May Weather in Sulina, Romania

Last updated: August 27, 2025

May in Sulina, Romania offers a delightful experience with temperatures peaking at 27°C (80°F), while the average hovers around a comfortable 17°C (62°F). Early mornings and evenings can be refreshingly cool, dipping to a minimum of 8°C (47°F). This month witnesses 35 mm (1.4 in) of precipitation spread over 7 days, contributing to a humidity level of 73% that enhances the air’s invigorating freshness. As nature awakens, visitors can enjoy the lush landscapes and vibrant atmosphere that make May a charming time to explore this coastal gem.

May Temperature in Sulina

In May, Sulina, Romania, begins to embrace the warmth of spring, showcasing a significant transition in temperatures. With minimums around 8°C (47°F) and rising to averages of 17°C (62°F), the month reflects a marked increase from the cooler days of April. The maximum temperatures can reach an inviting 27°C (80°F), providing perfect conditions for outdoor activities and exploration. This upward trend not only highlights the mildness of May compared to its winter predecessors but also sets the stage for the imminent summer heat. Travelers can expect a pleasant climate that invites leisurely strolls along the beautiful Danube Delta, making it a delightful time to visit.

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

The chart illustrates May temperature patterns in Sulina, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulina, 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).
JanFebMarAprMayJunJulAugSepOctNovDec353943516272767768594942
Data source: Temperature data for Sulina generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Sulina

May in Sulina, Romania, typically ushers in a mild transition marked by an average precipitation of 35 mm (1.4 in), maintaining a steady rhythm in relation to the spring months. Rainfall occurs over about 7 days, contributing to the region's lush greenery and vibrant landscapes. This consistent precipitation mirrors the trend observed in April, with both months featuring similar rainfall totals, hinting at a stable climatic pattern as spring edges toward summer. The gradual increase in precipitation from the earlier months of the year, coupled with a slight rise in temperatures, prepares the ground for the more substantial rains seen in June. Overall, May stands out as a critical month for sustaining the flourishing environment that characterizes Sulina.

May Precipitation Trends in Sulina

The chart displays monthly precipitation patterns in Sulina, 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 Sulina, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec433735343557321326313851
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Sulina

As spring transitions into summer, May in Sulina, Romania experiences a significant drop in humidity, averaging 73%. This marks a continued decline from the wetter months of January through April, where humidity levels hovered above 76%. The gradual easing of moisture in the air indicates a shift towards drier conditions leading into June, which sees humidity dip further to 68%. This trend reflects a seasonal pattern where early summer presents more comfortable, less humid conditions, inviting residents and visitors to enjoy the region's beauty with a refreshing breeze.

May Average Humidity in Sulina

This chart illustrates the average monthly humidity levels in Sulina, 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 Sulina is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%76%73%68%65%53%61%77%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sulina

As May unfolds in Sulina, Romania, residents and visitors alike should prepare for the intensifying sun. With a UV Index soaring to 8 and categorized as very high, the risk of harm from unprotected sun exposure becomes significant, requiring just 15 minutes to sustain potential skin damage. This sharp increase from the previous months highlights a notable trend, as the UV Index has risen steadily since January, where it was only 2—considered low. With peak exposure times approaching, it's essential to adopt sun safety measures if you plan on enjoying the outdoors. Stay informed and protect yourself by checking the latest details at Sulina UV Index.

Maximum UV Index Levels in Sulina for May

The chart shows the monthly maximum UV Index (UVI) for Sulina 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 Sulina typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789987532
Data source: Sulina 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 Sulina

May brings a radiant burst of sunshine to Sulina, Romania, with 407 hours of glorious daylight, marking a vibrant peak in the spring season. This month continues the upward trend set from the start of the year, with sunshine hours steadily increasing from 157 hours in January to a remarkable 356 hours in April. The transition into summer sees the sun’s embrace even more generous in June, reaching 420 hours, indicating that late spring and early summer are a time of abundant sunlight. This delightful increase in daylight serves as a perfect backdrop for outdoor adventures, making Sulina a shining jewel along the Romanian coast as it welcomes longer, sun-kissed days.

Monthly Sunshine Duration in Sulina: May Highlighted

The May sunshine duration represents the total number of hours Sulina 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.
JanFebMarAprMayJunJulAugSepOctNovDec157h220h302h356h407h420h437h407h342h294h205h180h
Data source: Sulina May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sulina During May

In Sulina, Romania, the transition into May signals a notable uptick in sunny weather, with a 44% chance of sunshine, making it one of the more promising months for those seeking a bright getaway. This increase from the previous months, like April with its 41% likelihood, highlights a budding trend as spring settles in. As we move towards summer, the chances of sunny days soar dramatically, peaking in July and August at a remarkable 74% and 75% respectively. Thus, while May offers a window of opportunity for pleasant weather, the true summer months will undoubtedly bask under the sun's warm embrace.

Percentage of Sunny Days in May in Sulina

The chart illustrates the percentage of sunny days in Sulina 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 Sulina experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%32%43%41%44%39%74%75%62%40%34%24%
Data source: Sulina May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sulina in May

As spring ushers in the warmth, May in Sulina, Romania shines with 14 hours of daylight, a delightful increase from the 13 hours seen in April. This pattern of gradual day lengthening is part of a broader trend where the length of daylight steadily rises from the depths of winter and peaks during the summer months. From January’s modest 9 hours to June’s lofty 15 hours, the progression creates an inviting atmosphere, perfect for enjoying the blossoming nature. As summer transitions to autumn, daylight begins to recede, revealing a rhythm of illumination that enhances the charm of each season. With longer days in May, residents and visitors alike can revel in the beauty of longer evenings and the vibrant life that accompanies the advent of summer.

Average Daylight Hours in Sulina for May

The chart illustrates the variation in daylight duration in Sulina throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 10m10h 23m11h 56m13h 31m14h 52m15h 33m15h 11m14h12h 28m10h 54m9h 31m8h 48m
Data source: Sulina daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Sulina

In Sulina, Romania, May ushers in a gentle embrace of wind, with an average speed of 4.1 m/s (9 mph), slightly higher than the calm breezes of April. This moderate wind continues the trend of milder speeds as spring transitions into summer. Interestingly, the wind conditions in May mirror those of August, suggesting a refreshing consistency in the seasonal air currents. As the year progresses, wind speeds typically pick up, peaking in December at 5.6 m/s (12 mph), yet May offers a delightful balance, ideal for leisurely strolls along the picturesque landscapes of Sulina. The gradual wind increase from January to October highlights the dynamic shifts in weather, making May a perfect month to enjoy the mild coastal gales while appreciating the vibrant surroundings.

Average May Wind Speed in Sulina

The chart displays monthly wind speed patterns in Sulina, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.34.54.73.84.1 m/s4.24.04.14.54.94.55.6
Data source: Sulina May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Sulina Compares to Other Months

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

May and January present stark contrasts in weather patterns. In May, temperatures generally range from a mild 8°C (47°F) at night to a warm 27°C (80°F) during the day, with an average of 17°C (62°F). This month sees relatively low precipitation at 35 mm (1.4 in) over about seven days, accompanied by a humidity level of 73%. In contrast, January experiences much colder conditions, with temperatures dipping as low as -13°C (8°F) and only reaching a maximum of 13°C (56°F), averaging around 2°C (35°F). The precipitation is slightly higher at 43 mm (1.7 in) across the same number of days, with a higher humidity level of 87%. For more detailed information, check Sulina weather in January.

May typically brings much warmer weather compared to February, with average temperatures soaring to around 17°C (62°F) and highs reaching up to 27°C (80°F), while February struggles to reach an average of just 4°C (39°F). Precipitation levels are relatively similar, with May receiving 35 mm over 7 days and February slightly higher at 37 mm over 8 days. Additionally, February's humidity stands at a higher 83%, compared to May's more comfortable 73%. For more specifics on February weather, you can check out Sulina weather in February.

In comparing the weather between May and March, it's evident that May is significantly milder and more pleasant. May sees temperatures ranging from a minimum of 8°C (47°F) to a maximum of 27°C (80°F), with an average of 17°C (62°F). In contrast, March experiences much colder temperatures, with lows dipping to -10°C (15°F) and highs reaching only 19°C (66°F). While both months receive similar total precipitation of 35 mm (1.4 in), March has one more rainy day, leading to a slightly higher humidity level of 80% compared to May's 73%. For more detailed information on March weather, you can check this link: Sulina weather in March.

In comparing the weather of May and April, it is clear that May generally offers warmer temperatures, with an average of 17°C (62°F) compared to April's 11°C (51°F). The temperature range in May also extends higher, reaching a maximum of 27°C (80°F), while April sees a peak of 24°C (76°F). Both months have similar precipitation levels, with May slightly higher at 35 mm (1.4 in) over 7 days, compared to April's 34 mm (1.3 in) over 6 days. Humidity remains relatively constant, with April at 76% and May at 73%. For more detailed information on April weather, you can visit Sulina weather in April.

May and June weather show a noticeable transition as temperatures rise and conditions shift. In May, the temperatures range from a minimum of 8°C (47°F) to a maximum of 27°C (80°F), with an average of 17°C (62°F). The month experiences about 35 mm (1.4 in) of precipitation over 7 days, accompanied by relatively high humidity at 73%. In contrast, June brings warmer weather, with minimum temperatures of 11°C (52°F) and maximums reaching 32°C (89°F), averaging 22°C (72°F). However, it also sees increased rainfall, with 57 mm (2.3 in) over 8 days, but slightly lower humidity at 68%. This shift in weather reflects the arrival of summer, making June considerably warmer and more humid than May. For more detailed information, check Sulina weather in June.

May and July showcase distinct differences in weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 27°C (80°F), with an average of 17°C (62°F). The month experiences about 35 mm (1.4 in) of precipitation over 7 days, coupled with a humidity level of 73%. In contrast, July offers warmer temperatures, with a minimum of 16°C (61°F), an average of 24°C (76°F), and a maximum soaring to 33°C (91°F). The precipitation in July decreases slightly to 32 mm (1.3 in) over just 6 days, and the humidity is lower at 65%. For more detailed insights, you can check the Sulina weather in July.

In May, the weather is characterized by milder temperatures, with a minimum of 8°C (47°F) and an average of 17°C (62°F), reaching a maximum of 27°C (80°F). The month experiences more precipitation, with around 35 mm (1.4 in) falling over 7 days, contributing to a higher humidity level of 73%. In contrast, August brings warmer conditions, with minimum temperatures rising to 15°C (60°F) and an average of 25°C (77°F), peaking at 34°C (94°F). This month boasts significantly lower precipitation of just 13 mm (0.5 in) over 3 days, resulting in a more comfortable humidity level of 53%. For more details, check Sulina weather in August.

In May, temperatures typically range from a minimum of 8°C (47°F) to a maximum of 27°C (80°F), with an average around 17°C (62°F). The month sees a fair amount of rainfall, with about 35 mm (1.4 in) of precipitation spread over 7 days, and humidity levels are relatively high at 73%.

In contrast, September boasts a slightly warmer average temperature of 20°C (69°F) with maximum highs reaching up to 31°C (88°F). Precipitation is less frequent, totaling about 26 mm (1.0 in) over just 4 days, and the humidity drops to a more comfortable 61%. For more details on the weather in September, you can check this link: Sulina weather in September.

Overall, September offers warmer temperatures and drier conditions compared to May, making it a pleasant transition into autumn.

In May, the weather tends to be warmer with average temperatures soaring to around 17°C (62°F) and a maximum of 27°C (80°F), making it a pleasant time for outdoor activities. The month sees a moderate amount of rainfall, totaling about 35 mm (1.4 in) over approximately 7 days, and the humidity hovers around 73%. In contrast, October experiences cooler temperatures, with an average of 15°C (59°F) and a maximum of 25°C (77°F). The precipitation is slightly less at 31 mm (1.2 in) spread over 5 days, while the humidity rises to 77%. For more information on October weather, you can check Sulina weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a pleasant average of 17°C (62°F), peaking at a comfortable 27°C (80°F). The month sees moderate rainfall, with about 35 mm (1.4 in) over seven days and a relative humidity of 73%. In contrast, November's temperatures start at a chilly minimum of -2°C (29°F), with an average of 9°C (49°F) and a maximum reaching 21°C (70°F). Precipitation slightly increases to 38 mm (1.5 in) over seven days, accompanied by higher humidity at 85%. These differences highlight the transition from the mildness of spring to the cooler, wetter conditions of late autumn. For more detailed insights, check out Sulina weather in November.

May and December present stark contrasts in weather conditions. May enjoys milder temperatures, with a minimum of 8°C (47°F) and an average of 17°C (62°F), peaking at a warm 27°C (80°F). In contrast, December sees much colder temperatures, with lows reaching -6°C (21°F) and an average temperature of only 5°C (42°F), maximizing at 16°C (60°F). Additionally, while May experiences 35 mm (1.4 in) of precipitation over 7 days, December is wetter, with 51 mm (2.0 in) falling across 11 days. The humidity also increases in December to 86%, compared to May’s 73%. For more detailed insights on December weather, you can visit Sulina weather in December.

Compare Sulina's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Sulina

In May, Sulina welcomes warmer temperatures and an invigorating ambiance, transitioning from the coolness of early spring. With average highs reaching a pleasant 27°C (80°F), residents and visitors alike can relish the outdoors. While occasional rain sprinkles occur, leading to about 35 mm of precipitation over approximately seven days, the overall humidity remains manageable at 73%. This delightful weather not only enhances the blooming scenery but also marks a pivotal shift in the climate, making it a vibrant precursor to summer. For a deeper understanding of the city's climate patterns throughout the year, be sure to explore Sulina Climate.