When to go · Aarau
Aarau in May
Great month. Inside Aarau's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 19°C (66°F)66°F (19°C) / 11°C (52°F)52°F (11°C)
- average high / low
- Rain days
- 9
- Crowds
- Low
- Switzerland overall
- Prices
- Low
- Switzerland overall
Verdict
Inside Aarau's best window: May–Sep.
Is another month better than May?
No other month rates higher than May for Aarau in this guide.
Weather in May
- AarauHighs around 19 °C (66 °F), lows around 11 °C (52 °F), rain on about 9 daysHighs around 66 °F (19 °C), lows around 52 °F (11 °C), rain on about 9 days
Crowds and prices
- Crowds · Switzerland overall
- Low
- Prices · Switzerland overall
- Low
Switzerland overall: Lakes and cities green and quiet; many mountain lifts closed for maintenance.
Compare two months
Weather, crowds and prices for any two months in Aarau, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 19 °C (66 °F)66 °F (19 °C)
Jun: 22 °C (72 °F)72 °F (22 °C)
Night low
May: 11 °C (52 °F)52 °F (11 °C)
Jun: 14 °C (57 °F)57 °F (14 °C)
Rain days
May: 9
Jun: 8 (better)
Crowds
May: Low
Jun: Medium
Prices
May: Low
Jun: Medium
Festivals listed
May: 0
Jun: 0
May: Inside Aarau's best window: May–Sep.
June: Inside Aarau's best window: May–Sep.
Aarau: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings