Last updated: August 27, 2025
May weather in Pathum Wan, Thailand is characterized by hot temperatures and a significant amount of rainfall. The maximum temperature can reach up to 40°C (103°F), while the average temperature hovers around 30°C (87°F), providing a warm backdrop for the month. Nights are generally milder with a minimum temperature of 23°C (74°F). During May, the region experiences 142 mm (5.6 in) of precipitation across approximately 19 days, contributing to an humidity level of around 80%. This combination of heat and humidity creates a uniquely tropical atmosphere, making it essential for visitors to stay hydrated and plan activities around the shifting weather patterns.
In May, Pathum Wan, Thailand experiences a notable rise in temperatures, marking the transition into the hottest part of the year. With minimums averaging 23°C (74°F) and maximums soaring to 40°C (103°F), the month showcases the peak of warmth and often humidity. The average temperature holds steady at 30°C (87°F), mirroring the level from previous months but with a sharper upper limit. This gradual upward trend in May's temperatures continues from April, where maximums reached 38°C (100°F), indicating the region's steady march towards peak summer. Travelers should prepare for intense heat and embrace the vibrant energy that comes with it, as May creates a sizzling backdrop for exploration and cultural experiences in this bustling urban landscape.
May marks a significant transition in Pathum Wan’s precipitation patterns, as the region experiences a sharp uptick in rainfall, totaling 142 mm (5.6 in) over the month. This surge is coupled with 19 days of rain, demonstrating a notable increase from the previous months. The gradual rise in precipitation is evident, particularly as April's 107 mm (4.2 in) laid the groundwork for May's downpours. Following the trend, the rainy season intensifies as June approaches, with expectations of even greater precipitation. As the first month to experience consistently wet days, May signals the onset of the heart of the rainy season, shaping the lush landscapes that characterize this vibrant region.
In May, Pathum Wan, Thailand, experiences a significant uptick in humidity, soaring to 80%, a notable rise from the 70% recorded in April. This increase marks the transition into the sweltering summer months, as the region shifts toward even higher humidity levels in the following months, peaking at 88% in August. The trend clearly indicates a gradual climb in moisture, starting from a more moderate 58% in February and culminating at some of the highest figures seen throughout the year. As the days lengthen and temperatures rise, residents and visitors alike can expect a warm, tropical atmosphere, characteristic of Thailand's vibrant and sometimes humid climate.
In May, Pathum Wan, Thailand, experiences an intense surge in UV levels, with the UV Index reaching a striking 14, placing it in the extreme exposure category. This trend of high UV intensity is consistent as it follows a sequence from March through July, where the Index fluctuates between 13 and 14, demanding vigilance against sunburn with a critical burn time of just 10 minutes. As the month progresses, the extreme levels of UV radiation highlight the importance of sun safety and protection, making it essential for residents and visitors to take precautions. For more detailed insights on UV levels throughout the year, be sure to check out the information available at Pathum Wan UV Index.
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In Pathum Wan, Thailand, May greets residents and visitors with a delightful average of 321 sunshine hours, continuing the trend of vibrant daylight that blossoms throughout the spring. Following a peak in March with 336 hours, the sunshine slightly dips in April before stabilizing in May, showcasing a consistent glow that sets the tone for the upcoming rainy season. This moderation in solar exposure suggests that while summer is on the horizon, Pathum Wan remains a luminous destination, inviting people to enjoy outdoor adventures before the clouds gather. With sunshine hours gradually decreasing into the following months, May serves as a perfect bridge between the sunny days of early spring and the transitional weather of summer, making it an ideal time to explore this vibrant part of Thailand.
In Pathum Wan, Thailand, the likelihood of sunny weather experiences a notable decline as the year progresses into May, with only a 33% chance of sunshine. This forecast comes on the heels of a vibrant February, which boasts a stunning 76% chance of sunny days. However, as the region transitions from the dry months of January and February into the rainy season, April plummets to an 18% sun probability, signaling the start of wetter days. Following this trend, May continues the downward spiral, reflecting the onset of monsoon conditions. The outlook becomes even more challenging in the subsequent months of June and July, where chances dip to 17% and 11%, respectively, urging sun-seekers to plan accordingly.
In Pathum Wan, Thailand, the daylight duration exhibits a fascinating rhythm throughout the year. Starting at a steady 11 hours in January and February, the days gradually extend to 12 hours as March rolls around, marking the transition into a sunnier season. This consistent 12-hour daylight persists from April through September, creating a perfect backdrop for outdoor activities and vibrant local festivals. As October approaches, daylight begins to wane once again, retreating back to 11 hours in the final months of the year, ensuring a balanced cycle of light and darkness. This ebb and flow of daylight not only influences the region's climate but also resonates with the cultural practices of its people.
In May, the winds in Pathum Wan, Thailand reach an average speed of 2.4 m/s (5 mph), mirroring the gentle breeziness of February. This moderate wind kicks off a seasonal transition, as the wind speeds begin to rise slightly after dipping in April to 1.9 m/s (4 mph). Following this, June ramps up to 3.0 m/s (7 mph), indicating a trend toward stronger winds as the region moves deeper into summer. Overall, May reflects a period of pleasant, moderate winds, setting the stage for the breezier days ahead, while remaining consistent with the gentle flow of early spring.
Weather in Pathum Wan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Pathum Wan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is significantly warmer and more humid than in January. With average temperatures reaching 30°C (87°F) and occasional highs of up to 40°C (103°F), the heat is accompanied by high humidity levels at 80%, making it feel even warmer. In contrast, January offers a more moderate climate with average temperatures around 27°C (81°F) and maximums peaking at 35°C (94°F), along with much lower humidity at 59%. Additionally, May experiences more precipitation, with 142 mm (5.6 in) over 19 days, while January enjoys a drier atmosphere with only 29 mm (1.1 in) over just three days. For more details on the weather conditions in January, check out Pathum Wan weather in January.
When comparing the weather in May and February, it's evident that May is significantly warmer and more humid. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average temperature of 30°C (87°F). This month also sees high humidity at 80% and considerable rainfall, averaging 142 mm over 19 days. In contrast, February experiences milder conditions, with temperatures ranging from 19°C (66°F) to 35°C (96°F) and an average of 28°C (82°F). It is much drier in February, with only 14 mm of precipitation over just 3 days and lower humidity at 58%. For more detailed insights on February weather, please visit Pathum Wan weather in February.
In comparing the weather between March and May, it’s evident that May presents a warmer and more humid climate. While March experiences slightly cooler temperatures with a minimum of 22°C (72°F) and a maximum of 37°C (99°F), May's temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F). Furthermore, May sees significantly more precipitation, totaling 142 mm (5.6 in) over 19 days, compared to just 44 mm (1.7 in) over 5 days in March. The humidity also rises sharply in May, averaging around 80%, in contrast to March's 61%. For a detailed look at March's weather, you can visit Pathum Wan weather in March.
In comparing the weather in May and April, both months display similar average temperatures, with May recording a minimum of 23°C and an average of 30°C, just like April, which has a minimum of 21°C and an average of 30°C. However, May experiences a slightly higher maximum temperature of 40°C compared to April's maximum of 38°C. Precipitation is more frequent in May, with 142 mm spread over 19 days, while April sees less rain, totaling 107 mm over 12 days. Additionally, the humidity rises notably in May to 80%, compared to April's 70%. For more detailed information on April's weather, you can visit Pathum Wan weather in April.
In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average temperature of 30°C (87°F). The month sees substantial rainfall, with 142 mm (5.6 in) of precipitation spread over 19 days, contributing to a high humidity level of 80%. In contrast, June experiences slightly warmer minimum temperatures at 25°C (78°F) while the average remains stable at 30°C (86°F). The maximum temperature is lower than in May, peaking at 37°C (99°F), with 112 mm (4.4 in) of rain over 22 days and an increase in humidity to 85%. Overall, while both months are characterized by high temperatures and humidity, May is wetter and hotter at its peak compared to June. For more details, check out Pathum Wan weather in June.
May and July both experience warm temperatures, but with some notable differences. In May, the average temperature is slightly higher at 30°C (87°F), peaking at a maximum of 40°C (103°F), while July sees a lower average of 29°C (85°F) and a maximum of 37°C (99°F). Precipitation is also more frequent in July, with 159 mm (6.2 in) over 26 days, compared to May's 142 mm (5.6 in) over 19 days. Additionally, humidity levels rise in July, reaching 86% compared to May's 80%. For more detailed information, you can check Pathum Wan weather in July.
May and August present notable contrasts in weather patterns. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average temperature of 30°C (87°F). The month sees a significant amount of precipitation, totaling 142 mm (5.6 in) over 19 days, and humidity levels are relatively high at 80%. Conversely, August features slightly warmer temperatures, with minimums of 25°C (77°F) and maximums of 37°C (99°F), resulting in an average of 29°C (85°F). August experiences more precipitation, totaling 163 mm (6.4 in) over 23 days, while humidity climbs to 88%. For a closer look at August weather specifics, visit Pathum Wan weather in August.
In May, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average of 30°C (87°F). The month experiences considerable rainfall, totaling 142 mm (5.6 in) over 19 days, accompanied by high humidity levels around 80%. In contrast, September sees slightly cooler temperatures with a minimum of 24°C (76°F) and a maximum of 36°C (97°F), averaging 29°C (84°F). However, it brings significantly more precipitation, amounting to 245 mm (9.6 in) over 24 days, and higher humidity at 87%. For more detailed weather information, you can check Pathum Wan weather in September.
In comparing the weather between May and October, we see notable differences in temperature and precipitation. May boasts a higher average maximum temperature of 40°C (103°F), while October features a more moderate maximum of 35°C (96°F). Both months maintain a minimum temperature of 23°C (74°F), but October's average temperature drops slightly to 29°C (84°F). When it comes to rainfall, October experiences greater precipitation at 250 mm (9.9 in) over 21 days, compared to May's 142 mm (5.6 in) across 19 days, making October the wetter month. Additionally, humidity levels are quite similar, with October slightly higher at 83% compared to May's 80%. For detailed insights, you can check Pathum Wan weather in October.
May and November showcase distinct weather patterns. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (103°F), with an average of 30°C (87°F). It is a much wetter month, experiencing significant precipitation of 142 mm (5.6 in) over about 19 days and high humidity levels at 80%. In contrast, November features milder temperatures, with a minimum of 21°C (70°F), an average of 28°C (83°F), and a maximum of 35°C (95°F). The rainfall drops considerably to 61 mm (2.4 in) spread across 9 days, along with slightly lower humidity at 78%. For more details, visit Pathum Wan weather in November.
May and December present quite contrasting weather patterns. In May, temperatures soar with a minimum of 23°C (74°F) and can peak at 40°C (103°F), averaging around 30°C (87°F). This month is also marked by significant rainfall, totaling 142 mm (5.6 in) over 19 days, contributing to a humid environment with 80% humidity. In stark contrast, December boasts more moderate temperatures, with a minimum of 15°C (59°F) and a maximum of 35°C (95°F), averaging 27°C (80°F). Precipitation drops dramatically to just 24 mm (0.9 in) over a mere 2 days, and humidity levels decrease to 70%. For a detailed look at December conditions, visit Pathum Wan weather in December.
May in Pathum Wan stands out as a month of contrast, with temperatures often peaking at sweltering heights, coupled with high humidity that creates an almost tropical feel. Unlike the cooler months that precede it, May ushers in a significant uptick in precipitation, marked by nearly three weeks of rain, which is a notable shift from the dryer season. This combination of heat and moisture not only heightens the chance of rain but also enhances the lush greenery of the region. For those keen to learn more about the climatic patterns in this vibrant area, take a look at the detailed insights on Pathum Wan Climate.