Last updated: August 27, 2025
In May, the charming town of Predeal, Romania, experiences a delightful transition into warmer weather, with maximum temperatures reaching 26°C (80°F) and an average of 13°C (56°F). However, the region is also met with a fair share of rain, totaling 111 mm (4.4 in) over approximately 17 days, enhancing the lush greenery of the landscape. The air remains fairly humid, averaging around 71%, contributing to the fresh and invigorating atmosphere. Visitors can expect a combination of sunny days perfect for outdoor activities and occasional showers ideal for cozy indoor moments.
In May, Predeal, Romania, experiences a delightful transition into spring, characterized by a noticeable increase in temperatures. With a minimum of 0°C (33°F) and an average rising to 13°C (56°F), locals and visitors alike can finally shed their winter layers. The maximum temperatures often reach a pleasant 26°C (80°F), making it an ideal time for outdoor activities amidst the stunning natural scenery. This month marks a clear departure from the frigid winter months, heralding warmer days ahead. As flowers bloom and the landscape transforms, May in Predeal invites everyone to embrace the delightful embrace of spring.
In May, Predeal, Romania experiences a notable surge in precipitation, with a total of 111 mm (4.4 in) falling over the month across 17 days. This represents a significant increase from the preceding months, indicating a shift towards wetter conditions as spring transitions into summer. The trend becomes even more pronounced when compared to April's rainfall of 62 mm (2.4 in), highlighting May as the wettest month yet. As the landscape becomes lush and vibrant, the increased rainfall sets the stage for the lush green vistas that characterize the region during the warmer months. This spike not only enriches the local flora but also marks the beginning of the region’s peak rainfall season, paving the way for the 165 mm (6.5 in) expected in June.
May in Predeal, Romania, marks a transition into a more temperate climate, characterized by a humidity level of 71%. This is a noteworthy decline from the damp, wintry months of January and February, which record humidity levels as high as 88% and 85%, respectively. As spring progresses, there's a refreshing dip in moisture, with April settling at 73%. Following May, the humidity continues to ease, reaching its annual low of 66% in July. This trend reflects a gradual shift towards the drier conditions of summer, providing a comfortable atmosphere for both locals and visitors to enjoy the scenic beauty of Predeal.
As May arrives in Predeal, Romania, the UV Index escalates to an impressive 8, marking the onset of very high exposure intensity. This spike indicates a significant shift from the previous months, with burn time dropping to just 15 minutes—a clear reminder to prioritize sun protection. Following April's high levels of 7, May's UV levels signal that outdoor enthusiasts should be especially cautious. With summer fast approaching, the trend shows a steady increase in UV radiation, peaking in June and July at 9. Whether you're hiking in the Carpathians or enjoying the fresh air, remember to check the Predeal UV Index for daily updates to ensure your safety under the sun.
UV Risk Categories
In Predeal, Romania, May brings a vibrant surge of sunlight, peaking with 392 hours of glorious sunshine that beautifully transitions into the summer months. After a gradual increase from 175 hours in January to 346 hours in April, May stands out as a striking turning point, signaling the onset of warmer days and longer evenings. This upward trend continues into June and July, which boast even more sunshine, ultimately reaching a maximum of 424 hours in July. The warming rays of May not only illuminate the stunning landscape but also energize the community, marking a delightful prelude to the sun-kissed adventures of summer.
In Predeal, Romania, the likelihood of sunny weather in May stands at 38%, which is on par with the preceding months of April and March. This trend suggests that while May does not promise abundant sunshine, it maintains a consistency reminiscent of the spring months. However, as summer approaches, the chances of sunny days rise significantly, with July peaking at 58% and August close behind at 57%. Thus, while May offers reasonable expectations for sun, the true delight of sunny skies awaits just around the corner in the heart of summer.
In Predeal, Romania, the daylight duration swells gradually as winter gives way to spring and summer. Starting from 9 hours in January, the sunlight hours increase steadily, reaching 14 hours in May—a clear sign of the approaching summer. This upward trend peaks in June and July, with 15 hours of daylight, allowing ample time for outdoor adventures. As summer wanes, daylight begins to recede, dropping to 12 hours in September, before further decline to 9 hours in November. This rhythmic transformation not only showcases the beauty of changing seasons but also invites residents and visitors alike to savor the vibrant, sunlit days of late spring and early summer in this picturesque mountain town.
In Predeal, Romania, the wind trends in May reflect a pleasant continuation of spring's gentle breezes, with an average wind speed of 2.3 m/s (5 mph). This aligns with February and March, where winds also hovered around the same range, creating a refreshing atmosphere ideal for outdoor activities. However, the month of April experienced a slight dip to 1.9 m/s (4 mph), hinting at calmer conditions as spring advanced. As May warmly embraces the cusp of summer, the resilience of these modest winds can be felt, offering the perfect backdrop for enjoying the blooming landscapes and engaging in recreational pursuits. Following May, the wind speed in June returns to 2.1 m/s, suggesting a consistent yet gentle wind pattern throughout this vibrant season.
Weather in Predeal varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Predeal, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a stark contrast in weather conditions. In May, temperatures range from a minimum of 0°C (33°F) to a pleasant maximum of 26°C (80°F), with an average of 13°C (56°F), making it a time of warming weather and blooming nature. However, this month also sees considerable precipitation, averaging 111 mm (4.4 in) over 17 days, contributing to a humidity level of 71%.
In contrast, January brings much colder temperatures, where the mercury can drop as low as -22°C (-7°F) with an average temperature of -2°C (28°F) and a maximum of only 11°C (52°F). The precipitation is significantly lower at 40 mm (1.6 in) spread across just 6 days, yet the humidity is notably high at 88%. For a closer look at what January weather is like, you can check Predeal weather in January.
The weather in May is significantly milder than in February, with temperatures ranging from a minimum of 0°C (33°F) to a pleasant average of 13°C (56°F) and peaking at 26°C (80°F). In contrast, February experiences much colder conditions, with temperatures dipping as low as -14°C (7°F) and averaging around 0°C (32°F), while only reaching a maximum of 16°C (62°F). Additionally, May sees more precipitation, totaling 111 mm (4.4 in) over 17 days, compared to February's 44 mm (1.7 in) spread over just 8 days. The humidity in February is also higher at 85%, while May has a relatively lower humidity level of 71%. For more detailed information about the February weather, visit Predeal weather in February.
May and March present contrasting weather conditions. In March, temperatures range from a chilly minimum of -14°C (8°F) to a mild maximum of 20°C (69°F), with an average temperature of 3°C (38°F). The precipitation in March totals 59 mm (2.3 in) over 11 days and the humidity sits at a high 82%, creating a damp and brisk atmosphere. In stark contrast, May enjoys a much warmer climate, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), averaging at 13°C (56°F). May also sees increased rainfall at 111 mm (4.4 in) over 17 days, but the humidity is slightly lower at 71%. For more detailed insights on the weather in March, check out Predeal weather in March.
In comparing the weather of May and April, May presents a more temperate climate with an average temperature of 13°C (56°F), while April has a cooler average of 8°C (47°F). The maximum temperature in May reaches 26°C (80°F), slightly higher than April's max of 25°C (77°F). Precipitation also increases in May, totaling 111 mm (4.4 in) over 17 days, compared to April's 62 mm (2.4 in) over 10 days. Interestingly, although May is wetter, the humidity levels are similar, with May at 71% and April at 73%. For a more detailed look at April's weather, you can check Predeal weather in April.
The weather in May and June shows a noticeable transition from cooler to warmer conditions. May experiences a wider temperature range, with minimums dipping to 0°C (33°F) and maximums reaching 26°C (80°F), resulting in an average temperature of 13°C (56°F). In contrast, June sees higher overall temperatures, with averages climbing to 18°C (64°F) and maximums peaking at 30°C (87°F), alongside minimums of 3°C (38°F). However, June also brings increased precipitation, totaling 165 mm (6.5 in) over 21 days compared to May's 111 mm (4.4 in) over 17 days. Humidity levels remain quite similar, with May at 71% and June slightly lower at 70%. For a detailed look at the conditions, visit Predeal weather in June.
In May, the weather is generally cooler and more varied, with temperatures ranging from a chilly 0°C (33°F) at night to a pleasant 26°C (80°F) during the day, averaging around 13°C (56°F). This month sees significant rainfall, with 111 mm (4.4 in) spread over 17 days, contributing to a relatively high humidity level of 71%.
In contrast, July offers warmer conditions, with minimum temperatures starting at 8°C (47°F) and reaching a maximum of 31°C (89°F), averaging around 19°C (67°F). Although July experiences slightly more precipitation at 141 mm (5.6 in) across 19 days, the humidity is lower at 66%, which can make the heat feel more comfortable. For more detailed information, check out Predeal weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of 0°C (33°F) to a comfortable maximum of 26°C (80°F), with an average of 13°C (56°F). This month experiences significant precipitation, totaling 111 mm (4.4 in) over 17 days, alongside a humidity level of 71%, resulting in a rather damp atmosphere. In comparison, August boasts a warmer climate, with minimum temperatures of 7°C (45°F) and highs reaching up to 33°C (92°F), averaging around 20°C (68°F). This month sees reduced precipitation at 91 mm (3.6 in) over just 13 days and considerably lower humidity at 48%, making for a much drier and more comfortable environment. For more detailed weather information, you can visit Predeal weather in August.
May and September offer distinct weather experiences, marking the transition between spring and autumn. In May, temperatures range from a chilly minimum of 0°C (33°F) to a pleasant maximum of 26°C (80°F), with an average of 13°C (56°F) and notable precipitation of 111 mm (4.4 in) spread over 17 days, contributing to a humidity level of 71%. In contrast, September showcases a broader temperature range, with a minimum of -2°C (28°F) and a maximum of 31°C (88°F), averaging 15°C (60°F). This month is significantly drier, with only 44 mm (1.7 in) of precipitation over 7 days and lower humidity at 57%. For more detailed insights about September weather, you can visit Predeal weather in September.
May and October exhibit distinct weather characteristics that reflect the transition between spring and autumn. In May, temperatures range from a minimum of 0°C (33°F) to a maximum of 26°C (80°F), with an average of 13°C (56°F). This month sees substantial precipitation, totaling 111 mm (4.4 in) over approximately 17 days, and humidity levels average around 71%. In contrast, October features cooler temperatures, with a minimum of -3°C (27°F) and an average of 10°C (50°F), peaking at 24°C (76°F). Additionally, October experiences less rainfall at 67 mm (2.6 in) across 8 days, while humidity rises slightly to 79%. For more specific details, visit Predeal weather in October.
May and November present distinctly different weather patterns, reflecting the transition from spring to late autumn. In May, temperatures range from a chilly minimum of 0°C (33°F) to a comfortable maximum of 26°C (80°F), with an average temperature of 13°C (56°F). This month also sees a fair amount of rainfall, totaling 111 mm (4.4 in) over 17 days, along with a humidity level of 71%. In contrast, November experiences cooler conditions, with temperatures dropping significantly; the minimum can reach -9°C (17°F), while the average is just 5°C (41°F) and the maximum peaks at 23°C (74°F). Precipitation decreases to 47 mm (1.9 in) across 10 days, and humidity rises to 87%. For a detailed look at November’s weather specifics, check out Predeal weather in November.
May and December present strikingly different weather patterns. In May, temperatures range from a chilly 0°C (33°F) at night to a pleasant 26°C (80°F) during the day, with an average temperature of 13°C (56°F). The month also sees significant rainfall, accumulating 111 mm (4.4 in) over 17 days and accompanied by a moderate humidity level of 71%. In contrast, December brings much colder conditions with a minimum temperature of -14°C (7°F), averaging around 0°C (33°F), and a maximum of 13°C (55°F). Precipitation decreases to 80 mm (3.1 in) over 11 days, but the humidity rises to a notably higher 88%, adding to the overall chill. For a closer look at December weather specifics, you can refer to Predeal weather in December.
In Predeal, May marks a delightful transition from the chill of spring to the warmth of summer. With average temperatures climbing to a comfortable 13°C, the days become pleasantly mild, inviting outdoor activities. However, May is also notable for its higher humidity and frequent precipitation—with rain expected on nearly 17 days. By contrast, the earlier months typically feature cooler temperatures and less rain, while the increasing warmth and lush landscapes of late spring create a vibrant atmosphere. For a deeper dive into the seasonal patterns, check out Predeal Climate.