Austria Hallstatt Weather in May — Climate Guide
May in Hallstatt is high
Hallstatt Weather in May — Quick Answer
As of 2026- Avg temp
- 18° / 8°
- Rainfall
- 120mm · 15 days
- Crowds
- Busy
As of 2026, Hallstatt in May averages a high of 18°C and low of 8°C with 120mm of rain over about 15 days. Mild late spring — around 18°C/8°C. Light layers, a t-shirt for warm afternoons, plus a light waterproof and a layer for cool evenings and the lake.
May is high for Hallstatt.
May is one of the best months in Hallstatt — mild, green, and with almost everything running, days averaging about 18°C/8°C. The valley is lush, the lake is bright, and the lake boats and Dachstein cable car are in full swing.
It's a sweet spot of warm-enough weather and slightly thinner crowds than the July-August peak, especially mid-month and away from the long Labour Day weekend. Mornings and evenings are genuinely lovely and quiet.
Travel score
Hallstatt May Weather Stats
Avg High
18°C
Avg Low
8°C
Rainy Days
15
120mm total
Sunshine
6h
Daily avg
Humidity
74%
comfortable
UV Index
6
High
Wind
8 km/h
Gusts 18
Crowds
Busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
24 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
18°C
Nighttime
8°C
Humidity and wind affect how the actual temperature feels.
Wind
8 km/h
Max gust 18 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Mild weather with lush greenery
- Most attractions and boats fully open
- Slightly fewer crowds than peak summer
- Corpus Christi lake procession (late May/early June)
Cons
- One of the wetter months — frequent showers
- Crowds and prices climbing toward summer
- Occasional fog over the lake
- Salt mine closed (reconstruction)
May Events & Festivals
- Labour Day (May 1) — public holiday
- Lush spring greenery across the valley
- Most attractions, boats, and cable cars fully running
- Corpus Christi lake procession (late May/early June, date varies)
Hallstatt in May — Full Picture
May is one of the best months in Hallstatt — mild, green, and with almost everything running, days averaging about 18°C/8°C. The valley is lush, the lake is bright, and the lake boats and Dachstein cable car are in full swing.
It's a sweet spot of warm-enough weather and slightly thinner crowds than the July-August peak, especially mid-month and away from the long Labour Day weekend. Mornings and evenings are genuinely lovely and quiet.
The catch is rain: May is one of the wetter months in this alpine-lake climate, with frequent afternoon showers and the occasional foggy day, so pack a waterproof and keep itineraries flexible — slot the Dachstein for the clearest day. The Corpus Christi boat procession on the lake (late May or early June, depending on the calendar) is a centuries-old tradition worth catching.
Day-tripper numbers and prices are climbing toward summer levels, so book accommodation ahead. The Salzwelten salt mine remains closed for reconstruction (until ~30 June 2026).
What to Wear & What to Pack
Mild late spring — around 18°C/8°C. Light layers, a t-shirt for warm afternoons, plus a light waterproof and a layer for cool evenings and the lake.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current13°C
3.7°C
13.3/mo
Summer (Jun·Jul·Aug)
22.7°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 May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Hallstatt?
Hallstatt in May is high. Tourist crowds are busy and flight/hotel prices are peak.
What's the average temperature in Hallstatt in May?
Hallstatt May averages a high of 18°C and a low of 8°C.
Does it rain much in Hallstatt in May?
Hallstatt May averages 120mm of rainfall over about 15 rainy days.
What should I wear in Hallstatt in May?
Mild late spring — around 18°C/8°C. Light layers, a t-shirt for warm afternoons, plus a light waterproof and a layer for cool evenings and the lake.
What time are sunrise and sunset in Hallstatt in May?
Hallstatt May sunrise is 05:20 and sunset is 20:35, with 15h 15min of daylight.
What's the air quality like in Hallstatt in May?
Hallstatt May air quality (AQI) averages 34, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Hallstatt in May?
In May, Hallstatt is great for Lake-boat rides, Dachstein cable car, ice caves & 5fingers, Lakeshore and Salzberg high-valley walks.
Is May peak season in Hallstatt?
Hallstatt May crowds are busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Hallstatt
View Other Months
Planning a May trip to Hallstatt?
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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.