May Weather in Biertan, Romania

Last updated: August 27, 2025

May in Biertan, Romania brings a delightful blend of spring warmth and occasional showers, making it a picturesque time to experience this charming village. With maximum temperatures reaching 30°C (86°F), the days invite outdoor exploration, while the average temperature hovers around 16°C (60°F), offering comfortable evenings. However, the weather can be unpredictable, as evidenced by 107 mm (4.2 in) of precipitation spread over 16 days, contributing to the region's lush greenery. Expect humidity levels at 71%, which can make the air feel quite balmy. Embrace the vibrant atmosphere of May in Biertan, with its enchanting landscapes and rich cultural heritage, all enhanced by the invigorating spring climate.

May Temperature in Biertan

In May, Biertan, Romania, experiences a delightful transition as spring fully unfolds. With minimum temperatures hovering around 1°C (34°F) and soaring to a maximum of 30°C (86°F), the month boasts an average temperature of 16°C (60°F). This pleasing warmth marks a significant shift from the cool early months of the year, creating an inviting atmosphere for outdoor activities and exploration. As the temperature trend ascends from the chilly depths of winter, visitors can look forward to increasingly pleasant days highlighted by vibrant blooming landscapes, making May the perfect time to savor the scenic beauty of this charming locale.

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

The chart illustrates May temperature patterns in Biertan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biertan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293642526068707162524335
Data source: Temperature data for Biertan 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 Biertan

May brings a significant surge in precipitation to Biertan, Romania, with rainfall amounting to 107 mm (4.2 in) over 16 days. This marks a notable increase compared to the previous months, highlighting May as one of the wettest periods of the year. The rainfall, coupled with extended precipitation days, sets the stage for the lush greenery characteristic of late spring in the region. As the warmth of June approaches with even higher precipitation levels, May serves as a pivotal transition, showcasing nature's vibrant rejuvenation after the drier, cooler months of winter and early spring.

May Precipitation Trends in Biertan

The chart displays monthly precipitation patterns in Biertan, 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 Biertan, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec314656521071221086352483062
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Biertan

In Biertan, Romania, May marks a notable transition in humidity levels, with an average of 71%. This marks a decrease from the preceding months, which experienced higher humidity levels—peaking at 93% in January and gradually diminishing to 79% by April. As spring gives way to summer, the humidity stabilizes at 71%, a trend that continues into June. This shift not only signals the warming weather but also enhances the overall comfort of outdoor activities, making May a delightful month to explore the charms of this picturesque village. Notably, the months following May, such as July and August, see humidity levels dropping further, creating a lovely balance of warmth without the overwhelming dampness characteristic of the earlier months.

May Average Humidity in Biertan

This chart illustrates the average monthly humidity levels in Biertan, 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 Biertan 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 Biertan

As spring transforms into summer in Biertan, Romania, the UV Index sharply rises, reaching a notable 8 in May, indicating a very high exposure category. This spike signifies that residents and visitors should take extra precautions against sun damage, as the recommended burn time drops to just 15 minutes. Notably, this increase follows a gradual ascent from a low of 2 in January to moderate levels in March and April, showcasing a clear trend toward heightened sun exposure as the year progresses. With the UV Index remaining high through June and July, it’s essential to stay protected. For detailed information on UV levels throughout the year, check out Biertan UV Index.

Maximum UV Index Levels in Biertan for May

The chart shows the monthly maximum UV Index (UVI) for Biertan 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 Biertan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987532
Data source: Biertan 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 Biertan

As spring blossoms into summer in Biertan, Romania, the sunlight begins to grace the landscape with increasing intensity. May shines brightly, boasting an impressive 392 hours of sunshine, a vibrant leap from the 344 hours recorded in April. This trend continues into June, which enjoys even more daylight at 405 hours, marking the height of the sunlit season. The gradual ascent from the dreary 162 hours in January to the lively May reflects how the region awakens and thrives under the sun's warmth. Meanwhile, as summer progresses into August and September, sunshine hours ebb slightly but still remain generous, demonstrating a picturesque seasonal cycle that captivates both locals and visitors alike.

Monthly Sunshine Duration in Biertan: May Highlighted

The May sunshine duration represents the total number of hours Biertan 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h221h289h344h392h405h420h403h337h285h226h181h
Data source: Biertan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biertan During May

In Biertan, Romania, the likelihood of sunny weather in May stands at 38%, marking a slight dip from the previous months of April, which shares the same percentage, and March, which sees a promising 39%. This period captures the transition into summer, with daylight growing longer and temperatures rising. As we glance ahead to June, the chance of sunshine climbs to 43%, signaling that brighter days are just around the corner. While May may not be the sunniest month in the calendar, it's certainly a precursor to the more consistently sunny days of late spring and summer, making it a delightful time to enjoy the blossoming countryside.

Percentage of Sunny Days in May in Biertan

The chart illustrates the percentage of sunny days in Biertan 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 Biertan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%34%39%39%38%43%56%56%48%52%37%16%
Data source: Biertan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biertan in May

As spring unfolds in Biertan, Romania, daylight duration steadily increases, peaking in the summer months. In May, residents enjoy a delightful 14 hours of sunlight, marking a noticeable shift from the shorter days of winter, which only offer 9 hours in January. Transitioning from the vibrant 11 hours in March and the blossoming 13 hours in April, May is a time of abundance and warmth, setting the stage for the longest days of the year in June and July. This gradual increase not only enhances outdoor activities but also evokes a sense of joy as the community basks in the extended hours of natural light, paving the way for the bright and lively summer season ahead.

Average Daylight Hours in Biertan for May

The chart illustrates the variation in daylight duration in Biertan throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 59m15h 41m15h 19m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Biertan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Biertan

In Biertan, Romania, May ushers in a subtle uptick in wind speed, averaging 2.5 m/s (6 mph), which provides a refreshing contrast to the preceding months. While January through April linger around the lower end of the spectrum, consistently hovering between 2.2 m/s (5 mph) and 2.6 m/s (6 mph), May marks a brief resurgence before summer brings calmer breezes. Interestingly, this slight increase in wind not only enhances the vibrant atmosphere of the blooming spring landscapes but also hints at the transition into the warmer months, where June and August see a drop back down to 1.9 m/s (4 mph). Thus, May stands out as a sweet spot in Biertan’s wind patterns, gently bridging the coolness of spring with the heat of approaching summer.

Average May Wind Speed in Biertan

The chart displays monthly wind speed patterns in Biertan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.42.22.22.5 m/s1.92.11.92.22.42.02.3
Data source: Biertan May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Biertan Compares to Other Months

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

May and January exhibit striking contrasts in weather conditions. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (60°F). The month experiences considerable precipitation, totaling 107 mm (4.2 inches) over 16 days, and has a moderate humidity level of 71%. In contrast, January is significantly colder, with temperatures dropping as low as -29°C (-19°F) and averaging -2°C (30°F), peaking at just 15°C (59°F). The month sees much less precipitation at 31 mm (1.2 inches) over 7 days, accompanied by a high humidity level of 93%. For more detailed information about January weather, you can check Biertan weather in January.

May and February present stark contrasts in weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 30°C (86°F) during the day, with an average of 16°C (60°F). This month experiences higher precipitation levels, totaling 107 mm (4.2 in) over about 16 days, alongside a humidity of 71%. Conversely, February is much colder, with temperatures dipping to a minimum of -11°C (12°F) and averaging just 2°C (36°F), peaking at 17°C (62°F). February sees less precipitation, at 46 mm (1.8 in) over roughly 9 days, but has higher humidity at 88%. For a more detailed look at February weather, you can explore Biertan weather in February.

The weather in May is considerably milder compared to March, showcasing a significant increase in temperature. In May, temperatures range from a minimum of 1°C (34°F) to a pleasant average of 16°C (60°F), reaching a maximum of 30°C (86°F). In contrast, March experiences much colder conditions, with temperatures dipping as low as -11°C (13°F) and averaging only 5°C (42°F). Although March can peak at 25°C (76°F), this is less frequent. Precipitation is more pronounced in May, with 107 mm falling over 16 days, compared to March's 56 mm over 11 days. Additionally, March has a higher humidity level at 86%, while May's humidity sits at a comfortable 71%. For more detailed information on March weather, you can visit Biertan weather in March.

In comparing the weather patterns between April and May, it's evident that May generally offers warmer temperatures, with an average of 16°C (60°F) compared to April's 11°C (52°F). Although April can experience colder spells, with a minimum temperature of -6°C (22°F), May brings milder nights with a minimum of 1°C (34°F). While May sees increased precipitation at 107 mm (4.2 in) over 16 days, April's rainfall is notably lighter at 52 mm (2.0 in) across just 10 days. However, April features slightly higher humidity at 79%, compared to May's 71%. For those interested in more details about April weather, you can check Biertan weather in April.

In May, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 30°C (86°F), with an average of 16°C (60°F). The month sees approximately 107 mm (4.2 in) of precipitation over 16 days, while humidity remains fairly high at 71%. In contrast, June brings warmer weather, with temperatures starting at a minimum of 7°C (45°F) and peaking at 34°C (93°F), resulting in an average of 20°C (68°F). Precipitation increases slightly to 122 mm (4.8 in) spread across 18 days, maintaining the same humidity level of 71%. For more details, check Biertan weather in June.

May and July present distinct yet somewhat comparable weather patterns. In May, temperatures range from a chilly minimum of 1°C (34°F) to a warm 30°C (86°F), with an average temperature of 16°C (60°F). However, it is also a relatively damp month, experiencing 107 mm (4.2 in) of precipitation over 16 days, coupled with a humidity level of 71%. In contrast, July is warmer, with temperatures spanning from a minimum of 9°C (49°F) to a maximum of 35°C (94°F) and an average temperature of 21°C (70°F). Although it shares the same total precipitation of 107 mm (4.2 in), July sees slightly fewer rainy days (15) and lower humidity at 64%. For more details on July weather in a specific location, check out Biertan weather in July.

May and August showcase a stark contrast in weather patterns. In May, temperatures can fluctuate dramatically, ranging from a chilly minimum of 1°C (34°F) to a comfortable average of 16°C (60°F), peaking at a warm 30°C (86°F). This month also experiences higher precipitation, totaling 107 mm (4.2 in) over approximately 16 days, contributing to a humid atmosphere with an average humidity of 71%.

In contrast, August tends to be warmer and drier, with minimum temperatures starting at 8°C (47°F) and averaging 22°C (72°F), while reaching highs of 36°C (98°F). Precipitation drops significantly to 63 mm (2.5 in) over just 9 days, leading to a much lower humidity level of 55%. This creates a more comfortable and less damp summer experience. For further details, you can visit Biertan weather in August.

May and September offer distinct weather contrasts. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 30°C (86°F) during the day, making for a broad temperature variation with an average of 16°C (60°F). The month is relatively wet, receiving 107 mm (4.2 in) of precipitation over about 16 days, coupled with a humidity level of 71%. In contrast, September boasts slightly cooler nights with a minimum temperature of 0°C (32°F) and a maximum of 32°C (91°F), leading to a higher average temperature of 17°C (63°F). The month is much drier, with only 52 mm (2.1 in) of precipitation over just 7 days and lower humidity at 64%. For more detailed insights, you can check out Biertan weather in September.

May and October present contrasting weather profiles, with May showcasing warmer temperatures that range from a chilly 1°C (34°F) at night to a pleasant average of 16°C (60°F) and highs reaching up to 30°C (86°F). This month experiences approximately 107 mm (4.2 in) of precipitation over about 16 days, paired with a humidity level of 71%. In contrast, October brings cooler conditions, with temperatures dropping to a minimum of -3°C (27°F) and averaging around 11°C (52°F), while still allowing for highs of 28°C (83°F) on warmer days. Rainfall is considerably less, at 48 mm (1.9 in) over only 7 days, yet the humidity increases to 83%. For more specific insights into October weather, you can check Biertan weather in October.

May and November present quite a contrast in weather patterns. In May, temperatures range from a chilly 1°C (34°F) to a warm 30°C (86°F), with an average of 16°C (60°F) and notable humidity at 71%. The month experiences relatively high precipitation of 107 mm (4.2 in) over approximately 16 days. In contrast, November brings much cooler conditions, with temperatures dipping to a minimum of -7°C (20°F) and an average of only 6°C (43°F), peaking at 25°C (76°F). This month is characterized by lower precipitation at 30 mm (1.2 in) spread over 8 days, yet humidity rises to a higher level of 91%. For a detailed look at the weather specifics in November, check out Biertan weather in November.

May and December showcase a striking contrast in weather conditions. In May, temperatures vary significantly, with minimums around 1°C (34°F) and maximums reaching up to 30°C (86°F), resulting in an average of 16°C (60°F). This month experiences considerable rainfall, totaling 107 mm (4.2 in) over approximately 16 days, accompanied by a moderate humidity level of 71%. In contrast, December brings much colder temperatures, with a minimum of -12°C (11°F) and an average of just 2°C (35°F). Although it is less rainy, with 62 mm (2.4 in) of precipitation over 12 days, December's humidity is also higher, at 92%. For a more detailed look at the atmospheric conditions in this month, you can visit Biertan weather in December.

Compare Biertan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Biertan

May in Biertan ushers in a refreshing shift from the chill of earlier months, offering a blend of warmth and occasional showers. As temperatures rise, the town experiences a delightful contrast, with the days becoming noticeably sunnier yet interspersed with significant rainfall, making it a vibrant period for nature to flourish. The humidity adds to the charm, ensuring the landscape is lush and alive. This month, with its unique weather patterns, sets the stage for a beautiful transition into summer while showcasing the beauty of Biertan in bloom. For more detailed information on the climate, visit Biertan Climate.