Climate Overview
Vienna has an oceanic climate with warm 26–28°C summers and cold 4°C winters dipping below freezing at night. Rain is modest (32–87mm monthly), peaking in May (87mm); autumn fog and winter humidity both climb to 80%+. May–Sep delivers beer-garden weather; Dec adds Christmas-market magic to the cold.
Monthly Climate
Temperature range, rainfall, and humidity by month
Monthly Data
| Month | High | Low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 4.9° | -1.4° | 12mm | 84% |
| Feb | 5.3° | -1.8° | 3mm | 72% |
| Mar | 13.7° | 2.5° | 70mm | 71% |
| Apr | 17.7° | 6.9° | 25mm | 65% |
| May | 18.9° | 8.5° | 53mm | 59% |
| Jun | 27.5° | 15.2° | 55mm | 53% |
| Jul | 26.2° | 15.9° | 97mm | 65% |
| Aug | 27° | 15.1° | 65mm | 58% |
| Sep | 21.8° | 12.4° | 65mm | 75% |
| Oct | 14.7° | 6.6° | 35mm | 76% |
| Nov | 8.1° | 1.6° | 46mm | 85% |
| Dec | 4.5° | 0.2° | 24mm | 89% |
When to Visit
Experiences to seek out and peak periods to plan around
Experiences & Highlights
Over 450 balls during Fasching peak with the Vienna Opera Ball at the Staatsoper on the last Thursday before Lent; expect 0–8°C highs and frequent 80%+ humidity, so plan taxis between venues.
Vienna Philharmonic's 1 January concert at the Musikverein anchors a week where the Silvesterpfad street festival rings in the New Year across the Innere Stadt at 0–5°C highs.
Europe's largest free open-air music festival runs three days on the Danube Island in late June; 26°C average highs and low-60s humidity make riverside stages comfortable into the night.
Mid-November through 26 December: Rathausplatz, Schönbrunn and Spittelberg markets serve Glühwein against 5–9°C highs; December is the driest winter month (~50mm) but humidity sits near 83%.
Peak Periods & Travel Advisories
Rathausplatz and Spittelberg draw 3M+ visitors across six weeks; hotels book out weekends and rates climb 30–50%. Reserve central accommodation 2+ months ahead.
Carnival balls plus the Opera Ball drive demand for central hotels and formalwear rentals; cold 4–8°C days funnel crowds into Kaffeehäuser and museums.
Donauinselfest, Musikfilm Festival and Impulstanz overlap with 27–28°C average highs and occasional 35°C+ days; Schönbrunn and Hofburg ticket queues run longest mid-afternoon, and many trams and older hotels lack AC.
Official Resources
Government portals and tourism boards for Vienna, Austria