Climate
Vienna weather, month by month
Vienna sits where the Alps give way to the Pannonian plain, and its climate shows both: cold, often grey winters with little sun, hot summers that now bring regular heatwaves, and a long, mild September that is the best month of the year. The table below uses the official 1991–2020 climate normals measured at the Hohe Warte station — the city's reference weather station — so you can plan against what Vienna actually does rather than what a photograph suggests.
The year in figures
| Month | Avg high | Avg low | Rain | Sunshine | Crowds | Prices |
|---|---|---|---|---|---|---|
| January | 3.5°C | -1.3°C | 42 mm | 70 h | Quiet | Cheapest |
| February | 6.5°C | -0.5°C | 38 mm | 105 h | Quiet | Moderate |
| March | 10.7°C | 2.6°C | 52 mm | 155 h | Moderate | Cheapest |
| April | 17.2°C | 6.7°C | 42 mm | 217 h | Moderate | Moderate |
| May | 20.7°C | 10.7°C | 79 mm | 248 h | Busy | High |
| June | 25.1°C | 14.7°C | 70 mm | 261 h | Busy | High |
| July | 26.4°C | 15.9°C | 78 mm | 274 h | Peak | High |
| August | 26.1°C | 15.6°C | 69 mm | 266 h | Busy | Moderate |
| September | 21.1°C | 12°C | 64 mm | 192 h | Busy | High |
| October | 14.3°C | 7.3°C | 47 mm | 130 h | Busy | High |
| November | 8.8°C | 3.7°C | 46 mm | 68 h | Moderate | Moderate |
| December | 4°C | -0.4°C | 47 mm | 57 h | Peak | Highest |
Official climate normals 1991–2020, measured at the Hohe Warte station (19th district). Highs and lows are means of the daily maximum and minimum; snow is the monthly total of new snow. Source: GeoSphere Austria / City of Vienna — Wien-Hohe Warte 1991–2020 (CC-BY 4.0)
Every month in detail
The quietest, best-value month — and the start of the ball season, when Vienna is most itself.
Quiet
Still cold and still quiet — except for Opera Ball week, when the city's grandest hotels fill for one night.
Quiet
Winter prices with spring on the way. Late March, and Easter in 2027, are the better bet.
Moderate
The city turns green and the Heurigen start opening their gardens — spring at a fair price.
Moderate
One of the two best months of the year: long light, garden terraces and the Festwochen.
Busy
Long evenings, free open-air music and Pride — the most festive month of the Viennese summer.
Busy
The warmest month and the busiest — magnificent in the evenings, hard work at midday.
Peak
Hot, slower and a little cheaper than July — a summer city holiday rather than a cultural one.
Busy
The best month of the year: summer warmth, the music season back, and the vineyards at harvest.
Busy
Golden vineyards, the Long Night of Museums and the Viennale — autumn at its most cultured.
Busy
Grey skies, fair prices and the markets opening early — Vienna's Advent starts here, not in December.
Moderate
The most atmospheric and most expensive month — worth it, if you book early and pick your markets.
Peak
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Questions about the weather
What is the hottest month in Vienna?
July is the warmest, with an average daily high of 26.4°C and an average low of 15.9°C (official 1991–2020 normals, Hohe Warte station). Recent summers have often run hotter than that average, with heatwaves above 30°C.
How cold does Vienna get in winter?
January is the coldest month, with an average daily high of 3.5°C and an average low of -1.3°C. Nights below freezing are normal, and between December and February an average of roughly 11 to 16 cm of new snow falls each month — though it rarely lies for long in the city.
When does it rain most in Vienna?
May is the wettest month at 79 mm on average, closely followed by July. Summer rain mostly arrives as short showers and afternoon thunderstorms; winter brings less precipitation but more overcast days.
Which is the sunniest month in Vienna?
July, with around 274 hours of sunshine. At the other end, December and January get under 75 hours, which is why a winter trip to Vienna is built around the coffee houses, the museums, the opera and, in season, the Christmas markets.
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