Koshi Weather in December
Koshi in December
The short of it: Koshi in December averages a high of 8 °C (46 °F) and a low of 0 °C (32 °F), with 211 mm (8.3 in) of rain and about 9 h 38 min of daylight. Rated 1 of 5 for a visit; the best months are June and May. Source: TerraClimate climate normals, 1991–2020.
Average high 8° · low 0° · rain 211 mm · daylight 9 h 38 min
✦ Travel with care for a visit · best months: June & May
December in Koshi brings afternoons near 8° and nights around 0°, with about 211 mm of rain over the month. Highs fall 6° against November, to near 8°; nights run about 0°. It is the wettest month of the year here, about 211 mm. The first lasting snow usually comes now.
The sun is up for about 9 h 38 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 June and May.
Against its neighbours, Koshi runs cooler than most and drier than most in December. Asahi, 5 km to the NNW, is 1° warmer by day.
December in Koshi, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 1st wettest of 12
- Versus November
- 6° colder, 45 mm more rain
- Versus January
- 4° warmer
- Day–night spread
- 8°
- Snow season
- Dec–Feb
- Daylight, mid-month
- 9 h 38 min
- Average wind
- 14 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| AsahiToyama | 5 km NNW | 8° | 1° | 235 mm |
| NyūzenToyama | 7 km WNW | 9° | 1° | 241 mm |
| Kurobe-shiToyama | 11 km W | 9° | 1° | 235 mm |
| UozuToyama | 19 km SW | 9° | 1° | 217 mm |
| NamerikawaToyama | 25 km SW | 9° | 1° | 212 mm |
| ItoigawaNiigata | 29 km ENE | 9° | 1° | 279 mm |
| KamiichiToyama | 29 km SW | 9° | 1° | 194 mm |
| HakubaNagano | 35 km SE | 4° | -5° | 83 mm |