May Weather in Piatra, Romania

Last updated: August 27, 2025

In May, Piatra, Romania, experiences a dynamic blend of weather conditions. The maximum temperature can reach a pleasant 28°C (83°F), while the average temperature hovers around 14°C (57°F), creating a comfortable environment for outdoor activities. However, temperatures can dip to a minimum of 0°C (32°F), reminding residents of the lingering chill of spring. With precipitation totaling 115 mm (4.5 in) over approximately 15 rainy days, it's advisable to prepare for occasional showers. The overall humidity level stands at 71%, contributing to the fresh, vibrant atmosphere typical of this beautiful season in Piatra.

May Temperature in Piatra

In May, Piatra, Romania, experiences a delightful transition into warmer weather, characterized by a minimum temperature of 0°C (32°F) and a comfortable average of 14°C (57°F). As the month progresses, daily highs can reach 28°C (83°F), marking a significant uptick from the cooler temperatures of previous months. This shift not only invites outdoor activities but also showcases a vibrant landscape in full bloom. Compared to April's chill, with temperatures starting as low as -6°C (21°F), May brings a refreshing warmth that signals the arrival of summer, offering a perfect time for both locals and visitors to enjoy the natural beauty of the region.

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

The chart illustrates May temperature patterns in Piatra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piatra, 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).
JanFebMarAprMayJunJulAugSepOctNovDec273339495765676859494134
Data source: Temperature data for Piatra 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 Piatra

In May, Piatra, Romania, experiences a notable uptick in rainfall, with precipitation reaching 115 mm (4.5 in) over 15 days—the highest monthly total in the first half of the year. This significant increase, compared to the more moderate rainfall of 54 mm in April, marks May as a critical period for the region's spring awakening. As nature flourishes, the lush surroundings are nourished, paving the way for vibrant landscapes. Following May, June maintains a high level of precipitation, though slightly reduced at 101 mm (4.0 in), suggesting a trend of sustained moisture that can support agricultural development. In contrast, the subsequent summer months witness a decrease in precipitation, indicating a seasonal shift that may bring drier conditions ahead.

May Precipitation Trends in Piatra

The chart displays monthly precipitation patterns in Piatra, 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 Piatra, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49755954115101965966574485
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Piatra

As spring blooms into early summer, May in Piatra, Romania, experiences a significant dip in humidity, settling at 71%. This change marks a continuation of a downward trend that began in April, where humidity levels were still relatively high at 79%. The milder conditions pave the way for more comfortable weather as the region transitions into the sunnier months. Following May, June maintains this humidity level, suggesting a stable yet pleasant atmosphere before the arrival of drier July, which further decreases to 64%. This gradual shift highlights Piatra's dynamic climate patterns, where the lush spring months give way to a drier, more arid summer, enhancing the allure of outdoor activities and exploration.

May Average Humidity in Piatra

This chart illustrates the average monthly humidity levels in Piatra, 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 Piatra is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%87%79%71%71%64%55%64%83%91%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Piatra

As spring transitions into summer, Piatra, Romania, experiences a significant increase in the UV Index. By May, the UV Index reaches a striking 8, categorizing it as very high and reducing the safe exposure time to just 15 minutes. This sharp rise from April's already high 6 showcases the growing intensity of the sun's rays as we move into the warmer months. In contrast, the year began with a more manageable UV Index of 2 in January, climbing gradually through February and March, but it’s in May that residents must pay particular attention to sun safety. As the UV levels remain elevated into June and July, it’s essential to stay informed and protect your skin during these peak months. For more details, check out Piatra UV Index.

Maximum UV Index Levels in Piatra for May

The chart shows the monthly maximum UV Index (UVI) for Piatra 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 Piatra typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987422
Data source: Piatra 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 Piatra

As May arrives in Piatra, Romania, it brings with it an impressive flourish of sunlight, boasting 393 hours of bright, cheerful rays. This represents a significant increase from the previous months, as the region transitions from the cool embrace of spring to the warmth of early summer. Each month shines a little brighter, starting from just 156 hours in January, moving steadily upward through February's 208 hours and March's 289 hours. April sets the stage with 349 hours, but it is in May that the days truly lengthen and the sun takes center stage. June and July push the envelope even further, with maximum sunlight peaking at 425 hours in July, showcasing Piatra’s delightful summer radiance. The gradual increase not only highlights May's vibrancy but also sets the tone for a sun-soaked season ahead, making it the perfect time for outdoor adventures and exploration.

Monthly Sunshine Duration in Piatra: May Highlighted

The May sunshine duration represents the total number of hours Piatra 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.
JanFebMarAprMayJunJulAugSepOctNovDec156h208h289h349h393h410h425h406h338h285h224h173h
Data source: Piatra May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Piatra During May

In Piatra, Romania, the likelihood of sunny weather sees a gradual increase as spring unfolds into summer. Starting from a modest 14% in January, the chances climb steadily through the months, peaking at 50% in July. In May, residents can expect a 36% chance of sunshine, which reflects a slight drop compared to April's 34%, yet still positions it favorably amidst the transitional warmth. As the season progresses, the sun's dominance becomes more pronounced, with June and July marking the height of summer's brilliance. This trend highlights May as a delightful prelude to the sun-soaked days ahead, making it an enticing time for outdoor activities and enjoyment in the beautiful landscape of Piatra.

Percentage of Sunny Days in May in Piatra

The chart illustrates the percentage of sunny days in Piatra 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 Piatra experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%26%39%34%36%46%50%46%40%54%36%14%
Data source: Piatra May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Piatra in May

As spring gives way to summer in Piatra, Romania, daylight hours steadily increase, peaking in May with 15 hours of sunlight. This month marks a significant jump from the 13 hours observed in April, as the days grow longer and brighter, inviting residents to bask in the warmth of the emerging season. Following May, daylight levels remain consistent through June and July, offering a trifecta of vibrant days perfect for exploration and outdoor activities. However, as summer transitions into autumn, daylight begins to wane—decreasing to 14 hours in August and gradually reducing to 12 hours in September, before returning to the shorter days of fall and winter. This rhythmic ebb and flow of daylight not only highlights the changing seasons but also enriches the experience of living in this beautiful region throughout the year.

Average Daylight Hours in Piatra for May

The chart illustrates the variation in daylight duration in Piatra throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 56m10h 15m11h 55m13h 38m15h 6m15h 51m15h 27m14h 9m12h 30m10h 49m9h 18m8h 31m
Data source: Piatra daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Piatra

As May arrives in Piatra, Romania, the winds pick up slightly, averaging 2.3 m/s (5 mph), showcasing a gentle increase from the preceding months. This upward trend in wind speed—from 2.1 m/s in January and February to the now refreshing May breezes—suggests a transition into a more dynamic spring climate. Following the consistent and soft winds of early spring, May's breezy allure invites outdoor explorations and activities amidst blooming landscapes. While June marks a slight decline to 1.9 m/s, the essence of May's invigorating gusts certainly leaves a lasting impression before the summer calm settles in.

Average May Wind Speed in Piatra

The chart displays monthly wind speed patterns in Piatra, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.12.02.02.3 m/s1.91.91.71.81.91.71.9
Data source: Piatra May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Piatra Compares to Other Months

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

May and January present quite contrasting weather characteristics. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F). This month also sees more precipitation, totaling 115 mm (4.5 in) over about 15 days, accompanied by a humidity level of 71%. Conversely, January is much colder, with temperatures plummeting to a minimum of -25°C (-12°F) and a maximum of 10°C (51°F), averaging -3°C (27°F). Precipitation is lower, at 49 mm (1.9 in) over approximately 10 days, and the humidity peaks at a high 93%. For detailed insights into January weather, you can check Piatra weather in January.

May and February present stark contrasts in weather. In May, temperatures range from a chilly 0°C (32°F) to a warm 28°C (83°F), with an average of 14°C (57°F). The month sees about 115 mm (4.5 inches) of precipitation spread over 15 days, and humidity levels hover around 71%. In contrast, February experiences much colder temperatures, with a range between -13°C (9°F) and a maximum of 15°C (59°F), averaging at 0°C (33°F). It has less precipitation at 75 mm (2.9 inches) over 12 days, accompanied by higher humidity at 88%. For more detailed insights on February weather, check out Piatra weather in February.

The weather in May is noticeably milder compared to March. While March experiences a minimum temperature of -18°C (0°F) and an average of only 4°C (40°F), May boasts a minimum of 0°C (32°F) and a much more comfortable average of 14°C (57°F). The maximum temperature in March reaches up to 22°C (71°F), yet the overall warmth of May is highlighted by a maximum of 28°C (83°F). Precipitation is also more pronounced in May, with 115 mm (4.5 in) falling over 15 days, compared to March's 59 mm (2.3 in) spread over 12 days. Humidity levels are higher in March at 86%, compared to May's 71%. For more details on March weather, check out Piatra weather in March.

In comparing the weather conditions of April and May, it's evident that May offers a noticeable increase in average temperatures. While April has a minimum of -6°C (21°F) and an average of 9°C (49°F), May sees a milder minimum of 0°C (32°F) and an average of 14°C (57°F). Despite both months featuring relatively warm maximum temperatures, with April reaching 27°C (81°F) and May peaking at 28°C (83°F), April experiences slightly higher humidity at 79% compared to May’s 71%. Furthermore, May sees increased precipitation, totaling 115 mm (4.5 in) over 15 days, while April has only 54 mm (2.1 in) over 10 days. For more details, you can check out Piatra weather in April.

Comparing the weather in May and June reveals distinct differences. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 28°C (83°F), with an average temperature of 14°C (57°F). The month sees a higher amount of precipitation, totaling 115 mm (4.5 in) over 15 rainy days, all accompanied by 71% humidity.

In contrast, June offers milder conditions with a minimum temperature of 5°C (41°F) and a maximum that reaches up to 32°C (89°F), resulting in a more pleasant average of 19°C (66°F). While June has slightly less precipitation at 101 mm (4.0 in) over 16 rainy days, the humidity remains steady at 71%. For more information on the weather in June, you can visit Piatra weather in June.

May typically experiences cooler temperatures, with a minimum of 0°C and an average of 14°C, while July brings warmer conditions, with a minimum of 7°C and an average of 19°C. The maximum temperature in July can reach up to 32°C, significantly warmer than May's maximum of 28°C. Although May sees more precipitation, totaling 115 mm over 15 days, July has slightly less rainfall at 96 mm across 14 days. Additionally, humidity levels decrease from 71% in May to 64% in July, contributing to a more comfortable atmosphere during the summer month. For more detailed information, you can check Piatra weather in July.

In May, temperatures range from a chilly 0°C (32°F) to a warm 28°C (83°F), with an average of 14°C (57°F). The month sees significant precipitation, totaling 115 mm (4.5 in) over 15 days, and a high humidity level of 71%. In contrast, August experiences milder temperatures, with a minimum of 7°C (45°F), an average of 20°C (69°F), and a maximum reaching 34°C (94°F). Rainfall drops to 59 mm (2.3 in) over just 7 days, accompanied by lower humidity at 55%. The shift from May's wetter and cooler climate to August's warmer and drier conditions highlights a significant change in the weather during these months. For more specific details on August weather, you can refer to Piatra weather in August.

May and September offer distinct weather patterns, highlighting the transition from spring to early autumn. In May, temperatures range from a chilly 0°C (32°F) to a warm 28°C (83°F), with an average of 14°C (57°F). This month experiences relatively high precipitation, totaling 115 mm (4.5 in) over approximately 15 days, contributing to an average humidity of 71%. In contrast, September presents milder temperatures, with a low of 0°C (32°F) and a high of 29°C (85°F), averaging around 15°C (59°F). Rainfall is significantly decreased to 66 mm (2.6 in) across about 8 days, and humidity levels drop to a more comfortable 64%. For more insights about September's climate, you can visit Piatra weather in September.

May and October present contrasting weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 28°C (83°F), with an average of 14°C (57°F). This month experiences significant rainfall, totaling 115 mm (4.5 in) over about 15 days, accompanied by a moderate humidity level of 71%. In contrast, October brings cooler temperatures, with a minimum of -4°C (24°F), an average of 10°C (50°F), and a maximum of 25°C (77°F). Precipitation in October is notably lower at 57 mm (2.3 in) over 9 days, but humidity increases to 83%, contributing to a crisp autumn feel. For more specific insights about Piatra's climate in October, you can check Piatra weather in October.

May and November weather present a striking contrast in temperature and conditions. May typically enjoys a milder temperature range, with a minimum of 0°C (32°F) and an average of 14°C (57°F), peaking at a maximum of 28°C (83°F). This month also experiences more rainfall, totaling 115 mm (4.5 in) over about 15 days, complemented by a humidity level of 71%. In contrast, November sees a significantly lower average temperature of 5°C (42°F), with minimums dropping to -7°C (19°F) and maximums reaching 23°C (74°F). Rainfall is less frequent, with only 44 mm (1.7 in) measured over 9 days, but the humidity levels increase to 91%, making the air feel quite damp. For more detailed insights on the weather during this month, check out Piatra weather in November.

May and December present a stark contrast in weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 28°C (83°F) during the day, with an average of 14°C (57°F) and relatively moderate precipitation of 115 mm (4.5 in) over 15 days. This month experiences a comfortable humidity level of 71%. In contrast, December is much colder, with temperatures dropping to a minimum of -12°C (11°F) and reaching a maximum of 13°C (55°F), averaging just 1°C (34°F). Precipitation is lower at 85 mm (3.4 in) over 14 days, but humidity is significantly higher at 92%. For more detailed information on the December climate, you can visit Piatra weather in December.

Compare Piatra's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Piatra

As May unfolds in Piatra, the transition to warmer weather becomes evident, offering a refreshing change from the cooler months preceding it. With a significant rise in temperatures, the pleasant warmth invites outdoor activities, while the increasing humidity adds a touch of vibrancy to the air. Although May sees its fair share of precipitation, the rain often brings life to the blooming scenery, creating a picturesque backdrop. This month stands out as a delightful blend of warmth and refreshment, making it a lovely time to explore the beauty of Piatra. For a deeper understanding of the climate throughout the year, visit Piatra Climate.