Last updated: August 27, 2025
In May, Chiang Khong, Thailand, experiences a dynamic climate characterized by maximum temperatures soaring up to 41°C (106°F), while the average temperature hovers around a warm 28°C (83°F). The evenings bring a soothing reprieve, with minimum temperatures dropping to a comfortable 20°C (68°F). This month also sees a notable precipitation total of 114 mm (4.5 in), distributed over approximately 13 rainy days, contributing to an overall humidity level of 60%. Visitors can expect a blend of intense heat and refreshing rain, ensuring a vibrant, albeit humid, atmosphere in this enchanting locale.
In May, Chiang Khong, Thailand, experiences a notable surge in temperatures as the region transitions deeper into the hot season. The minimum temperature rises to a warm 20°C (68°F), while the average climbs to a balmy 28°C (83°F), reflecting a considerable increase from previous months. This warming trend reaches its peak with maximum temperatures soaring to 41°C (106°F), making May one of the hottest months of the year. As the days grow longer and the sun shines brighter, visitors can expect a vibrant atmosphere, perfect for exploring the lush landscapes and unique culture of this captivating Northern Thai town. However, the heat can be intense, so staying hydrated and seeking shade during peak hours is essential for an enjoyable experience.
In Chiang Khong, Thailand, May marks a significant point in the rainy season, with precipitation accumulating to 114 mm (4.5 in) over approximately 13 days. This month's rainfall demonstrates a slight decrease from April's substantial 120 mm (4.7 in) yet remains essential for nurturing the region's lush landscapes. As the dry spells of early months fade, May's gentle showers pave the way for the more intense deluges that follow in June and July, marked by daily rainfall becoming increasingly common. Overall, May signals a transition, balancing the fading dry season with the impending surge of the wet season, reinforcing the rhythm of nature in this vibrant locale.
As May rolls into Chiang Khong, Thailand, residents and visitors experience a noticeable uptick in humidity, rising to 60% after a relatively dry April at 41%. This shift marks a transition into the wetter months, as the humidity continues to climb sharply through June and July, peaking at an impressive 92%. The increase in moisture during May is a harbinger of the rainy season, setting the stage for lush landscapes and vibrant flora. As the months progress, the humid air becomes a defining characteristic of the tropical climate, reminding us that while May may bring warmth, it also heralds the arrival of heavier, more persistent rains in the following months.
In May, Chiang Khong experiences one of its highest UV Index readings, reaching 14, classified under the extreme exposure category. This marks a significant trend as the UV Index escalates from 10 in February to its peak in May, emphasizing the need for sun safety with a burn time of just 10 minutes. As the region approaches the peak of the hot season, residents and visitors alike should be particularly mindful of sun protection strategies during this intense period. The consistent high readings from March through June highlight the necessity for vigilance, ensuring that everyone enjoys the beautiful weather while minimizing the risk of sunburn. For more insights on the UV levels throughout the year, visit Chiang Khong UV Index.
UV Risk Categories
May in Chiang Khong, Thailand, is a delightful month that welcomes an impressive 321 hours of sunshine. This stands as a highlight in the year, following a beautiful stretch from March, which recorded 327 hours, right through to April at 306 hours. As the region transitions into the sultry summer months, the sunshine begins to wane slightly, with June seeing a decrease to 274 hours. Clearly, May shines brightly as the last full month of striking sunlight before the rainy season gently begins to take its toll, making it an ideal time to explore the natural beauty of northern Thailand. It's a period where the warm rays create a perfect backdrop for outdoor adventures and cultural experiences.
In May, the likelihood of sunny weather in Chiang Khong, Thailand, takes a noticeable dip, with only a 40% chance of sunshine. This is a stark contrast to the preceding months, where March showcases a robust 83% sunshine probability, and even April maintains a decent 41%. As the region transitions from the relatively bright days of early spring into the onset of the rainy season, May marks a turning point, leading into the wetter months of June and July, where chances for sun drop sharply to 12% and 16%, respectively. This trend highlights the shift in weather patterns, making May a transitional period where sunny days become less predictable as the region prepares for the monsoon season.
In Chiang Khong, Thailand, daylight duration experiences a noticeable transformation throughout the year. Starting with a consistent 11 hours in January and February, the days gradually lengthen, peaking at 13 hours from May to July. This natural progression highlights the transition into the vibrant summer months, offering more time to enjoy the lush surroundings. As August rolls in, daylight begins to wane again, settling back to 12 hours in both August and September. Following this brief respite, the hours of daylight dip to 11 hours by October and November, before concluding with a shorter 10 hours in December. This rhythmic dance of light not only marks the changing seasons but also invites residents and visitors alike to embrace the beauty of Chiang Khong all year round.
In May, Chiang Khong experiences a gentle breeze, with average wind speeds reaching 1.5 m/s (about 3 mph), a consistent figure that reflects the transition into the wetter season. This slight uptick from April’s average of 1.4 m/s aligns with a general trend of increasing wind speeds as the months progress towards the summer, peaking in June at 1.8 m/s. The continuous light winds in May create a refreshing atmosphere, perfect for enjoying the natural beauty of the region as the landscape becomes lush from the approaching rains. As the year progresses, this trend of mild winds shifts to a mix of stronger gusts and calmer days, showcasing the dynamic weather patterns that define Chiang Khong’s charm throughout the year.
Weather in Chiang Khong varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Chiang Khong, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather in May and January reveals significant differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). This month also experiences considerable rainfall, with 114 mm (4.5 in) of precipitation over 13 days, contributing to a humidity level of 60%. On the other hand, January offers a milder climate, with temperatures ranging from a low of 9°C (48°F) to a high of 33°C (91°F) and an average of 21°C (69°F). Rainfall is considerably less, totaling only 34 mm (1.3 in) across 4 days, paired with a slightly lower humidity of 57%. For more insights on January weather, you can check Chiang Khong weather in January.
May and February exhibit contrasting weather patterns, with May being noticeably warmer and more humid than February. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 41°C (106°F), accompanied by an average of 28°C (83°F). This month also sees higher precipitation levels, with 114 mm (4.5 in) falling over 13 days. In contrast, February offers a milder climate, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 35°C (95°F) and an average of 22°C (72°F), along with minimal precipitation of just 16 mm (0.6 in) occurring on only 1 day. Humidity levels are slightly higher in May at 60%, compared to February's 57%. For more detailed information, you can check out Chiang Khong weather in February.
When comparing the weather of March and May, it’s clear that May is significantly hotter and more humid. In May, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). The month also sees increased precipitation, with 114 mm (4.5 in) falling over 13 days, resulting in a humidity level of 60%. In contrast, March has milder temperatures, with a minimum of 13°C (56°F), an average of 26°C (79°F), and a maximum of 39°C (102°F). Precipitation during March is much lower, at only 11 mm (0.4 in) over just 2 days, with a humidity level of 48%. For more detailed information, visit Chiang Khong weather in March.
In comparing the weather patterns of April and May, May tends to be warmer overall, with average temperatures reaching 28°C (83°F), compared to April's average of 27°C (81°F). The maximum temperature in May can soar up to 41°C (106°F), which is higher than April's peak of 39°C (103°F). Both months experience significant rainfall; however, May sees a slight decrease in total precipitation with 114 mm (4.5 in) over 13 days, while April has 120 mm (4.7 in) spread across 9 days. Additionally, the humidity in May is notably higher at 60%, compared to April's 41%. For a more detailed look at April's weather, you can visit Chiang Khong weather in April.
In comparing the weather of May and June, we observe a notable increase in humidity and precipitation as the month progresses. May experiences a minimum temperature of 20°C and an average of 28°C, with a maximum soaring to 41°C, while June sees slightly higher minimums at 23°C and a stable average of 28°C, but a lower maximum of 38°C. Rainfall also intensifies in June, with 229 mm recorded over 25 days, compared to May's 114 mm over 13 days. This shift results in an increase in humidity from 60% in May to 80% in June, making the latter month feel more muggy. For more details on June weather specifics, you can check Chiang Khong weather in June.
In comparing the weather between May and July, it’s evident that both months are characterized by warm temperatures, although July tends to be slightly more humid. May experiences a temperature range from a minimum of 20°C (68°F) to a maximum of 41°C (106°F), with an average of 28°C (83°F), while July has a minimum temperature of 23°C (73°F) and a maximum of 39°C (103°F), with a similar average of 28°C (82°F). However, July brings significantly more rainfall, with precipitation totaling 286 mm (11.3 in) across 26 days, compared to May's 114 mm (4.5 in) over 13 days, leading to a much higher humidity level of 92% in July. For a detailed look at July weather, you can visit Chiang Khong weather in July.
In comparing the weather between May and August, May generally showcases warmer temperatures, with a minimum of 20°C (68°F) and an average reaching up to 28°C (83°F), peaking at a scorching 41°C (106°F). However, it also experiences considerable rainfall, totaling 114 mm (4.5 in) across 13 rainy days, along with a moderate humidity level of 60%.
In contrast, August brings slightly cooler temperatures, with a minimum of 23°C (73°F) and an average of 27°C (81°F), but a much lower maximum of 35°C (96°F). The summer month sees a significant increase in precipitation, totaling 373 mm (14.7 in) across 27 rainy days, and the humidity rises notably to 92%. For more detailed information, you can explore Chiang Khong weather in August.
May and September in Chiang Khong present distinct weather characteristics. In May, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). The month experiences around 114 mm (4.5 in) of rainfall over approximately 13 days, complemented by moderate humidity levels of 60%. In contrast, September features a slightly cooler temperature range, with a minimum of 19°C (67°F) and a maximum of 35°C (96°F), averaging 27°C (81°F). However, this month is significantly wetter, receiving 199 mm (7.8 in) of precipitation across 23 days, and it is accompanied by higher humidity, peaking at 83%. For more detailed insights on September weather, you can refer to Chiang Khong weather in September.
May and October exhibit distinct differences in weather patterns. May typically boasts warmer temperatures, with a minimum of 20°C (68°F) and an average high reaching up to 41°C (106°F). In contrast, October cools down slightly, featuring a minimum temperature of 17°C (62°F) and a maximum of 36°C (96°F). Both months experience significant rainfall, with May receiving 114 mm (4.5 in) over approximately 13 days, while October sees a similar amount of precipitation at 113 mm (4.4 in) but over a slightly longer period of 16 days. Humidity levels are also higher in October at 71%, compared to May's 60%. For more specific details about October weather, you can check Chiang Khong weather in October.
In comparing the weather of May and November, May tends to be significantly warmer with average temperatures reaching 28°C (83°F) and maximums soaring up to 41°C (106°F). Precipitation is notably higher, with 114 mm (4.5 in) falling over 13 days, creating a more humid environment at 60%. In contrast, November offers a much cooler climate, featuring average temperatures around 24°C (75°F) and maximums of 34°C (93°F). The month is also drier, receiving only 29 mm (1.1 in) of rain over 6 days, while humidity increases slightly to 68%. This variation reflects a shift from the hot, humid atmosphere of May to the milder, more comfortable conditions of November. For more detailed information, check out Chiang Khong weather in November.
In May, temperatures soar with a minimum of 20°C (68°F) and can reach highs of up to 41°C (106°F), offering an average temperature of 28°C (83°F). This month also sees significant rainfall, with precipitation recorded at 114 mm (4.5 in) over 13 days, and humidity levels around 60%. In contrast, December experiences much cooler weather, with temperatures ranging from a minimum of 5°C (42°F) to a maximum of 32°C (90°F), averaging at 20°C (69°F). The month brings only 26 mm (1.0 in) of rain across just 4 days, along with slightly higher humidity at 64%. For a closer look at December weather specifics, visit Chiang Khong weather in December.
As May unfolds in Chiang Khong, the weather takes a noticeable turn, bringing a blend of warmth and humidity that sets it apart from earlier months. With daytime highs often soaring to about 41°C (106°F), it's the start of the hotter season, while the average temperature settles comfortably around 28°C (83°F). Rainfall also begins to make its presence felt with about 114 mm (4.5 in) of precipitation, occurring over roughly 13 days, which signals the onset of the monsoon season. This combination of warmth and moisture not only enhances the lush landscapes but also invites visitors to embrace the vibrant beauty of Chiang Khong. For a detailed overview of the region's weather patterns, check out Chiang Khong Climate.