Aosta

Town · Aosta Valley, 🇮🇹 Italy

Population 33,093

Area 21 km²

Time zone Europe/Rome

Official website www.comune.aosta.it

Aosta – Planning a Trip?

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Featured Lists

Unknown authorUnknown author / pd

Aosta Highlights

The Roman gateway to the Alps: Augustus's arch, the Roman theatre, the cathedral and the old town's medieval towers.

12 places

Matteo Novellini / cc-by-sa-4.0

Roman Aosta

Founded as Augusta Praetoria in 25 BC, Aosta keeps gates, a theatre, an amphitheatre, a bridge and an aqueduct from Roman times.

10 places

Patafisik / cc-by-sa-3.0

Towers and Castles of Aosta

Fortified towers and noble houses built into the old Roman walls, plus castles on the edge of town.

9 places

Aosta — Map

Climate & when to visit

Select a month

Typical weather in January

Poor

3° (feels like -1°) · extremes -13°–8°
-6° at night
12 rainy days
9 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in February

Poor

4° (feels like 0°) · extremes -14°–9°
-6° at night
10 rainy days
8 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 2 · low

Typical weather in March

Poor

6° (feels like 2°) · extremes -10°–11°
-2° at night
12 rainy days
8 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in April

Poor

11° (feels like 8°) · extremes -5°–18°
3° at night
14 rainy days
7 sunny days
6 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in May

Fair

16° (feels like 14°) · extremes 2°–23°
7° at night
19 rainy days
7 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in June

Good

21° (feels like 20°) · extremes 6°–27°
12° at night
17 rainy days
11 sunny days
9 hours of sunshine per day
Dry air
Calm winds
UV index 7 · high

Typical weather in July

Good

23° (feels like 22°) · extremes 7°–27°
13° at night
16 rainy days
15 sunny days
10 hours of sunshine per day
Comfortable humidity
Calm winds
UV index 7 · high

Typical weather in August

Good

23° (feels like 22°) · extremes 7°–28°
13° at night
15 rainy days
15 sunny days
9 hours of sunshine per day
Dry air
Calm winds
UV index 6 · high

Typical weather in September

Good

19° (feels like 18°) · extremes 4°–25°
10° at night
13 rainy days
12 sunny days
7 hours of sunshine per day
Dry air
Calm winds
UV index 5 · moderate

Typical weather in October

Fair

15° (feels like 12°) · extremes 0°–21°
6° at night
13 rainy days
9 sunny days
5 hours of sunshine per day
Dry air
Calm winds
UV index 3 · moderate

Typical weather in November

Poor

8° (feels like 4°) · extremes -9°–15°
0° at night
14 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

Typical weather in December

Poor

4° (feels like 0°) · extremes -13°–9°
-4° at night
13 rainy days
7 sunny days
4 hours of sunshine per day
Dry air
Calm winds
UV index 1 · low

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

Practical information

Currency: Euro EUR € · Card payments · Widely accepted
Emergency numbers: 112
Electricity: Type C / Type F / Type L
230 V · 50 Hz

Languages: Italian
Tap water: Safe to drink
Driving side: Right
Calling code: +39

Learn more

Tours & Activities

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Aosta

Featured Lists

Aosta Highlights

Roman Aosta

Towers and Castles of Aosta

Aosta — Map

Climate & when to visit

Typical weather in January

Typical weather in February

Typical weather in March

Typical weather in April

Typical weather in May

Typical weather in June

Typical weather in July

Typical weather in August

Typical weather in September

Typical weather in October

Typical weather in November

Typical weather in December

Practical information

Tours & Activities

Aosta – Plan Your Days

Related destinations

Other Destinations