Wonsan Weather in May

Wonsan in May sees pleasant temperatures, with highs around 21°C (70°F) and overnight lows of 11°C (52°F). Rainfall is fairly high at around 104 mm (4.1 in) on average, so pack waterproofs just in case.

Rainfall in Wonsan in May

On average, there are about 9 days with rain during this month, averaging 104 mm (4.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Wonsan in May

In May, Wonsan sees pleasant temperatures, with highs of 21°C (70°F). Nights drop to around 11°C (52°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Wonsan in May

Expect sunny days throughout the month, with an estimated 236 hours of sunshine. This makes it a pleasant time to visit Wonsan.

Average water temperature in May

The water sits at 12°C (54°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

If your ideal day consists of dry skies and pleasant temperatures, May, June, September and October typically offer the best circumstances for Wonsan.