Sveti Vlas Weather in April
April in Sveti Vlas brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 8°C (46°F). Expect around 48 mm (1.9 in) of rainfall during the month.
Rainfall in Sveti Vlas in April
On average, there are about 8 days with rain during this month, averaging 48 mm (1.9 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Sveti Vlas in April
April in Sveti Vlas brings moderate temperatures, with highs of 15°C (59°F) and nights around 8°C (46°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Sveti Vlas in April
You can expect a moderate amount of sunlight, with approximately 185 hours. This means a pleasant mix of sun and overcast.
Average water temperature in April
The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.Should you favor a climate that's both dry and comfortably warm, May, June, July, August and September typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sveti Vlas's climate page.
Sveti Vlas Temperature in April
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Water Temperature
11°C (52°F) *
Chance of Rain
26%
Precipitation
48 mm (1.9 in)
Rainy days
8 days
Humidity
76% *
Sunshine
185 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Sveti Vlas typically rise from around 14°C (57°F) at the start of April to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 9°C (48°F).
Average temperatures in April
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Sveti Vlas in April
Browse day-by-day weather records for Sveti Vlas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sveti Vlas historical weather extremes in April
Based on 29 years of weather observations in Sveti Vlas between 1997 and 2026, these are the recorded extremes.
- Sveti Vlas recorded its highest April temperature of 29°C (84°F) on April 15, 2024.
- The lowest daytime temperature in April was 3°C (37°F), recorded on April 14, 1997.
- The coldest night in April in Sveti Vlas was on April 8, 2003, with a minimum of -4°C (25°F).
Best Places in Bulgaria in April
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria in April →
perfect weather
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What to Wear in Sveti Vlas in April
The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 11°C (52°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Sveti Vlas in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Bulgaria, check out our Sveti Vlas's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Sveti Vlas climate overview or explore weather in Bulgaria.
