Sion Weather in December
Sion in December
The short of it: Sion in December averages a high of 32 °C (89 °F) and a low of 21 °C (69 °F), with 208 mm (8.2 in) of rain and about 12 h 34 min of daylight. Rated 2 of 5 for a visit; the best months are June and July. Source: TerraClimate climate normals, 1991–2020.
Average high 32° · low 21° · rain 208 mm · daylight 12 h 34 min
✦✦ Travel with care for a visit · best months: June & July
December in Sion brings afternoons near 32° and nights around 21°, with about 208 mm of rain over the month. Days run hot, near 32° in the afternoon; ride early and rest at noon. Wet spells are common — about 208 mm, the 4th wettest month.
The sun is up for about 12 h 34 min in mid-December.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates December 2 of 5 for a visit; the finest months here are June and July.
Against its neighbours, Sion runs cooler than most and wetter than most in December. Pólvora, 30 km to the SSE, is 1° cooler by day.
December in Sion, by the numbers
- Warmth rank
- 6th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus November
- about the same, 67 mm less rain
- Versus January
- about the same
- Day–night spread
- 11°
- Snow season
- seldom any
- Daylight, mid-month
- 12 h 34 min
- Average wind
- 5 km/h
Neighbouring Towns
December averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PólvoraSan Martín Department | 30 km SSE | 31° | 20° | 234 mm |
| HuicungoSan Martín Department | 39 km N | 33° | 21° | 145 mm |
| Costa RicaSan Martín Department | 46 km NNE | 33° | 21° | 135 mm |
| JuanjuíSan Martín Department | 55 km N | 33° | 22° | 130 mm |
| PajarilloSan Martín Department | 55 km NNE | 33° | 22° | 127 mm |
| La VictoriaSan Martín Department | 59 km N | 33° | 21° | 126 mm |
| Dos de MayoSan Martín Department | 61 km NNW | 32° | 20° | 123 mm |
| LedoySan Martín Department | 62 km NNE | 33° | 22° | 120 mm |