Fenwick Island, Delaware: vitamin D, best months and travel guide
Quiet beach town on the Maryland line. Best for: families, quiet-stay seekers.
The best months for vitamin D in Fenwick Island are June to September, when a full dose takes about 7 minutes at midday. Too cool from October to May.
Fenwick Island month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Too cold | 1.7 h | 2.4 | – | 8°C | 8/30 |
| February | Too cold | 3.6 h | 3.5 | 15 min | 9°C | 5/30 |
| March | Too cold | 5.1 h | 4.5 | 12 min | 13°C | 7/30 |
| April | Too cold | 6.5 h | 5.9 | 9 min | 18°C | 5/30 |
| May | Too cold | 7.3 h | 6.5 | 8 min | 22°C | 5/30 |
| June | Excellent | 9.4 h | 7.7 | 7 min | 29°C | 4/30 |
| July | Excellent | 8.6 h | 7.2 | 7 min | 29°C | 3/30 |
| August | Excellent | 7.9 h | 7.0 | 8 min | 28°C | 2/30 |
| September | Good | 6.3 h | 5.5 | 10 min | 24°C | 2/30 |
| October | Too cold | 5.6 h | 4.6 | 12 min | 22°C | 1/30 |
| November | Too cold | 3.1 h | 3.2 | 17 min | 17°C | 5/30 |
| December | Too cold | 1.7 h | 2.5 | 21 min | 9°C | 5/30 |
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 Fenwick Island
Quiet beach town on the Maryland line. A beach season from June to September, with a cool sea at the start. Weekends are busy, and outlet shops are a draw.
In Fenwick Island afternoon highs average from 8°C in January to 29°C in July. The wettest month is January (about 8 rainy days out of 30) and the driest is October (1). Midday UV peaks at 7.7 in June.
More about Delaware · Delaware in June · Best places in June
Questions about Fenwick Island
When is the best time to visit Fenwick Island for vitamin D?
The best months for vitamin D in Fenwick Island are June to September, when a full dose takes about 7 minutes at midday.
What is the weather like in Fenwick Island?
Afternoon highs average from 8°C in January to 29°C in July. The wettest month is January, with about 8 rainy days out of 30.
Which months should I avoid in Fenwick Island?
For a beach stay, avoid the months when it is too cool from October to May.