May weather forecast
Hel, Poland

In terms of favorable weather conditions, May ranks among the best months to visit Hel, Poland. As the region transitions into peak spring, the townscape further comes alive with enhanced daylight hours, warmer sea temperatures, and blooming greenery both within and outside the city. A noticeable rise in average temperatures from 6.2°C (43.2°F) to 15°C (59°F) sets it apart from the preceding cooler months. Despite increased rainfall, the extended sunbathing and daylight hours provide ample opportunity to explore the city's various attractions. A visit in May usually translates into reasonably warm days and chilly evenings.

Temperature

A shift in the average high-temperature is noticeable in May in Hel, changing from a chilly 9.4°C (48.9°F) in April to a refreshing 15°C (59°F). In May, the nighttime temperature in Hel, Poland, lowers to an average of 6.2°C (43.2°F).

Rainfall

In Hel, in May, it is raining for 7.7 days, with typically 43mm (1.69") of accumulated precipitation. In Hel, during the entire year, the rain falls for 107.6 days and collects up to 574mm (22.6") of precipitation.

Sea temperature

In Hel, in May, the average water temperature is 10°C (50°F).
Note: Swimming in 10°C (50°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation.

Daylight

In May, the average length of the day in Hel is 16h and 6min.
On the first day of the month, sunrise is at 05:04 and sunset at 20:19. On the last day of May, sunrise is at 04:16 and sunset at 21:09 CEST.

Sunshine

In Hel, Poland, the average sunshine in May is 7.6h.