August weather forecast
Varna, Bulgaria

The last month of the summer, August, is another warm month in Varna, Bulgaria, with average temperature ranging between max 27.9°C (82.2°F) and min 17.1°C (62.8°F).

Temperature

August is the warmest month, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 17.1°C (62.8°F).

Heat index

In August, the average heat index is computed to be a tropical 30.4°C (86.7°F). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (pregnancy, differences in body mass, height, and shape, wind). Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

August is the least humid month in Varna, with an average relative humidity of 69.4%.

Rainfall

In Varna, during August, the rain falls for 3.3 days and regularly aggregates up to 41.4mm (1.63") of precipitation. Throughout the year, in Varna, there are 103.6 rainfall days, and 540.3mm (21.27") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 24.8°C (76.6°F), August is the month with the warmest seawater.
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24.8°C (76.6°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Varna, the average length of the day is 13.9h.

Sunshine

July and August, with an average of 9.7h of sunshine, are months with the most sunshine in Varna.

UV index

In August, the average daily maximum UV index in Varna is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.