May weather forecast
Sunny Beach, Bulgaria

May ushers in the warmth of summer in Sunny Beach, Bulgaria, with temperatures gradually climbing up and making it ideal for outdoor activities. The balmy month of May sees a substantial rise in temperature, reaching up to a warming 22.4°C (72.3°F). Rainfall recedes to 50mm (1.97") and is spread over seven days, indicating the waning of spring showers. The advent of summer brings 14.6 hours of daylight, maximizing daytime activities for tourists who flock to this seaside city. The UV Index also jumps to its peak of the year, at seven, signaling to visitors the need for sun protection during their activities.

Temperature

The onset of May brings a temperature shift, with the average high-temperature moving from an enjoyable 16.2°C (61.2°F) in April to a pleasant 22.4°C (72.3°F). Sunny Beach throughout May, records an average low-temperature of 13.3°C (55.9°F).

Humidity

The average relative humidity in May is 76%.

Rainfall

In Sunny Beach, during May, the rain falls for 7 days and regularly aggregates up to 50mm (1.97") of precipitation. In Sunny Beach, during the entire year, the rain falls for 76 days and collects up to 582mm (22.91") of precipitation.

Sea temperature

In May, the average sea temperature is 15.7°C (60.3°F).
Note: Swimming is not a pleasant activity for most individuals in 15.7°C (60.3°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

In May, the average length of the day is 14h and 38min.
On the first day of May, sunrise is at 06:02 and sunset at 20:09. On the last day of the month, sunrise is at 05:33 and sunset at 20:39 EEST.

Sunshine

In May, the average sunshine is 8.9h.

UV index

In May, the average daily maximum UV index in Sunny Beach is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: During May, 7 as the daily maximum UV index converts into the following advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.