | 0.4 mm | 2 | |
| 26 Dec. | Partly cloudy | 13° /8° | 0.3 mm | 2.6 | |
| 27 Dec. | Overcast | 9° /6° | 0 mm | 2 | |
| 28 Dec. | Partly cloudy | 11° /7° | 0 mm | 2.6 | |
| 29 Dec. | Sunny | 13° /8° | 0 mm | 2.6 | |
| 30 Dec. | Overcast | 12° /7° | 0 mm | 2 | |
| 31 Dec. | Overcast | 13° /9° | 0 mm | 2 | |
| Next | |||||
Important Notice
Our weather forecast for Shinjuku in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Shinjuku forecast closer to your planned date for the most up-to-date weather information.
Change Month
Shinjuku weather in December vs November vs January
Compare December weather in Shinjuku with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible |  Cloudy | Cloudy |
| Temperatures | 17°/14° | 13°/9° | 10°/6° |
| Rainfall | 115 mm | 31 mm | 36 mm |
| Snowfall | 0 cm | 0 cm | 0 cm |
| Wind | 31.4 km/h | 31 km/h | 33.3 km/h |
| Humidity | 62% | 54% | 52% |
| Rainy days | 9 days | 4 days | 5 days |
| Snow days | 0 days | 0 days | 0 days |
| Dry days | 21 days | 27 days | 26 days |
Planning a trip to Shinjuku? Discover the best time to visit
Shinjuku in December - FAQ
What are the expected maximum and minimum temperatures in Shinjuku during December?
During December, expect a variety of temperatures with highs around 13° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Shinjuku during December?
In December, Shinjuku can expect light to moderate rainfall, totaling 31.3 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Shinjuku during December?
The average wind speed in Shinjuku during December is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Shinjuku
Explore the daily rainfall trends and prepare for Shinjukus December weather 💧
Typically, Shinjuku has 4 rainy days in December with a total of 31.3 mm of rainfall.
What to pack to Shinjuku in December?
Mild · highs around 13 °C, occasional showers
As you prepare for your trip to Shinjuku in December, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Shinjuku, during December, is comfortable and enjoyable, regardless of the weather conditions.
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