Austria Hallstatt Weather in August — Climate Guide
August in Hallstatt is very-high
August is very-high for Hallstatt.
August stays at the summer peak — warm days around 23°C/13°C, everything open, and crowds at their heaviest, much like July. It's a fine month weather-wise for the lake and mountains, and the most reliable for finding all attractions running.
The overtourism pressure is the same story: the village is overwhelmed by day-trippers from roughly 10am to 5pm, with up to ~10,000 visitors on busy days. The Assumption Day holiday (Aug 15) is especially packed. Stay overnight or arrive early, and time the village for the quiet morning and evening hours while saving midday for the Dachstein or the lake.
Travel score
Hallstatt August Weather Stats
Avg High
23°C
Avg Low
13°C
Rainy Days
15
155mm total
Sunshine
6h
Daily avg
Humidity
77%
comfortable
UV Index
6
High
Wind
7 km/h
Gusts 16
Crowds
Very busy
At attractions
August Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
24 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
24°C
Nighttime
13°C
Humidity and wind affect how the actual temperature feels.
Wind
7 km/h
Max gust 16 km/h
Activities Recommended for August
August Travel Pros & Cons
Pros
- Warm, reliable summer weather
- All attractions and the salt mine open
- Great for the lake and Dachstein
- Lively festival season
Cons
- Heaviest crowds, peaking around Aug 15
- Peak prices; rooms scarce
- Afternoon thunderstorms common
- Midday village very congested
August Events & Festivals
- Assumption Day (Aug 15) — public holiday, very busy
- Peak season continues — heaviest crowds
- Salzkammergut summer festivals
- All attractions, boats, and the salt mine open
Hallstatt in August — Full Picture
August stays at the summer peak — warm days around 23°C/13°C, everything open, and crowds at their heaviest, much like July. It's a fine month weather-wise for the lake and mountains, and the most reliable for finding all attractions running.
The overtourism pressure is the same story: the village is overwhelmed by day-trippers from roughly 10am to 5pm, with up to ~10,000 visitors on busy days. The Assumption Day holiday (Aug 15) is especially packed. Stay overnight or arrive early, and time the village for the quiet morning and evening hours while saving midday for the Dachstein or the lake.
Alpine afternoon thunderstorms remain common, so keep flexible plans and carry a waterproof; the Dachstein heights and ice caves are cold year-round. Humidity ticks up a little, and lake fog can linger on calm mornings.
Prices stay at their highest and rooms remain scarce — book well ahead. With the salt mine reopened, the full range of sights is available.
What to Wear & What to Pack
Warm summer — around 23°C/13°C. Light summer clothing, a waterproof for storms, and a warm layer for the cold Dachstein caves and heights.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
13°C
3.7°C
13.3/mo
Summer (Jun·Jul·Aug)
Current22.7°C
12.3°C
15.7/mo
Autumn (Sep·Oct·Nov)
13°C
5.3°C
12/mo
Winter (Dec·Jan·Feb)
2°C
-3.3°C
11.7/mo
Hallstatt Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 1° | -4° | 12d·75mm | 2h | 85% | 1 | Quiet | Shoulder | |
| 3° | -3° | 11d·65mm | 3h | 83% | 2 | Quiet | Shoulder | |
| 8° | 0° | 12d·80mm | 4h | 78% | 3 | Quiet | Shoulder | |
| 13° | 3° | 13d·90mm | 5h | 75% | 4 | Moderate | Shoulder | |
| 18° | 8° | 15d·120mm | 6h | 74% | 6 | Busy | Peak | |
| 21° | 11° | 16d·145mm | 6h | 75% | 7 | Busy | Peak | |
| July (Best) | 24° | 13° | 16d·160mm | 6.5h | 75% | 7 | Very busy | Peak |
| August (Best) | 23° | 13° | 15d·155mm | 6h | 77% | 6 | Very busy | Peak |
| 19° | 10° | 13d·110mm | 5h | 78% | 5 | Busy | Peak | |
| 13° | 5° | 11d·90mm | 4h | 81% | 3 | Moderate | Shoulder | |
| 7° | 1° | 12d·90mm | 2.5h | 85% | 1 | Quiet | Low season | |
| 2° | -3° | 12d·80mm | 2h | 86% | 1 | Moderate | Peak |
View Other Months
Hallstatt August Hotel Picks
Frequently Asked Questions
Is August a good time to visit Hallstatt?
Hallstatt in August is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Hallstatt in August?
Hallstatt August averages a high of 23°C and a low of 13°C.
Does it rain much in Hallstatt in August?
Hallstatt August averages 155mm of rainfall over about 15 rainy days.
What should I wear in Hallstatt in August?
Warm summer — around 23°C/13°C. Light summer clothing, a waterproof for storms, and a warm layer for the cold Dachstein caves and heights.
What time are sunrise and sunset in Hallstatt in August?
Hallstatt August sunrise is 06:00 and sunset is 20:10, with 14h 10min of daylight.
What's the air quality like in Hallstatt in August?
Hallstatt August air quality (AQI) averages 35, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Hallstatt in August?
In August, Hallstatt is great for Early-morning village walks, Lake boats and nearby warm-lake swimming, Dachstein cable car, ice caves & 5fingers.
Is August peak season in Hallstatt?
Hallstatt August crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Hallstatt
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.