May Weather in Bol, Croatia

Last updated: March 17, 2025

Nestled along the stunning Croatian coastline, Bol experiences a delightful May weather characterized by an average temperature of 18°C (64°F), making it an ideal time for outdoor activities. With maximum highs reaching 25°C (76°F) and comfortable minimums around 10°C (50°F), visitors can enjoy pleasant days filled with sunshine. However, be prepared for a touch of rain, as 64 mm (2.5 in) of precipitation falls over approximately 9 days, contributing to the region's lush landscapes. The humidity level, averaging 78%, complements the mild temperatures, creating a refreshing atmosphere perfect for exploring the natural beauty of this charming destination.

May Temperature in Bol

In May, Bol, Croatia, begins to embrace the warmth of the approaching summer, with temperatures invitingly rising. The month greets visitors with a minimum of 10°C (50°F) and an average of 18°C (64°F), reaching a pleasant maximum of 25°C (76°F). This marks a significant shift from the cooler spring months, where temperatures consistently climb higher. As the days grow longer and the sun shines brighter, May serves as a beautiful transition, perfectly suited for outdoor activities and exploration, making it an ideal time for travelers eager to savor the Adriatic charm before the peak summer crowds arrive.

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

The chart illustrates May temperature patterns in Bol, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec475051576472767871645851
Data source: Temperature data for Bol 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 Bol

In May, Bol, Croatia experiences a noticeable decline in precipitation, receiving 64 mm (2.5 in) of rain over approximately 9 days. This marks a continuation of the downward trend from April’s rainfall of 72 mm (2.8 in), suggesting a transition into the drier summer months. The gradual reduction in precipitation is reflected in the sharp drop that follows in June, where rainfall plummets to 25 mm (1.0 in). As May unfolds, the landscape begins to shift from the lush green of spring to the vibrant hues of early summer, setting the stage for the warm, sun-drenched days that lie ahead. The mild rains serve as a gentle reminder of the region's Mediterranean climate, balancing the increasing warmth while enhancing the beauty of Bol's natural surroundings.

May Precipitation Trends in Bol

The chart displays monthly precipitation patterns in Bol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1049986726425132196109249229
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bol

In May, the charm of Bol, Croatia is complemented by a humidity level of 78%, striking a balance between the cooler spring months and the warmer summer ahead. This slight increase from April's 75% suggests a gradual shift towards the more humid conditions typical of summer, while still remaining comfortable for outdoor activities. As we move into June with humidity decreasing to 75%, May stands out as a transitional month, where visitors can enjoy the mild weather and lush landscapes without the oppressive heat and humidity often found in the peak summer months. This trend highlights May as an ideal time to experience the beauty of Bol before the summer rush.

May Average Humidity in Bol

This chart illustrates the average monthly humidity levels in Bol, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%73%75%78%75%71%65%69%76%81%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bol

In May, Bol, Croatia experiences a significant uptick in the UV Index, climbing to 8, which falls into the very high exposure category. With a burn time of just 15 minutes, it’s essential for visitors to be vigilant about sun protection. This trend of increasing UV levels is notable as May transitions from April's already high index of 7, indicating that summer is on the horizon and precautions should be tailored accordingly. As the month progresses, those seeking the sun will need to adapt their sun safety practices, especially since the UV Index will peak further in June and July. For detailed insights and tips on staying safe under the sun, check out Bol UV Index.

Maximum UV Index Levels in Bol for May

The chart shows the monthly maximum UV Index (UVI) for Bol 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.
JanFebMarAprMayJunJulAugSepOctNovDec24678101097532
Data source: Bol 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 Bol

As spring transitions to summer, May in Bol, Croatia bursts forth with an impressive 396 hours of sunshine, marking a delightful peak in daylight hours for the season. This month serves as a prelude to the sunnier months, following a steady climb from 357 hours in April. The sunny trend continues into June, which enjoys even more light, reaching 419 hours, but May stands out as a vibrant celebration of the warming weather and blooming landscapes. It’s no wonder then that visitors flock to Bol this month, soaking up the sun before the summer rush. With the dazzling Adriatic as a backdrop, May truly shines, inviting adventure and relaxation alike under its golden rays.

Monthly Sunshine Duration in Bol: May Highlighted

The May sunshine duration represents the total number of hours Bol 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h251h326h357h396h419h435h403h345h314h239h230h
Data source: Bol May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bol During May

As May arrives in Bol, Croatia, the likelihood of sunny weather starts to show a promising trend with a 55% chance of sunshine. This figure represents a slight increase from April's 51%, signifying that spring is in full swing and warmer days are on the horizon. While May may not yet boast the high percentages of summer months like June through August, which range from 70% to 76%, it does mark an essential transition where sun-seekers can begin to enjoy the early warmth. As the seasons progress, the steady rise in sunny days paints a vibrant picture for those looking to bask in Bol's early summer charm.

Percentage of Sunny Days in May in Bol

The chart illustrates the percentage of sunny days in Bol 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 Bol experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec36%54%61%51%55%70%73%76%63%55%29%44%
Data source: Bol May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bol in May

As spring transitions to summer, Bol, Croatia experiences a notable increase in daylight duration. Starting from 9 hours in January, the days gradually lengthen, adding an hour each month until reaching 14 hours in May. This month marks a vibrant shift, with daylight extending even further to 15 hours in June, creating the perfect backdrop for outdoor activities and seaside relaxation. The pattern remains consistent throughout the summer, with daylight gently tapering off in July and August before descending back to 12 hours in September. By the time October arrives, Bol's daylight hours decline again, echoing the rhythmic cycle of the seasons, settling at 10 hours as winter approaches. This seamless transition from extended sunlight to shorter days beautifully captures the essence of Bol’s climatic character.

Average Daylight Hours in Bol for May

The chart illustrates the variation in daylight duration in Bol throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 22m10h 30m11h 57m13h 25m14h 41m15h 19m14h 59m13h 52m12h 27m10h 58m9h 41m9h
Data source: Bol daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Bol

In Bol, Croatia, May brings a pleasantly calm breeze with an average wind speed of 4.2 m/s (9 mph), mirroring the gentle gusts felt in April. This mild wind continues the trend of relatively stable conditions as spring transitions to summer, providing an inviting atmosphere for outdoor activities. While wind speeds in the preceding months exhibit a slight decline from January's 5.0 m/s to May's relatively gentle flow, the charming coastal village experiences a slight uptick in air movement in the following months. Overall, May stands out as a perfect balance of warmth and light breezes, making it an ideal time for visitors to embrace the beauty of Bol’s landscapes and shimmering Adriatic waters.

Average May Wind Speed in Bol

The chart displays monthly wind speed patterns in Bol, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.04.33.84.24.2 m/s3.03.43.42.94.04.74.6
Data source: Bol May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Bol Compares to Other Months

The weather in Bol changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Bol and find detailed weather information for every month.

May and January exhibit contrasting weather profiles that reflect the transition from winter to spring. In May, temperatures range from a minimum of 10°C (50°F) to a comfortable average of 18°C (64°F), peaking at 25°C (76°F), while January experiences much colder conditions with temperatures dipping as low as -6°C (22°F) and averaging only 8°C (47°F). Additionally, May sees less precipitation, totaling 64 mm (2.5 in) over 9 days, compared to January's 104 mm (4.1 in) across 10 days. Humidity levels are slightly lower in May at 78%, while January maintains a higher humidity of 83%. For a more detailed look at January's weather conditions, you can refer to Bol weather in January.

May and February present contrasting weather conditions that highlight the transition from winter to spring. In May, temperatures are much warmer, ranging from a chilly 10°C (50°F) at night to a comfortable 25°C (76°F) during the day, while February sees colder temperatures that dip to -1°C (30°F) at night and only reach a maximum of 15°C (60°F). Although May experiences some rain, with 64 mm (2.5 in) over about 9 days, February is wetter, accumulating 99 mm (3.9 in) of precipitation across 10 days. Humidity levels are similar in both months, with May at 78% and February at 76%. For a more detailed look into February weather, you can visit Bol weather in February.

When comparing the weather in May to that of March, it's clear that May offers a much warmer climate. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 25°C (76°F), with an average temperature of 18°C (64°F). In contrast, March sees much cooler conditions, with temperatures ranging from -3°C (28°F) to a maximum of 17°C (64°F) and an average of 11°C (52°F). While both months experience around 9 days of precipitation, March has a higher average rainfall of 86 mm (3.4 in) compared to May's 64 mm (2.5 in), although the humidity levels are slightly higher in May at 78% compared to 73% in March. For more information, you can check Bol weather in March.

In comparing the weather in April and May, we see a noticeable shift toward warmer temperatures and slightly higher humidity. April features a temperature range with a minimum of 5°C (40°F), an average of 14°C (57°F), and a maximum of 22°C (72°F), while May sees a more comfortable minimum of 10°C (50°F), an average of 18°C (64°F), and a peak of 25°C (76°F). Precipitation is also similar, with April recording 72 mm (2.8 in) over 8 days, compared to May's 64 mm (2.5 in) over 9 days. Humidity in both months is relatively close, with April at 75% and May slightly higher at 78%. For a more detailed look at April's weather, you can check Bol weather in April.

May and June present a noticeable shift in weather patterns. In May, temperatures range from a chilly minimum of 10°C (50°F) to a more pleasant maximum of 25°C (76°F), with an average around 18°C (64°F). The month sees significant precipitation, totaling 64 mm (2.5 in) over 9 days, and a higher humidity level of 78%. In contrast, June offers warmer conditions, with minimum temperatures starting at 15°C (60°F) and peaking at 29°C (84°F) for an average of 22°C (72°F). Rainfall is considerably less, with only 25 mm (1.0 in) falling over just 3 days, and humidity decreases slightly to 75%. Overall, June provides a drier and warmer climate compared to May. For more detailed weather information, you can check Bol weather in June.

In May, the weather tends to be cooler and more humid, with average temperatures ranging from a low of 10°C (50°F) to a high of 25°C (76°F). The month experiences considerable rainfall, with 64 mm (2.5 in) of precipitation spread over 9 days, resulting in a humidity level of 78%. In contrast, July boasts warmer temperatures, averaging between 18°C (65°F) and reaching up to 29°C (84°F). Precipitation is significantly lower, averaging only 13 mm (0.5 in) across just 2 days, and humidity drops to 71%. For more detailed information about July weather, you can check Bol weather in July.

May and August present contrasting weather conditions. In May, temperatures range from a cool 10°C (50°F) at night to a pleasant average of 18°C (64°F), peaking at 25°C (76°F) during the day. This month sees considerable precipitation, with 64 mm (2.5 in) spread over nine days, resulting in higher humidity levels at 78%. In contrast, August is much warmer, with minimum temperatures starting at 19°C (66°F), rising to an average of 26°C (78°F) and often reaching a high of 31°C (87°F). August is significantly drier, receiving only 21 mm (0.8 in) of precipitation over just two days, accompanied by lower humidity at 65%. For more detailed weather insights, check this link: Bol weather in August.

May and September both offer mild and pleasant weather, but they present distinct differences. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 25°C (76°F), with an average temperature of 18°C (64°F). The month experiences about 64 mm (2.5 in) of precipitation over approximately 9 days and a relatively high humidity of 78%. In contrast, September sees slightly warmer temperatures, with a minimum of 13°C (56°F) and a maximum of 29°C (84°F), averaging 22°C (72°F). However, it does experience more rainfall, totaling around 96 mm (3.8 in) across 6 days, while humidity is lower at 69%. Both months present their own unique charm, catering to different preferences for warmth and moisture. For a closer look at September weather, check out Bol weather in September.

In comparing the weather between May and October, we see some interesting similarities and differences. Both months feature an average temperature of around 18°C (64°F), with May experiencing a slightly wider temperature range, peaking at 25°C (76°F), while October's maximum is a bit lower at 24°C (75°F). Precipitation levels are notably higher in October, totaling 109 mm (4.3 in) across 8 days, compared to May's 64 mm (2.5 in) over 9 days. Humidity levels remain relatively similar, with May at 78% and October slightly lower at 76%. For more detailed insights into October weather, you can check out Bol weather in October.

In May, the weather tends to be warmer and more pleasant, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 25°C (76°F) and an average of 18°C (64°F). However, this month sees moderate precipitation of 64 mm (2.5 in) over about 9 days, alongside a humidity level of 78%.

In contrast, November is considerably cooler, with temperatures ranging from 5°C (41°F) to a maximum of 21°C (70°F) and an average of 15°C (59°F). This month experiences significantly higher precipitation at 249 mm (9.8 in) over 15 rainy days and a slightly higher humidity of 81%. For more detailed information on November weather, you can visit Bol weather in November.

May and December in Bol present two distinct weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 25°C (76°F), with an average of 18°C (64°F). The month sees about 64 mm (2.5 in) of precipitation over approximately 9 days, resulting in a humidity level of 78%. In contrast, December experiences cooler temperatures, with a minimum of 3°C (37°F), an average of 11°C (51°F), and a maximum of 17°C (62°F). This month is significantly wetter, totaling 229 mm (9.0 in) of precipitation spread over 15 days, while humidity slightly increases to 81%. For a detailed look at December weather, visit Bol weather in December.

Compare Bol's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Bol

As May unfolds in Bol, the weather begins to transition into warmer and more pleasant conditions, setting it apart from the cooler months earlier in the year. With average temperatures rising to a comfortable 18°C (64°F), outdoor activities become increasingly inviting. However, the month does bring some rainfall, with about nine days experiencing precipitation, resulting in a humidity level of 78% that can feel quite refreshing. Compared to the chill of winter and the briskness of spring, May offers a taste of the summer warmth to come, perfectly encapsulating the charm of the Mediterranean. For more detailed insights into Bol's climate, check out Bol Climate.