The season goes from April to November. In that time air from spring 10-20 C°, in summer up to 30 C° and autumn 10-16 C°. Water spring 8-13 C°, summer 18-23 C°, autumn 8-14 C°. You always need a wetsuit. You can go out off-season but it will be very cold, a thick wetsuit or better drysuit, mask, shoes and gloves recommended.
From E45 take exit no.75 (Kruså), then onto 8 towards Sønderburg until Broager. Just after Broager turn right into Dyntvej until you reach Dynt. Turn left and take Gammelmark and follow it all the way to the camping ground. At the end of the street park on the visitors parking lot directly at the beach.