Vienna Climate — Average Highs, Lows & Rainfall by Month
Vienna has a temperate climate with four distinct seasons. Daytime temperatures average 28°C / 82°F in July, the warmest month, and drop to 5°C / 41°F in January, the coldest. Overnight lows in January average -1°C / 30°F. Vienna receives about 690 mm of rain a year across roughly 117 wet days, with September the wettest month.
Averages for 2021–2025 · Open-Meteo Historical Weather API (ERA5 reanalysis) · Updated 2026-10-05
Monthly averages in Vienna
Average daytime high, overnight low and rainfall for each month of the year.
| Month | Avg high | Avg low | Rainfall | Wet days |
|---|---|---|---|---|
| January | 5°C / 41°F | -1°C / 30°F | 41 mm | 10 |
| February | 8°C / 46°F | 1°C / 34°F | 29 mm | 8 |
| March | 12°C / 54°F | 2°C / 36°F | 35 mm | 6 |
| April | 15°C / 59°F | 6°C / 42°F | 62 mm | 11 |
| May | 20°C / 68°F | 10°C / 51°F | 67 mm | 13 |
| June | 26°C / 79°F | 16°C / 60°F | 70 mm | 11 |
| July | 28°C / 82°F | 18°C / 64°F | 70 mm | 10 |
| August | 27°C / 80°F | 17°C / 63°F | 75 mm | 10 |
| September | 22°C / 72°F | 13°C / 55°F | 102 mm | 10 |
| October | 16°C / 61°F | 8°C / 47°F | 42 mm | 8 |
| November | 9°C / 48°F | 3°C / 37°F | 50 mm | 9 |
| December | 5°C / 41°F | 0°C / 33°F | 49 mm | 11 |
Best time to visit Vienna
May, July, June offer the most comfortable weather in Vienna: mild daytime temperatures with the year's lowest rainfall — May averages 20°C (68°F); July averages 28°C (82°F); June averages 26°C (79°F).
Vienna climate FAQ
- What is the hottest month in Vienna?
- July is the hottest month in Vienna, with average daytime highs of 28°C / 82°F and overnight lows of 18°C / 64°F (averages for 2021–2025).
- What is the coldest month in Vienna?
- January is the coldest month in Vienna, with average highs of 5°C / 41°F and lows of -1°C / 30°F.
- How much rain does Vienna get a year?
- Vienna receives about 690 mm of rainfall a year, spread over roughly 117 wet days. September is the wettest month (102 mm on average) and February the driest (29 mm).
- When is the best time to visit Vienna?
- May, July, June are the most comfortable months in Vienna: mild daytime temperatures with the least rainfall of the year.
Want today's conditions instead of averages?
See live weather in Vienna →Source: Open-Meteo Historical Weather API (ERA5 reanalysis), Open-Meteo. Averages are daily means across 2021–2025 and are rounded for display — for a live forecast see the Vienna weather page.