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Contents
- The climate of Sunny Beach
- The best time to visit Sunny Beach
- The worst time to visit Sunny Beach
- Spring weather in Sunny Beach
- Summer weather in Sunny Beach
- Autumn weather in Sunny Beach
- Winter weather in Sunny Beach
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
Hotels and buildings along the beautiful Sunny Beach in Bulgaria, with clear blue waters, mountains, and skyline
The climate of Sunny Beach
Sunny Beach, positioned along the eastern shore of Bulgaria, falls under the Köppen climate classification Cfa, indicating a humid subtropical climate without a dry season. Displaying a diverse range of weather features, Sunny Beach experiences variations across different climatic parameters.
Throughout the year, peak temperatures oscillate from 7°C (44.6°F) in January to 29.3°C (84.7°F) in August, indicating a distinct shift from moderate winter to a warm summer. Conversely, the minimum temperature varies from a cool 0.2°C (32.4°F) in January to a much warmer 19.8°C (67.6°F) in the summer month of August. This shift highlights the difference between the colder months of winter and the considerably warmer summer period.
Humidity also undergoes variation, taking a downward trend from 82% in January to a low of 71% in July before picking up again towards the year end. Rainfall distribution demonstrates a fluctuating pattern, ranging from 28mm (1.1") in July to a high of 70mm (2.76") in April. The number of rainfall days also fluctuates moderately, varying from four days in September to eight days in December and April.
While the sea temperature in Sunny Beach registers a low of 7.4°C (45.3°F) in February, it escalates to 24.9°C (76.8°F) during August, demonstrating a significant increase with the advancement of the warmer months. Daylight hours extend from 9.5 hours in January to reaching a maximum of 15.3 hours in June, whereas sunshine hours increase from 3.1 hours in January to a maximum of 11.5 hours in July. The UV index hits a maximum of 9 during July and drops down to a low of 1 during the winter months of December and January.
Throughout the year, peak temperatures oscillate from 7°C (44.6°F) in January to 29.3°C (84.7°F) in August, indicating a distinct shift from moderate winter to a warm summer. Conversely, the minimum temperature varies from a cool 0.2°C (32.4°F) in January to a much warmer 19.8°C (67.6°F) in the summer month of August. This shift highlights the difference between the colder months of winter and the considerably warmer summer period.
Humidity also undergoes variation, taking a downward trend from 82% in January to a low of 71% in July before picking up again towards the year end. Rainfall distribution demonstrates a fluctuating pattern, ranging from 28mm (1.1") in July to a high of 70mm (2.76") in April. The number of rainfall days also fluctuates moderately, varying from four days in September to eight days in December and April.
While the sea temperature in Sunny Beach registers a low of 7.4°C (45.3°F) in February, it escalates to 24.9°C (76.8°F) during August, demonstrating a significant increase with the advancement of the warmer months. Daylight hours extend from 9.5 hours in January to reaching a maximum of 15.3 hours in June, whereas sunshine hours increase from 3.1 hours in January to a maximum of 11.5 hours in July. The UV index hits a maximum of 9 during July and drops down to a low of 1 during the winter months of December and January.
The best time to visit Sunny Beach
The most congenial time to visit Sunny Beach would be from June to August. During this period, the average high temperature fluctuates around 27.2°C (81°F) to 29.3°C (84.7°F), presenting ideal conditions for beach enthusiasts. The sea temperature escalates from 21.6°C (70.9°F) to 24.9°C (76.8°F), promoting water-based activities. Furthermore, these months offer the longest daylight hours, between 15.3 hours in June to 15 hours in August, providing ample time for sightseeing.
The worst time to visit Sunny Beach
Contrarily, the months from December to February can be considered less favourable for visitation. This period records the lowest temperatures, descending to 0.2°C (32.4°F), and the least daylight hours, dwindling to 9.1 hours in December. These factors, combined with the relatively high humidity of 80 to 82%, can potentially limit outdoor activities.
Spring weather in Sunny Beach
Spring in Sunny Beach, extending from March to May, witnesses a gradual rise in temperature, from 11.7°C (53.1°F) in March to a pleasant 22.4°C (72.3°F) in May. Humidity decreases marginally from 75% to 76%, and rainfall measures from 48mm (1.89") to 50mm (1.97"). The sea temperature also begins to rise, moving from 7.8°C (46°F) in March to 15.7°C (60.3°F) in May, while the UV index varies from moderate to high, indicating a rising solar radiation level.
Summer weather in Sunny Beach
Summer, between June and August, reveals the warmest conditions in Sunny Beach with temperature highs rising from 27.2°C (81°F) to 29.3°C (84.7°F). Humidity decreases from 74% to 72% during these months, and rainfall amounts drop to a yearly low from 32mm (1.26") in June to 28mm (1.1") in August. Ample sunshine lasting from 10.6 hours to 11.5 hours provides ideal conditions for picnics and outdoor activities.
Autumn weather in Sunny Beach
Autumn, spanning from September to November, demonstrates a decreasing pattern in temperatures. Highs drop from 25.1°C (77.2°F) in September to a mild 14°C (57.2°F) by November. Rainfall, however, increases notably from 46mm (1.81") in September to a peak of 69mm (2.72") in November. Sea temperature also reveals a downturn, going from a comfortable 22.8°C (73°F) in September down to 13.3°C (55.9°F) in November.
Winter weather in Sunny Beach
Winter is characterized by the lowest temperatures in Sunny Beach that fluctuates from 8.5°C (47.3°F) in December to 7°C (44.6°F) in January. Relative humidity is at its highest, ranging from 80% to 82%. Rainfall tends to be substantial, recording 57mm (2.24") in December and elevating to 44mm (1.73") in January. The sea temperature during winter registers between 10°C (50°F) and 8.1°C (46.6°F), continuing the cooling trend which is not ideal for water-related activities.
Weather in January
January in Sunny Beach, Bulgaria, is characterized by cold temperatures and ample cloud cover. The year begins with the season at its coldest, with temperatures dipping as low as 0.2°C (32.4°F). The city experiences 44mm (1.73") of rainfall over seven days, making it a relatively wet month. Weather in January »
Weather in February
The month of February continues the trend of wintertime weather in Sunny Beach, Bulgaria, but with a slight uptick in temperature, climbing up to 8.3°C (46.9°F). The seaside resort city gets 48mm (1.89") of rain over seven days in February. Weather in February »
Weather in March
With the advent of March, there is a palpable shift in the weather in Sunny Beach, Bulgaria. The average high temperature increases to 11.7°C (53.1°F), a noticeable rise from the winter months, indicating the arrival of Spring. Weather in March »
Weather in April
April in Sunny Beach, Bulgaria, marks the transition from spring to early summer, with weather conditions becoming noticeably warmer. With temperatures soaring as high as 16.2°C (61.2°F), it becomes the first month of the year to cross the 15°C (59°F) mark on the mercury scale. Weather in April »
Weather in May
May ushers in the warmth of summer in Sunny Beach, Bulgaria, with temperatures gradually climbing up and making it ideal for outdoor activities. The balmy month of May sees a substantial rise in temperature, reaching up to a warming 22.4°C (72.3°F). Weather in May »
Weather in June
June, the initial month of summer, displays a jump in temperature on the seaside city of Sunny Beach, Bulgaria. The average high temperature skyrockets to a sizzling 27.2°C (81°F), marking the official summer season. June witnesses a decrease in rainfall to 32mm (1.26"), the lowest so far in the year, spread out neatly over seven days. Weather in June »
Weather in July
July is when Sunny Beach, Bulgaria, fully embraces the summer heat. Temperature registers an annual high, climbing to a scorching 29.2°C (84.6°F). Taking the brunt of summer’s heatwave, this month only experiences 28mm (1.1") of rain over five days, marking it as the driest month in the yearly cycle. Weather in July »
Weather in August
August continues the trend of sweltering summer weather in Sunny Beach, Bulgaria. It matches the peak temperature of July, with the mercury reaching up to 29.3°C (84.7°F). Rainfall is still on a low scale, with 28mm (1.1") of precipitation over four days, maintaining its status as among the least wet months of the year. Weather in August »
Weather in September
September brings a change in the weather in Sunny Beach, Bulgaria, signaling the transition from summer to autumn. The temperature dips slightly to a more manageable 25.1°C (77.2°F), providing a reprieve from the potent heat of July and August. Weather in September »
Weather in October
October sees a further shift in climate in Sunny Beach, Bulgaria, as autumn firmly settles in. Temperatures continue to drop, now to a cooler 19.8°C (67.6°F), signaling the approach of winter. With the amount of rainfall increasing to 62mm (2.44"), spread over five days, autumn showers become a consistent part of the weather pattern. Weather in October »
Weather in November
November in Sunny Beach, Bulgaria, exhibits colder weather, marking the arrival of late fall and the approach of winter. The average high temperature drops significantly from October's highs to a more somber 14°C (57.2°F). The city records a high 69mm (2.72") of rainfall, spread over seven days, a trend consistent with the advent of the colder months. Weather in November »
Weather in December
December ushers in the deep chill of winter in Sunny Beach, Bulgaria, offering a stark contrast to the city's summertime warmth. There is a marked drop in temperature this month, with a low of 1.6°C (34.9°F). The winter season also brings a steady amount of rainfall, with 57mm (2.24") spread over eight days, maintaining the wet trend of the previous months. Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Sunny Beach?
January is the coldest month of the year in Sunny Beach, Bulgaria, registering average temperatures as high as 7°C (44.6°F) and as low as 0.2°C (32.4°F).
What is the most humid month in Sunny Beach?
The most humid month in Sunny Beach is January, with an average relative humidity of 82%.
How much does it rain in Sunny Beach?
Throughout the year, in Sunny Beach, there are 76 rainfall days, and 582mm (22.91") of precipitation is accumulated.
What is the month with the least sunshine in Sunny Beach?
January has the least sunshine of the year in Sunny Beach, Bulgaria, with an average of 3.1h of sunshine.
When is the lowest UV index in Sunny Beach?
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
What is the month with the coldest sea water in Sunny Beach?
With an average sea temperature of 7.4°C (45.3°F), February is the month with the coldest seawater.
What is the rainiest month in Sunny Beach?
April is the month with the most rainfall in Sunny Beach. Rain falls for 8 days and accumulates 70mm (2.76") of precipitation.
When are the longest days in Sunny Beach?
The month with the longest days in Sunny Beach is June, with an average of 15h and 18min of daylight.
What is the least humid month in Sunny Beach?
The least humid month is July, with an average relative humidity of 71%.
What is the driest month in Sunny Beach?
The month with the least rainfall in Sunny Beach is July, when the rain falls for 5 days and typically collects 28mm (1.1") of precipitation.
What month has the most sunshine in Sunny Beach?
July has the most sunshine of the year in Sunny Beach, with an average of 11.5h of sunshine.
What is the month with the highest UV index in Sunny Beach?
July is the month with the highest UV index, with an average maximum UV index of 9.
What is the hottest time of year in Sunny Beach?
August, with its average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 19.8°C (67.6°F), holds the record as the warmest month in Sunny Beach, Bulgaria.
What month is the sea warmest in Sunny Beach?
August is the month with the warmest seawater in Sunny Beach, Bulgaria, with an average sea temperature of 24.9°C (76.8°F).
When is Daylight Saving Time (DST) in Sunny Beach?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
What is the month with the shortest days in Sunny Beach?
December has the shortest days of the year in Sunny Beach, Bulgaria, with an average of 9h and 6min of daylight.
Average temperature
Sunny Beach, Bulgaria
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (7°C).
The month with the highest average low temperature is August (19.8°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).
Average humidity
Sunny Beach, Bulgaria
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (71%).
Average rainfall
Sunny Beach, Bulgaria
- Average rainfall in January:
44.3mm - Average rainfall in February:
47.6mm - Average rainfall in March:
48.2mm - Average rainfall in April:
69.8mm - Average rainfall in May:
49.9mm - Average rainfall in June:
32.1mm
- Average rainfall in July:
27.6mm - Average rainfall in August:
28.4mm - Average rainfall in September:
45.5mm - Average rainfall in October:
62.2mm - Average rainfall in November:
68.9mm - Average rainfall in December:
57.1mm
The wettest month (with the highest rainfall) is April (69.8mm).
The driest month (with the least rainfall) is July (27.6mm).
Average rainfall days
Sunny Beach, Bulgaria
- Average rainfall days in January:
7 days - Average rainfall days in February:
7 days - Average rainfall days in March:
7 days - Average rainfall days in April:
8 days - Average rainfall days in May:
7 days - Average rainfall days in June:
7 days
- Average rainfall days in July:
5 days - Average rainfall days in August:
4 days - Average rainfall days in September:
4 days - Average rainfall days in October:
5 days - Average rainfall days in November:
7 days - Average rainfall days in December:
8 days
The months with the highest number of rainy days are April and December (8 days).
The months with the least rainy days are August and September (4 days).
Average sea temperature
Sunny Beach, Bulgaria
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (7.4°C).
Average daylight / Average sunshine
Sunny Beach, Bulgaria
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
10h and 5min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 3min - Average sunshine in November:
3h and 5min - Average sunshine in December:
3h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average UV index
Sunny Beach, Bulgaria
The month with the highest UV index is July (UV index 9).
The months with the lowest UV index are January and December (UV index 1).
Sunny Beach, Bulgaria
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