Jōetsu Weather in December
Jōetsu in December
The short of it: Jōetsu in December averages a high of 10 °C (49 °F) and a low of 1 °C (34 °F), with 429 mm (16.9 in) of rain and about 9 h 37 min of daylight. Rated 1 of 5 for a visit; the best months are May and October. Source: TerraClimate climate normals, 1991–2020.
Average high 10° · low 1° · rain 429 mm · daylight 9 h 37 min
✦ Travel with care for a visit · best months: May & October
December in Jōetsu brings afternoons near 10° and nights around 1°, with about 429 mm of rain over the month. The year turns hard here: highs drop 6° from November to about 10°, with nights near 1°. It is the wettest month of the year here, about 429 mm.
The sun is up for about 9 h 37 min in mid-December, 30 minutes less than a month before.
For the traveller: pack a heavy coat, gloves and a scarf, and an oilskin besides. The Almanac rates December 1 of 5 for a visit; the finest months here are May and October.
Against its neighbours, Jōetsu runs warmer than most and wetter than most in December. Myoko, 14 km to the S, is 1° cooler by day.
December in Jōetsu, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 1st wettest of 12
- Versus November
- 6° colder, 143 mm more rain
- Versus January
- 3° warmer
- Day–night spread
- 8°
- Snow season
- Jan–Feb
- Daylight, mid-month
- 9 h 37 min
- Average wind
- 15 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| MyokoNiigata | 14 km S | 8° | 1° | 339 mm |
| AraiNiigata | 16 km S | 8° | 1° | 329 mm |
| ToyosatoNagano | 31 km SE | 6° | -2° | 173 mm |
| IiyamaNagano | 35 km SSE | 6° | -2° | 156 mm |
| ItoigawaNiigata | 37 km WSW | 9° | 1° | 279 mm |
| KashiwazakiNiigata | 37 km NE | 9° | 1° | 432 mm |
| KamikijimaNagano | 38 km SSE | 7° | -1° | 176 mm |
| KashiwabaraNagano | 39 km S | 5° | -3° | 93 mm |