Assateague Island, Maryland: vitamin D, best months and travel guide
Wild horses on a quiet beach. Best for: nature lovers, campers.
The best months for vitamin D in Assateague Island are June to September, when a full dose takes about 7 minutes at midday. Too cool from October to May.
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Assateague Island month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Too cold | 1.9 h | 2.5 | 21 min | 9°C | 9/30 |
| February | Too cold | 3.8 h | 3.6 | 15 min | 9°C | 6/30 |
| March | Too cold | 5.4 h | 4.7 | 11 min | 14°C | 10/30 |
| April | Too cold | 6.7 h | 6.0 | 9 min | 18°C | 5/30 |
| May | Too cold | 7.5 h | 6.4 | 8 min | 21°C | 6/30 |
| June | Excellent | 9.1 h | 7.6 | 7 min | 28°C | 3/30 |
| July | Excellent | 8.5 h | 7.4 | 7 min | 28°C | 6/30 |
| August | Excellent | 7.9 h | 7.1 | 8 min | 27°C | 7/30 |
| September | Good | 6.2 h | 5.6 | 10 min | 24°C | 4/30 |
| October | Too cold | 5.6 h | 4.7 | 11 min | 21°C | 1/30 |
| November | Too cold | 3.3 h | 3.2 | 17 min | 16°C | 6/30 |
| December | Too cold | 1.8 h | 2.6 | 21 min | 9°C | 4/30 |
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 Assateague Island
Wild horses on a quiet beach. A beach season from June to September, a cool sea early in summer and busy weekends. Crab feasts are a local tradition.
In Assateague Island afternoon highs average from 9°C in January to 28°C in June. The wettest month is March (about 10 rainy days out of 30) and the driest is October (1). Midday UV peaks at 7.6 in June.
A beautiful national park of a barrier island, populated by wild ponies (Wikivoyage, CC BY-SA 4.0)
More about Maryland · Maryland in June · Best places in June
Questions about Assateague Island
When is the best time to visit Assateague Island for vitamin D?
The best months for vitamin D in Assateague Island are June to September, when a full dose takes about 7 minutes at midday.
What is the weather like in Assateague Island?
Afternoon highs average from 9°C in January to 28°C in June. The wettest month is March, with about 10 rainy days out of 30.
Which months should I avoid in Assateague Island?
For a beach stay, avoid the months when it is too cool from October to May.