May weather forecast
Nessebar, Bulgaria

Nessebar experiences an undeniable shift towards summer in May. Weather patterns during this month illustrate an increase in daylight hours and a decrease in rainfall compared to earlier months. Notably warmer than its spring counterpart April, May sees an amplification in temperature and an even warmer sea surface. This month is ideal for sunbathing and enjoying the mild weather. As Nessebar proceeds further into the calendar year, the city's weather conditions in May exemplify warmer temperatures and elongated sunlight hours, heralding the start of the summer season.

Temperature

Nessebar's transition into May is marked by a temperature shift, moving from a moderate 15°C (59°F) in April to a pleasant 20°C (68°F). The average temperature in Nessebar during May nights dips to a fresh 11°C (51.8°F).

Rainfall

In Nessebar, in May, it is raining for 7 days, with typically 48mm (1.89") of accumulated precipitation. In Nessebar, Bulgaria, during the entire year, the rain falls for 76 days and collects up to 566mm (22.28") of precipitation.

Sea temperature

In Nessebar, the average seawater temperature in May is 15°C (59°F).
Note: When the surface water temperature is 15°C (59°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).

Daylight

The average length of the day in May in Nessebar, Bulgaria, is 14h and 38min.
On the first day of the month, sunrise is at 06:02 and sunset at 20:09. On the last day of May, sunrise is at 05:34 and sunset at 20:39 EEST.

Sunshine

The average sunshine in May in Nessebar is 8h.

UV index

In Nessebar, Bulgaria, the average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.