July is when
Sunny Beach,
Bulgaria, fully embraces the summer heat. Temperature registers an annual high, climbing to a scorching 29.2°C (84.6°F). Taking the brunt of summer’s heatwave, this month only experiences 28mm (1.1") of rain over five days, marking it as the driest month in the yearly cycle. Extended daylight hours, coupled with the city's sandy beaches and azure Black Sea coastline, offer the perfect summer getaway to tourists worldwide. Despite the intense heat, the city's natural beauty and nightlife continue to attract numerous visitors, making it a busy summer month.
Temperature
During July, the average high-temperature is a still moderately hot 29.2°C (84.6°F), maintaining a close resemblance to that of the preceding month. An average temperature of 19.6°C (67.3°F) is recorded during the nights in July.
Heat index
In July, the average heat index is appraised at a hot 33°C (91.4°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The least humid month in Sunny Beach is July, with an average relative humidity of 71%.
Rainfall
The month with the least rainfall is July, when the rain falls for 5 days and typically collects 28mm (1.1") of precipitation.
Sea temperature
In July, the average sea temperature in Sunny Beach is 24.6°C (76.3°F).
Note: Swimming in 24.6°C (76.3°F) waters may not appeal to those sensitive to cold. Yet, the presence of sunshine, the strength of the wind, and the air temperature can alter this experience. Some might even opt for a wetsuit for added comfort.
Daylight
The average length of the day in July is 14h and 58min.
On the first day of the month, sunrise is at 05:35 and sunset at 20:51. On the last day of July, in Sunny Beach, sunrise is at 06:00 and sunset at 20:30 EEST.
Sunshine
With an average of 11.5h of sunshine, July has the most sunshine of the year in Sunny Beach.
UV index
With an average maximum UV index of 9, July is the month with the highest UV index in Sunny Beach. A UV Index reading of 8 to 10 represents a very high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 9 in July translates into these instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Frequent reapplication of a broad-spectrum SPF 30+ sunscreen is vital every two hours or directly after a swim or an outdoor workout. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.