Last updated: August 27, 2025
In Kanchanaburi, Thailand, the weather in May is characterized by soaring temperatures, with maximums reaching 41°C (106°F) and an average of 30°C (87°F), creating a warm atmosphere. Nights offer a bit of respite, with minimum temperatures around 23°C (74°F). This month is marked by high humidity levels of 79%, contributing to a tropical feeling. Rain is also prevalent, with a total precipitation of 125 mm (4.9 in) spread over approximately 20 days, making May a notably wet month that contrasts with the heat and invites visitors to embrace the lush, vibrant landscapes that thrive in these conditions.
In May, Kanchanaburi, Thailand, experiences a shift towards warmer temperatures, with nighttime lows settling around 23°C (74°F), making it feel noticeably warmer than the earlier months of the year. The average temperature remains steady at 30°C (87°F), while daytime highs flirt with the upper limits, capping at 41°C (106°F). This trend signifies the onset of the hotter summer days, closely mirroring April’s extremes, and suggests that visitors should be prepared for the heat during their explorations. As the month progresses, this warmth sets the stage for the lush rainy season ahead, providing a vibrant backdrop for adventure and relaxation alike.
May marks a significant turning point in Kanchanaburi's climatic narrative, as the region experiences a dramatic surge in precipitation. With 125 mm (4.9 in) of rainfall spread across 20 days, May reshapes the landscape, heralding the arrival of the monsoon season. This uptick is not merely numerical; it brings a lush vibrancy to the surrounding area, contrasting sharply with the drier months prior. The increase in wet days—from an average of just 14 days in April to 20 in May—highlights a transition from the pre-monsoon heat to a more humid, rain-soaked atmosphere. As the rain replenishes the rivers and nurtures the fields, May serves as a vital precursor to the following months, which only amplify the rainfall further. This pattern showcases the region’s climatic rhythm, painting a picture of dynamic environmental change as Kanchanaburi embraces the lushness of its wet season.
As May unfolds in Kanchanaburi, Thailand, the air becomes increasingly humid, with levels reaching an impressive 79%. This notable spike from April’s 69% sets the stage for the region's signature tropical climate, where humidity continues to rise into the following months. The trend is unmistakable; as the calendar advances toward the rainy season, humidity surges, peaking in August at 90%. Such high humidity levels not only enhance the lushness of the landscape but also create a characteristic warmth that defines Kanchanaburi’s vibrant atmosphere during this time of year.
In May, Kanchanaburi, Thailand, experiences an extreme UV Index of 14, consistent with the trend of high UV exposure seen from March through August. The 10-minute burn time emphasizes the critical need for sun protection during this month, as residents and visitors face intensified sunlight. As summer approaches, the UV Index peaks, prompting everyone to stay vigilant against sunburn. This month mirrors the preceding April and follows suit with June, showcasing a prolonged period of intense UV radiation in the region. For those planning outdoor activities, it's essential to consult the trends and stay informed by visiting the Kanchanaburi UV Index.
UV Risk Categories
In May, Kanchanaburi, Thailand, basks in a delightful average of 314 hours of sunshine, continuing the trend of abundant sunlight established in earlier months. This is slightly less than the peak of 332 hours observed in March, yet it remains a generous offering of bright days, perfect for outdoor explorations. The warm glow of May follows the flourishing sunshine of April and paves the way for the slightly cooler months ahead, like June with its 295 hours. As the year progresses, the sun remains a constant companion in Kanchanaburi, ensuring that each month is enriched with light and warmth for residents and travelers alike.
As May approaches in Kanchanaburi, Thailand, the likelihood of sunny weather takes a noticeable dip, with a mere 31% chance of sunshine. This marks a significant decline from the earlier months, particularly April's 18%, which already hinted at the onset of the rainy season. Interestingly, while January and February enjoy relatively high sunshine probabilities of 63% and 79% respectively, the trend sharply declines as the year progresses. Following May, the likelihood continues to wane through the summer months, hitting a low of 10% by July. These patterns suggest that May serves as a transitional month, where the vibrant, sunny days of early year yield to the increased cloud cover and rain typical of the approaching wet season.
In Kanchanaburi, Thailand, daylight duration exhibits a fascinating rhythm throughout the year. From January to February, the sun graces the skies for a steady 11 hours each day, providing a gentle start to the year. As we transition into March, daylight expands to 12 hours, signaling the approach of warmer months. This trend continues through April and into May, where the 12-hour daylight persists, allowing residents and visitors ample time to explore the region's natural beauty. Interestingly, this pattern of consistent 12-hour days remains unchanged from June through September, creating a harmonious balance of light before the daylight duration dips back to 11 hours in October and continues through the final months of the year. This dynamic interplay in daylight not only influences daily life but also showcases the vibrant cycle of nature in this stunning part of Thailand.
In May, Kanchanaburi experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), marking a slight increase from the previous months of April and March, both of which recorded similar calm conditions. This modest wind sets a tranquil backdrop as the region transitions into the wetter months ahead. As summer begins, the winds gently pick up momentum, reaching 2.7 m/s (6 mph) in June, before tapering off again in early autumn. Overall, May serves as a bridge; a momentary pause before the gusty winds of the rainy season take hold, making it an ideal time to enjoy the natural beauty of this enchanting area.
Weather in Kanchanaburi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Kanchanaburi, focusing on differences in temperature, rainfall, humidity, and UV levels.
The weather in May contrasts significantly with January, showcasing the transition from a cooler to a hotter climate. In May, temperatures soar with a minimum of 23°C (74°F) and can reach up to 41°C (106°F), averaging around 30°C (87°F). This month also experiences high humidity levels at 79% and substantial precipitation of 125 mm (4.9 in) over 20 days, making conditions quite steamy and wet. In stark comparison, January offers a milder climate with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 37°C (99°F), averaging 27°C (80°F). This month is characterized by minimal rainfall at just 16 mm (0.6 in), occurring over only 2 days, and lower humidity at 58%. For a more detailed look at January weather, you can check out Kanchanaburi weather in January.
When comparing the weather in May and February, it is evident that May is significantly hotter and more humid. In May, temperatures can soar to a maximum of 41°C (106°F), with an average high of 30°C (87°F), while February offers a milder experience with a maximum of 38°C (101°F) and an average temperature of 28°C (82°F). Additionally, May is much wetter, receiving about 125 mm (4.9 in) of precipitation across 20 days, unlike February, which sees only 11 mm (0.4 in) of rain over just 3 days. The humidity in May is also notably higher at 79%, compared to February's 59%. For more detailed information, you can check Kanchanaburi weather in February.
In comparing the weather between May and March, we see some notable differences. May tends to be hotter, with minimum temperatures around 23°C (74°F) and maximums reaching 41°C (106°F), while March offers slightly cooler temperatures, with a minimum of 20°C (68°F) and the same maximum at 41°C (105°F). However, both months average the same temperature of 30°C (86°F). May experiences significantly more precipitation, receiving 125 mm (4.9 in) over 20 days, in contrast to March's much drier conditions with only 22 mm (0.9 in) over just 4 days. Additionally, humidity is higher in May at 79%, compared to March's 62%. For more detailed information, you can check Kanchanaburi weather in March.
In comparing the weather of May and April, we observe some notable differences. May tends to be slightly warmer, with a minimum temperature of 23°C (74°F) compared to April's 20°C (69°F). The average temperatures remain similar, hovering around 30°C (87°F) in May and 31°C (87°F) in April, while both months experience maximum temperatures reaching as high as 41°C (106°F and 107°F, respectively). However, May is significantly wetter, receiving 125 mm (4.9 in) of rainfall over 20 days, compared to April's 79 mm (3.1 in) over just 14 days. Additionally, May's humidity is higher at 79%, compared to April's 69%. For more detailed information on the April weather, you can visit Kanchanaburi weather in April.
In comparison to May, June experiences slightly higher minimum temperatures, with averages remaining consistent at around 30°C (85°F). While both months see similar average temperatures, June's maximum temperature is marginally lower at 39°C (102°F) compared to May's peak of 41°C (106°F). Both months have substantial rainfall, with May having 125 mm (4.9 in) over 20 days and June seeing slightly less at 117 mm (4.6 in) over 18 days. Additionally, humidity is a bit higher in June at 87%, compared to May's 79%. For more detailed information, you can check Kanchanaburi weather in June.
May and July in Kanchanaburi exhibit fairly similar weather patterns, though with some notable differences. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 41°C (106°F), with an average temperature of 30°C (87°F). The month sees significant precipitation, totaling 125 mm (4.9 in) over 20 days and humidity levels around 79%. In contrast, July boasts slightly higher minimum temperatures at 24°C (76°F), an average of 29°C (84°F), and a maximum of 37°C (99°F). The precipitation is marginally lower at 123 mm (4.8 in), occurring over 21 days, with higher humidity at 89%. For more specific insights about the July climate, you can visit Kanchanaburi weather in July. Overall, both months are hot and humid, with May being slightly warmer and wetter than July.
May and August showcase distinctly different weather patterns in Kanchanaburi. In May, temperatures peak at a maximum of 41°C (106°F), with an average temperature of 30°C (87°F), complemented by a substantial average precipitation of 125 mm (4.9 in) over 20 days. The humidity during this month hovers around 79%, creating a warm and somewhat oppressive atmosphere. In contrast, August experiences milder temperatures with a maximum of 37°C (99°F) and an average of 28°C (84°F). However, it also sees increased rainfall, totaling 169 mm (6.7 in) across 23 days, and higher humidity at 90%, leading to a more humid and wet environment. For a detailed perspective on August's conditions, you can check Kanchanaburi weather in August.
May and September showcase contrasting weather patterns, with both months experiencing considerable warmth and humidity. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 41°C (106°F), with an average of 30°C (87°F). However, it also sees significant rainfall, totaling 125 mm (4.9 in) over approximately 20 days, and humidity levels hover around 79%.
Conversely, September tends to be slightly cooler, with temperatures varying from a minimum of 24°C (75°F) to a maximum of 38°C (101°F) and an average of 28°C (83°F). It is also a wetter month, receiving 204 mm (8.0 in) of precipitation across about 23 days, and the humidity climbs to 87%. For more in-depth information, you can explore Kanchanaburi weather in September.
May and October present contrasting yet similar weather patterns. In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 41°C (106°F), with an average temperature of 30°C (87°F). The month experiences significant rainfall, totaling 125 mm (4.9 in) over 20 days, accompanied by a humidity level of 79%. In comparison, October sees slightly cooler conditions, with a minimum temperature of 21°C (71°F) and a maximum of 35°C (96°F), averaging at 28°C (82°F). Precipitation is more pronounced in October, with totals reaching 179 mm (7.0 in) over the same number of rainy days but exhibits a marginal increase in humidity to 83%. For those interested in deeper insights, check out Kanchanaburi weather in October.
May and November present contrasting weather conditions in Kanchanaburi. In May, temperatures range from a minimum of 23°C (74°F) to a scorching maximum of 41°C (106°F), with an average of 30°C (87°F). This month is characterized by high humidity at 79% and significant precipitation, with rain falling on about 20 days, totaling 125 mm (4.9 in). In contrast, November offers milder temperatures, with a minimum of 19°C (67°F) and a maximum of 35°C (95°F), averaging 27°C (81°F). The humidity slightly decreases to 77%, and rainfall drops to 59 mm (2.3 in) over just 9 days. For more details, visit Kanchanaburi weather in November.
May experiences much hotter temperatures compared to December, with average highs reaching up to 41°C (106°F), while December's maximum temperature is significantly lower at 36°C (98°F). The humidity in May is also higher at 79%, contributing to the overall discomfort during this month. Additionally, May sees more frequent rainfall, with precipitation occurring on 20 days and totaling 125 mm (4.9 in), whereas December experiences only 11 mm (0.4 in) of rain over just 2 days. For a detailed look at December's weather, visit Kanchanaburi weather in December.
As May arrives in Kanchanaburi, the weather shifts from the mild temperatures of earlier months to a hotter and more humid climate. With average temperatures reaching around 30°C (87°F), the heat can be intense, sometimes peaking at an astonishing 41°C (106°F). This month also marks a significant increase in rainfall, with up to 125 mm falling over 20 days, transforming the landscape into a lush green haven. Despite the challenges of humidity levels soaring to 79%, May offers its unique charm, making it an ideal time for those who enjoy the vibrant scenery and don't mind a bit of rain. For a deeper dive into this region's weather patterns and fluctuations, check out Kanchanaburi Climate.