May Weather in Bicaz, Romania

Last updated: August 27, 2025

Experience the charming allure of Bicaz, Romania, in May, where temperatures range from a maximum of 25°C (78°F) to a refreshing average of 12°C (53°F), with occasional chills dipping to a brisk minimum of -3°C (27°F). As spring unfolds, the region sees 114 mm (4.5 in) of precipitation over 17 days, contributing to the lush, vibrant landscapes. With a humidity level of 73%, this month captures the essence of nature’s rejuvenation, making it a perfect time for outdoor enthusiasts to explore the breathtaking scenery.

May Temperature in Bicaz

In Bicaz, Romania, May marks a significant transition into the warmth of spring, where temperatures start to rise noticeably from the colder months. The month opens with a chill, featuring a minimum temperature of -3°C (27°F), but quickly shifts to a more comfortable average of 12°C (53°F), reaching a pleasant maximum of 25°C (78°F). This upward trend in temperature highlights the region’s gradual awakening from winter, making May an ideal time for outdoor activities and exploration. The contrast to the preceding months is stark; after enduring the harsh cold of January through April, locals and visitors alike can relish the increasing mildness, signaling the onset of a vibrant, blooming season ahead.

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

The chart illustrates May temperature patterns in Bicaz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bicaz, 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).
JanFebMarAprMayJunJulAugSepOctNovDec252934435361636455463730
Data source: Temperature data for Bicaz 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 Bicaz

In May, Bicaz, Romania experiences a significant spike in precipitation, with an impressive 114 mm (4.5 in) of rain falling over 17 days. This increase marks a notable departure from the previous months, where January through April saw much less cumulative rainfall, hovering around 53 mm. The transition into late spring not only brings a greater volume of moisture but also introduces a more frequent pattern of rain. As June approaches, precipitation continues to rise, peaking at 159 mm (6.3 in), further establishing May as a key month that sets the stage for the lush, vibrant landscapes of summer in the region. With its higher rainfall days, May stands out as a pivotal time, contributing significantly to the annual hydrological cycle in Bicaz.

May Precipitation Trends in Bicaz

The chart displays monthly precipitation patterns in Bicaz, 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 Bicaz, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec274554531141591088350363355
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bicaz

In Bicaz, Romania, May heralds a notable shift in humidity trends, with levels dipping to 73%. This moderate decline from the wetter months of winter and spring reflects a gradual transition towards the drier summer months. Following the high humidity of 92% in January and 88% in February, April sees a decrease to 79%, paving the way for May's more comfortable conditions. As the year progresses, particularly into the summer, humidity continues to slide down, reaching its lowest point of 56% in August. This overall trend highlights a refreshing relief from the oppressive wetness witnessed in the earlier months, making May a pleasant time to experience the beauty of this picturesque region.

May Average Humidity in Bicaz

This chart illustrates the average monthly humidity levels in Bicaz, 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 Bicaz is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%88%86%79%73%73%69%56%62%81%89%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bicaz

As May rolls into Bicaz, Romania, the UV Index reaches 8, marking a significant increase from the previous months. This shift places the exposure category into the very high range, with a reduced burn time of just 15 minutes. It's a clear indication that as spring transitions into summer, sun safety becomes increasingly crucial. April's UV Index of 6 demonstrates a steady upward trend, and with June poised to peak at 9, residents and visitors should prepare for heightened sun exposure. To stay informed and protect your skin, check the UV Index daily, especially during this vibrant month. For more insights, visit Bicaz UV Index.

Maximum UV Index Levels in Bicaz for May

The chart shows the monthly maximum UV Index (UVI) for Bicaz 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 Bicaz typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987432
Data source: Bicaz 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 Bicaz

In Bicaz, Romania, the arrival of May marks a delightful transition into the sunniest months of the year, with a notable 394 hours of sunshine. This represents a gradual climb from the 346 hours recorded in April, showcasing an invigorating increase that invites outdoor adventures and exploration. As the landscape bursts into life, May stands out as a pivotal month, anticipating the peak sunshine of July, which boasts 422 hours. Following the slower winter months, where sunshine dipped to a mere 168 hours in January, the steady ascent is a testament to the region's vibrant spring and early summer. The trend highlights not just warm weather, but also a growing engagement with the natural beauty of Bicaz, making it an ideal time for residents and visitors alike to soak up the rejuvenating rays.

Monthly Sunshine Duration in Bicaz: May Highlighted

The May sunshine duration represents the total number of hours Bicaz 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.
JanFebMarAprMayJunJulAugSepOctNovDec168h220h295h346h394h399h422h407h337h288h230h181h
Data source: Bicaz May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bicaz During May

In Bicaz, Romania, the likelihood of sunny weather in May stands at 35%, maintaining a steady trend that echoes the preceding months. While May experiences a slight dip compared to April's 38%, it is still more favorable than the winter months, where sunshine chances languish below 36%. This indicates a gradual transition towards sunnier days as spring unfolds, with the promise of increased sunshine on the horizon, particularly in July, which boasts the highest probability at 42%. Overall, May offers a balanced mix of light and cloud, setting the stage for the vibrant summer ahead.

Percentage of Sunny Days in May in Bicaz

The chart illustrates the percentage of sunny days in Bicaz 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 Bicaz experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%36%35%38%36%30%42%39%31%46%40%20%
Data source: Bicaz May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bicaz in May

As spring transitions into summer in Bicaz, Romania, the daylight duration experiences a remarkable increase, culminating in a peak of 15 hours by May. This month marks a notable shift from the 8 hours of daylight in January, signifying the approach of longer, sun-filled days. April already hints at this change with 13 hours of light, but May truly embraces the warmth and vibrancy of the season, inviting more outdoor activities and exploration. Following May, daylight hours plateau throughout June and July, before beginning to gradually decrease again in August. By September, the daylight drops to 12 hours, leading into autumn's shorter days yet retaining a comforting warmth through the early fall. The steady rise and gentle decline of daylight throughout the year create a beautiful rhythm that perfectly encapsulates the changing seasons in this picturesque Romanian destination.

Average Daylight Hours in Bicaz for May

The chart illustrates the variation in daylight duration in Bicaz throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 57m10h 16m11h 56m13h 37m15h 5m15h 49m15h 26m14h 8m12h 30m10h 49m9h 20m8h 33m
Data source: Bicaz daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bicaz

In Bicaz, Romania, May marks a gentle transition in wind patterns, with an average wind speed of 2.3 m/s (5 mph). This slight uptick from the previous month reflects a subtle blooming of energy as spring gives way to summer, contrasting with April's lower average of 2.0 m/s (4 mph). Notably, the winds have been relatively consistent during this period, hovering around 2.3 m/s in both May and June. Interestingly, the year sees its highest winds in the early months—January through March—where speeds gradually decline, hitting their lowest in the summer months. As May progresses, residents can enjoy the fresh air amidst blooming landscapes, while the moderate breeze adds a refreshing touch to the warm days ahead.

Average May Wind Speed in Bicaz

The chart displays monthly wind speed patterns in Bicaz, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.52.62.02.3 m/s2.31.91.61.91.91.92.3
Data source: Bicaz May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bicaz Compares to Other Months

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

May and January present starkly different weather contrasts. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F), making it a month of noticeable warmth as spring unfolds. However, it also sees considerable precipitation, totaling 114 mm (4.5 in) over approximately 17 days, coupled with a humidity level of 73%.

In contrast, January is significantly colder, with temperatures plummeting to a minimum of -23°C (-9°F) and only reaching a maximum of 10°C (50°F), averaging -4°C (25°F). This month experiences far less precipitation, totaling just 27 mm (1.1 in), spread across about 6 days, but the humidity is notably higher at 92%. For more detailed insights, you can refer to Bicaz weather in January.

May and February present distinct contrasts in weather. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F). This month also sees higher precipitation at 114 mm (4.5 in) across 17 days, accompanied by a moderate humidity of 73%. Conversely, February is notably colder, with temperatures dipping as low as -19°C (-2°F) and only reaching a maximum of 16°C (61°F), averaging around -1°C (30°F). Precipitation drops to 45 mm (1.8 in) over 10 days, but the humidity is higher at 88%. For more detailed information, you can explore Bicaz weather in February.

The weather in May is markedly warmer and more pleasant compared to March. In May, temperatures range from a minimum of -3°C (27°F) to a comfortable maximum of 25°C (78°F), with an average of 12°C (53°F). This month experiences about 114 mm (4.5 in) of precipitation over 17 days, with a humidity level of 73%. In contrast, March is much colder, featuring temperatures from -24°C (-10°F) to a maximum of 20°C (68°F), with an average temperature just above freezing at 1°C (34°F). Although March has lower precipitation at 54 mm (2.1 in) over 13 days, the humidity is slightly higher at 86%. For more details on March weather, visit Bicaz weather in March.

In comparing the weather between April and May, it’s evident that May experiences a milder climate overall, with average temperatures rising from 6°C (44°F) in April to 12°C (53°F) in May. April has cooler nights, with minimum temperatures dipping to -8°C (18°F), while May offers slightly warmer nights with a minimum of -3°C (27°F). Precipitation also increases in May, with 114 mm (4.5 in) falling over 17 days, compared to April's 53 mm (2.1 in) over 10 days. Interestingly, humidity is slightly lower in May at 73% compared to April's 79%. For those interested in more details, check out Bicaz weather in April.

In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 25°C (78°F), with an average of 12°C (53°F). The month experiences 114 mm (4.5 in) of precipitation over 17 days, maintaining a humidity level of 73%. In contrast, June sees slightly warmer temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), averaging around 16°C (61°F). However, it also brings increased rainfall, totaling 159 mm (6.3 in) across 19 days, while humidity remains steady at 73%. For more details on June weather, visit Bicaz weather in June.

In May, temperatures begin to warm up, with a minimum of -3°C (27°F) and an average of 12°C (53°F), reaching a maximum of 25°C (78°F). The month experiences substantial rainfall, totaling 114 mm (4.5 in) over 17 days, with humidity levels sitting at a relatively high 73%. In contrast, July sees milder conditions, with minimum temperatures rising to 5°C (42°F) and an average of 17°C (63°F), peaking at 29°C (85°F). Rainfall slightly decreases to 108 mm (4.2 in) over 15 days, and humidity also dips to 68%. For more detailed information, you can explore Bicaz weather in July.

May presents a cooler climate with temperatures ranging from a low of -3°C (27°F) to a pleasant high of 25°C (78°F) and an average of 12°C (53°F). However, the month tends to be quite wet, experiencing 114 mm (4.5 in) of precipitation over 17 days, combined with high humidity at 73%. In contrast, August features warmer conditions with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 31°C (88°F), averaging around 18°C (64°F). This month enjoys less precipitation, with only 83 mm (3.3 in) falling over just 10 days, and the humidity drops to a more comfortable 56%. For more details, visit Bicaz weather in August.

May typically experiences a wider temperature range, with minimums dipping to -3°C (27°F) and maximums reaching up to 25°C (78°F). The average temperature hovers around 12°C (53°F), accompanied by significant precipitation of 114 mm (4.5 in) over 17 days, contributing to a relatively high humidity level of 73%. In contrast, September sees a milder climate, with an average temperature of 13°C (56°F) and maximums peaking at 30°C (86°F). Precipitation drops to 50 mm (2.0 in) over only 9 days, resulting in lower humidity at 62%. For a more detailed insight into September weather in this region, you can check Bicaz weather in September.

May and October present contrasting weather conditions characterized by their temperature ranges and humidity levels. In May, temperatures can fluctuate from a chilly -3°C (27°F) at night to a warm 25°C (78°F) during the day, averaging around 12°C (53°F). This month also experiences relatively high precipitation, with 114 mm (4.5 in) spread over 17 days, resulting in a humidity level of 73%. In contrast, October brings slightly cooler temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 24°C (75°F), with an average of 8°C (46°F). The month is significantly drier, recording only 36 mm (1.4 in) of precipitation over just 6 days and a higher humidity of 80%. This shift in weather illustrates the transition from the lush vitality of spring to the crispness of autumn. For more detailed insights, you can check the specifics on Bicaz weather in October.

In May, the weather is relatively mild, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 25°C (78°F) and an average of 12°C (53°F). The month is characterized by higher precipitation, with 114 mm (4.5 in) falling over 17 days, and humidity levels averaging around 73%. In contrast, November is considerably colder, with a minimum temperature of -13°C (9°F) and an average of just 3°C (37°F), although it can still reach a maximum of 19°C (67°F). Precipitation is much lower at 33 mm (1.3 in) over just 6 days, but humidity levels rise significantly to an average of 89%. For more details, check the Bicaz weather in November.

May and December present striking contrasts in weather. In May, temperatures range from a chilly -3°C (27°F) at night to a pleasant 25°C (78°F) during the day, with an average of 12°C (53°F). This month experiences around 114 mm (4.5 in) of precipitation over 17 days, accompanied by a humidity level of 73%. In contrast, December is much colder, with temperatures dropping significantly to a minimum of -23°C (-8°F) and peaking at 12°C (53°F), averaging around -1°C (30°F). Precipitation decreases to 55 mm (2.2 in) over 11 days, but humidity rises to a higher 90%. For a detailed look at December weather, check out Bicaz weather in December.

Compare Bicaz's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Bicaz

As May unfolds in Bicaz, the weather transitions markedly from the lingering chill of winter to the initial warmth of summer. With average temperatures settling around a comfortable 12°C, residents and visitors alike experience a refreshing change, although the month can still dip into frosty nights. This time of year is characterized by significant precipitation, with rain gracing the region on about half the days, contributing to an environment that bursts with greenery and life. Compared to the drier, colder preceding months, May's combination of moderate temperatures and elevated humidity creates a vibrant backdrop perfect for exploring the stunning natural landscapes. To learn more about seasonal weather trends, be sure to check Bicaz Climate.