Last updated: August 27, 2025
May in Surat Thani, Thailand brings a tropical embrace characterized by an average temperature of 29°C (84°F), with daily highs peaking at a sweltering 36°C (96°F). This month is also marked by substantial rainfall, accumulating around 151 mm (5.9 in) over 25 rainy days, contributing to a high humidity level of 77% that envelops the region. Visitors and locals alike can expect a lush, green landscape as nature flourishes under these warm, wet conditions, highlighting the vibrant beauty of Surat Thani during this rainy season.
In May, Surat Thani, Thailand, experiences a warm tropical climate, with temperatures reflecting a steady increase as the region transitions deeper into the hot season. Daily lows hover around a comfortable 25°C (77°F), while the average temperature remains consistent at 29°C (84°F). The daytime heat peaks at 36°C (96°F), mirroring the scorching highs recorded in April. May's weather continues the trend of elevated temperatures typical of this time of year, with nearly identical metrics to the preceding month, creating a sultry atmosphere perfect for exploring the lush surroundings. As rain begins to make occasional appearances towards the end of the month, the heat is occasionally tempered, offering a refreshing respite for both locals and visitors alike.
May brings a significant shift in precipitation patterns to Surat Thani, Thailand, marking one of the wettest months of the year. With 151 mm (5.9 in) of rainfall, it surpasses both January and March, contributing to a total of 25 rainy days—the highest in any month so far. This surge in rainfall not only highlights May as a transitional period into the monsoon season, but it also reflects a notable increase compared to April's 178 mm (7.0 in). As the lush landscapes of Surat Thani are nourished, the consistent rainfall paves the way for vibrant greenery, creating a scenic contrast to the drier months preceding it. With the rainfall peaking in the subsequent months, it sets a precedent for the heavy downpours that often characterize the region’s climate.
As May arrives in Surat Thani, Thailand, the humidity levels begin to climb, reaching 77%. This marked increase sets the stage for the humid and sweltering months ahead. Following a gradual rise from January's 72% to April's 69%, May signifies a turning point before the peaks of summer, where humidity skyrockets, reaching 86% in June and July. This trend highlights the onset of the wet season, with each subsequent month showcasing even higher humidity levels, peaking in August at 88%. Overall, May serves as a gateway month, ushering in the characteristic stickiness of tropical weather that defines Surat Thani's climate.
In May, Surat Thani experiences a notably high UV Index of 14, placing it firmly in the extreme exposure category, which means a mere 10 minutes in the sun can lead to skin damage. Following the trend from previous months, where the UV Index remained consistently high, May slightly dips from the peak of 15 seen in both March and April. Despite this small decrease, it's crucial for residents and visitors alike to remain vigilant and protect themselves from intense sun exposure. The UV levels in Surat Thani throughout the year reinforce the importance of sun safety practices, especially as the region enjoys a tropical climate year-round. For more detailed information, visit Surat Thani UV Index.
UV Risk Categories
Surat Thani, Thailand, basks in an abundance of sunshine throughout the year, but May stands out with an impressive 307 hours of sunlight. This month sits comfortably between the sunniest months of March and July, where hours of sunshine peak, creating a consistent trend of good weather. Following the bright days of April, May maintains a robust level of sunlight, offering visitors plenty of opportunities to explore this beautiful locale. Despite a slight dip during the rainy season in June, the overall pattern showcases that Surat Thani is a sunlit paradise, with an average of over 290 hours per month post-May, inviting travelers to revel in its tropical charm.
As May approaches in Surat Thani, Thailand, the likelihood of sunny weather noticeably diminishes, dropping to a mere 18% chance of sun. This marks a significant decline compared to the sunnier months of February (54%) and March (46%), highlighting a trend where the early months of the year enjoy more sunshine before the clouds of the wet season start to gather. Following May, the chances remain relatively low, with June at 20% and July plummeting further to 17%. This pattern suggests that if you're planning a trip to Surat Thani in May, be prepared for a mix of sunshine and potential rain as the region transitions into its rainy season.
In Surat Thani, Thailand, the daylight duration showcases a subtle yet captivating rhythm throughout the year. From January to April, the days gradually open up, moving from 11 hours of sunlight to 12—welcoming the warmth of spring. As May unfolds, the trend stabilizes, maintaining a solid 12 hours of daylight alongside the vibrant tropical environment. This consistent light continues through the summer months of June, July, and August, enveloping the region in bright, sunny days. As the year wanes, daylight gradually recedes again, returning to 11 hours in October, signaling the arrival of cooler months. Overall, this gentle ebb and flow of daylight captures the essence of Surat Thani's tropical charm, providing a delightful backdrop for both locals and visitors alike.
In May, Surat Thani experiences a gentle shift in its wind patterns with an average wind speed of 2.5 m/s (6 mph). This moderate breeze offers a pleasant respite from the rising heat of the preceding months, providing a subtle contrast to the calmest winds of April. While January through April mark the lower end of the spectrum, with speeds dipping to just 2.1 m/s, the winds pick up slightly as the region approaches the mid-year mark. Following May, the wind speed climbs again in June and July, reaching up to 3.3 m/s (7 mph), indicating a trend of increasing activity as the monsoon season approaches. Overall, May serves as a transitional month, where the breezes bring a refreshing touch, setting the stage for the gustier months ahead.
Weather in Surat Thani varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Surat Thani, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, May tends to be significantly warmer, with average temperatures reaching 29°C (84°F) and highs soaring up to 36°C (96°F). In contrast, January offers milder conditions, with average temperatures around 27°C (81°F) and maximums of 32°C (90°F). Additionally, May experiences higher humidity at 77% and substantially more rainfall, with 151 mm (5.9 in) spread over 25 days. January, on the other hand, is slightly drier, receiving 137 mm (5.4 in) of precipitation over just 13 days. For more details on January weather in Surat Thani, you can check out Surat Thani weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a minimum of 25°C (77°F) to a scorching maximum of 36°C (96°F), with an average of 29°C (84°F). The month is characterized by heavy rainfall, accumulating 151 mm (5.9 in) over 25 days, leading to a higher humidity level of 77%. In comparison, February experiences milder temperatures, with a minimum of 21°C (71°F) and a maximum of 33°C (92°F), averaging around 27°C (82°F). The precipitation is significantly lower, at just 28 mm (1.1 in) over 6 days, and humidity is slightly less at 68%. For more detailed insights, you can check Surat Thani weather in February.
When comparing the weather in May and March, both months exhibit warm temperatures with an average of 29°C (84°F). However, May tends to be hotter, with maximum temperatures reaching 36°C (96°F) compared to March's peak of 35°C (95°F). Additionally, May experiences significantly higher precipitation, totaling 151 mm (5.9 in) over 25 days, while March has only 38 mm (1.5 in) across just 6 days. The humidity in May is also higher at 77%, compared to March's 68%, making May feel more muggy and tropical. For more detailed insights, you can check Surat Thani weather in March.
In comparing the weather between April and May, both months experience similar temperature ranges, with minimums around 25°C (77°F), averages at 29°C (84°F), and maximums reaching up to 36°C (96°F in May and 97°F in April). However, April tends to be wetter, with a total precipitation of 178 mm (7.0 in) over 19 days, compared to May's 151 mm (5.9 in) across 25 days. Additionally, the humidity levels rise in May to 77%, while April maintains a slightly lower humidity at 69%. For a more detailed look into April's weather conditions, you can check Surat Thani weather in April.
In comparing the weather between May and June, we see some notable differences. May tends to be warmer with an average temperature of 29°C (84°F), peaking at 36°C (96°F), while June cools slightly with an average of 28°C (83°F) and a maximum of 34°C (94°F). Precipitation also decreases in June, with 117 mm (4.6 in) falling over 19 days, compared to 151 mm (5.9 in) over 25 days in May. Additionally, June exhibits higher humidity at 86%, compared to May’s 77%. For more detailed information, you can check Surat Thani weather in June.
May and July both experience warm temperatures, with May averaging around 29°C (84°F) and July slightly cooler at 28°C (83°F). The maximum temperatures in both months reach similar highs of 36°C (96°F in May and 97°F in July), while the minimum temperatures remain consistent at 25°C (77°F in May and 76°F in July). However, May tends to be wetter, with 151 mm (5.9 in) of precipitation over 25 days compared to July's 95 mm (3.7 in) over 18 days. Additionally, July has a higher humidity level at 86%, whereas May's humidity is at 77%. For more details on July weather, you can check out Surat Thani weather in July.
In comparing the weather between May and August, May tends to be slightly hotter, with average temperatures reaching 29°C (84°F) and maximums peaking at 36°C (96°F). In contrast, August sees a marginally cooler average temperature of 28°C (83°F) and a maximum of 35°C (95°F). Precipitation is also notably higher in May, with 151 mm (5.9 in) falling over 25 days, compared to August's 99 mm (3.9 in) over 21 days. Additionally, humidity levels peak in August at 88%, slightly surpassing May's 77%. For more detailed information, you can check Surat Thani weather in August.
When comparing the weather in May and September, it is evident that both months experience warm temperatures, though May tends to be slightly hotter overall. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (96°F), with an average temperature of 29°C (84°F). September, on the other hand, has a minimum temperature of 24°C (76°F) and a maximum of 34°C (94°F), with an average of 28°C (82°F).
Precipitation levels also differ slightly, with September receiving 164 mm (6.5 in) over 24 days compared to May's 151 mm (5.9 in) spread across 25 days. Additionally, September tends to be more humid, with humidity levels at 87%, compared to May’s 77%. For more detailed information, you can visit Surat Thani weather in September.
When comparing the weather in May and October, we find that May tends to be warmer overall, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (96°F). In contrast, October's temperatures are slightly cooler, with averages between 24°C (76°F) and 33°C (91°F). However, October experiences greater precipitation, totaling 239 mm (9.4 in) over approximately 28 days, compared to May's 151 mm (5.9 in) spread over 25 days. Additionally, October has higher humidity levels at 86%, which can make the air feel heavier than in May, when humidity is at 77%. For more insights into October weather, you can check Surat Thani weather in October.
May and November exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (96°F), with an average of 29°C (84°F). The month experiences significant precipitation, totaling 151 mm (5.9 in) over 25 days, accompanied by humidity levels at 77%. In contrast, November features slightly cooler temperatures, with a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 32°C (89°F). However, it sees much higher rainfall, accumulating 317 mm (12.5 in) over 26 days, along with increased humidity at 87%. For more details about November weather specifics, you can explore Surat Thani weather in November.
In May, temperatures in Surat Thani typically range from a minimum of 25°C (77°F) to a maximum of 36°C (96°F), with an average of 29°C (84°F). The month sees considerable rainfall, accumulating to 151 mm (5.9 in) over 25 days, coupled with a humidity level of 77%. In contrast, December features slightly cooler temperatures, with a minimum of 23°C (75°F) and a maximum of 32°C (89°F), averaging 27°C (80°F). While December experiences more precipitation at 197 mm (7.8 in) over 20 days, the humidity increases to 83%. For a closer look at the weather specifics during December, you can check Surat Thani weather in December.
As May arrives in Surat Thani, it brings a noticeable shift in weather patterns compared to previous months. The average temperature hovers around a warm 29°C, complemented by high humidity levels of 77%, making the atmosphere quite muggy. Rain becomes more prevalent, with nearly every day seeing some form of precipitation, totaling around 151 mm for the month. This increase in rainfall contributes to the lush green landscapes typical of the region, as well as a more vibrant natural environment. If you're looking to explore the unique climate characteristics of this beautiful area, visit Surat Thani Climate for more insights.