Rovinj, Croatia: vitamin D, best months and travel guide
Pretty Istrian old town on a peninsula. Best for: couples, photographers.
The best months for vitamin D in Rovinj are May to September, when a full dose takes about 8 minutes at midday. Too cool from October to April.
Rovinj month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Too cold | 0.0 h | 1.7 | – | 11°C | 8/30 |
| February | Too cold | 1.4 h | 2.4 | – | 14°C | 11/30 |
| March | Too cold | 3.8 h | 3.5 | 15 min | 16°C | 11/30 |
| April | Too cold | 6.6 h | 5.2 | 10 min | 19°C | 7/30 |
| May | Good | 7.7 h | 5.9 | 9 min | 22°C | 9/30 |
| June | Excellent | 9.2 h | 6.9 | 8 min | 27°C | 5/30 |
| July | Excellent | 9.1 h | 7.0 | 8 min | 31°C | 4/30 |
| August | Good | 8.1 h | 6.3 | 8 min | 32°C | 5/30 |
| September | Good | 5.5 h | 4.7 | 11 min | 25°C | 8/30 |
| October | Too cold | 2.4 h | 3.0 | 18 min | 21°C | 8/30 |
| November | Too cold | 0.7 h | 2.1 | – | 15°C | 4/30 |
| December | Too cold | 0.0 h | 1.6 | – | 11°C | 8/30 |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.
What to expect in Rovinj
Pretty Istrian old town on a peninsula. Mostly pebble and rock beaches, warm summers and the busiest crowds in July and August. The sea is clear and often calm. Prices peak in high summer; June and September are easy to enjoy.
In Rovinj afternoon highs average from 11°C in January to 32°C in August. The wettest month is February (about 11 rainy days out of 30) and the driest is November (4). Midday UV peaks at 7.0 in July.
Questions about Rovinj
When is the best time to visit Rovinj for vitamin D?
The best months for vitamin D in Rovinj are May to September, when a full dose takes about 8 minutes at midday.
What is the weather like in Rovinj?
Afternoon highs average from 11°C in January to 32°C in August. The wettest month is February, with about 11 rainy days out of 30.
Which months should I avoid in Rovinj?
For a beach stay, avoid the months when it is too cool from October to April.