Bethany Beach, Delaware: vitamin D, best months and travel guide
Quiet family town with a small boardwalk. Best for: families, quiet-stay seekers.
The best months for vitamin D in Bethany Beach are May to September, when a full dose takes about 7 minutes at midday. Too cool from October to April.
Bethany Beach 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 | 8/30 |
| April | Too cold | 6.5 h | 5.9 | 9 min | 18°C | 4/30 |
| May | Good | 7.3 h | 6.5 | 8 min | 22°C | 6/30 |
| June | Excellent | 9.4 h | 7.7 | 7 min | 28°C | 7/30 |
| July | Excellent | 8.6 h | 7.2 | 7 min | 29°C | 5/30 |
| August | Excellent | 7.9 h | 7.0 | 8 min | 29°C | 2/30 |
| September | Good | 6.3 h | 5.5 | 10 min | 24°C | 3/30 |
| October | Too cold | 5.6 h | 4.6 | 12 min | 21°C | 0/30 |
| November | Too cold | 3.1 h | 3.2 | 17 min | 16°C | 4/30 |
| 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 Bethany Beach
Quiet family town with a small boardwalk. A beach season from June to September, with a cool sea at the start. Weekends are busy, and outlet shops are a draw.
In Bethany Beach 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 (0). Midday UV peaks at 7.7 in June.
Popular with families. Bethany Beach is part of what is referred to as "The Quiet Resorts". (Wikivoyage, CC BY-SA 4.0)
More about Delaware · Delaware in June · Best places in June
Questions about Bethany Beach
When is the best time to visit Bethany Beach for vitamin D?
The best months for vitamin D in Bethany Beach are May to September, when a full dose takes about 7 minutes at midday.
What is the weather like in Bethany Beach?
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 Bethany Beach?
For a beach stay, avoid the months when it is too cool from October to April.