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Aargau Canton

Region · 🇨🇭 Switzerland
Population 726,894
Area 1,400 km²
Time zone Europe/Zurich
Official website www.ag.ch
Aargau Canton

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Featured Lists

Wladyslaw / cc-by-sa-3.0

Kanton Aargau Essentials

Kanton Aargau is defined by its deep Roman roots and medieval fortifications. This collection features the ancestral seat of the Habsburg dynasty and the well-preserved moated Hallwyl Castle. Visitors can explore the Roman legionary camp at Vindonissa and the extensive ruins of Augusta Raurica. The list also highlights the architectural heritage of Baden, including the Stein Castle ruins and the historic covered wooden bridge spanning the Limmat, alongside the record-breaking Säckingerbrücke across the Rhine.

10 places
Lutz Fischer-Lamprecht / cc-by-sa-4.0

Editor's Choice

Aargau's landscape is defined by its dense concentration of historical fortifications and Roman heritage. This collection features the ancestral seat of the Habsburg dynasty and the Vindonissa legion camp, Switzerland's only Roman camp of its kind. Highlights include the moated Hallwyl Castle, the elevated Lenzburg fortress, and the well-preserved baroque fortifications of Aarburg. These sites span two millennia, from ancient ruins and medieval hilltop keeps to late-Gothic residential castles and strategic strongholds overlooking the Aare and Rhine rivers.

16 places
Paebi / cc-by-sa-3.0

Hidden Gems

This collection highlights the diverse medieval architecture of Aargau, ranging from the Roman legion camp at Vindonissa to the moated Hallwyl Castle. It features hilltop ruins like Schenkenberg and Alt-Wartburg alongside well-preserved urban fortifications such as Baden’s Stadtturm and Brugg’s Schwarzer Turm. The list also includes quiet religious sites like the 18th-century Marienkapelle and modern observation towers on Maiengrün and Sonnenberg, which offer panoramic views across the Swiss plateau and the Rhine.

15 places
Badener / cc-by-sa-3.0

Historic Churches & Monasteries

Explore the diverse religious architecture of Canton Aargau, ranging from the medieval Cistercian abbeys of Wettingen and Gnadenthal to the Habsburg-founded Königsfelden Monastery. This collection features Gothic city churches in Aarau and Bremgarten, alongside significant parish sites like Muri’s St. Goar. Hilltop structures such as the Schlossberg’s Burgkapelle and the Sulperg’s Marienkapelle showcase the region’s spiritual history through preserved Baroque and medieval craftsmanship.

12 places
cc-by-sa-3.0

Castles & Ruins

Known as the 'Canton of Castles,' Aargau preserves a diverse collection of medieval and ancient fortifications. This list features the ancestral seat of the Habsburg dynasty and the remarkably well-preserved moated Hallwyl Castle. Key sites include the Roman legionary camp of Vindonissa, the hilltop fortress of Aarburg, and various ruins like Schenkenberg and Stein. These locations showcase architectural evolution from Roman stone foundations and medieval defensive towers to Baroque residential expansions and historic city gates like the Oberer Turm in Aarau.

15 places

Aargau Canton — Map

Aargau Canton — Map

Climate & when to visit

Select a month

Typical weather in January

Poor
  • 4° (feels like 0°) · extremes -9°–10°
  • -2° at night
  • 13 rainy days
  • 2 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 1 · low

Typical weather in February

Poor
  • 6° (feels like 2°) · extremes -11°–13°
  • -2° at night
  • 12 rainy days
  • 5 sunny days
  • 4 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 1 · low

Typical weather in March

Poor
  • 11° (feels like 7°) · extremes -4°–18°
  • 1° at night
  • 13 rainy days
  • 10 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Light breeze
  • UV index 3 · moderate

Typical weather in April

Fair
  • 15° (feels like 12°) · extremes -2°–22°
  • 5° at night
  • 13 rainy days
  • 10 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 4 · moderate

Typical weather in May

Good
  • 19° (feels like 17°) · extremes 4°–26°
  • 9° at night
  • 18 rainy days
  • 8 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 5 · moderate

Typical weather in June

Good
  • 23° (feels like 22°) · extremes 8°–29°
  • 13° at night
  • 17 rainy days
  • 10 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 6 · high

Typical weather in July

Good
  • 24° · extremes 10°–30°
  • 14° at night
  • 17 rainy days
  • 11 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 6 · high

Typical weather in August

Good
  • 24° · extremes 10°–30°
  • 14° at night
  • 15 rainy days
  • 12 sunny days
  • 8 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 6 · high

Typical weather in September

Good
  • 20° (feels like 19°) · extremes 5°–26°
  • 11° at night
  • 13 rainy days
  • 10 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 4 · moderate

Typical weather in October

Fair
  • 16° (feels like 13°) · extremes 1°–22°
  • 7° at night
  • 13 rainy days
  • 6 sunny days
  • 4 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 2 · low

Typical weather in November

Poor
  • 9° (feels like 6°) · extremes -4°–16°
  • 2° at night
  • 14 rainy days
  • 2 sunny days
  • 3 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 1 · low

Typical weather in December

Poor
  • 5° (feels like 1°) · extremes -8°–11°
  • -1° at night
  • 15 rainy days
  • 1 sunny day
  • 2 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 1 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
Swiss Franc CHF CHF · Card payments · Widely accepted
Emergency numbers
112
Electricity
Type C / Type J
230 V · 50 Hz
Languages
German, French, Italian, Romansh
Tap water
Safe to drink
Driving side
Right
Calling code
+41
Learn more

Tours & Activities

Augusta Raurica
Drive
Hallwyl Castle
Drive
Lenzburg Castle

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