Sion Weather in May
Sion in May
The short of it: Sion in May averages a high of 31 °C (88 °F) and a low of 20 °C (68 °F), with 193 mm (7.6 in) of rain and about 11 h 46 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 31° · low 20° · rain 193 mm · daylight 11 h 46 min
✦✦ Travel with care for a visit · best months: June & July
Thirty years of records give Sion an average May high of 31°, a low of 20° and some 193 mm of rain. Days run hot, near 31° in the afternoon; ride early and rest at noon. Wet spells are common — about 193 mm, the 6th wettest month.
The sun is up for about 11 h 46 min in mid-May.
For the traveller: pack linen, a wide hat and water, and an oilskin besides. The Almanac rates May 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 May. Pólvora, 30 km to the SSE, is 1° cooler by day.
May in Sion, by the numbers
- Warmth rank
- 10th warmest of 12
- Rain rank
- 6th wettest of 12
- Versus April
- about the same, 7.0 mm more rain
- Versus June
- about the same
- Day–night spread
- 11°
- Snow season
- seldom any
- Daylight, mid-month
- 11 h 46 min
- Average wind
- 4 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| PólvoraSan Martín Department | 30 km SSE | 31° | 20° | 178 mm |
| HuicungoSan Martín Department | 39 km N | 32° | 21° | 129 mm |
| Costa RicaSan Martín Department | 46 km NNE | 32° | 21° | 127 mm |
| JuanjuíSan Martín Department | 55 km N | 32° | 21° | 117 mm |
| PajarilloSan Martín Department | 55 km NNE | 32° | 21° | 115 mm |
| La VictoriaSan Martín Department | 59 km N | 32° | 21° | 113 mm |
| Dos de MayoSan Martín Department | 61 km NNW | 31° | 20° | 101 mm |
| LedoySan Martín Department | 62 km NNE | 32° | 21° | 113 mm |