Last updated: August 27, 2025
May in Phetchaburi, Thailand brings a warm embrace as temperatures soar, with maximum highs reaching 36°C (96°F) and an average temperature of 30°C (86°F), while lows settle around 25°C (77°F). This month also marks a transition towards the rainy season, highlighted by 106 mm (4.2 in) of precipitation over 17 days, contributing to a rich humidity level of 79%. Expect lush landscapes and vibrant flora as Phetchaburi prepares for the summer monsoon, offering a unique blend of warmth and moisture that defines this tropical locale.
As May rolls into Phetchaburi, Thailand, temperatures begin to soar, marking the transition into the hottest part of the year. With a minimum temperature of 25°C (77°F) and an average of 30°C (86°F), the days feel increasingly warm. The maximum temperature can reach a sizzling 36°C (96°F), highlighting May as a month of intense heat. This trend captures the gradual rise in temperatures throughout the preceding months, where April's warmth (with highs of 35°C or 95°F) sets the stage for May's peak. As the warmest month so far, May's climate is ideal for enjoying the lush landscapes and vibrant culture, but visitors should stay hydrated and seek shade during the peak afternoon heat.
In May, Phetchaburi, Thailand, experiences a significant shift in its weather, marked by a notable increase in rainfall. With 106 mm (4.2 in) of precipitation over 17 days, May stands out as one of the wettest months of the year, following April's 82 mm (3.2 in). This uptick in precipitation not only highlights the transition into the monsoon season but also sets the stage for the region's lush landscapes ahead. As rainfall intensifies, the number of rainy days increases, creating a dynamic environment that precedes the even heavier rains of June, which, with 71 mm (2.8 in), reflects a gradual decline in total precipitation but still captures the essence of the early monsoon. These patterns underscore the seasonal fluctuations that characterize Phetchaburi’s climate, emphasizing a unique rhythm where late spring offers a taste of the forthcoming deluge.
In May, Phetchaburi, Thailand, experiences a notable surge in humidity, reaching a considerable 79%. This month marks a pivotal transition, as humidity levels rise sharply from 69% in April, setting the stage for the intense moisture that characterizes the monsoon season. As the landscape begins to pulse with life, May's humidity creates a languid atmosphere, making it ideal for exploring the region's lush greenery. This upward trend continues into June and July, where levels peak at 87% and 89%, respectively. Hence, May serves as a crucial turning point, hinting at the warmer, more humid months that lie ahead while inviting visitors to embrace the vibrant, tropical essence of Phetchaburi.
In May, Phetchaburi, Thailand, experiences one of its peak moments in UV exposure, with a UV Index consistently rated at 14, indicating an extreme exposure category. This significant reading means that outdoor enthusiasts have just 10 minutes before the risk of harmful skin effects escalates. The trend from January through May showcases a gradual rise in the UV Index, peaking in both April and May. As the month unfolds, it's crucial for residents and visitors alike to prioritize sun safety measures, especially given that the subsequent months mirror this extreme risk. For further insights on UV levels throughout the year, explore the detailed data at Phetchaburi UV Index.
UV Risk Categories
In Phetchaburi, Thailand, the month of May basks in an impressive 323 hours of sunshine, making it one of the sunniest months of the year. As the region transitions from the peak of summer, the sunshine hours in May closely mirror those of April and slightly trail behind March, which boasts the highest total at 338 hours. This consistency indicates that May continues to enjoy generous daylight, inviting both locals and visitors to embrace outdoor activities. Following May, June experiences a slight dip to 307 hours, hinting at the onset of the wet season, yet still retains ample sunshine. Overall, May serves as a vibrant bridge between the brilliant spring months and the incoming rains, showcasing Phetchaburi's sunny charm.
In Phetchaburi, Thailand, the likelihood of sunny weather takes a noticeable dip in May, with only a 34% chance of sunshine. This marks a significant decrease from the preceding months, particularly April, which boasts a more optimistic 22% chance of sun. As the region transitions from the dry season, the sunny days become increasingly scarce, foreshadowing the onset of the rainy season. Following May, the chances of sunny weather continue to plummet, with June sinking to just 15%. Thus, while May still offers some opportunities for bright days, it tends to signal the beginning of a trend toward cloudier and wetter weather in the months ahead.
In Phetchaburi, Thailand, the daylight duration experiences a subtle yet intriguing rhythm throughout the year. Starting in January and February, residents enjoy 11 hours of daylight, setting a consistent early tone. As spring unfolds in March and April, daylight expands to 12 hours, embracing the warmth of the approaching summer. This pattern continues through May, highlighting a steady 12 hours of daylight that persists until the end of September. As the year transitions into autumn, daylight diminishes again to 11 hours in October and returns to its winter pattern from November to December. The gradual shifts in daylight hours reflect the enchanting, cyclical nature of life in this vibrant region, inviting both residents and visitors to appreciate each season's unique charm.
In May, Phetchaburi experiences a gentle breeze with an average wind speed of 3.1 m/s (7 mph), consistent with the mild wind patterns of the preceding months. This month marks a slight uptick from the calmer days of April, where the wind speed dipped to 2.6 m/s (6 mph). The transition from the sweltering heat of the summer months is subtly reflected in the wind's rhythm, creating a pleasant environment ideal for outdoor activities. As Phetchaburi moves toward the wetter months, the winds remain relatively stable, suggesting a tranquil atmosphere amidst the natural beauty, setting the stage for the lush greenery that the rainy season brings.
Weather in Phetchaburi varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Phetchaburi, focusing on differences in temperature, rainfall, humidity, and UV levels.
May weather in Phetchaburi is characterized by significantly warmer temperatures, with daytime averages reaching around 30°C (86°F) and highs soaring to 36°C (96°F). In contrast, January enjoys milder conditions, with average temperatures around 27°C (80°F) and a maximum of 31°C (89°F). Additionally, May experiences much higher humidity at 79% and a substantial amount of rainfall, averaging 106 mm (4.2 in) over 17 days, while January is much drier, recording only 31 mm (1.2 in) across just 3 days. For a more detailed look at January's climate, you can visit Phetchaburi weather in January.
When comparing the weather in May and February, notable differences emerge in temperature and precipitation. May is significantly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 36°C (96°F) and an average of 30°C (86°F). In contrast, February's temperatures are milder, with a minimum of 23°C (73°F), an average of 27°C (82°F), and a maximum of 32°C (90°F). Additionally, May experiences much higher levels of precipitation, with 106 mm (4.2 in) over 17 days, compared to February's scant 13 mm (0.5 in) over just 2 days. The humidity is also higher in May at 79%, compared to 59% in February. For more detailed information, check out Phetchaburi weather in February.
In comparing the weather between March and May, May tends to be hotter and more humid. The average temperature in May reaches around 30°C (86°F), peaking at 36°C (96°F), while March has a slightly lower average of 29°C (84°F) with a maximum of 33°C (91°F). Additionally, May experiences significantly more rainfall, accumulating 106 mm (4.2 in) over 17 days, compared to March’s 36 mm (1.4 in) over just 3 days. The humidity also rises in May, averaging 79%, in contrast to March's 62%. For more detailed information on March weather, visit Phetchaburi weather in March.
In comparing the weather of May and April, May tends to be slightly warmer, with minimum temperatures averaging 25°C (77°F) compared to April's 22°C (73°F). Additionally, the average temperature in May remains steady at 30°C (86°F), similar to April, but reaches a maximum of 36°C (96°F), which is higher than April's 35°C (95°F). However, May also sees an increase in precipitation, with 106 mm (4.2 in) falling over 17 days, compared to April’s 82 mm (3.2 in) over 10 days. The humidity in May is notably higher at 79%, while April's humidity sits at a more comfortable 69%. For a detailed look at April weather specifics, you can check Phetchaburi weather in April.
May and June exhibit distinct climatic characteristics, with both months experiencing warm temperatures and relatively high humidity. In May, the minimum temperature reaches 25°C (77°F) and averages around 30°C (86°F), while highs can soar up to 36°C (96°F). Precipitation is more frequent in May, with 106 mm (4.2 in) recorded over 17 days, resulting in an average humidity of 79%. In contrast, June sees a slightly higher minimum temperature of 26°C (79°F) and a lower average at 29°C (85°F), with maximum temperatures peaking at 35°C (95°F). Rainfall decreases to 71 mm (2.8 in) over 15 days, and humidity rises to 87%. For further insights on June weather specifics, check Phetchaburi weather in June.
In comparing the weather of May and July, we can observe some notable differences. May tends to be hotter, with average temperatures reaching up to 30°C (86°F) and maximums peaking at 36°C (96°F), while July has a slightly cooler average of 29°C (85°F) and maximums of 34°C (93°F). However, July experiences higher humidity at 89% compared to May’s 79%, making it feel more uncomfortable despite the lower temperatures. Rainfall is also more frequent in May, with 106 mm (4.2 in) over 17 days, while July sees 89 mm (3.5 in) across 19 days. For more detailed information, you can check out Phetchaburi weather in July.
In comparing the weather between May and August, both months exhibit warm temperatures, with May having slightly higher averages and maximums. May's temperatures range from a minimum of 25°C to a maximum of 36°C, while August features a similar minimum at 25°C but a lower maximum of 34°C. Precipitation levels are quite comparable, with May experiencing 106 mm over 17 days and August receiving 105 mm of rainfall spread across 21 days, indicating increased rainy days in August. Moreover, humidity rises from 79% in May to 90% in August, creating a more humid atmosphere as summer progresses. For more detailed information on August weather, you can visit Phetchaburi weather in August.
In comparison to May, September experiences slightly cooler average temperatures, with a maximum of 35°C (94°F), compared to May's peak of 36°C (96°F). However, both months share the same minimum temperature of 25°C (77°F). September also sees higher precipitation levels at 164 mm (6.5 in) over 22 days, while May has 106 mm (4.2 in) across 17 days, indicating a wetter and more humid climate in September with humidity reaching 87% compared to May's 79%. For more detailed information, you can check Phetchaburi weather in September.
In May, temperatures are typically warmer with a minimum of 25°C (77°F) and an average high reaching 36°C (96°F), while October experiences slightly cooler temperatures, with a minimum of 24°C (76°F) and a maximum of 33°C (91°F). Although May sees less rainfall, with 106 mm (4.2 in) over 17 days, October is considerably wetter, receiving 241 mm (9.5 in) across 23 rainy days. Humidity levels also rise in October, reaching 83% compared to May's 79%. This shift in weather can significantly impact outdoor activities, making it essential to consider Phetchaburi weather in October when planning a visit.
May and November present distinct differences in weather characteristics. In May, temperatures range from a minimum of 25°C (77°F) to a maximum of 36°C (96°F), with an average of 30°C (86°F). The month experiences higher precipitation, totaling 106 mm (4.2 in) over about 17 days, along with a humidity level of 79%. Conversely, November tends to be slightly cooler, with temperatures varying from a minimum of 23°C (73°F) to a maximum of 32°C (90°F), averaging 28°C (82°F). Precipitation decreases to 94 mm (3.7 in) over approximately 12 days, while humidity remains relatively steady at 77%. For more detailed information, check the Phetchaburi weather in November.
In comparing the weather of May and December, one can observe significant differences. May boasts warmer temperatures, with a minimum of 25°C (77°F) and average highs reaching 36°C (96°F), making it a particularly hot month. Additionally, May experiences higher humidity at 79% and considerable precipitation, receiving about 106 mm (4.2 in) over approximately 17 days. In contrast, December offers a more temperate climate, with temperatures ranging from a minimum of 19°C (66°F) to an average of 27°C (80°F), and maximums of 32°C (89°F). Precipitation in December is notably lower, at just 25 mm (1.0 in) over three days, and the humidity drops to 66%. For more detailed information about December weather, you can check Phetchaburi weather in December.
As May unfolds in Phetchaburi, it's marked by a distinct shift in weather patterns, bringing warmer days and increased humidity compared to previous months. With average temperatures hovering around 30°C (86°F) and peaks reaching up to 36°C (96°F), this month introduces a more sweaty and sultry atmosphere. Rain becomes more prominent too, with 17 days experiencing precipitation that totals about 106 mm (4.2 in), signaling the onset of the rainy season. Such changes make May a dynamic time in Phetchaburi, where the tropical climate takes center stage. To learn more about the nuances of weather throughout the year, visit Phetchaburi Climate.