Last updated: January 18, 2025
Phetchaburi, Thailand, exhibits a distinct Aw climate classification according to the Köppen-Geiger system, characterized by a tropical savanna climate. Throughout the year, temperatures showcase a dynamic range, with a minimum of 15°C (60°F) in December, providing a cooler respite during the winter months. The average temperature hovers around 28°C (83°F), fostering a warm environment ideal for various activities. However, the region can also experience peak temperatures soaring to 39°C (103°F) in May, highlighting the intense heat typical of the pre-monsoon period. Such climatic conditions significantly influence local ecosystems and agricultural practices.
Phetchaburi, Thailand, experiences distinct seasonal temperature patterns throughout the year, with a noticeable variation between the cooler and warmer months. January and December bring the year's lowest temperatures, with minimums around 15-18°C (60-65°F) and average highs reaching 34°C (94°F), creating a mild winter atmosphere. As the dry season progresses into March and April, temperatures rise steadily, with April peaking in maximum heat at 38-39°C (102-103°F). May marks the transition towards the rainy season, maintaining high averages while introducing slightly warmer nighttime temperatures. The summer months of June through August see average temperatures stabilize around 28-30°C (82-86°F), with maximums generally remaining in the upper 30s°C (90s°F). As the region approaches the end of the year, temperatures gradually cool down again in October and November, providing a respite from the intense summer heat, ultimately leading back into the cooler months of January and December.
In January, Kaeng Krachan experiences a minimum temperature of 16°C (61°F), while Phetchaburi and Cha-am both have a minimum of 19°C (66°F and 67°F, respectively). By May, the maximum temperatures rise significantly, with Kaeng Krachan reaching 39°C (103°F), compared to Phetchaburi's 36°C (96°F) and Cha-am's 35°C (96°F). For more detailed temperature data, you can visit the links for monthly temperatures in Kaeng Krachan, monthly temperatures in Phetchaburi, and monthly temperatures in Cha-am.
Phetchaburi, Thailand, experiences a distinct precipitation pattern that reflects its tropical savanna climate. The year begins with relatively low rainfall in January and February, accumulating 31 mm (1.2 in) and 14 mm (0.6 in), respectively, with just a couple of rainy days each month. As March approaches, rainfall slightly increases to 36 mm (1.4 in), but it is not until April that significant precipitation begins, totaling 92 mm (3.6 in) over about 12 days. This trend continues into the following months, as May marks the start of the monsoon season, bringing 126 mm (4.9 in) of rain and about 18 rainy days.
The peak of the rainy season occurs between August and October, where rainfall significantly escalates, reaching a staggering 228 mm (9.0 in) in October alone. September follows closely with 186 mm (7.3 in), accompanied by an average of 23 rainy days. This wet period ensures the region's lush greenery but also highlights the intensity of monsoonal rains. As the year transitions towards its final months, November sees a drop in both precipitation and rainy days to 89 mm (3.5 in) and 11 days, respectively, while December rounds off the year with a minimal 22 mm (0.9 in) of rainfall, hinting at the onset of the drier season.
In Phetchaburi, Thailand, sunshine duration showcases a notable seasonal trend, with an upward trajectory from winter through early summer. The year begins with 251 hours of sunshine in January, gradually increasing to 300 hours in February. This rise continues into March, where sun-soaked days peak at 337 hours, marking it as the sunniest month of the year. However, as the temperature intensifies, April and May maintain a robust level of sunlight with 322 and 321 hours respectively, providing ample opportunities for outdoor activities and agricultural growth during the pre-monsoon period.
As the rains arrive in June, the duration of sunshine slightly decreases to 304 hours, followed by a further decline through the peak rainy months of July, August, and September, where hours dwindle to 283, 276, and 267 hours. Despite the reduction in sunshine, October experiences a rebound to 286 hours, as the rains begin to subside, setting the stage for a sunnier November with 296 hours. The year concludes with 316 hours in December, showcasing a return to bright, sunny days. This seasonal fluctuation not only illuminates Phetchaburi's climate but also influences local farming practices and tourism, aligning activities with the region's sunshine patterns.
Phetchaburi, Thailand, experiences consistently high UV Index readings throughout the year, indicating a significant risk of harm from unprotected sun exposure. Starting in January with a UV Index of 11 categorized as extreme, residents and visitors are encouraged to take precautions with a burn time of just 10 minutes. This trend continues into February, where the index rises to 13, peaking in March and maintaining a high level at 14 through April and May. These months underscore the importance of sun safety, given the intense solar radiation and minimal tolerance for prolonged exposure.
As the rainy season approaches, June sees a slight decrease to a UV Index of 13, yet the extreme classification remains intact. This pattern persists through July, August, and September, where the UV Index stabilizes at 14, signaling ongoing caution for sun exposure. In October, the index drops to 13, before declining further in November and December to 10 and 9, respectively, placing these months in the very high exposure category. The extended periods of extreme UV exposure during the dry season highlight the need for protective measures, such as sunscreen, clothing, and shade, especially during peak hours.
UV Risk Categories
In Phetchaburi, Thailand, daylight duration exhibits a relatively stable pattern throughout the year, with slight variations between the seasons. January and February bring approximately 11 hours of daylight each day, providing consistent exposure to sunlight during the cooler months. As March arrives, daylight extends to 12 hours, continuing through April, May, and into the summer months of June through September, where the duration remains steady at 12 hours. This consistent daylight promotes a vibrant environment, beneficial for both agriculture and outdoor activities.
As the year transitions into October, daylight begins to decrease once again, returning to 11 hours by November and December. This reduction signifies the approach of the cooler season, mirroring the patterns observed in other climatic elements of the region. Despite this decline, the changes in daylight duration are mild compared to latitudinal extremes, allowing Phetchaburi residents and visitors to enjoy relatively long days year-round, contributing to the region's lively atmosphere and flourishing natural landscapes.
Cha-am, Thailand, experiences a tropical climate characterized by warm temperatures throughout the year. January sees mild conditions with temperatures ranging from 19°C to 32°C, while April and May are the hottest months, peaking at 35°C. Rainfall increases significantly from May onwards, with September being the wettest month at 155 mm. Despite the precipitation, the region enjoys ample sunshine, especially in February with 303 hours. For more detailed information, visit Cha-am climate.
Kaeng Krachan, Thailand, enjoys a tropical climate characterized by warm temperatures throughout the year. The average monthly temperature ranges from 26°C (79°F) in January to 29°C (84°F) in the wet months from May to September, with peak temperatures reaching up to 39°C (103°F) in May. Rainfall is prominent, especially from May to October, with September and October recording the highest precipitation at 211 mm (8.3 in) and 218 mm (8.6 in) respectively. Sunshine hours vary, peaking at 334 hours in March, ensuring ample sunlight before the rainy season. For more details, visit Kaeng Krachan climate.
Phetchaburi, Thailand experiences a tropical climate characterized by warm temperatures and distinct wet and dry seasons. From January to March, the average temperatures range from 27°C to 29°C (80°F to 84°F), with December and January being the coolest months. The rainy season peaks from May to October, with September recording the highest precipitation at 164 mm (6.5 in), while sunshine hours vary, with March enjoying the most at 338 hours. Overall, Phetchaburi has a vibrant climate with ample sunshine, but it is advisable to prepare for significant rainfall during the monsoon months. For more detailed information, visit Phetchaburi climate.
In conclusion, Phetchaburi, Thailand, presents a dynamic and engaging climate characterized by distinct seasonal patterns in temperature, precipitation, sunshine duration, UV Index, and daylight. The region experiences warm temperatures throughout the year, with significant heat peaking during the pre-monsoon months and a marked reduction in rainfall during the dry season. The consistent high UV Index underscores the necessity for sun protection, particularly during the intense sunlight hours prevalent in the dry season. Moreover, the stable daylight duration enhances the vibrancy and liveliness of the area, fostering both agricultural productivity and outdoor activities. Together, these climatic features shape the unique lifestyle and ecological systems of Phetchaburi, making it an intriguing locale for both residents and visitors alike.