Last updated: August 27, 2025
May in Prachuap Khiri Khan, Thailand welcomes a tropical climate characterized by a maximum temperature reaching 33°C (92°F) and an average temperature of 28°C (82°F), with nighttime lows around 24°C (76°F). This month is marked by high humidity levels at 77%, contributing to a lush, vibrant landscape. Travelers should be prepared for frequent rainfall, with 170 mm (6.7 inches) of precipitation spread over 24 days, making May one of the wetter months in the region. Whether you’re seeking adventure or relaxation, the mix of warm temperatures and refreshing showers creates a uniquely inviting environment.
In Prachuap Khiri Khan, Thailand, the month of May ushers in a notable warmth as temperatures rise, with minimums around 24°C (76°F) and peak highs reaching a sweltering 33°C (92°F). This slight increase in warmth compared to April reflects the transition into the hotter part of the year, where the **average temperature settles at a comfortable 28°C (82°F). As the region embraces the heat, the stable and high maximums persist, echoing the consistent warmth that characterizes the Thai climate. With these inviting temperatures, May serves as an excellent time for visitors to explore the vibrant landscapes and bustling beaches of the area before the rainy season arrives.
In May, Prachuap Khiri Khan experiences a notable surge in precipitation, with an impressive 170 mm (6.7 in) of rainfall recorded over 24 days. This marks a significant increase from the previous months, especially when compared to April's 144 mm (5.7 in). As the region transitions into the monsoon season, the frequency of rain intensifies, with May boasting nearly 80% of its days experiencing some level of precipitation. This trend sets the stage for the upcoming months, where rainfall continues to be a key feature, culminating in even higher totals by October. Overall, May stands as a pivotal month in the annual climatic cycle of Prachuap Khiri Khan, heralding the lush, green landscapes that define this tropical paradise.
In May, Prachuap Khiri Khan experiences a significant increase in humidity, soaring to 77%, a noticeable jump from the previous months. This uptick signals the transition towards the wetter season, as the air grows increasingly heavy with moisture. Following the trend established in the preceding months, where humidity gradually increased from 67% in January to 71% in April, May marks a pivotal point. The climb continues into the summer months, reaching peaks of 85% in June and 88% in August, illustrating a pattern of rising humidity that defines the region's tropical climate. As the year progresses, the shift not only enhances the feeling of warmth but also sets the stage for the oppressive humidity that dominates the months ahead.
In Prachuap Khiri Khan, Thailand, the UV Index remains consistently high throughout May, recorded at 14 and categorized as extreme. This trend of intensifying UV levels begins in January with an index of 11 and peaks in March at 15, before stabilizing again at 14 in May and continuing through to August. With a burn time of just 10 minutes, residents and visitors must take precautionary measures against skin damage, as the sun's intensity is relentless. This pattern of extreme UV exposure underscores the importance of protecting your skin year-round. For more detailed information, check out the Prachuap Khiri Khan UV Index.
UV Risk Categories
May in Prachuap Khiri Khan, Thailand, offers a delightful blend of sunshine, with an impressive 321 hours of bright, sunshine-filled days. This month maintains a high level of sunlight that is characteristic of the spring season in this coastal region, slightly lower than the peak of March at 340 hours but still within a vibrant range. As the landscape transitions into the warmth of summer, May's sunlight hints at the approaching monsoon, contrasting with the preceding months that exhibit an overall trend of decreasing daylight hours. Nestled between April’s 318 hours and June’s 292 hours, May provides an ideal setting for outdoor adventures and relaxation along the stunning beaches, making it a perfect time to soak in the sun before the rains arrive.
In May, Prachuap Khiri Khan, Thailand, experiences a noticeable dip in sunny weather, with only a 25% chance of sunshine. This follows a significant decline from April's 24%, indicating the onset of the rainy season. Comparatively, the sun shines most brightly in the earlier months, with February boasting a strong 64%, while the following months see a steady decrease, plunging to a mere 11% by July. This trend reveals that, while May still holds some potential for sun, it's best to prepare for increased cloud cover as the tropical climate ushers in more rain for the coming months.
In Prachuap Khiri Khan, Thailand, the daylight duration follows a captivating rhythm throughout the year. During the first few months, January and February offer 11 hours of sunlight, gradually increasing as spring approaches. By March, the days extend to 12 hours, a trend that continues steadily through the summer months of April to September. This consistent daylight fosters an inviting atmosphere, perfect for outdoor activities and exploration. As the year progresses into October, daylight begins to shorten once again, settling back to 11 hours by November and December. This cyclical pattern not only highlights the region's climatic balance but also enhances its charm, making each season unique while embracing its share of sunlight.
In Prachuap Khiri Khan, May brings a gentle breath of 3.0 m/s (7 mph) winds, marking a slight uptick from the preceding months. This modest increase reflects a subtle shift as the region transitions toward the breezier summer months. Notably, as the year progresses, wind speeds generally rise, with June and July showcasing the most robust gusts, averaging 4.3 m/s (10 mph) and 4.4 m/s (10 mph) respectively. Despite May laying the groundwork for this seasonal shift, it appears as a tranquil pause between the calmer spring and the invigorating summer breeze, offering a perfect backdrop for leisurely outdoor activities. As the winds begin to pick up, adventurers and nature lovers alike can look forward to the vibrant energy that the coming months will bring.
Weather in Prachuap Khiri Khan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Prachuap Khiri Khan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, May typically presents a much warmer and more humid climate. During this month, temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (92°F), with an average temperature of 28°C (82°F). However, it also comes with significant rainfall, totaling 170 mm (6.7 in) over about 24 rainy days, leading to a high humidity level of 77%.
In contrast, January offers a cooler and drier experience, with temperatures ranging from a minimum of 19°C (67°F) to a maximum of 30°C (86°F) and an average temperature of 25°C (78°F). Precipitation is considerably lower at 93 mm (3.7 in) over just 6 days, resulting in a more comfortable humidity level of 67%. For a more detailed look at the weather conditions in January, check out this link: Prachuap Khiri Khan weather in January.
In comparing the weather between May and February, May tends to be considerably warmer and more humid. With average temperatures reaching 28°C (82°F) and maximums hitting 33°C (92°F), the heat is accompanied by a significant amount of precipitation, totaling 170 mm (6.7 in) over 24 days. In contrast, February offers milder conditions with an average temperature of 26°C (79°F) and a maximum of 32°C (89°F). Precipitation in February is also much less, at just 35 mm (1.4 in) across 5 days, and the humidity is notably lower at 66%. For a detailed overview, check out Prachuap Khiri Khan weather in February.
In comparing the weather of May and March, May tends to be warmer and more humid. The average temperature in May is 28°C (82°F), with maximums reaching up to 33°C (92°F), while March has slightly cooler temperatures, averaging 27°C (81°F) and peaking at 32°C (90°F). Additionally, May experiences significantly higher precipitation, with 170 mm (6.7 in) over 24 days, compared to March's 54 mm (2.1 in) over just 9 days. This results in May having a higher humidity level of 77%, compared to March’s more comfortable 68%. For more detailed information on March weather, you can check Prachuap Khiri Khan weather in March.
In comparing the weather of May and April, we can observe some notable differences. May tends to be slightly warmer with an average temperature of 28°C (82°F), compared to April's average of 27°C (82°F), even though both months see a maximum temperature of 33°C (91°F). However, May experiences more rainfall, with a total precipitation of 170 mm (6.7 in) over 24 days, whereas April has 144 mm (5.7 in) spread across 20 days, resulting in a slightly drier month. Furthermore, humidity is higher in May at 77% compared to April's 71%. For more insights on April's weather, check out Prachuap Khiri Khan weather in April.
May and June both feature warm temperatures, with minimums consistently around 24°C (76°F). However, May tends to be slightly warmer overall, boasting an average temperature of 28°C (82°F) and maximums reaching 33°C (92°F). In contrast, June's average temperature drops slightly to 27°C (81°F), with a maximum of 32°C (90°F). Additionally, May experiences higher precipitation levels at 170 mm (6.7 in) over 24 days, compared to June's 134 mm (5.3 in), also over the same number of days. Notably, June has a higher humidity rate at 85%, versus May's 77%. For more detailed information, you can visit Prachuap Khiri Khan weather in June.
In comparing the weather conditions of May and July, both months exhibit warm temperatures, with May generally being slightly warmer. May has a minimum temperature of 24°C (76°F) and an average of 28°C (82°F), peaking at 33°C (92°F), while July sees a similar minimum of 24°C (76°F) but a slightly lower average of 27°C (80°F) and a maximum of 32°C (90°F). Precipitation levels also differ, with May receiving more rainfall at 170 mm (6.7 in) over 24 days, compared to July's 152 mm (6.0 in) across 26 days. Notably, July experiences higher humidity at 87%, while May's humidity averages around 77%. For more detailed information on July weather, you can refer to Prachuap Khiri Khan weather in July.
May and August both showcase warm temperatures, but August experiences slightly lower average temperatures. In May, the temperatures range from a minimum of 24°C (76°F) to a maximum of 33°C (92°F), with an average of 28°C (82°F). In comparison, August has a similar minimum of 24°C (76°F) but averages slightly lower at 27°C (80°F), peaking at 32°C (90°F). Precipitation is high in both months, with May receiving 170 mm (6.7 in) over 24 days and August seeing 156 mm (6.2 in) across 27 days. Notably, August is also more humid, boasting a humidity level of 88% compared to 77% in May. For more detailed insights, check out Prachuap Khiri Khan weather in August.
In comparing the weather between May and September, we observe that both months feature warm temperatures, with May having slightly higher averages, peaking at 33°C (92°F), compared to September's maximum of 32°C (89°F). The minimum temperatures remain consistent, both around 24°C (75-76°F). However, September experiences more precipitation, totaling 201 mm (7.9 in) over 25 days, compared to May's 170 mm (6.7 in) over 24 days. Additionally, humidity levels are higher in September at 86%, while May averages 77%, which contributes to a more humid feel during the later month. For more specific details on weather conditions in September, you can visit Prachuap Khiri Khan weather in September.
In comparing the weather of May and October, we observe several notable differences. May typically experiences slightly higher temperatures, with minimums around 24°C (76°F) and maximums reaching up to 33°C (92°F), while October sees a range of 23°C (74°F) to 32°C (89°F). However, October is characterized by significantly higher precipitation, averaging 231 mm (9.1 in) over 27 days compared to May’s 170 mm (6.7 in) over 24 days. Additionally, humidity levels are higher in October at 84%, compared to 77% in May, contributing to a more humid atmosphere. For more detailed insights, check out Prachuap Khiri Khan weather in October.
In comparing the weather of May and November, May experiences warmer temperatures with a minimum of 24°C (76°F) and an average of 28°C (82°F), peaking at 33°C (92°F). This month also witnesses a higher amount of rainfall, averaging 170 mm (6.7 in) over 24 days, and maintains a high humidity level of 77%. In contrast, November offers slightly cooler conditions, with temperatures ranging from a minimum of 22°C (72°F) to an average of 26°C (80°F), and a maximum of 31°C (88°F). Precipitation is less frequent, totaling 148 mm (5.8 in) over just 14 days, and humidity increases to 83%. For a detailed look at November weather specifics, you can explore Prachuap Khiri Khan weather in November.
In May, the weather is characterized by much warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum reaching 33°C (92°F). This month also sees substantial rainfall, with approximately 170 mm (6.7 in) of precipitation spread over 24 days, contributing to high humidity levels of 77%. In contrast, December offers a milder climate, with a minimum of 19°C (67°F), an average of 26°C (78°F), and a maximum of 31°C (88°F). Precipitation is significantly lower at 40 mm (1.6 in) over just 6 days, while humidity remains steady at 77%. For more detailed weather information, check out Prachuap Khiri Khan weather in December.
As May rolls in, Prachuap Khiri Khan experiences a notable shift in its weather patterns. This month typically brings warmer temperatures and increased humidity, creating a tropical feel that sets it apart from the cooler months of the year. With an average temperature of around 28°C and frequent rain, totaling 170 mm over approximately 24 days, May establishes itself as a transitional period. The consistent rainfall contributes to the lush greenery of the region, making it an interesting time for those who appreciate the vibrancy of nature. For more insights on the climate of this beautiful destination, check out Prachuap Khiri Khan Climate.