Hakone Weather: December
 |
Average Day Temperature: | 54.3°F |
|
Average Night Temperature: | 44.6°F |
|
Sea Water Temperature: | 65.9°F |
|
Number of Sunny Days: | 17 days |
| Sunshine Hours: | 9.8 - 10.0 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 2.1 in | |
| detailed information | ||
forecast
| Hakone |
Temperature
| Hakone |
Air Temperature in December, °F
The highest day temperature in December 2025 was 67°F. The lowest night temperature was 35°F. The average values for day and night temperatures during December were 53.1°F и 44.9°F respectivly.
Hakone Water Sea Temperature in December, °F
The average sea surface temperature in December 2025 for Hakone was 67.3°F. The maximum and minimum values were 65.6°F and 71.0°F respectively.
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Precipitation total in December for Hakone is 2.1 in. It makes december one of the least rainy months of the year.
The average wind speed in December is 7.3 mph. This value is relatively stable throughout the year.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hakone in December is 6.7 hours.
Hakone on the Weather Map
| Atami |  |
+48 |
| Fukuoka |  |
+36 |
| Hakone | |
+50 |
| Hiroshima |  |
+32 |
| Kamakura | |
+54 |
| Kyoto | |
+36 |
| Nagasaki | |
+38 |
| Nagoya | |
+42 |
| Nara | |
+38 |
| Noboribetsu | |
+34 |
| Okinawa | |
+60 |
| Osaka | |
+40 |
| Sapporo | |
+32 |
| Tokyo | |
+52 |
| Yokohama | |
+54 |
| 0600 |  |
50°F | NE 22 mph |
| 0900 |  |
48°F | E 23 mph |
| 1200 | |
48°F | NE 29 mph |
| 1500 | |
40°F | E 28 mph |
| 1800 |  |
36°F | E 22 mph |
| 2100 |  |
32°F | NE 19 mph |
| 0000 | |
32°F | E 11 mph |
| 0300 | |
32°F | S 2 mph |