Last updated: August 27, 2025
May in Pattaya, Thailand offers a tropical escape, with temperatures peaking at a sweltering 36°C (97°F) and an average warmth of 29°C (85°F). Visitors can expect balmy evenings, as nighttime lows drop to a comfortable 22°C (72°F). However, this playful weather comes with its share of showers, as the region sees around 166 mm (6.5 in) of rain spread across 22 days—ideal for keeping the lush landscapes vibrant. The air is rich with humidity, averaging a steamy 80%, creating a quintessential tropical atmosphere that defines Pattaya during this lively month.
In May, Pattaya's temperatures begin to intensify as the region transitions deeper into the hot season. The minimum temperature hovers around 22°C (72°F), while the average remains steady at 29°C (85°F). With a peak reaching a sweltering 36°C (97°F), this month marks one of the hottest periods of the year. Unlike the earlier spring months, where patterns of milder warmth prevailed, May showcases the relentless approach of summer, prompting visitors to seek refreshing activities along the coast. As the temperatures rise, the vibrant energy of Pattaya’s beaches and nightlife ignites, making it an enticing destination for those looking to soak up the sun.
May marks a significant shift in Pattaya's weather as it experiences one of the highest precipitation levels of the year, with 166 mm (6.5 in) of rain over approximately 22 days. This increased rainfall is part of a broader trend that begins in April and continues into the summer months, signaling the onset of the rainy season. Compared to April's 120 mm (4.7 in), May's rainfall underscores a noticeable escalation, laying the groundwork for even wetter months ahead. With the rain frequently gracing the city, it creates a lush, vibrant landscape but also invites a more humid atmosphere that characterizes the tropical climate. As locals and visitors adapt to this wetter rhythm, the scenery of Pattaya transforms, showcasing nature's beauty even amidst the deluge.
May marks a significant shift in humidity for Pattaya, Thailand, as levels soar to 80%, setting the stage for a sweltering summer. Following April's rise to 70%, the increase in moisture signals the onset of the rainy season. This trend continues into June and July, where humidity peaks at an astonishing 86% and 88%, respectively. As the months progress, Pattaya experiences its highest humidity levels, creating a noticeable contrast to the milder figures seen in the earlier months of the year, such as 59% in January and 58% in February. This climactic rise not only intensifies the heat but also underscores the tropical climate's imprint on the region, inviting visitors to indulge in the vibrant atmosphere, albeit with a touch of steamy warmth.
In Pattaya, Thailand, the UV Index in May remains consistently high at 14, categorizing the exposure level as extreme and necessitating vigilant sun protection. With a burn time of just 10 minutes, it’s crucial to seek shade and apply sunscreen frequently during this month. Building on earlier months, May continues the trend of intense sunlight begun in February and peaks in March and April, maintaining that extreme classification into June, where the UV index slightly decreases. This sustained period of elevated UV levels underscores the importance of awareness and safety for sun-seekers. For more details on the UV levels throughout the year, visit Pattaya UV Index.
UV Risk Categories
May in Pattaya, Thailand, shines with 322 hours of delightful sunshine, making it a perfect time for beach lovers and outdoor enthusiasts. This month maintains a healthy balance, slightly dipping from April's peak of 321 hours, yet remaining robust compared to the preceding months. As one of the sunniest months of the year, May showcases a consistent pattern of warmth, as it transitions into the wetter season. With increasing sunlight hours leading up to May, visitors can revel in the beautiful coastal scenery, enjoy vibrant local festivities, and take advantage of numerous water activities before the rains of June begin to set in.
In Pattaya, Thailand, May typically offers a 31% chance of sunny weather, marking a notable dip from the previous months. As the dry season gives way to the onset of rain, the likelihood of sunshine diminishes sharply after April, which enjoys a sunnier disposition at 17%. This trend of decreasing sunshine continues into the following months, where the chance drops to 18% in June and further plummets to 12% in July. With May serving as a transitional period, travelers can expect moments of brightness, but should also be prepared for increasing cloud cover and the occasional rain shower as the weather shifts.
In Pattaya, Thailand, the daylight hours exhibit a delightful rhythm throughout the year, with the most pronounced changes occurring in the first quarter. From January to February, the days maintain a steady 11 hours of sunlight, providing a gentle transition into spring. As March arrives, the daylight extends to 12 hours, signaling the onset of longer days that continue unbroken through April and into May. Maintaining this generous duration, the month of May sees an impressive 12 hours of daylight, encouraging outdoor activities and vibrant nightlife. The trend remains consistent until September, where the daylight hours hold steady at 12 hours again, before gradually tapering off to 11 hours by October and returning to the winter pattern by December. This predictable cycle of daylight not only enhances the region's appeal but also sets the stage for year-round enjoyment of Pattaya's stunning beaches and cultural experiences.
In May, Pattaya experiences a gentle shift in its coastal breezes, with an average wind speed of 2.4 m/s (5 mph). This subtle increase from April’s calm of 1.9 m/s (4 mph) is a precursor to the more robust winds that characterize the summer months. As the city transitions into June and July, wind speeds rise to a more invigorating 3.2 m/s (7 mph), bringing a refreshing change that enhances the beach vibe. The consistent wind patterns, with May aligning closely to the lower end of the scale seen in early spring, suggest an inviting atmosphere for those enjoying the scenic coastline while hinting at the lively breezes to come in the subsequent months.
Weather in Pattaya varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Pattaya, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather experiences. In May, temperatures soar with averages around 29°C (85°F), peaking at a sweltering 36°C (97°F), accompanied by high humidity levels of 80%. This month also sees significant rainfall, averaging 166 mm (6.5 in) over 22 days, making it a much wetter period. In comparison, January offers milder weather with temperatures ranging from a minimum of 17°C (62°F) to a maximum of 34°C (93°F). It’s drier too, with only 35 mm (1.4 in) of precipitation recorded over just 5 days and a lower humidity level of 59%. For more details on January's weather, visit Pattaya weather in January.
When comparing the weather in May and February, notable differences emerge. May typically experiences warmer temperatures, with a minimum of 22°C (72°F) and an average high reaching 36°C (97°F), while February is slightly cooler, with temperatures ranging from 19°C (66°F) to a maximum of 34°C (93°F). Additionally, May sees significantly more precipitation, averaging 166 mm (6.5 in) over 22 days, compared to February's modest 32 mm (1.2 in) over just 6 days. The humidity in May is quite high at 80%, making it feel more oppressive, whereas February's 58% humidity provides a more comfortable atmosphere. For more detailed information on February's weather, check out Pattaya weather in February.
When comparing the weather in March and May, it’s clear that both months experience warm temperatures, with March having a minimum of 22°C (73°F) and an average of 29°C (84°F), while May sees similar temperatures but with a higher maximum reaching 36°C (97°F). Notably, May is significantly wetter, with 166 mm (6.5 in) of precipitation over 22 days compared to March's 64 mm (2.5 in) over just 10 days. Additionally, humidity levels rise in May to 80%, compared to 61% in March, making May feel more tropical. For a detailed look at March weather, you can visit Pattaya weather in March.
In comparing the weather of April and May, both months maintain a similar average temperature of 29°C (85°F). However, May tends to be warmer with a higher maximum temperature reaching 36°C (97°F), compared to April's maximum of 35°C (96°F). May also brings increased rainfall, recording 166 mm (6.5 in) of precipitation over 22 days, in contrast to April's 120 mm (4.7 in) over 17 days. Additionally, humidity levels rise significantly in May at 80%, compared to 70% in April, contributing to a more oppressive feel during this later month. For more details, visit Pattaya weather in April.
May and June exhibit similar average temperatures, with May showing a slightly wider range of highs and lows compared to June. In May, temperatures fluctuate between a minimum of 22°C (72°F) and a maximum of 36°C (97°F), while June remains a bit warmer at a minimum of 25°C (78°F) but has a slightly lower maximum of 35°C (95°F). Both months experience considerable precipitation, although May is wetter with 166 mm (6.5 in) compared to June's 130 mm (5.1 in). Additionally, June has slightly higher humidity at 85%, while May's humidity is around 80%. For more detailed insights, you can explore Pattaya weather in June.
May and July exhibit similar average temperatures, with May experiencing a minimum of 22°C (72°F) and a maximum of 36°C (97°F), while July sees slightly warmer minimums at 25°C (77°F) and a maximum of 35°C (95°F). Both months are characterized by high humidity levels, with May at 80% and July increasing to 86%. Precipitation is notable in both months, with May receiving 166 mm (6.5 in) over 22 days and July slightly wetter at 181 mm (7.1 in) across 26 days. For more details on July weather, refer to Pattaya weather in July.
In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month experiences considerable rainfall, totaling 166 mm (6.5 in) over 22 days, and the humidity sits at a high 80%. In contrast, August sees slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 35°C (95°F), while the average remains the same at 29°C (84°F). Precipitation increases to 180 mm (7.1 in) over 24 days, and humidity rises to 88%. Thus, while both months share a similar average temperature, August tends to be wetter and more humid. For more details on August weather, you can visit Pattaya weather in August.
May and September exhibit distinct weather patterns, reflecting the transition between the hot season and the onset of the rainy season. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average temperature of 29°C (85°F). The month is characterized by significant rainfall, totaling 166 mm (6.5 in) across approximately 22 rainy days, and humidity levels are quite high at 80%.
In contrast, September sees slightly warmer nighttime temperatures, with a minimum of 25°C (77°F) and a slightly lower average temperature of 28°C (83°F) during the day. However, it experiences increased precipitation, with 276 mm (10.8 in) falling over 26 days and a higher humidity level of 87%. This shift results in a more humid atmosphere, making September noticeably wetter than May. For more detailed insights, check out Pattaya weather in September.
In comparing the weather between May and October, we notice some distinct differences. May typically experiences warmer temperatures, with average highs reaching 36°C (97°F), compared to October's maximum of 34°C (93°F). However, October brings a higher overall humidity level of 83% and increased rainfall, with 233 mm (9.2 in) of precipitation over 25 days, as opposed to May's 166 mm (6.5 in) over 22 days. Both months are quite humid, but the persistent rain in October can create a more overcast environment. For a detailed look at what to expect during this time of year, you can check out Pattaya weather in October.
In May, temperatures in Pattaya range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). The month experiences significant rainfall, totaling 166 mm (6.5 in) across 22 days, coupled with a high humidity level of 80%. In contrast, November sees slightly cooler temperatures, with minimums at 22°C (72°F) and a maximum of 34°C (94°F), averaging 28°C (82°F). Precipitation drops noticeably to 73 mm (2.9 in) over 11 days, and humidity levels remain similar at 78%. For more detailed information, visit Pattaya weather in November.
May and December present contrasting weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 36°C (97°F), with an average of 29°C (85°F). This month experiences significant rainfall, totaling 166 mm (6.5 in) over 22 rainy days, coupled with high humidity at 80%. In contrast, December offers more pleasant conditions, with temperatures ranging from a cooler minimum of 16°C (61°F) to a maximum of 34°C (93°F) and an average of 27°C (80°F). Precipitation drops sharply to just 33 mm (1.3 in) over only 4 days, and humidity levels decrease to 70%. For more detailed information about December weather, check Pattaya weather in December.
In May, Pattaya experiences a notable shift in weather patterns, marked by increased humidity and frequent rainfall. Temperatures soar to a maximum of 36°C (97°F), making it one of the hotter months, while the average remains around a comfortable 29°C (85°F). However, the high humidity level of 80% coupled with 22 rainy days can make the heat feel more intense compared to the drier months. If you’re planning a visit, be prepared for sudden showers amidst warm conditions, offering a unique tropical experience. For a deeper dive into the weather nuances, check out Pattaya Climate.