Last updated: August 27, 2025
May in Pai, Thailand offers a warm tropical climate, characterized by a maximum temperature reaching up to 38°C (101°F) and an average of 26°C (79°F), providing a balmy backdrop for outdoor exploration. However, visitors should be prepared for the region's moisture, as precipitation totals around 152 mm (6.0 in) across 18 days, contributing to a humidity level of 63%. Despite the occasional rain, May's lush landscape and vibrant culture make it an enchanting time to experience the beauty of this charming town.
In May, Pai, Thailand begins to embrace the warmth of summer, with temperatures gradually rising. The minimum temperature settles at a comfortable 18°C (65°F), while the average climbs to a pleasant 26°C (79°F). This month shares the maximum temperature of 38°C (101°F) with both March and April, signaling the peak of heat in this charming town. As rain showers become more frequent later in the season, May offers an enticing mix of warm days and cooler nights, making it an ideal time for outdoor adventures. The transition from the cooler months into summer is palpable, as Pai’s landscape thrives under the sun.
May marks a significant transition in Pai, Thailand, as the region experiences a dramatic increase in precipitation, with an impressive 152 mm (6.0 in) of rain over 18 days. This surge sets the stage for the area's lush greenery, transforming the landscape into a vibrant palette of green. Following April's 76 mm of rain, May brings a noticeable uptick, foreshadowing the monsoon season that typically intensifies in June and July. As the skies open up, nature thrives, and the regular April showers give way to more consistent and heavier rainfall, serving as a prelude to the wetter months ahead. This shift not only rejuvenates the local flora but also enhances the overall charm of Pai, making it a captivating destination for travelers seeking to immerse themselves in its enchanting natural beauty.
As the calendar turns to May in Pai, Thailand, the climate takes an evident shift, with humidity levels rising to 63%. This increase marks a notable change from the preceding months, where humidity lingered in the mid to low 40s and 30s, culminating in April's lowest point of 36%. The jump to May signifies the onset of the monsoon season, foreshadowing the significantly higher humidity levels that follow in June and July, which soar to 81% and 83%, respectively. This trend of escalating humidity continues into the late summer months, peaking in August at a whopping 91%. The transition from dry to humid conditions not only impacts the environment but also influences the overall experience for visitors and locals alike, shaping a unique tropical atmosphere filled with lush greenery and vibrant landscapes.
As May rolls into Pai, Thailand, the UV Index reaches a striking 15, marking it as one of the most intense months in terms of sun exposure. Falling squarely within the extreme category, the burn time shrinks to just 10 minutes, urging residents and visitors to seek shade and slather on sunscreen. This trend of escalating UV levels began earlier in the year, with both March and April also experiencing high indices of 13. The consistent extreme ratings from May through August suggest a significant increase in sun intensity as the region moves deeper into the hot season. As such, awareness and precautions are essential for enjoying the beauty of Pai without the risks of sunburn. For more insights on the sun's intensity throughout the year, check out the detailed Pai UV Index.
UV Risk Categories
May in Pai, Thailand, offers a delightful continuation of the sunny trend from earlier months, boasting an impressive 336 hours of sunshine. This places May comfortably among the sunniest months of the year, closely following the peak of March with 338 hours. After the warmth of April, which enjoyed 325 hours, May shines brightly, hinting at the onset of the rainy season without sacrificing those prized sunny days. Following May, the sunlight begins to diminish as June brings only 265 hours, illustrating a gradual shift towards cloudier weather. Overall, May serves as a beautiful bridge between the radiant spring sunshine and the lush, green rains of summer in Pai, making it an ideal time for outdoor adventures and exploration.
As you plan your visit to Pai, Thailand, it's essential to consider the patterns of sunny weather throughout the year. The trend clearly shows that May marks a decline in sunny days, with only a 37% chance of sunshine, following the much brighter months of March and April. This dip contrasts sharply with the preceding months, where January to April boasts significantly higher probabilities of sun—70% to 84%. As you step into June, the likelihood plummets further to a mere 10%, indicating the start of the rainy season. If you're chasing sunny adventures, you may want to visit earlier in the year, as May’s unpredictable weather may not deliver the golden rays you're hoping for.
In Pai, Thailand, the daylight duration follows a delightful rhythm that enhances the charm of each season. Beginning with a consistent 11 hours in January and February, the days gradually lengthen as spring approaches, reaching 12 hours in March and April. By May, daylight peaks at 13 hours, ushering in the vibrant energy of summer, which continues through June and July. As the monsoon season approaches, daylight begins to taper off slightly, settling back to 12 hours in August and September. This gentle shift transitions into the shorter days of late fall, where October and November offer 11 hours, and December’s 10 hours signal the return of winter. Overall, Pai's daylight cycle creates a captivating backdrop for exploring its lush landscapes and cultural treasures, inviting visitors to relish the extended hours of sunshine during the warmer months.
In Pai, Thailand, the winds of May tend to mirror the tranquil atmosphere of this picturesque town, with an average wind speed of 1.2 m/s (3 mph). As spring transitions into summer, the wind speeds maintain a gentle rhythm, consistent with the preceding months, creating a serene backdrop ideal for exploring the lush landscapes and vibrant culture. This calmness follows a slight uptick during March, peaking at 1.5 m/s, while June introduces a bit more breeze at 1.6 m/s (4 mph), hinting at the approaching rainy season. Overall, the wind patterns remain fairly stable from January through May, allowing visitors to bask comfortably in Pai's natural beauty without the distraction of strong gusts, making this time of year particularly enchanting.
Weather in Pai varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Pai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is significantly warmer with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 38°C (101°F). This month is also quite humid, with an average humidity of 63% and considerable rainfall of 152 mm (6.0 in) over 18 days. In contrast, January presents a much cooler climate, featuring average temperatures between 7°C (44°F) and 31°C (89°F). This month enjoys much lower precipitation, totaling just 22 mm (0.9 in) over 4 days, with a humidity level of 51%. For more details about the January weather, you can check Pai weather in January.
When comparing the weather in May and February, a notable contrast emerges. May experiences warmer temperatures, with a minimum of 18°C (65°F) and an average of 26°C (79°F), peaking at a sweltering 38°C (101°F). In contrast, February has cooler conditions, starting at a minimum of 7°C (46°F) and averaging 21°C (70°F), with a maximum of 34°C (93°F). Additionally, May sees significantly more rainfall, totaling 152 mm (6.0 in) over 18 days, whereas February is much drier, with only 8 mm (0.3 in) of precipitation across just one day. The humidity levels are also different, with May at 63% compared to February's lower 46%. For more about February weather, visit Pai weather in February.
May's weather features warmer temperatures than March, with an average high of 26°C (79°F) compared to March's 24°C (76°F). However, both months can experience peak temperatures reaching up to 38°C (101°F). May is also significantly wetter, receiving about 152 mm (6.0 in) of precipitation over 18 days, while March experiences only a light drizzle of 4 mm (0.2 in) over just one day. Humidity levels in May are higher at 63%, compared to a much drier 38% in March. For more detailed insights on March weather, you can check out Pai weather in March.
May typically experiences warmer minimum temperatures compared to April, with a low of 18°C (65°F) in May versus 15°C (59°F) in April. Both months share the same maximum temperature of 38°C (101°F), and their average temperatures are quite similar, at 26°C (79°F) for May and 26°C (78°F) for April. However, May sees significantly more rainfall, with 152 mm (6.0 in) across 18 days, while April has only 76 mm (3.0 in) over 9 days, leading to a considerably higher humidity level of 63% in May compared to 36% in April. For more detailed information, you can check Pai weather in April.
In comparing the weather patterns of May and June, we see notable differences in temperature and precipitation. May typically experiences warmer days with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 38°C (101°F), averaging around 26°C (79°F). However, it also sees significant rainfall, with around 152 mm (6.0 in) of precipitation over 18 days, coupled with a humidity level of 63%.
In contrast, June's weather is slightly cooler, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 33°C (92°F), and an average of 25°C (77°F). However, it is notably wetter, recording approximately 234 mm (9.2 in) of rain over 27 days, and higher humidity at 81%. For more details on conditions during this time, you can check Pai weather in June.
In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 38°C (101°F), with an average of 26°C (79°F). The month experiences significant rainfall, totaling 152 mm (6.0 in) across 18 days, and humidity levels are moderate at 63%. In contrast, July presents cooler temperatures with a minimum of 20°C (68°F) and a maximum of 33°C (92°F), averaging 24°C (76°F). However, it is notably wetter, with precipitation reaching 286 mm (11.3 in) over 29 days, and humidity increasing to 83%. Overall, while May has higher temperatures and lower humidity, July is characterized by cooler weather and significantly more rainfall. For more information, you can check Pai weather in July.
In May, temperatures in the region typically range from a minimum of 18°C (65°F) to a maximum of 38°C (101°F), with an average of 26°C (79°F). This month sees about 152 mm (6.0 in) of precipitation spread across roughly 18 days, resulting in a humidity level of around 63%.
In contrast, August experiences slightly milder temperatures, with minimums around 20°C (68°F) and maximums at 33°C (91°F), averaging 24°C (76°F). However, this month is significantly wetter, receiving approximately 346 mm (13.6 in) of rainfall over 30 days, which raises the humidity to a high 91%. For more specific insights into the weather in August, you can explore Pai weather in August.
May and September exhibit distinct weather patterns, reflecting the transition from late spring to early autumn. In May, temperatures range from a minimum of 18°C (65°F) to a maximum of 38°C (101°F), averaging around 26°C (79°F). While it can be quite warm, May also sees a fair amount of precipitation, with about 152 mm (6.0 in) over 18 days, and humidity levels around 63%.
In contrast, September experiences slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 33°C (91°F), averaging 24°C (76°F). However, it typically receives more rainfall, totaling around 220 mm (8.7 in) over 26 days, which contributes to higher humidity levels at 83%. For those looking for specific weather details, you can check out Pai weather in September. Overall, September offers a wetter and more humid atmosphere compared to the warm and relatively dry May.
May and October present distinct yet somewhat similar weather patterns. In May, temperatures range from a minimum of 18°C (65°F) to a scorching maximum of 38°C (101°F), with an average of 26°C (79°F). The month is also characterized by significant rainfall, totaling 152 mm (6.0 in) over 18 days, and average humidity sits at 63%. In contrast, October offers slightly cooler temperatures, with a minimum of 17°C (63°F), an average of 23°C (74°F), and a maximum of 32°C (90°F). Precipitation in October is marginally lower at 148 mm (5.8 in) but occurs over a few more days (20 days), resulting in a slightly higher humidity level of 67%. For those interested in a deeper dive into October weather, you can find more information Pai weather in October.
In May, temperatures soar with a minimum of 18°C (65°F) and an average high of 26°C (79°F), reaching up to a sweltering 38°C (101°F). The month is also characterized by significant rainfall, racking up 152 mm (6.0 in) over 18 days, coupled with a humidity level of 63%. In contrast, November brings a cooler and more temperate climate, with minimum temperatures dropping to 13°C (55°F) and average highs around 22°C (72°F), peaking at 31°C (88°F). Rainfall is substantially lower in November, with only 39 mm (1.5 in) over 8 days and humidity remaining relatively steady at 60%. For more details about November weather conditions, you can visit Pai weather in November.
In May, temperatures soar with a minimum of 18°C (65°F) and an average of 26°C (79°F), peaking at a scorching 38°C (101°F). This month is characterized by significant rainfall, with 152 mm (6.0 in) spread over 18 days, leading to a higher humidity level of 63%. In contrast, December offers a much milder climate, featuring a minimum temperature of 5°C (42°F) and an average of 19°C (66°F), with a maximum of 30°C (87°F). Rainfall is minimal in December, totaling only 17 mm (0.7 in) over just 3 days, and the humidity is slightly lower at 56%. For more detailed information about the weather in December, you can check Pai weather in December.
As May unfolds in Pai, the weather begins to heat up, bringing higher temperatures than earlier months, with maximums hitting around 38°C (101°F). This month's climate also sees a shift towards increased humidity levels at approximately 63%, contributing to a more tropical feel. While the average temperature rests comfortably at 26°C (79°F), May distinguishes itself with frequent rainfall, accumulating around 152 mm across 18 days. This wetness not only revitalizes the landscape but also sets the stage for the lush beauty of the region in the following months. For a deeper dive into what to expect throughout the year, check out Pai Climate.