Weather in Hakone for December 2025
In general, the average temperature in Hakone at the beginning of December is 11.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 9 °C by the end of December.
Hakone experiences moderate rainfall in December, with an average of 10 rainy days and a total precipitation of 63.5 mm.
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Hakone in December average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  12° | 2  10° | 3  13° | 4 12° | 5  9° | 6  12° | 7 12° |
| 8 12° | 9 11° | 10 12° | 11 13° | 12  11° | 13 11° | 14 10° |
| 15 10° | 16 11° | 17 9° | 18 7° | 19 7° | 20 9° | 21 9° |
| 22 9° | 23 8° | 24 10° | 25 10° | 26 8° | 27 8° | 28 9° |
| 29 10° | 30 10° | 31 8° |
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Temperatures trend during December in Hakone
December weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Moderate or heavy rain shower | 12° /4° | 17.6 mm | 3 | |
| 2 Dec. | Overcast | 10° /4° | 0.5 mm | 3 | |
| 3 Dec. | Sunny | 13° /4° | 0 mm | 4 | |
| 4 Dec. | Sunny | 12° /6° | 0 mm | 3 | |
| 5 Dec. | Cloudy | 9° /5° | 0.7 mm | 3 | |
| 6 Dec. | Patchy rain possible | 12° /6° | 0.8 mm | 3 | |
| 7 Dec. | Sunny | 12° /6° | 0.3 mm | 3 | |
| 8 Dec. | Moderate or heavy rain shower | 12° /4° | 3.1 mm | 3 | |
| 9 Dec. | Sunny | 11° /5° | 0.2 mm | 3 | |
| 10 Dec. | Cloudy | 12° /5° | 0 mm | 4 | |
| 11 Dec. | Patchy rain possible | 13° /6° | 0.2 mm | 3 | |
| 12 Dec. | Partly cloudy | 11° /5° | 5 mm | 3 | |
| 13 Dec. | Overcast | 11° /5° | 2.4 mm | 3 | |
| 14 Dec. | Patchy rain possible | 10° /4° | 1.1 mm | 3 | |
| 15 Dec. | Sunny | 10° /3° | 2.8 mm | 3 | |
| 16 Dec. | Sunny | 11° /4° | 0.5 mm | 3 | |
| 17 Dec. | Overcast | 9° /2° | 9.1 mm | 2 | |
| 18 Dec. | Sunny | 7° /0° | 0.2 mm | 2 | |
| 19 Dec. | Patchy rain possible | 7° /1° | 0.1 mm | 2 | |
| 20 Dec. | Cloudy | 9° /1° | 0 mm | 3 | |
| 21 Dec. | Overcast | 9° /3° | 2.4 mm | 3 | |
| 22 Dec. | Sunny | 9° /2° | 4.8 mm | 3 | |
| 23 Dec. | Sunny | 8° /1° | 0.2 mm | 3 | |
| 24 Dec. | Sunny | 10° /2° | 0.6 mm | 3 | |
| 25 Dec. | Sunny | 10° /2° | 1.3 mm | 3 | |
| 26 Dec. | Sunny | 8° /2° | 0.1 mm | 2 | |
| 27 Dec. | Overcast | 8° /2° | 0 mm | 2 | |
| 28 Dec. | Partly cloudy | 9° /2° | 0.1 mm | 3 | |
| 29 Dec. | Sunny | 10° /2° | 0 mm | 4 | |
| 30 Dec. | Partly cloudy | 10° /2° | 4 mm | 3 | |
| 31 Dec. | Partly cloudy | 8° /2° | 1.8 mm | 3 | |
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Hakone in December - FAQ
What to pack to Hakone in December?
As you prepare for your trip to Hakone 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 Hakone, during December, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
December rainfall patterns in Hakone
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Where is Hakone?Get accurate weather forecasts for Hakone, located at latitude 35.189 and longitude 139.026. Stay updated with localized weather information tailored for Hakone.