Viñales, Cuba: vitamin D, best months and travel guide
Tobacco-farm valley of limestone hills. Best for: hikers, culture travellers.
The best months for vitamin D in Viñales are November to May, when a full dose takes about 6 minutes at midday. Rainy or stormy from June to October.
Viñales month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Good | 6.1 h | 5.5 | 10 min | 26°C | 8/30 |
| February | Excellent | 6.7 h | 6.7 | 8 min | 25°C | 8/30 |
| March | Excellent | 7.5 h | 8.0 | 7 min | 29°C | 13/30 |
| April | Excellent | 8.5 h | 8.5 | 6 min | 29°C | 5/30 |
| May | Excellent | 8.8 h | 8.9 | 6 min | 33°C | 9/30 |
| June | Bad weather | 8.1 h | 8.1 | 7 min | 30°C | 26/30 |
| July | Bad weather | 9.1 h | 8.7 | 6 min | 32°C | 20/30 |
| August | Bad weather | 8.5 h | 8.4 | 6 min | 31°C | 26/30 |
| September | Bad weather | 7.9 h | 7.8 | 7 min | 31°C | 25/30 |
| October | Bad weather | 7.2 h | 6.8 | 8 min | 29°C | 20/30 |
| November | Good | 6.3 h | 5.9 | 9 min | 28°C | 8/30 |
| December | Good | 5.6 h | 5.1 | 10 min | 27°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 Viñales
Tobacco-farm valley of limestone hills. A dry season from November to April and a hot, wet season with hurricane risk from June to November. Services and supplies are limited, so bring what you need and cash. The internet is slow.
In Viñales afternoon highs average from 25°C in February to 33°C in May. The wettest month is June (about 26 rainy days out of 30) and the driest is April (5). Midday UV peaks at 8.9 in May, which is very strong, so protect your skin.
A national park in Pinar del Rio province, with mountains and caves; it has the best-developed tourist facilities of Cuba's… (Wikivoyage, CC BY-SA 4.0)
This place is inland, so it does not count towards the country rating.
Questions about Viñales
When is the best time to visit Viñales for vitamin D?
The best months for vitamin D in Viñales are November to May, when a full dose takes about 6 minutes at midday.
What is the weather like in Viñales?
Afternoon highs average from 25°C in February to 33°C in May. The wettest month is June, with about 26 rainy days out of 30.
Which months should I avoid in Viñales?
For a beach stay, avoid the months when it is rainy or stormy from June to October.