May Weather in Ban Ko Lan, Thailand

Last updated: August 27, 2025

May in Ban Ko Lan, Thailand welcomes warm, tropical weather, with temperatures ranging from a comfortable minimum of 24°C (75°F) to a peak of 33°C (92°F). The average temperature hovers around 29°C (85°F), ensuring plenty of warmth for beachgoers and outdoor enthusiasts. However, visitors should prepare for the increased humidity, averaging around 80%, and anticipate rain, as the month records approximately 139 mm (5.5 in) of precipitation over 16 days. Whether you're soaking up the sun or enjoying the lush scenery after a refreshing shower, May offers a vibrant experience in this stunning coastal destination.

May Temperature in Ban Ko Lan

In May, Ban Ko Lan, Thailand, experiences pleasant tropical conditions characterized by minimum temperatures around 24°C (75°F) and soaring maximums reaching up to 33°C (92°F). The average temperature stabilizes at a comfortable 29°C (85°F), making it an ideal time for beachgoers and sun seekers alike. As the month progresses, the temperatures indicate a gradual increase from the cooler April days, highlighting a trend towards warmer and sunnier weather. This warmth is complemented by the island's stunning landscapes and vibrant atmosphere, inviting visitors to enjoy its crystal-clear waters and lively outdoor activities. With humidity beginning to rise, May serves as the perfect transition into the sultry summer months.

May Weather in Ban Ko Lan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Ban Ko Lan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ban Ko Lan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808183848584848383828280
Data source: Temperature data for Ban Ko Lan 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 Ban Ko Lan

May marks a significant turning point in the precipitation patterns of Ban Ko Lan, Thailand, where rainfall reaches its peak at 139 mm (5.5 in) over 16 days. This substantial increase from April's 85 mm indicates the arrival of the monsoon season, transforming the landscape with lush vegetation and vibrant colors. As the days grow wetter, the frequency of rainy days also escalates, paving the way for the subsequent months of June and July, which continue to witness high precipitation levels. The sharp increase in May's rainfall reflects a gradual build-up to the region’s wettest months, highlighting the dramatic shift in weather that characterizes this tropical paradise.

May Precipitation Trends in Ban Ko Lan

The chart displays monthly precipitation patterns in Ban Ko Lan, 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 Ban Ko Lan, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec30173085139871111232362266531
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ban Ko Lan

In May, Ban Ko Lan experiences a significant rise in humidity, soaring to 80%, as the warmth of the preceding months culminates in a sultry atmosphere. This marked increase follows April's 70%, indicating a transition into the heart of the region's humid season. The trend continues with the subsequent months, as June registers an even higher 85%, peaking in August at a staggering 88%. This gradual climb underscores the tropical climate's impact, where the air feels increasingly heavy and moist, preparing the island for the thicker humidity that characterizes the summer monsoon period.

May Average Humidity in Ban Ko Lan

This chart illustrates the average monthly humidity levels in Ban Ko Lan, 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 Ban Ko Lan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%58%61%70%80%85%86%88%87%83%78%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ban Ko Lan

In May, Ban Ko Lan, Thailand, experiences an extreme UV Index of 14, with a burn time of just 10 minutes—sustaining the high level seen since March. This trend of elevated UV levels continues from February to July, highlighting the critical need for sun protection during these months. Travelers and locals alike should remain vigilant, as exposure can lead to skin damage in an impressively short time. Following this peak, the UV Index gradually decreases in the subsequent months, but May's levels serve as a reminder to prioritize safety while enjoying the beautiful Thai sun. For more detailed information, visit the Ban Ko Lan UV Index.

Maximum UV Index Levels in Ban Ko Lan for May

The chart shows the monthly maximum UV Index (UVI) for Ban Ko Lan 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 Ban Ko Lan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414141314141313109
Data source: Ban Ko Lan 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 Ban Ko Lan

May in Ban Ko Lan, Thailand, ushers in a delightful blend of sunshine, boasting 322 hours of radiant daylight. This month beautifully complements the trend of increasing sunshine that begins in January with 252 hours and steadily climbs to a peak in March with 336 hours. Even as spring transitions to summer, May maintains its bright allure, slightly dipping from the preceding months but still outshining June's 305 hours. The early part of the year showcases a consistent rise in daylight, while the summer months demonstrate a slight tapering, yet overall, Ban Ko Lan bathes in ample sunshine, perfect for beach lovers and sun-seekers alike. As the year progresses, the warm glow of May remains a cherished highlight in this tropical paradise.

Monthly Sunshine Duration in Ban Ko Lan: May Highlighted

The May sunshine duration represents the total number of hours Ban Ko Lan 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.
JanFebMarAprMayJunJulAugSepOctNovDec252h298h336h321h322h305h287h287h267h284h298h317h
Data source: Ban Ko Lan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ban Ko Lan During May

In Ban Ko Lan, Thailand, the likelihood of sunny weather in May sees a marked decrease compared to the preceding months. While April enjoys a relatively high sun probability of 19%, May drops to 34%, indicating an increased chance of overcast skies and rain, especially as the region transitions toward the monsoon season. This trend continues into the subsequent months, where the sun’s presence wanes dramatically, settling at a mere 9% in August and a low 13% in July. Thus, if you're planning a trip in May, it’s advisable to prepare for a mix of sunshine and clouds, as the landscape begins to shift towards the wetter months ahead.

Percentage of Sunny Days in May in Ban Ko Lan

The chart illustrates the percentage of sunny days in Ban Ko Lan 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 Ban Ko Lan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec57%74%57%19%34%18%13%9%9%12%23%59%
Data source: Ban Ko Lan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ban Ko Lan in May

In Ban Ko Lan, Thailand, the patterns of daylight duration reflect a consistent rhythm throughout the year. From January to February, the island enjoys 11 hours of daylight, setting a serene tone for the start of the year. As spring approaches in March and April, daylight gradually extends to 12 hours, allowing for longer afternoons and vibrant sunsets. This 12-hour daylight stretch persists through May and continues into the summer months, offering ample time to bask in the sun's warmth. As the year transitions towards October, daylight starts to shorten again, returning to 11 hours by November and December. This cyclical dance of sunlight offers residents and visitors alike a beautiful balance of day and night, enhancing the charm of Ban Ko Lan year-round.

Average Daylight Hours in Ban Ko Lan for May

The chart illustrates the variation in daylight duration in Ban Ko Lan throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 26m11h 42m12h 3m12h 24m12h 42m12h 51m12h 47m12h 31m12h 10m11h 49m11h 31m11h 21m
Data source: Ban Ko Lan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ban Ko Lan

In May, Ban Ko Lan, Thailand experiences a delightful average wind speed of 4.0 m/s (9 mph), continuing a trend of moderate breezes that enhance the island's charm. Following the calmer winds of April, the increase to May's gentle gusts creates a refreshing atmosphere, perfect for beachgoers and water sports enthusiasts alike. The winds pick up even more as summer approaches, with June boasting an average of 4.9 m/s (11 mph). This pleasant oscillation throughout the earlier months establishes May as an ideal time to enjoy the subtle interplay of nature, as the breezes hint at the lively summer months ahead while providing a comfortable escape from the tropical heat.

Average May Wind Speed in Ban Ko Lan

The chart displays monthly wind speed patterns in Ban Ko Lan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.23.74.63.14.0 m/s4.94.84.53.53.84.04.7
Data source: Ban Ko Lan May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ban Ko Lan Compares to Other Months

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

When comparing the weather between May and January, it's clear that May tends to be much warmer and wetter than January. In May, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), with an average of 29°C (85°F), while January offers cooler conditions, with a minimum of 18°C (65°F) and a maximum of 31°C (88°F), averaging 27°C (81°F). Additionally, May experiences significant rainfall, accumulating 139 mm (5.5 in) over 16 days, in contrast to January’s much drier conditions, which see only 30 mm (1.2 in) across just 4 days. Humidity levels are also higher in May at 80%, compared to a more comfortable 59% in January. For a more detailed look at January's conditions, you can check out Ban Ko Lan weather in January.

In comparing the weather in May and February, it’s clear that May is significantly warmer and wetter. May features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), with an average of 29°C (85°F) and a high humidity level of 80%. In contrast, February offers milder temperatures, with a minimum of 21°C (70°F) and a maximum of 31°C (89°F), averaging at 27°C (81°F) and lower humidity at 58%. Additionally, May experiences much more rainfall, with 139 mm (5.5 in) spread over 16 days, compared to just 17 mm (0.7 in) over 4 days in February. For more detailed information, you can check Ban Ko Lan weather in February.

In comparing the weather of May and March, we observe that both months feature similar minimum temperatures, with March slightly cooler at 24°C (76°F) compared to May's 24°C (75°F). However, May has a higher average temperature of 29°C (85°F) against March's 28°C (83°F), and a maximum temperature peaking at 33°C (92°F) compared to March's 32°C (89°F). Notably, precipitation is significantly more abundant in May, with 139 mm (5.5 in) falling over 16 days, while March experiences just 30 mm (1.2 in) over 5 days. Additionally, the humidity is higher in May at 80%, contrasting with March's more comfortable 61%. For a deeper dive into March's climate specifics, you can explore Ban Ko Lan weather in March.

In comparing the weather conditions of April and May, we find that both months share similar average temperatures, with May seeing a minimum of 24°C (75°F) and a maximum of 33°C (92°F), while April's range is from a minimum of 21°C (71°F) to the same maximum. However, May experiences significantly more precipitation, totaling 139 mm (5.5 in) over 16 days, compared to April's 85 mm (3.3 in) across just 10 days. Additionally, humidity levels rise in May to 80%, up from April's 70%. For more insights on April's weather, you can visit Ban Ko Lan weather in April.

May generally offers slightly warmer temperatures compared to June, with daytime highs reaching up to 33°C (92°F) compared to June's maximum of 32°C (89°F). However, both months share the same average temperature of 29°C (85°F). Notably, May experiences higher precipitation at 139 mm (5.5 in) over 16 days, while June sees significantly less rain at 87 mm (3.4 in) despite having one more rainy day (19 days). Humidity levels are also slightly higher in June at 85%, compared to 80% in May. For more detailed information, you can check Ban Ko Lan weather in June.

In May, temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), with an average of 29°C (85°F). The month is characterized by relatively high humidity at 80% and significant rainfall, accumulating 139 mm (5.5 in) across 16 rainy days. In contrast, July sees slightly higher minimum temperatures, starting at 26°C (79°F), while the average temperature remains similar at 29°C (84°F) and the maximum temperature decreases slightly to 32°C (90°F). Although July experiences a lower total precipitation of 111 mm (4.4 in), it has more rainy days, totaling 21, and a higher humidity level of 86%. For a detailed look at the weather conditions in July, check out Ban Ko Lan weather in July.

In comparing the weather between May and August, we can see some notable similarities and differences. Both months have a similar average temperature, with May averaging 29°C (85°F) and August slightly cooler at 29°C (84°F). However, August experiences a higher minimum temperature of 26°C (79°F) compared to May's 24°C (75°F). While May sees more precipitation, with 139 mm (5.5 in) over 16 days, August has slightly less rainfall, totaling 123 mm (4.8 in) over 20 days. The humidity also increases in August, reaching 88% compared to May's 80%. For more specific details, check out Ban Ko Lan weather in August.

In May, temperatures typically range from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), with an average of 29°C (85°F). This month also sees considerable rainfall, with 139 mm (5.5 in) of precipitation spread over 16 days and humidity levels around 80%. In contrast, September presents slightly warmer conditions with temperatures starting at 25°C (78°F) and peaking at 31°C (88°F), averaging 28°C (83°F). However, it is also significantly wetter, receiving 235 mm (9.3 in) of rain over 22 days, and experiences higher humidity at 87%. For more detailed information about September's weather, you can check Ban Ko Lan weather in September.

When comparing the weather in May and October, both months showcase warm temperatures, but October tends to be slightly cooler on average. In May, daily temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (92°F), with an average of 29°C (85°F). In contrast, October features a minimum of 25°C (77°F) and a maximum of 32°C (89°F), with an average of 28°C (82°F). However, October experiences significantly higher precipitation, totaling 226 mm (8.9 in) over 22 days compared to May's 139 mm (5.5 in) over 16 days. Humidity levels are also slightly elevated in October at 83% compared to 80% in May. For more detailed information, you can check out Ban Ko Lan weather in October.

May and November exhibit warm temperatures, but May tends to be slightly hotter and more humid. In May, the minimum temperature averages around 24°C (75°F) and peaks at 33°C (92°F), with an average of 29°C (85°F). Additionally, May experiences more rain, totaling 139 mm (5.5 in) over 16 days, contributing to higher humidity levels at 80%. In contrast, November has a slightly lower temperature range, with a minimum of 23°C (74°F) and a maximum of 32°C (90°F), averaging 28°C (82°F). The rainfall in November is considerably less, at 65 mm (2.6 in) over 12 days, resulting in a lower humidity of 78%. For more detailed information on November weather, visit Ban Ko Lan weather in November.

In May, the weather is significantly warmer and more humid compared to December, with average temperatures reaching 29°C (85°F) and highs of 33°C (92°F). This month also experiences substantial rainfall, with a total of 139 mm (5.5 in) over approximately 16 days, resulting in a humidity level of around 80%. In contrast, December brings milder temperatures, where the average drops to 27°C (80°F) and the maximum rarely exceeds 31°C (89°F). Rainfall is notably lighter, totaling just 31 mm (1.2 in) over about 4 days, and humidity decreases to 70%. For more comparisons, check out Ban Ko Lan weather in December.

Compare Ban Ko Lan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ban Ko Lan

In May, Ban Ko Lan experiences a distinctive shift in weather patterns, characterized by higher humidity levels and increased rainfall compared to earlier months. The temperatures remain warm, but the combination of averaging 29°C along with 139 mm of precipitation over 16 days introduces a more tropical atmosphere. This transition not only enhances the lush landscape but also invites visitors to embrace the island's vibrant nature. For more insights into what to expect throughout the year, check out the detailed information at Ban Ko Lan Climate.