August weather forecast
Rovinj, Croatia

As the final full month of summer, August’s weather continues the trend set by July with persistent high temperatures, while the relative humidity increases slightly compared to the preceding month. The increase in rainfall from 41mm (1.61") in July to 65mm (2.56") in August provides relief from the heat of the midsummer. This month is characterized by lengthy, sun-filled days, providing ample time for exploring the scenic vistas of Rovinj. The advent of September, however, signals the gradual transition of Rovinj's weather from summer to autumn.

Temperature

August is the warmest month of the year in Rovinj, Croatia, registering average temperatures as high as 28.7°C (83.7°F) and as low as 17.2°C (63°F).

Heat index

For August, the heat index is evaluated at a hot 32°C (89.6°F). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In Rovinj, the average relative humidity in August is 70.3%.

Rainfall

In Rovinj, during August, the rain falls for 6.6 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, there are 102.1 rainfall days, and 811mm (31.93") of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Sea temperature

With an average sea temperature of 25.2°C (77.4°F), August is the month with the warmest seawater.
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.

Daylight

The average length of the day in August in Rovinj is 14h and 2min.
On the first day of the month, sunrise is at 05:51 and sunset at 20:32. On the last day of August, in Rovinj, sunrise is at 06:26 and sunset at 19:44 CEST.

Sunshine

The average sunshine in August is 9.8h.

UV index

The average daily maximum UV index in August in Rovinj is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index, 7 in August, converts into the following recommendations:
Deflect overexposure. Sun protection is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! The Sun's UV intensity grows with reflections off sand and water.