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Sunny Beach Weather in May, Bulgaria

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  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

    Temperature

    17°C
    63°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

    21°C
    70°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

    12°C
    54°F
  • What is Average Day Temperature?
    The average temperature recorded between sunrise and sunset

    Day Temperature

    17°C
    64°F
  • What is Average Night Temperature?
    The average temperature recorded between sunset and sunrise

    Night Temperature

    16°C
    61°F
  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

    16°C
    61°F
  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    8 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    6 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall

    42 mm

May, 2025

Sun
Mon
Tue
Wed
Thu
1 Avg 13Âș 55Âș
Fri
2 Avg 14Âș 57Âș
Sat
3 Avg 15Âș 59Âș
4 Avg 15Âș 59Âș
5 Avg 15Âș 59Âș
6 Avg 15Âș 59Âș
7 Avg 15Âș 59Âș
8 Avg 16Âș 61Âș
9 Avg 15Âș 59Âș
10 Avg 16Âș 61Âș
11 Avg 16Âș 61Âș
12 Avg 16Âș 61Âș
13 Avg 17Âș 63Âș
14 Avg 18Âș 64Âș
15 Avg 17Âș 63Âș
16 Avg 17Âș 63Âș
17 Avg 17Âș 63Âș
18 Avg 17Âș 63Âș
19 Avg 17Âș 63Âș
20 Avg 17Âș 63Âș
21 Avg 17Âș 63Âș
22 Avg 17Âș 63Âș
23 Avg 19Âș 66Âș
24 Avg 17Âș 63Âș
25 Avg 17Âș 63Âș
26 Avg 18Âș 64Âș
27 Avg 16Âș 61Âș
28 Avg 17Âș 63Âș
29 Avg 18Âș 64Âș
30 Avg 18Âș 64Âș
31 Avg 18Âș 64Âș
Forecast
Avg Historical Daily Average

What's the Weather Like in Sunny Beach in May

Temperature

May is a wonderful time to visit this region of Bulgaria, with a very pleasant average temperature of 17°C, even reaching a high of 21°C during the hottest times of the month. Indeed, the average low is only around 12°C, which certainly tells you that summer is beginning to arrive.

Sunshine

You can also tell that May marks the start of the summer season by the average of 12 hours of sun experienced per day during this time of year

Sea Temperature

If you enjoy water-sports and swimming, the good news is that the Black Sea is finally beginning to warm up, with a May water temperature average of around 16°C.

Rain

If you're worried about rain, this isn't the biggest problem in May, as there is no major spike in rainfall, staying at a typical level as for the rest of the year, with an average of 42mm, affecting 6 days during the month of May.

May is the ideal time to visit the major tourist attractions in and around Sunny Beach, before the major crowds and heat arrive in the coming few months.

If you're looking for a weather forecast for Sunny Beach, you are advised to visit this page.

Hotels for Sunny Beach in May

Tiara Beach

Tiara Beach is another great all-inclusive option, which is just 100m from the beach itself, as well as offering close proximity to the tourist train, which is a great fun way to get around.

Royal Castle

You could also look at Royal Castle, which offers several board options, with an on-site Italian restaurant, a winery, and a garden bar for your evening's entertainment.

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Beaches for May for Sunny Beach

Cacao Beach

Cacao Beach in the centre of Sunny Beach is the place to be when summer arrives, and with 8km of fine sand, with a few natural sand dunes here and there, this is the centre-point of daily life in resort. There are many restaurants and bars around, as well as watersports to enjoy, such as water skiing, banana boats, parasailing, etc.

Restaurants and Bars for Sunny Beach in May

Lapa Lapa

If you're planning on heading out and experiencing the bright lights of Sunny Beach's nightlife then you need to line your stomach first, and you have plenty of options to choose from. If you love a good steak then you should certainly head to Lapa Lapa. With a varied menu to suit most palates there is plenty to choose from, however the restaurant is particularly famous for its steak dishes.

Khan's Tent

You might be wanting to enjoy entertainment and a meal and in that case Khan's Tent is a hugely popular night out. This is a dinner and show event, with a variety show and live band every night whilst you eat your meal. Food and drinks are very reasonably priced, and you will probably find that your holiday rep sells tickets for this establishment, which shows you how popular it is.

Things to Do in Sunny Beach in May

Freestyle Wakeboard Spot

There are several beaches around Sunny Beach, including the main sweeping stretch of sand, and it's an ideal opportunity to enjoy some water-sports. Freestyle Wakeboard Spot is for you if you fancy trying something new, with experienced instructors on hand to help you out. Alternatively, there are parasailing, jetskiing, and diving opportunities on the main beach at Cacao.

Catamaran Cruise

For something a little different you could head out onto the Black Sea itself and enjoy the resort from a different viewpoint by taking part in a catamaran cruise. You'll find several companies all offering various different tours, including moonlight trips if you fancy something a little more romantic!

Action Aquapark

With all this being said however, without a doubt the most popular activity in Sunny Beach during the summer months is Action Aquapark. This is a favourite with kids and big kids alike and is the best option for a family day out. This is a large park with several pools and slides, entertainment, and food options on-site, and is certainly there for a full day out. The perfect way to tire out the little ones!

Sunny Beach Events May

Public Hoilday


1 May 2026
1 May 2026

Labour Day 🗓

Labour Day is a national holiday in Bulgaria, marking workers’ rights and spring renewal. In Sunny Beach, the day brings festive parades, music, and cultural programs along the coast. Tourists can enjoy concerts, beach activities, and special hotel offers. The event provides a May experience blending tradition, relaxation, and seaside celebration.


6 May 2026
6 May 2026

St. George’s Day (Gergyovden) 🗓

St. George’s Day, one of Bulgaria’s most important holidays, celebrates spring and fertility. Locals enjoy lamb feasts, folk dances, and outdoor picnics. Sunny Beach hosts special menus in restaurants and cultural showcases. The event provides a May experience blending food, folklore, and a festive coastal atmosphere.


Religious


2 May 2026
2 May 2026

Saint Athanasius's Day 🛐

Saint Athanasius’s Day celebrates the saint known as a defender of Christian faith. In Bulgaria, church services, blessings, and village festivities mark the occasion. Sunny Beach hosts small ceremonies and cultural evenings. The event provides a May experience blending spirituality, community, and Bulgarian tradition in a coastal resort atmosphere.


Gardening


30 May 2026
31 May 2026

Rose Festival (Kazansk) đŸȘŽ

Though centered in the Valley of Roses, the Rose Festival is celebrated across Bulgaria with markets, dances, and floral displays. Sunny Beach joins with rose-themed decorations, craft fairs, and tastings of rose-infused products. The event provides a May experience blending tradition, fragrance, and festive coastal beauty.