When to go · Aarau
Aarau, month by month
The best months for Aarau: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Dec–Feb (cold, possible snow).2 °C (36 °F) / -2 °C (28 °F), 7 rain days36 °F (2 °C) / 28 °F (-2 °C), 7 rain daysCrowds: Medium
- FebruaryAvoidListed as a month to avoid: Dec–Feb (cold, possible snow).4 °C (39 °F) / -1 °C (30 °F), 6 rain days39 °F (4 °C) / 30 °F (-1 °C), 6 rain daysCrowds: High
- MarchGoodOutside the best window (May–Sep). Across Switzerland: Sunny spring skiing; cities quiet; lakes still cold.9 °C (48 °F) / 2 °C (36 °F), 8 rain days48 °F (9 °C) / 36 °F (2 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- AprilMixedOutside the best window (May–Sep). Across Switzerland: Ski season ends after Easter; Zurich's Sechseläuten; Ticino in blossom.14 °C (57 °F) / 6 °C (43 °F), 9 rain days57 °F (14 °C) / 43 °F (6 °C), 9 rain daysCrowds: Low
- MayGreatInside Aarau's best window: May–Sep.19 °C (66 °F) / 11 °C (52 °F), 9 rain days66 °F (19 °C) / 52 °F (11 °C), 9 rain daysCrowds: Low
- JuneGreatInside Aarau's best window: May–Sep.22 °C (72 °F) / 14 °C (57 °F), 8 rain days72 °F (22 °C) / 57 °F (14 °C), 8 rain daysCrowds: Medium
- JulyGreatInside Aarau's best window: May–Sep.25 °C (77 °F) / 16 °C (61 °F), 7 rain days77 °F (25 °C) / 61 °F (16 °C), 7 rain daysCrowds: High
- AugustGreatInside Aarau's best window: May–Sep.25 °C (77 °F) / 16 °C (61 °F), 7 rain days77 °F (25 °C) / 61 °F (16 °C), 7 rain daysCrowds: High
- SeptemberGreatInside Aarau's best window: May–Sep.20 °C (68 °F) / 13 °C (55 °F), 8 rain days68 °F (20 °C) / 55 °F (13 °C), 8 rain daysCrowds: Medium
- OctoberMixedOutside the best window (May–Sep). Across Switzerland: Autumn larches in the Engadin and Valais; lifts close from mid-month.14 °C (57 °F) / 8 °C (46 °F), 9 rain days57 °F (14 °C) / 46 °F (8 °C), 9 rain daysCrowds: Low
- NovemberMixedOutside the best window (May–Sep). Across Switzerland: Grey on the Plateau, most resorts closed; Christmas markets start late in the month.7 °C (45 °F) / 2 °C (36 °F), 9 rain days45 °F (7 °C) / 36 °F (2 °C), 9 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Dec–Feb (cold, possible snow).3 °C (37 °F) / -1 °C (30 °F), 8 rain days37 °F (3 °C) / 30 °F (-1 °C), 8 rain daysCrowds: High · 1 festival or holiday
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.