April weather forecast
Sunny Beach, Bulgaria

April in Sunny Beach, Bulgaria, marks the transition from spring to early summer, with weather conditions becoming noticeably warmer. With temperatures soaring as high as 16.2°C (61.2°F), it becomes the first month of the year to cross the 15°C (59°F) mark on the mercury scale. Amid the warming temperatures, April receives the highest rainfall of the year, with 70mm (2.76") over eight days, indicating a stronger presence of spring showers. Days are longer, allowing for extensive exploration of the seaside city’s numerous attractions. The increasing warmth of the sea also starts to attract tourists, signaling the onset of the holiday season.

Temperature

April's arrival signals a subtle increase in average high-temperatures, moving from March's cool 11.7°C (53.1°F) to a refreshing 16.2°C (61.2°F). The low-temperature averages to a chilly 8°C (46.4°F) during the nights of April.

Humidity

In April, the average relative humidity in Sunny Beach, Bulgaria, is 76%.

Rainfall

The month with the most rainfall is April, when the rain falls for 8 days and typically aggregates up to 70mm (2.76") of precipitation.

Sea temperature

In April, the average sea temperature in Sunny Beach is 9.8°C (49.6°F).
Note: With the appropriate swimsuit, one can swim in 9.8°C (49.6°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.

Daylight

In Sunny Beach, the average length of the day in April is 13h and 24min.
On the first day of the month, sunrise is at 06:50 and sunset at 19:35. On the last day of April, in Sunny Beach, sunrise is at 06:04 and sunset at 20:08 EEST.

Sunshine

In April, the average sunshine is 6.1h.

UV index

In Sunny Beach, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 5 translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.