Best places for vitamin D in March
These sea-holiday destinations give the most vitamin D from sun in March, for light to medium skin (type III) at age 30. The ranking uses midday UV, clouds, heat and rain, and leaves out places that are too hot, too cold or in their rainy or storm season.
| # | Country | Best place | Rating | Sun window | Full dose | Afternoon high |
|---|---|---|---|---|---|---|
| 1 | Peru | Lima | Excellent | 8.6 h | 6 min | 26°C |
| 2 | Saint Vincent and the Grenadines | Union Island | Excellent | 8.6 h | 6 min | 27°C |
| 3 | Venezuela | Los Roques Archipelago | Excellent | 8.5 h | 6 min | 27°C |
| 4 | Cape Verde | Santa Maria | Excellent | 8.5 h | 6 min | 26°C |
| 5 | Curaçao | Willemstad | Excellent | 8.4 h | 6 min | 31°C |
| 6 | Aruba | Oranjestad | Excellent | 8.4 h | 6 min | 30°C |
| 7 | Maldives | Addu Atoll | Excellent | 8.5 h | 6 min | 29°C |
| 8 | U.S. Virgin Islands | Charlotte Amalie | Excellent | 8.4 h | 6 min | 26°C |
| 9 | Anguilla | Sandy Ground | Excellent | 8.4 h | 6 min | 26°C |
| 10 | Saint Barthélemy | Colombier | Excellent | 8.4 h | 6 min | 26°C |
| 11 | British Virgin Islands | Jost Van Dyke | Excellent | 8.4 h | 6 min | 26°C |
| 12 | Sint Maarten | Mullet Bay | Excellent | 8.4 h | 6 min | 27°C |
| 13 | Honduras | Utila | Excellent | 8.3 h | 6 min | 28°C |
| 14 | Saint Martin | Grand Case | Excellent | 8.4 h | 6 min | 26°C |
| 15 | Colombia | Santa Marta | Excellent | 8.4 h | 6 min | 32°C |
| 16 | Gambia | Serekunda | Excellent | 8.3 h | 6 min | 31°C |
| 17 | Nicaragua | Popoyo | Excellent | 8.6 h | 6 min | 34°C |
| 18 | Belize | San Pedro Town | Excellent | 8.2 h | 6 min | 27°C |
| 19 | Grenada | Grand Anse Beach | Excellent | 8.5 h | 6 min | 29°C |
| 20 | Turks and Caicos Islands | Salt Cay | Excellent | 8.1 h | 7 min | 26°C |
| 21 | Myanmar | Ngapali | Excellent | 8.3 h | 6 min | 32°C |
| 22 | Saint Lucia | Castries | Excellent | 8.4 h | 6 min | 30°C |
| 23 | Vietnam | Phú Quốc | Excellent | 8.4 h | 6 min | 32°C |
| 24 | Trinidad and Tobago | Pigeon Point | Excellent | 8.6 h | 6 min | 30°C |
| 25 | Barbados | Bathsheba | Excellent | 8.5 h | 6 min | 30°C |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday to make about 1,000 IU of vitamin D.
Not recommended in March
Too hot, too cold, rainy season or peak storm season:
Too hot: Malaysia
Too cold: Spain, Portugal, France, Italy, Greece, Croatia, Montenegro, Albania, Malta, Cyprus, Turkey, Bulgaria, Morocco, Tunisia, Israel, Japan, Australia, New Zealand, Bermuda, California (USA), South Carolina (USA), North Carolina (USA), Georgia (USA), Alabama (USA), Mississippi (USA), Virginia (USA), Maryland (USA), Delaware (USA), New Jersey (USA), New York (USA), Massachusetts (USA), Rhode Island (USA), Maine (USA), Oregon (USA)
Bad weather: Kenya, Tanzania, Mozambique, Mauritius, Seychelles, Madagascar, Cambodia, Singapore, Indonesia, Fiji, French Polynesia, Vanuatu, Samoa, Tonga, Cook Islands, New Caledonia, Palau, Guam, Cayman Islands, Brazil