Climate & Weather in Sion, 🇨🇭 Switzerland - Monthly Averages, Forecast & Air Quality
🇨🇭 Sion,
Switzerland
#3014
Nomad Score
5.7
Coords
46.2311749, 7.3588795
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CURRENT CONDITIONS
Temperature
31.0°C
/
16.8°C
Feels Like
31.3°C / 15.4°C
Weather
🌧️ Slight rain showers
Humidity
%
Wind
13.1 km/h
(gusts 27.0)
UV Index
6.4
Sunrise / Sunset
06:41
/
20:24
Daylight
13.7 hrs
7-DAY FORECAST
| Date | Weather | High | Low | Rain % |
|---|---|---|---|---|
| Mon 24 Aug | 🌧️ Slight rain showers | 31.0° | 16.8° | 75% |
| Tue 25 Aug | ⛈️ Thunderstorm | 27.9° | 17.9° | 46% |
| Wed 26 Aug | 🌤️ Overcast | 30.6° | 18.1° | 8% |
| Thu 27 Aug | 🌤️ Overcast | 29.6° | 19.9° | 23% |
| Fri 28 Aug | ⛈️ Thunderstorm | 26.1° | 20.0° | 78% |
| Sat 29 Aug | ⛈️ Thunderstorm | 25.2° | 17.8° | 80% |
| Sun 30 Aug | 🌤️ Overcast | 28.2° | 16.0° | 20% |
BEST MONTHS TO VISIT
| Month | Rating | Avg High | Avg Low | Rain Days |
|---|---|---|---|---|
| September | Excellent | 22.7°C | 12.8°C | 11.6 |
| July | Good | 27.4°C | 17.0°C | 13.5 |
| August | Good | 27.8°C | 16.7°C | 11.4 |
| June | Good | 26.5°C | 15.5°C | 16.2 |
| October | Good | 19.1°C | 9.3°C | 11.2 |
| May | Fair | 19.4°C | 9.7°C | 17.2 |
| March | Fair | 11.6°C | 2.8°C | 11.2 |
| April | Fair | 14.8°C | 4.8°C | 13.2 |
| February | Poor | 9.8°C | 1.7°C | 9.6 |
| January | Poor | 6.1°C | -0.5°C | 13.7 |
| November | Poor | 11.2°C | 3.3°C | 14.6 |
| December | Poor | 7.7°C | 0.7°C | 12.0 |
TEMPERATURE BY MONTH
PRECIPITATION & RAIN DAYS
SUNSHINE, UV & HUMIDITY
AIR QUALITY
24
🟢 Good
US Air Quality Index
European AQI: 17
PM2.5
5.8 µg/m³
PM10
8.6 µg/m³
Ozone
42.0 µg/m³
NO₂
4.9 µg/m³
SO₂
0.1 µg/m³
CO
137.0 µg/m³
UV Index
0.4
Dust
0.0 µg/m³
Pollen
🌾 Grass
2.7
🌳 Birch
0.0
🌿 Ragweed
0.4
MONTHLY CLIMATE DATA
| Month | High | Low | Mean | Feels Hi | Feels Lo | Precip | Rain Days | Snow | Sun | Daylight | UV | Humidity | Wind | Clouds |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 6.1° | -0.5° | 2.7° | 3.5° | -3.8° | 124.7 mm | 13.7 | 81.5 cm | 186.0 hrs | 9.1 hrs | - | 72.8% | 6.5 km/h | 65.3% |
| Feb | 9.8° | 1.7° | 5.5° | 7.6° | -1.3° | 73.6 mm | 9.6 | 44.5 cm | 212.8 hrs | 10.4 hrs | - | 71.1% | 6.4 km/h | 61.5% |
| Mar | 11.6° | 2.8° | 7.0° | 9.9° | 0.0° | 114.4 mm | 11.2 | 67.6 cm | 275.9 hrs | 11.9 hrs | - | 70.0% | 6.6 km/h | 63.3% |
| Apr | 14.8° | 4.8° | 9.5° | 14.0° | 2.6° | 104.6 mm | 13.2 | 45.6 cm | 300.0 hrs | 13.6 hrs | - | 72.8% | 6.6 km/h | 65.7% |
| May | 19.4° | 9.7° | 14.4° | 19.8° | 8.7° | 141.5 mm | 17.2 | 13.2 cm | 322.4 hrs | 15.0 hrs | - | 76.1% | 6.6 km/h | 71.3% |
| Jun | 26.5° | 15.5° | 21.0° | 28.2° | 16.2° | 100.4 mm | 16.2 | 0.0 cm | 381.0 hrs | 15.7 hrs | - | 69.4% | 7.2 km/h | 59.0% |
| Jul | 27.4° | 17.0° | 22.0° | 29.2° | 18.2° | 109.9 mm | 13.5 | 0.0 cm | 396.8 hrs | 15.4 hrs | - | 68.4% | 7.7 km/h | 52.1% |
| Aug | 27.8° | 16.7° | 22.1° | 29.1° | 17.8° | 88.7 mm | 11.4 | 0.0 cm | 359.6 hrs | 14.1 hrs | - | 67.5% | 7.4 km/h | 51.1% |
| Sep | 22.7° | 12.8° | 17.5° | 23.3° | 12.8° | 112.1 mm | 11.6 | 4.3 cm | 291.0 hrs | 12.5 hrs | - | 76.3% | 6.7 km/h | 61.2% |
| Oct | 19.1° | 9.3° | 13.8° | 18.6° | 8.0° | 102.3 mm | 11.2 | 8.6 cm | 248.0 hrs | 10.9 hrs | - | 76.3% | 6.9 km/h | 65.4% |
| Nov | 11.2° | 3.3° | 6.9° | 9.3° | 0.7° | 145.9 mm | 14.6 | 73.4 cm | 177.0 hrs | 9.5 hrs | - | 77.6% | 6.6 km/h | 71.4% |
| Dec | 7.7° | 0.7° | 4.0° | 5.4° | -2.4° | 149.7 mm | 12.0 | 74.8 cm | 170.5 hrs | 8.7 hrs | - | 75.5% | 6.4 km/h | 65.6% |