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Bulgaria - Coast

Sveti Vlas weather in May 2026

Bulgaria - Coast

Sveti Vlas weather in May 2026

 

Day

20 °C

 

Night

10 °C

 

Sea

15 °C

 

Precipitation

40 mm

in month

 

Rainy days

7 days

in month

 

Daylight

14 hours

average

 

Sunshine

8 hours

average

 

Humidity

78 %

 

Day

20 °C

 

Night

10 °C

 

Sea

15 °C

 

Precipitation

40 mm

in month

 

Rainy days

7 days

in month

 

Daylight

14 hours

average

 

Sunshine

8 hours

average

 

Humidity

78 %

Overview: Sveti Vlas
In May in Sveti Vlas, the average air temperature ranges from 20 °C (67 °F) during the day to 10 °C (51 °F) at night. There are 7 days of rain on average, where the rainfall is 40 mm (1.58 in).

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Weather overview for Sveti Vlas

Weather overview

In May in Sveti Vlas, the average air temperature ranges from 20 °C (67 °F) during the day to 10 °C (51 °F) at night. There are 7 days of rain on average, where the rainfall is 40 mm (1.58 in).

Are there good conditions to visit in Sveti Vlas in May?

Sveti Vlas can be visited in May - the weather will be moderate. The temperature of 10 °C (51 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the temperature in Sveti Vlas during the day in May?

In May in Sveti Vlas, the average daily temperatures will be 20 °C (67 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.

What is the sea temperature in May in Sveti Vlas?

The sea will reach 15 °C (59 °F) in Sveti Vlas in May. This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.

Is May part of the wet season in Sveti Vlas?

No, there is no wet season in Sveti Vlas in May - you can expect 7 days of rain during the month.

What is the average number of rainy days in May in Sveti Vlas?

There are 7 days, which are rainy in May in Sveti Vlas, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 24 % days.

What is the air temperature in May in Sveti Vlas at night?

The average night temperature in Sveti Vlas in May is 10 °C (51 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

What is the rainfall intensity in May in Sveti Vlas?

There is precipitation of 40 mm (1.58 in) in Sveti Vlas in May, which means 1 mm (0.05 in) rainfall per day on average.

How many sunny hours can I expect in Sveti Vlas in May?

There is an average length of sunshine of 8 hours per day in May in Sveti Vlas.

How long is the day (from dawn till dusk) in Sveti Vlas in May?

The length of daylight in Sveti Vlas in May is 14 hours.

How windy is it in May in Sveti Vlas?

An average wind scale that can be expected in Sveti Vlas in May is 3.

Is the temperature rising or falling in the course of time in Sveti Vlas in May?

Over the course of May in Sveti Vlas, the temperatures are rising from 17 °C (62 °F) at the beginning of the month to 22 °C (72 °F) at the end of the month.

How does the sea temperature evolve during the month in Sveti Vlas in May?

The sea temperature during May in Sveti Vlas has an increasing tendency from 12 °C (54 °F) at the beginning of the month to 18 °C (64 °F) at the end of the month.

Is Sveti Vlas rainier in May than in June?

No, May in Sveti Vlas is not a rainier month than June.

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