May Weather in Trebinje, Bosnia and Herzegovina

Last updated: August 21, 2025

Experience the charming May weather of Trebinje, Bosnia and Herzegovina, where the climate is a delightful blend of warmth and freshness. With temperatures peaking at a maximum of 26°C (80°F) and an average of 16°C (61°F), this month invites locals and travelers alike to bask in its pleasant ambiance. However, mornings can be brisk, with temperatures dipping to a minimum of 5°C (42°F). Expect some rain throughout the month, as 117 mm (4.6 in) of precipitation falls over 14 days, contributing to a humidity level of 74%. Whether you’re enjoying the lush landscape or exploring the vibrant culture, May in Trebinje is a refreshing getaway that captivates the senses.

May Temperature in Trebinje

In May, Trebinje, Bosnia and Herzegovina, comes alive with the warmth of spring, showcasing a significant shift in temperatures. The minimum temperature rises to a comfortable 5°C (42°F), while the average climbs to a pleasant 16°C (61°F), and peaks at a delightful 26°C (80°F). This month marks a notable progression from April's cooler conditions, inviting outdoor activities and exploration of the region's stunning landscapes. As the days grow longer and sunnier, May offers a perfect balance of warmth without the intensity of summer heat, making it an ideal time to enjoy everything Trebinje has to offer.

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

The chart illustrates May temperature patterns in Trebinje, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trebinje, 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).
JanFebMarAprMayJunJulAugSepOctNovDec404547536169737567595245
Data source: Temperature data for Trebinje 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 Trebinje

In May, Trebinje experiences a shift in its weather profile as precipitation begins to taper off from the earlier months, with 117 mm (4.6 in) of rain recorded. While this amount is significant, it's notably less than the downpours of February and March, which both exceeded 160 mm. The month also sees an increase in rainy days, totaling 14, hinting at a transition to a wetter spring before summer approaches. This trend illustrates the region's variable climate, where the lush, vibrant landscape thrives on the spring rains, yet starts hinting at the much drier months to come, notably June and July, which drop to 58 mm and 38 mm respectively. Thus, May acts as a bridge, balancing between generous spring rains and the onset of summer dryness.

May Precipitation Trends in Trebinje

The chart displays monthly precipitation patterns in Trebinje, 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 Trebinje, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12417316012211758384197141291259
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Trebinje

As spring transitions into summer, May in Trebinje experiences a slight dip in humidity, with levels hovering around 74%. This marks a continuation of the declining trend from the earlier months, where April saw 75% humidity. Compared to the chilly winter months, which peaked at 88% in January, May's humidity offers a more comfortable atmosphere, paving the way for the warm, drier conditions of June, where humidity drops further to 66%. Observing the month-to-month changes highlights a gradual cozying of the climate, enhancing the outdoor experience in this picturesque town as it steps into the vibrant summer season.

May Average Humidity in Trebinje

This chart illustrates the average monthly humidity levels in Trebinje, 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 Trebinje is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trebinje

In May, Trebinje experiences a significant surge in UV intensity, with the UV Index soaring to 9, categorizing it as very high. This sharp increase from April's UV Index of 7 indicates a trend toward greater sun exposure as the region transitions into summer. With a burn time of just 15 minutes, residents and visitors alike should take extra precautions, such as wearing protective clothing and applying sunscreen, to safeguard against skin damage. As the days grow warmer and sunnier, it’s crucial to be mindful of the sun's strength. For more details on Trebinje's UV levels, visit Trebinje UV Index.

Maximum UV Index Levels in Trebinje for May

The chart shows the monthly maximum UV Index (UVI) for Trebinje 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 Trebinje typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097632
Data source: Trebinje 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 Trebinje

As May unfolds in Trebinje, Bosnia and Herzegovina, residents and visitors alike are treated to a delightful surge of sunshine, basking in an impressive 398 hours of bright daylight. This marks a noticeable increase from the 351 hours in April, signaling the transition into the sun-soaked summer months. The trend of rising sunshine hours continues into June, suggesting that May acts as a vibrant precursor to the peak of summer, where the hours reach a splendid 416. This uplifting pattern not only enhances the beauty of Trebinje's picturesque landscapes but also inspires outdoor adventures and leisurely pursuits, making May a perfect month to explore the charm of this enchanting region.

Monthly Sunshine Duration in Trebinje: May Highlighted

The May sunshine duration represents the total number of hours Trebinje 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.
JanFebMarAprMayJunJulAugSepOctNovDec189h240h318h351h398h416h433h404h344h312h233h216h
Data source: Trebinje May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trebinje During May

In May, Trebinje, Bosnia and Herzegovina, enjoys a 53% chance of sunny weather, making it a delightful time to experience the blossoming landscape. This month marks a transitional phase as sunshine begins to dominate the early spring gloom, following a notable dip in sunshine hours during April, which had a lower probability of sunny days at 45%. As the year progresses into summer, June boasts a significant leap in sunshine with 70%, suggesting that May provides a glimpse of the brighter days ahead. Overall, while May's weather is somewhat unpredictable, it still holds promising potential for those seeking to bask in the sun's light before the summer heat fully sets in.

Percentage of Sunny Days in May in Trebinje

The chart illustrates the percentage of sunny days in Trebinje 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 Trebinje experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%52%55%45%53%70%75%76%57%55%27%41%
Data source: Trebinje May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trebinje in May

As May arrives in Trebinje, Bosnia and Herzegovina, the daylight duration reaches a pleasant 14 hours, a clear sign that spring is in full swing. Following the gradual increase from a mere 9 hours in January, the month of May marks a peak before the days begin to shorten again in the summer's tail end. After a leap to 13 hours in April, May's extended daylight not only heralds the beauty of blooming landscapes but also invites locals and visitors alike to embrace outdoor activities under the sun. The trend shows a steady ascent from winter's low-light despair to the vibrant energy of summer, promoting a lively and engaging atmosphere as daylight lingers longer into the evening.

Average Daylight Hours in Trebinje for May

The chart illustrates the variation in daylight duration in Trebinje throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 32m11h 57m13h 24m14h 38m15h 15m14h 55m13h 50m12h 26m11h9h 44m9h 4m
Data source: Trebinje daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Trebinje

In Trebinje, Bosnia and Herzegovina, May brings a gentle breeze, with an average wind speed of 3.1 m/s (7 mph), maintaining the same calmness seen in April. This stability in wind patterns is part of a noticeable trend; as spring unfolds, wind speeds gradually decrease from the blustery start of the year, where January and February average around 3.5 m/s (8 mph) and 3.4 m/s (8 mph), respectively. By contrast, summer ushers in even calmer days, with June and July registering at just 2.4 m/s (5 mph). This decline from the earlier months signifies a shift towards the warmer and more tranquil days of summer, inviting outdoor activities and leisurely afternoons in the enchanting landscapes of Trebinje.

Average May Wind Speed in Trebinje

The chart displays monthly wind speed patterns in Trebinje, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.43.33.13.1 m/s2.42.42.52.22.93.33.7
Data source: Trebinje May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Trebinje Compares to Other Months

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

When comparing the weather in May to January, a significant contrast is evident. May boasts a more temperate climate with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 26°C (80°F), averaging around 16°C (61°F). In contrast, January experiences much colder conditions, with temperatures fluctuating between -12°C (10°F) and 15°C (59°F), and an average of just 5°C (40°F). Although precipitation is fairly similar, with May receiving 117 mm (4.6 in) over 14 days and January slightly higher at 124 mm (4.9 in) over 11 days, January is also characterized by higher humidity at 88%, compared to May’s 74%. For a more detailed look at January's weather, visit Trebinje weather in January.

When comparing the weather in May and February, it's clear that May generally offers warmer and more pleasant conditions. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 26°C (80°F), with an average temperature of 16°C (61°F). In contrast, February features much cooler temperatures, with lows reaching -5°C (23°F) and highs up to 18°C (65°F), averaging 7°C (45°F). Additionally, February experiences more precipitation, totaling 173 mm (6.8 in) over 11 days, compared to May's 117 mm (4.6 in) over 14 days. Humidity is also slightly higher in February at 82% compared to 74% in May. For a closer look at February weather specifics, check Trebinje weather in February.

May and March present distinct weather characteristics. In May, temperatures range from a minimum of 5°C (42°F) to a comfortable maximum of 26°C (80°F), with an average of 16°C (61°F). The month experiences a moderate level of precipitation, totaling 117 mm (4.6 in) over about 14 days, along with a humidity of 74%. In contrast, March starts cooler with temperatures varying from -6°C (22°F) to a maximum of 20°C (68°F), averaging at 8°C (48°F). It sees higher precipitation levels of 160 mm (6.3 in) over 11 days, but has slightly more humidity at 79%. For a more detailed look at March weather, check out Trebinje weather in March. Overall, May tends to be warmer and drier compared to the chillier and wetter conditions of March.

In comparing the weather between April and May, it is evident that May tends to be warmer, with average temperatures rising from 12°C (53°F) in April to 16°C (61°F). The maximum temperature in May reaches 26°C (80°F), compared to April's peak of 24°C (76°F). Although May experiences slightly less precipitation at 117 mm (4.6 in) over 14 days, it is quite comparable to April's 121 mm (4.8 in) over 11 days. Humidity levels remain relatively stable, with May at 74% and April at 75%. For more specific details on April's weather, you can check out Trebinje weather in April.

May and June present a noticeable transition in weather conditions. In May, temperatures start at a minimum of 5°C (42°F), with an average of 16°C (61°F) and reaching up to 26°C (80°F). The month is also quite wet, receiving 117 mm (4.6 in) of precipitation over 14 days and exhibiting a humidity level of 74%. In contrast, June sees a significant increase in temperature, with minimums of 10°C (50°F), an average of 20°C (69°F), and highs climbing to 32°C (89°F). Additionally, June is much drier, with only 58 mm (2.3 in) of rain occurring over 9 days and lower humidity at 66%. For more detailed information, you can check Trebinje weather in June.

May and July present quite different weather patterns. In May, temperatures range from a cool 5°C (42°F) at night to a pleasant average of 16°C (61°F) during the day, peaking at 26°C (80°F). However, this month sees considerable rainfall, with 117 mm (4.6 in) spread over 14 days, resulting in a higher humidity level of 74%. In contrast, July offers much warmer conditions, with nighttime lows of 14°C (57°F) and daytime averages soaring to 23°C (74°F), peaking at a hot 33°C (91°F). Additionally, July experiences significantly less precipitation, with only 38 mm (1.5 in) falling over just 4 days, and a lower humidity of 59%. For more details, you can check out Trebinje weather in July.

When comparing the weather in May and August, a notable contrast emerges in both temperature and precipitation. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 26°C (80°F), with an average of 16°C (61°F) and significant rainfall totaling 117 mm (4.6 in) over approximately 14 days, resulting in a high humidity level of 74%. In contrast, August experiences much warmer conditions, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 33°C (92°F), averaging 24°C (75°F). Precipitation is notably lower in August, at just 41 mm (1.6 in) across about 6 days and humidity drops to a more comfortable 53%. For more specific insights into the climate, you can explore Trebinje weather in August.

May and September present contrasting weather patterns, showcasing the transitions between spring and autumn. In May, temperatures range from a cool 5°C (42°F) at night to a pleasant 26°C (80°F) during the day, with an average of 16°C (61°F). However, it is also relatively wet, experiencing 117 mm (4.6 in) of precipitation over 14 days, alongside a higher humidity level of 74%.

In comparison, September offers a warmer climate with minimum temperatures of 8°C (47°F) and maximums reaching 29°C (84°F), resulting in an average of 19°C (67°F). The month is drier, featuring only 97 mm (3.8 in) of precipitation over just 8 days, and lower humidity at 65%. Overall, September tends to be sunnier and less humid than May, making it a more comfortable month for outdoor activities. For more specific details about weather conditions in September, you can check Trebinje weather in September.

In comparing the weather of May and October, both months exhibit mild temperatures, with May slightly warmer, averaging around 16°C (61°F) compared to October's average of 15°C (59°F). The maximum temperatures in May reach up to 26°C (80°F), while October peaks at 24°C (76°F). Both months have a similar minimum temperature of 5°C (42°F). However, October experiences slightly more precipitation, totaling 141 mm (5.5 in) over 9 days, compared to May's 117 mm (4.6 in) across 14 days, which contributes to a higher humidity level in October at 78% versus May's 74%. For more detailed information on October weather, check this link: Trebinje weather in October.

May and November present quite different weather patterns. In May, temperatures range from a minimum of 5°C (42°F) to a maximum of 26°C (80°F), with an average of 16°C (61°F). The month sees a moderate amount of rainfall, totaling 117 mm (4.6 inches) over approximately 14 days, and the humidity is around 74%. In contrast, November exhibits cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (71°F), averaging 11°C (53°F). However, it experiences significantly higher precipitation at 290 mm (11.4 inches) across 12 days and a higher humidity level of 85%. For more detailed insights, check Trebinje weather in November.

When comparing the weather in May and December, notable differences emerge. May features milder temperatures, with a range from a chilly 5°C (42°F) to a comfortable 26°C (80°F), and averages around 16°C (61°F). Precipitation in May totals 117 mm (4.6 in) over approximately 14 days, with a humidity level of 74%. In contrast, December experiences colder temperatures, with a minimum of -1°C (31°F) and maximum of 16°C (60°F), averaging just 7°C (45°F). Rainfall is significantly higher, totaling 259 mm (10.2 in) across about 15 days, accompanied by increased humidity at 86%. For more detailed information, you can check Trebinje weather in December.

Compare Trebinje's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Trebinje

May in Trebinje brings a refreshing shift from the cooler temperatures of winter, with an inviting average temperature that encourages outdoor exploration. While warm days can reach up to 26°C, the mornings and evenings remain pleasantly crisp. Visitors should prepare for moderate precipitation, as May typically experiences around half the number of rainy days compared to the following summer months, creating a lush and vibrant landscape. With humidity levels hovering around 74%, the air feels mild and crisp, making it an ideal time for those looking to enjoy the early spring charm of Trebinje. For a deeper dive into the weather patterns throughout the year, check out Trebinje Climate.