When to go · Sion
Sion in March
Avoid month. Listed as a month to avoid: Nov–Mar (many hotels close, limited bus service).
Key facts
- Verdict
- Avoid
- Temperature
- 10°C (50°F)50°F (10°C) / 2°C (36°F)36°F (2°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Switzerland overall
- Prices
- Medium
- Switzerland overall
Verdict
Listed as a month to avoid: Nov–Mar (many hotels close, limited bus service).
Is another month better than March?
March is rated avoid. These months rate higher:
Weather in March
- SionHighs around 10 °C (50 °F), lows around 2 °C (36 °F), rain on about 9 daysHighs around 50 °F (10 °C), lows around 36 °F (2 °C), rain on about 9 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Easter big impact
Good Friday – Easter Monday (26–29 Mar 2027) · Switzerland
Shops closed Friday and Monday in most cantons; last big ski weekend.
Crowds and prices
- Crowds · Switzerland overall
- Medium
- Prices · Switzerland overall
- Medium
Switzerland overall: Sunny spring skiing; cities quiet; lakes still cold.
Compare two months
Weather, crowds and prices for any two months in Sion, side by side.
Verdict
Mar: Avoid
Jun: Great (better)
Daytime high
Mar: 10 °C (50 °F)50 °F (10 °C)
Jun: 24 °C (75 °F)75 °F (24 °C)
Night low
Mar: 2 °C (36 °F)36 °F (2 °C)
Jun: 13 °C (55 °F)55 °F (13 °C)
Rain days
Mar: 9 (better)
Jun: 13
Crowds
Mar: Medium
Jun: Medium
Prices
Mar: Medium
Jun: Medium
Festivals listed
Mar: 1
Jun: 0
March: Listed as a month to avoid: Nov–Mar (many hotels close, limited bus service).
June: Inside Sion's best window: Jun–Sep.
Sion: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings