Sveti Vlas weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Sveti Vlas in August. Check more long-term weather averages for Sveti Vlas in August before you book your next holiday to Bulgaria in 2025/2026.

  • 26°C maximum daytime temperature in August in Sveti Vlas26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in August in Sveti Vlas4
    4 days with some rainfall
  • 16°C minimum night-time temperature in August in Sveti Vlas16
    16°C min night temperature
  • 14 hours of daylight per day in August in Sveti Vlas14
    14 hours of daylight per day
  • Low heat & humidity in August in Sveti VlasL
    Low heat & humidity
  • 34 mm monthly rainfall in August in Sveti Vlas34
    34 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Sveti Vlas8
    8 (Very High) UV index
  • 25°C sea temperature in August in Sveti Vlas25
    25°C sea temperature

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The August weather guide for Bulgaria (Sveti Vlas) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Sveti Vlas in August?

Daytime temperatures usually reach 26°C in Sveti Vlas in August with low heat and humidity, falling to 16°C at night.

How sunny is it in Sveti Vlas in August?

There are normally 9 hours of bright sunshine each day in Sveti Vlas in August - that's 67% of daylight hours.

How warm is the sea around Sveti Vlas in August?

The average sea temperature around Sveti Vlas in August is 25°C.

Does it rain in Sveti Vlas in August?

There are usually 4 days with some rain in Sveti Vlas in August and the average monthly rainfall is 34mm.

Sveti Vlas August sunrise & sunset times

Browse the sunrise and sunset times for Sveti Vlas in August 2025. Select a month to view Sveti Vlas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:01 19:29
Saturday, 16th August 2025 05:17 19:09
Sunday, 31st August 2025 05:33 18:45

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