Weather in Vienna

Rain is wet season runs from May to August, inside an annual total of 737 mm. The wettest month is June at 91 mm; the driest is February at 38 mm.

Vienna is in Austria at 48.2°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing. July is the warmest month (average 20.7°C, high 26.3°C) and January is the coolest (average -1.2°C, low -4.5°C). On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August.

Temperature through the year

The heat peaks in July, when the typical afternoon is 26.3°C. The opposite pole is January, when mornings average -4.5°C.

Across the year the mean afternoon high is 14.5°C. If you want the smallest day–night shock, look at months where the high and low sit close together; July nights still hold 15.1°C.

Rain through the year

The wet season in Vienna starts in May and ends in August (May, June, July, and August). June is the core of it at 91 mm. February is the other extreme, with 38 mm.

Humidity peaks near 90%. That usually lines up with the wetter months rather than the hottest ones.

Distinctive months in Vienna

The year bottoms out in January. Plan for -4.5°C at night and 2.0°C in the afternoon. February is the driest month, averaging only 38 mm across 9 rainy days. Highs sit near 4.2°C. March brings 46 mm and 9 rainy days; temperatures run from -0.3°C to 9.4°C. In April, Vienna averages 15.5°C by day and 4.2°C at night, with 41 mm of rain. The wet season opens in May. Expect 85 mm and 16 rainy days, with nights around 8.9°C. June is the wettest month — 91 mm and 15 rainy days, with 67% humidity.

Peak heat arrives in July: 26.3°C by day, 15.1°C at night, and 64% humidity. August closes the wet season: 87 mm over 13 rainy days, then the calendar dries. September: 20.6°C high, 10.0°C low, 79 mm rain, 71% humidity. October brings 54 mm and 9 rainy days; temperatures run from 5.4°C to 15.1°C. November stands apart from the months beside it: 8.6°C / 1.5°C and 45 mm. December: 3.1°C high, -3.0°C low, 43 mm rain, 90% humidity.

When the score favours a visit

The three months with the highest comfort score are June, July, and August: June (18.6°C average, 91 mm, 67% humidity); July (20.7°C average, 88 mm, 64% humidity); August (20.5°C average, 87 mm, 65% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at May–August instead of the score.

Vienna and other cities in Austria

Vienna is the only Austria city in this dataset, so the figures on this page are the national sample we publish. They still come from the same NASA POWER daily series (2001–2020) used everywhere else on the site.