May Weather in Varna, Bulgaria

Last updated: August 21, 2025

May in Varna, Bulgaria ushers in a refreshing transition from spring to early summer, characterized by mild temperatures and a vibrant atmosphere. With a comfortable average temperature of 16°C (61°F), the month sees a maximum of 25°C (77°F), allowing for pleasant outdoor activities. However, it's essential to prepare for occasional rain, as precipitation totals around 36 mm (1.4 in) over approximately 9 days. Coupled with high humidity levels at 77%, May offers a lush and invigorating environment, perfect for experiencing the natural beauty and cultural richness of Varna.

May Temperature in Varna

As May unfolds in Varna, Bulgaria, the temperatures start to rise, signaling the full embrace of spring. With a morning chill that dips to about 8°C (47°F), the days gradually warm up to an inviting average of 16°C (61°F) and peak at a delightful 25°C (77°F). This month marks a significant shift from the lingering coolness of April, showcasing a clear upward trend in warmth and sunshine. Nature awakens, and the city's vibrant surroundings flourish under the increasingly pleasant weather, making May an ideal time for outdoor activities and exploring Varna's charming landscape.

May Weather in Varna: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Varna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Varna, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec384144506170747569605144
Data source: Temperature data for Varna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Varna

May in Varna, Bulgaria, brings a gentle shift in weather patterns as the month sees an average precipitation of 36 mm (1.4 in) over 9 days. This slight increase compared to April's 33 mm suggests that spring is fully embracing its milder tendencies, allowing occasional rain showers to nurture the blooming landscapes. Interestingly, May marks the transitional period before the summer deluge; while it's much drier than the following month of June, which typically experiences 85 mm (3.4 in) across 15 days, it still paves the way for the upcoming warmth. The balance of rain during May makes it a refreshing time, replete with vibrant greenery, as nature prepares for a bustling summer ahead.

May Precipitation Trends in Varna

The chart displays monthly precipitation patterns in Varna, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Varna, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec584053333685511418605573
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Varna

In May, Varna experiences a slight dip in humidity, averaging 77%. This marks a continuation of the gradual decrease from the wetter winter months, where humidity peaks at 84% in January. As spring unfolds, humidity consistently declines from 84% in January to 75% in April, indicating a transition toward warmer and drier conditions. Following May, the trend continues with even lower levels in June at 71% and July at 69%, showcasing the city's gradual move into a more enjoyable summer climate. This shift highlights Varna's evolving weather patterns, making May a pleasant time to enjoy the budding blossoms while still accommodating a comfortable humidity level.

May Average Humidity in Varna

This chart illustrates the average monthly humidity levels in Varna, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Varna is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%79%75%77%71%69%60%63%76%81%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Varna

In May, Varna experiences a significant rise in the UV Index, reaching an impressive 8, which categorizes sun exposure as very high. This sharp increase reflects a trend of intensifying solar radiation as spring progresses into summer. The burn time for unprotected skin drops to just 15 minutes, emphasizing the need for protective measures when enjoying outdoor activities. As the month of May ushers in sunnier days, it’s essential for residents and visitors alike to stay informed and take precautions against potential sun damage. For a detailed look at UV trends in Varna throughout the year, check out the comprehensive guide at Varna UV Index.

Maximum UV Index Levels in Varna for May

The chart shows the monthly maximum UV Index (UVI) for Varna in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Varna typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997532
Data source: Varna May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Varna

May in Varna, Bulgaria, unveils a splendid surge in sunshine, boasting an impressive 398 hours of radiant light. As spring unfolds, the days grow progressively brighter, building on April's 350 hours and leading seamlessly into the sun-drenched summer months. This upward trend signals the city's transition into a vibrant season, where the allure of outdoor activities beckons locals and visitors alike. June continues to shine even brighter at 402 hours, while July reaches its peak warmth with 430 hours of sunshine. The gradual increase in sunlight from the darker winter months, where January only sees 166 hours, highlights Varna's transformation into a sunlit paradise, making May a perfect time to bask in the charm of this coastal gem.

Monthly Sunshine Duration in Varna: May Highlighted

The May sunshine duration represents the total number of hours Varna experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec166h225h288h350h398h402h430h405h341h286h223h206h
Data source: Varna May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Varna During May

As May approaches in Varna, Bulgaria, the likelihood of sunny weather remains promising, with a 45% chance of sunshine—a statistic that aligns closely with April's 46%. This suggests a steady transition from the cooler months, where sunshine is less frequent, to the warmer days ahead. While May’s sun percentages slightly dip from April, they still foreshadow a favorable shift as the region gears up for the more sun-drenched summer months. Notably, the peak sunny weather hits in July and August, so May serves as a delightful prelude, offering a refreshing blend of moderate warmth and increasing sunlight that entices both locals and visitors.

Percentage of Sunny Days in May in Varna

The chart illustrates the percentage of sunny days in Varna throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Varna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%37%42%46%45%43%77%75%55%35%33%30%
Data source: Varna May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Varna in May

As spring unfolds into summer in Varna, Bulgaria, daylight duration experiences a notable increase, reflecting the region's transition from the chill of winter to the warmth of longer days. In January, daylight is limited to 9 hours, slowly increasing in February to 10 hours. By March, the sun graces the sky for 11 hours, paving the way for the vibrant months ahead. April ushers in more light with 13 hours, culminating in May, when daylight reaches a delightful 14 hours. This trend continues, peaking in June with 15 hours of sunshine before gradually tapering off again. July and August hold onto that summer glow, while September and October signal a gentle decline, revisiting the shorter days of November and December, both enduring at 9 hours. The cycle of daylight in Varna captures the essence of seasonal change, inviting residents and visitors alike to embrace the blooming beauty of spring and the warmth of summer.

Average Daylight Hours in Varna for May

The chart illustrates the variation in daylight duration in Varna throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 21m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 40m9h
Data source: Varna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Varna

In May, Varna experiences a gentle breeze with an average wind speed of 3.6 m/s (8 mph), marking a slight increase from the calmer April days. This is part of a trend where wind speeds begin to stabilize after the more variable conditions of early spring. As summer approaches, the wind remains consistent, with June and July maintaining similar speeds. Notably, following May, there is a gradual uptick in wind speed leading into the autumn months, suggesting that while May offers mild, comfortable breezes ideal for outdoor activities, the cooling season ahead might bring a refreshing return to stronger winds. Overall, May serves as a transitional month with just enough wind to enjoy the outdoors without overwhelming the senses, paving the way for warmer summer days.

Average May Wind Speed in Varna

The chart displays monthly wind speed patterns in Varna, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.54.93.53.6 m/s3.53.83.54.45.24.25.6
Data source: Varna May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Varna Compares to Other Months

Weather in Varna varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Varna, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January present starkly contrasting weather conditions. In May, temperatures range from a cool 8°C (47°F) at their minimum to a warm 25°C (77°F) at their maximum, with an average of 16°C (61°F) and relatively low precipitation of 36 mm (1.4 in) over 9 days. The humidity sits at a comfortable 77%. In contrast, January offers a much chillier climate, with temperatures dipping as low as -11°C (13°F) and reaching a maximum of 14°C (58°F), averaging just 3°C (38°F). This winter month sees more precipitation at 58 mm (2.3 in) over 8 days, accompanied by a higher humidity level of 84%. For a deeper insight into the weather specifics, you can refer to Varna weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). The month sees a moderate amount of precipitation at 36 mm (1.4 in) over 9 days and a humidity level of 77%. In stark contrast, February experiences much colder temperatures, ranging from -5°C (22°F) to 15°C (60°F), with an average of just 5°C (41°F). Precipitation in February is slightly higher at 40 mm (1.6 in) over just 7 days, coupled with a slightly higher humidity level of 81%. For more details on February weather, you can check Varna weather in February.

May and March present contrasting weather conditions, showcasing the transition from winter to spring. In March, temperatures can dip as low as -9°C (16°F) with an average of 6°C (44°F), while May enjoys much milder conditions, with lows of 8°C (47°F) and highs reaching 25°C (77°F). Precipitation is slightly heavier in March, totaling 53 mm (2.1 in) compared to May's 36 mm (1.4 in), though both months see similar numbers of rainy days at 9. Additionally, humidity levels are fairly high in both months, with March at 79% and May at 77%. For more detailed information about March weather, you can visit Varna weather in March.

In comparing the weather between April and May, it's clear that May brings warmer temperatures overall. While April experiences a minimum temperature of 2°C (36°F) and an average of 10°C (50°F), May sees a minimum of 8°C (47°F) and an average of 16°C (61°F). Additionally, the maximum temperature in May can reach up to 25°C (77°F), significantly higher than April's peak of 22°C (72°F). Both months have similar levels of precipitation, with April receiving 33 mm (1.3 in) over 6 days and May recording 36 mm (1.4 in) across 9 days. Humidity levels are also slightly higher in May, at 77%, compared to 75% in April. For more detailed information, you can visit Varna weather in April.

In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). The month experiences fairly moderate precipitation of 36 mm (1.4 in) over approximately 9 days, accompanied by a relatively high humidity level of 77%. In contrast, June sees a rise in temperatures, with a minimum of 11°C (52°F) and a maximum of 29°C (84°F), resulting in a warmer average of 21°C (70°F). However, June also brings increased rainfall, totaling 85 mm (3.4 in) across about 15 days, alongside decreased humidity at 71%. For more details on June weather, visit Varna weather in June.

May and July present distinct weather patterns with noticeable differences in temperature and humidity. In May, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F). The month sees moderate precipitation of 36 mm (1.4 in) over about 9 days, accompanied by relatively high humidity at 77%. In contrast, July offers warmer weather, with temperatures fluctuating between 16°C (61°F) and 31°C (88°F), averaging around 23°C (74°F). Although July experiences slightly more precipitation at 51 mm (2.0 in) over the same number of days, the humidity dips to 69%. For a detailed look at July's weather, you can visit Varna weather in July.

May and August present contrasting weather conditions. In May, temperatures range from a cool minimum of 8°C (47°F) to a pleasant maximum of 25°C (77°F), with an average of 16°C (61°F). The month is marked by relatively high humidity at 77% and a moderate amount of precipitation, totaling 36 mm (1.4 in) over about 9 days. In contrast, August brings significantly warmer temperatures, with a minimum of 17°C (62°F), an average of 24°C (76°F), and a peak of 31°C (88°F). The humidity drops to a comfortable 60%, and the month experiences less rainfall, with only 14 mm (0.6 in) over just 3 days. For a detailed view of August weather, you can visit Varna weather in August.

May and September offer distinctly different weather experiences. In May, temperatures range from a cool minimum of 8°C (47°F) to a pleasant average of 16°C (61°F), peaking at a warm 25°C (77°F). The month sees more precipitation, with about 36 mm (1.4 in) falling over approximately nine days, resulting in a higher humidity level of 77%. Conversely, September enjoys slightly milder weather with minimum temperatures around 10°C (50°F) and an average of 20°C (69°F), reaching a maximum of 28°C (83°F). Precipitation drops significantly to just 18 mm (0.7 in) over three days, and humidity decreases to a comfortable 63%. For more details on September weather, visit Varna weather in September.

May and October in Varna display a transition in climate as spring gives way to fall. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average temperature of 16°C (61°F) and relatively low precipitation at 36 mm (1.4 in) over about 9 days. The humidity is quite high at 77%, creating a lush atmosphere. In contrast, October sees slightly cooler temperatures, with a minimum of 7°C (44°F), an average of 15°C (60°F), and a maximum of 26°C (78°F). Precipitation increases to 60 mm (2.3 in) across 6 days, while humidity remains similar at 76%. For a detailed look at the weather specifics, check out Varna weather in October.

May and November present contrasting weather patterns, reflecting the transition from spring to winter. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 25°C (77°F), with an average of 16°C (61°F) and relatively low precipitation of 36 mm (1.4 in) over 9 days. The humidity is moderate at 77%, creating a pleasant spring atmosphere. In contrast, November sees cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 21°C (71°F), averaging 11°C (52°F). Precipitation increases to 55 mm (2.1 in) over 8 days, and humidity rises slightly to 81%, contributing to a more damp and chilly feel. For more detailed information, you can explore Varna weather in November.

In May, the weather is generally mild and pleasant, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 25°C (77°F) and an average of 16°C (61°F). The month sees relatively low precipitation at 36 mm (1.4 in) over about 9 days, and humidity is around 77%. In contrast, December brings much colder conditions, with temperatures ranging from a low of -5°C (23°F) to a high of 17°C (63°F) and an average temperature of 7°C (44°F). Precipitation increases to 73 mm (2.9 in) across approximately 11 days, accompanied by a higher humidity level of 84%. For more details on winter weather, you can check Varna weather in December.

Compare Varna's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Varna

As the vibrant month of May unfolds in Varna, the weather begins to transition from the cooler spring days to a more inviting warmth typical of early summer. With average temperatures rising to a comfortable 16°C, it's an ideal time to explore the coastal city, contrasting with the chillier months that preceded it. While there's a slight increase in precipitation, with about 9 days seeing some rain, the overall humidity remains high, lending a fresh, invigorating atmosphere to the season. May's pleasant climate invites both locals and travelers to enjoy outdoor activities, making it a perfect gateway to the sunny days of summer. For more detailed information on what to expect, check out Varna Climate.