Vienna or Prague in May?
In May, Vienna and Prague are overall neck and neck — it comes down to your priorities.
ViennaPhoto: Ninanuri · CC BY 2.5
PraguePhoto: Lucas Garron · CC0Key figures in May
| Criterion | Vienna | Prague |
|---|---|---|
| Average daily high | 20 °C | 19 °C |
| Average daily low | 9 °C | 8 °C |
| Rainy days | 15 rainy days (est.) | 13 rainy days (est.) ★ |
| Sun | 7 h/day ★ | 6 h/day |
| Humidity | 70 % | 72 % |
Winner by travel type
Vienna or Prague in May: the short answer
In May, Vienna and Prague are essentially level on the overall climate score (both around 67/100). The decision comes down to the individual criteria below.
This comparison focuses on May as a representative month for the pair; for any other month, use each destination's month-by-month pages. Across the whole year Vienna averages a climate score of 56/100, Prague 55/100. Both profiles below are historical monthly averages, not a forecast.
Weather in May, side by side
The average daily high is about 20 °C in Vienna and 19 °C in Prague — warmer in Vienna. Average daily lows are around 9 °C versus 8 °C.
On rain, Vienna sees about 15 rainy days in May and Prague about 13 — drier in Prague. Vienna gets more sunshine (7 vs 6 hours a day).
Rain and sun across the year
Over a full year Vienna records roughly 133 rainy days and Prague about 132 — the drier of the two overall is Prague. At their sunniest, Vienna reaches about 7 hours of sun a day (June) and Prague about 7 (June). If dependable dry, sunny weather is your top priority, weigh these annual totals alongside the single month above.
Best time to visit each
Climatically, Vienna is at its best in June, July, August and September, while Prague peaks in June, July, August and September. If your dates are fixed, pick the destination whose strong season overlaps them; if you are flexible, plan around these windows.
Which suits which kind of trip
Based on the May scores for each travel style:
City breaks: Prague scores higher in May (Vienna 78 vs Prague 79).
Active & hiking: Prague scores higher in May (Vienna 75 vs Prague 76).
Family: Vienna scores higher in May (Vienna 51 vs Prague 49).
Verdict: which should you pick?
There is no single winner — it depends on your month and your priority. For May specifically, use the head-to-head above; over the year, Vienna carries the slightly higher overall climate score. Choose Vienna if its strong months and profile match your plan, Prague if its do. The month-by-month pages for each destination give you the full picture before you book.