Colonia del Sacramento, Uruguay: vitamin D, best months and travel guide
UNESCO old town of cobbled lanes on the river. Best for: couples, day-trippers.
The best months for vitamin D in Colonia del Sacramento are October to March, when a full dose takes about 6 minutes at midday. Too cool from April to September.
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Colonia del Sacramento month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 9.0 h | 8.6 | 6 min | 29°C | 9/30 |
| February | Excellent | 8.3 h | 7.9 | 7 min | 29°C | 10/30 |
| March | Good | 7.1 h | 6.6 | 8 min | 26°C | 13/30 |
| April | Too cold | 4.1 h | 4.1 | 13 min | 21°C | 13/30 |
| May | Too cold | 3.0 h | 3.2 | 17 min | 15°C | 7/30 |
| June | Too cold | 2.2 h | 2.6 | 21 min | 17°C | 7/30 |
| July | Too cold | 3.7 h | 3.4 | 16 min | 13°C | 2/30 |
| August | Too cold | 3.7 h | 3.5 | 15 min | 15°C | 9/30 |
| September | Too cold | 6.4 h | 5.7 | 9 min | 20°C | 3/30 |
| October | Excellent | 7.3 h | 6.8 | 8 min | 23°C | 6/30 |
| November | Excellent | 8.5 h | 8.0 | 7 min | 26°C | 9/30 |
| December | Excellent | 9.2 h | 8.7 | 6 min | 25°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 Colonia del Sacramento
UNESCO old town of cobbled lanes on the river. A beach season from December to March, with cool and windy weather in other months. Punta del Este gets very busy in January. Prices are high for South America.
In Colonia del Sacramento afternoon highs average from 13°C in July to 29°C in February. The wettest month is March (about 13 rainy days out of 30) and the driest is July (2). Midday UV peaks at 8.7 in December, which is very strong, so protect your skin.
More about Uruguay · Uruguay in December · Best places in December
Questions about Colonia del Sacramento
When is the best time to visit Colonia del Sacramento for vitamin D?
The best months for vitamin D in Colonia del Sacramento are October to March, when a full dose takes about 6 minutes at midday.
What is the weather like in Colonia del Sacramento?
Afternoon highs average from 13°C in July to 29°C in February. The wettest month is March, with about 13 rainy days out of 30.
Which months should I avoid in Colonia del Sacramento?
For a beach stay, avoid the months when it is too cool from April to September.