Last updated: August 27, 2025
In Bang Pa-in, Thailand, May brings a blend of heat and humidity, making it a quintessential tropical month. Daily temperatures soar to a maximum of 40°C (104°F), while the average hovers around a warm 30°C (87°F), offering little relief. The nights cool down to a minimum of 23°C (74°F), providing occasional respite. May is also characterized by significant precipitation, totaling 166 mm (6.5 in) over 21 days, contributing to a high average humidity of 76%. This combination creates a vibrant yet humid atmosphere, ideal for experiencing the lush landscapes and cultural richness of the region, albeit with an umbrella in hand!
In Bang Pa-in, Thailand, the month of May continues the trend of rising temperatures, with a minimum of 23°C (74°F) and an average temperature holding steady at 30°C (87°F). The heat peaks at a sweltering 40°C (104°F), mirroring the max temperatures seen in April. As the region transitions into the wet season, humidity increases, making the warm evenings feel even more sultry. This month signals the height of summer, with the comfort of cooler mornings giving way to steamy afternoons. As heat remains a steadfast companion, locals and visitors alike may seek respite in the shade or indulge in refreshing Thai iced beverages to beat the heat.
In May, Bang Pa-in experiences a significant uptick in precipitation, with 166 mm (6.5 in) of rainfall recorded over 21 days. This marks a notable increase from the 100 mm (4.0 in) in April, indicating the onset of the monsoon season. The frequency of rainy days rises steeply, contributing to the region’s lush, green landscape. Following May, the rainfall continues to swell in June and July, highlighting a trend of escalating precipitation during this period. Overall, May serves as a pivotal month, bridging the drier early months of the year with the wetter deluge of summer, thus setting the tone for Bang Pa-in's vibrant ecosystem.
As the calendar turns to May in Bang Pa-in, Thailand, the atmosphere transforms significantly, with humidity levels soaring to a notable 76%. This marks a sharp contrast to the drier months of early in the year, where January to April exhibited more manageable humidity levels averaging around 50%. The transition into May signals the onset of the hotter, more humid months, as humidity continues to climb, reaching its peak in August at 85%. The overall trend reveals that after the relatively mild early spring, residents can expect a sustained increase in humidity that persists throughout the summer and into the early fall, making May the gateway to Thailand's lush, tropical climate.
In Bang Pa-in, Thailand, the UV Index peaks in the spring months, showcasing a trend of increasing intensity as the year progresses. May features an extreme UV Index of 13, indicating that sun exposure can lead to burns in as little as 10 minutes. This follows an upward trajectory from earlier in the year, with February registering an Index of 12 and reaching a maximum of 14 in April. As the rains approach in June, the UV levels remain consistent, keeping that extreme classification with a sustained risk of quick sunburn. It's essential for residents and visitors to take protective measures during this period to enjoy the sun safely. For more detailed information on UV levels throughout the year, check out the Bang Pa-in UV Index.
UV Risk Categories
May in Bang Pa-in, Thailand, shines brightly with an impressive 320 hours of sunshine, making it a delightful month for outdoor activities. Following a trend of increasing daylight from the start of the year, May captures the essence of spring before welcoming the rainy season. Notably, the sunshine hours are slightly lower than in the bustling March and April months but still hold their own compared to the summer months ahead. As the year progresses, the daylight hours gradually decrease, with June experiencing a dip at 294 hours. However, May's radiant glow acts as a perfect bridge, celebrating the beautiful Thai climate before the seasonal shift.
In May, the likelihood of enjoying sunny weather in Bang Pa-in, Thailand, is relatively modest at 34%. This drop from the more promising 79% in February reflects a transition into the rainy season, with April already seeing a sharp decline to 18%. Following May, the chances diminish even further through the summer months, stalling at 16% in June and plummeting to 10% by July and August. Therefore, while May offers a fleeting opportunity for sunshine before the monsoon fully sets in, it is wise to prepare for the possibility of rain.
In Bang Pa-in, Thailand, the daylight duration exhibits a striking pattern throughout the year. From January to February, residents enjoy a consistent 11 hours of daylight, ushering in the year with relatively shorter days. As spring approaches in March and April, daylight subtly stretches to 12 hours, offering longer evenings that enhance outdoor activities. This trend of prolonged daylight continues into the summer months of May through August, maintaining a steady 12 hours daily, perfect for enjoying the region's vibrant culture and natural beauty. As the year winds down, daylight begins to wane once more, returning to 11 hours in October through December, marking a gentle transition back to the shorter days of winter. Overall, Bang Pa-in's daylight hours create a dynamic seasonal rhythm, celebrating both the bright allure of summer and the contemplative quiet of winter.
In Bang Pa-in, Thailand, the month of May sees an average wind speed of 2.2 m/s (5 mph), mirroring the gentle breezes typical of January and February. As the heat of the Thai summer begins to rise, May offers moderate winds, providing a refreshing contrast to the warmer temperatures. This season transitions into June, when winds pick up slightly to 3.0 m/s (7 mph), marking the approach of the rainy season. Notably, after a relative low in April, May’s wind speed reflects a pattern of fluctuation throughout the year, where the windy months are interspersed with calmer ones, from April’s lull to the more blustery months of June and July. Overall, May stands out as a pleasant balance in the annual wind cycle, offering just enough breeze to enjoy the lush surroundings while preparing for the upcoming changes in weather.
Weather in Bang Pa-in varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Bang Pa-in, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparison to January, May exhibits significantly warmer temperatures, with a minimum of 23°C (74°F) and an average high of 30°C (87°F), soaring to maximum highs of 40°C (104°F). In contrast, January's temperatures are milder, ranging from a minimum of 16°C (61°F) to an average high of 27°C (81°F), with a peak temperature of 36°C (96°F). Additionally, May is characterized by much higher humidity at 76% and considerable rainfall, averaging 166 mm (6.5 in) over 21 days, whereas January enjoys a drier climate with only 17 mm (0.7 in) of precipitation across 3 days and lower humidity levels of 50%. For more details on January conditions, check out Bang Pa-in weather in January.
May and February present contrasting weather patterns. In May, temperatures soar with a minimum of 23°C (74°F) and an average of 30°C (87°F), peaking at 40°C (104°F). This month is also marked by high humidity at 76% and significant precipitation of 166 mm (6.5 in) over 21 days. In contrast, February experiences milder conditions, with temperatures ranging from a minimum of 18°C (65°F) to an average of 28°C (83°F) and a maximum of 37°C (98°F). Additionally, February has much lower humidity at 47% and only 12 mm (0.5 in) of rain over just 3 days, making it a drier and more comfortable month overall. For more specific details, you can check Bang Pa-in weather in February.
The weather in May is considerably warmer and wetter compared to March. Both months have similar minimum temperatures, hovering around 23°C (74°F), and average temperatures of 30°C (86-87°F). However, May experiences a higher maximum temperature of 40°C (104°F) compared to March's peak of 39°C (102°F). Additionally, May is significantly wetter, receiving 166 mm (6.5 in) of precipitation across 21 days, while March sees only 47 mm (1.8 in) of rainfall over just 5 days. The humidity in May is also much higher at 76%, contrasted with March's 41%. For a detailed look at the weather patterns, you can visit Bang Pa-in weather in March.
In comparing the weather between April and May, May tends to have slightly higher minimum temperatures, averaging 23°C (74°F) compared to April's 20°C (68°F), while both months share the same maximum temperature of 40°C (104°F). Interestingly, April has a slightly higher average temperature of 31°C (87°F), yet May experiences a significant increase in precipitation, with 166 mm (6.5 in) over 21 days, compared to April's 100 mm (4.0 in) over 15 days. Humidity also rises dramatically in May to 76%, whereas April's humidity sits at a more comfortable 51%. For more details on April's weather specifics, you can visit Bang Pa-in weather in April.
The weather in May and June displays some similarities and differences. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (104°F), with an average of 30°C (87°F). The month experiences significant rainfall, with 166 mm (6.5 in) spread over 21 days, contributing to a humidity level of 76%. In contrast, June sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 39°C (102°F), maintaining an average of 30°C (86°F). Rainfall in June is less, totaling 135 mm (5.3 in) over 22 days, but humidity increases to 83%. For more detailed weather insights, you can check Bang Pa-in weather in June.
May and July present distinctly warm weather patterns, though July tends to be slightly more humid. In May, daytime temperatures range from a minimum of 23°C (74°F) to a maximum of 40°C (104°F), with an average temperature of 30°C (87°F). It also experiences significant rainfall, totaling 166 mm (6.5 in) over 21 days and a humidity level of 76%. In contrast, July sees a minimum temperature of 25°C (77°F) and a slightly lower average of 29°C (85°F), with maximums reaching 38°C (101°F). The month is a bit wetter, accumulating 179 mm (7.1 in) of rain over 26 days and experiencing a higher humidity level of 80%. For more specifics on July weather, you can check Bang Pa-in weather in July.
In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 40°C (104°F), with an average temperature of 30°C (87°F). The month sees significant rainfall, with 166 mm (6.5 in) spread across 21 days, resulting in a humidity level of 76%. In contrast, August experiences slightly higher minimum temperatures of 24°C (76°F) and a lower average of 29°C (85°F), with a maximum of 38°C (101°F). Precipitation increases to 194 mm (7.6 in) over 25 days, contributing to a higher humidity of 85%. For more detailed insights, you can visit Bang Pa-in weather in August.
May and September offer distinct weather experiences, with May typically featuring warmer temperatures that range from a minimum of 23°C (74°F) to a maximum of 40°C (104°F), while September sees slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 37°C (98°F). However, September is characterized by higher humidity levels at 88% compared to May's 76%, making it feel more humid. Additionally, rainfall is more abundant in September, with 279 mm (11.0 in) of precipitation over 25 days, compared to May's 166 mm (6.5 in) over 21 days. For more detailed insights, you can check the Bang Pa-in weather in September.
In comparison to May, October presents a slightly cooler climate with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 37°C (99°F), while May boasts a minimum of 23°C (74°F) and can reach highs of up to 40°C (104°F). Although both months experience considerable humidity, October's 79% is marginally higher than May's 76%. Additionally, October sees more rainfall, accumulating 212 mm (8.4 in) over 19 days, compared to May's 166 mm (6.5 in) over 21 days. For those interested in specific details about October’s weather, you can visit Bang Pa-in weather in October.
In May, the weather is significantly warmer and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a scorching maximum of 40°C (104°F). The month also experiences high rainfall, with 166 mm (6.5 in) of precipitation spread over 21 days, resulting in a humidity level of 76%.
In contrast, November features milder temperatures, with a minimum of 21°C (70°F) and a maximum of 36°C (97°F), along with less humidity at 68%. Precipitation drops dramatically to 50 mm (2.0 in) over just 8 days, making it a more comfortable time of year. For more details, you can check Bang Pa-in weather in November.
May and December present significantly different weather patterns. In May, temperatures soar, with minimums around 23°C (74°F) and maximums reaching up to 40°C (104°F), along with high humidity levels of 76%. This month also experiences considerable rainfall, totaling 166 mm (6.5 in) over 21 days, making it one of the wetter months of the year. In contrast, December offers a much milder climate, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 36°C (97°F) and an average of 27°C (81°F). Rainfall is minimal, accumulating only 18 mm (0.7 in) across just three days, and humidity drops to 59%. For a detailed look at December weather, check out Bang Pa-in weather in December.
As May rolls into Bang Pa-in, it brings a noticeable shift in weather patterns, marked by high temperatures and increased humidity. With average daytime highs reaching a sweltering 40°C (104°F), the heat can be intense, contrasting sharply with the more moderate temperatures of previous months. This month also sees a significant uptick in rainfall, averaging 166 mm across approximately 21 days, which contributes to the elevated humidity levels of around 76%. Visitors should be prepared for a mix of sunny days and sudden downpours, making May a distinctive month in Bang Pa-in's climate calendar. For more detailed insights, check out the full information on Bang Pa-in Climate.