Last updated: January 18, 2025
Nakhon Si Thammarat, Thailand, exhibits a distinct Koppen-Geiger climate classification of Am, characterized by a tropical monsoon climate. The region experiences a minimum temperature of 18°C (64°F) in February, progressively rising to an average of 27°C (81°F) throughout the year. Notably, peak temperatures can soar to a sweltering 40°C (104°F) in April, highlighting the significant seasonal temperature variations. This climatic context is crucial for understanding the ecological and agricultural dynamics of the area.
Nakhon Si Thammarat experiences distinct seasonal temperature patterns throughout the year, reflecting its tropical climate. The year begins with mild conditions in January and February, where temperatures range from a minimum of 18°C (64°F) to a maximum of 37°C (100°F), gradually warming as March approaches, marked by a peak of 39°C (103°F). April records the highest temperature, reaching 40°C (104°F), followed by consistent warmth into May, with temperatures stabilizing around 28°C (82°F). As the monsoon season kicks in during the summer months, temperatures remain relatively steady at around 27-28°C (81-82°F) for the average, and max values hover near 37°C (99°F). The latter part of the year, from October to December, witnesses a gradual cooling, with min temperatures varying between 19°C (66°F) and 22°C (72°F), while maximums drop to a range of 34-36°C (93-98°F). This diurnal variation highlights the region's climatic transition from the hot season to a milder, yet still humid, environment as the year progresses.
Nakhon Si Thammarat experiences a minimum temperature of 21°C (70°F) in March, with a maximum reaching 34°C (93°F) in April, while Phra Phrom sees slightly cooler nights with a minimum of 19°C (66°F) in February, but can soar to a high of 38°C (100°F) in April. For more details on the climate, visit monthly temperatures in Nakhon Si Thammarat and monthly temperatures in Phra Phrom.
Nakhon Si Thammarat experiences considerable seasonal variation in precipitation, primarily influenced by the monsoon patterns that dominate the region. January marks the onset of the wet season with significant rainfall, averaging 143 mm (5.6 in) over 15 days. The precipitation diminishes in February to 38 mm (1.5 in), before gradually increasing again in March to 50 mm (2.0 in). However, the most substantial rainfall occurs from April to November, with April and May reporting 169 mm (6.6 in) and 208 mm (8.2 in) respectively, signaling the intensifying monsoon.
The months of October and November are particularly noteworthy, recording the peak precipitation levels, with 272 mm (10.7 in) and 316 mm (12.5 in) over 28 and 26 days, respectively. This trend underscores the heavy rainfall typical of the region's tropical monsoon climate, leading to lush vegetation and fertile agricultural conditions. December experiences a slight reduction in rainfall to 227 mm (8.9 in), while overall, the wet season significantly influences both the daily weather patterns and the ecological dynamics of Nakhon Si Thammarat.
Nakhon Si Thammarat experiences a notable variation in sunshine duration throughout the year, with a clear upward trend from the cooler months to the peak summer period. Starting in January, the region receives 244 hours of sunshine, which gradually increases as the year progresses. February showcases an impressive rise to 306 hours, while March takes the lead with 343 hours, marking it as the sunniest month of the year. The warm month of April maintains high levels, with 309 hours, followed closely by May at 315 hours, highlighting the region's capacity for abundant sunlight in the lead-up to the monsoon season.
As the monsoon begins to take hold in June, the sunshine hours slightly dip to 300 hours, yet the variation remains minimal until the end of the rainy season in November. The summer months, particularly July and August, remain relatively sunny, with 320 hours and 310 hours respectively. However, post-monsoon months such as October through November witness a gradual decline in sunshine hours, with October receiving 281 hours and November dropping to 264 hours. Overall, the trend clearly indicates that Nakhon Si Thammarat enjoys its highest sunshine during the early months of the year and key summertime periods, with notable decreases occurring as the monsoon season approaches.
In Nakhon Si Thammarat, the UV Index consistently remains at extreme levels throughout the year, posing significant risks for sun exposure. From January through March, the UV Index peaks at 16 in March, indicating a critical need for sun protection, particularly as burn times are as short as 10 minutes across all months. This extreme exposure necessitates precautions, such as wearing protective clothing and using sunscreen, especially in these early months when daylight hours are abundant. The UV Index slightly decreases in April to 15 before stabilizing around 14 during May, highlighting the need for consistent sun safety measures as the region transitions towards the monsoon season.
As the summer progresses into June and July, the UV Index holds steady at 13, indicating that even with potentially cloudier days during the monsoon, the risk of UV damage remains high. This trend continues through August and September at 14, ensuring that sun safety remains paramount throughout the region even as rain begins to dominate the weather patterns. By November, the UV Index drops to 12 and further decreases to 11 in December, although it still falls within the extreme category. The consistent exposure levels throughout the year highlight the importance of ongoing awareness and protective measures against UV radiation in Nakhon Si Thammarat.
UV Risk Categories
In Nakhon Si Thammarat, daylight duration exhibits moderate seasonal variability, predominantly fluctuating between 11 and 12 hours throughout the year. The year begins with 11 hours of daylight in both January and February, providing a gentle transition into the brighter spring months. March marks the shift to longer days, lasting 12 hours as the region welcomes the warmth of the approaching summer and maintains this duration consistently from April through August. This stability in daylight hours fosters favorable conditions for both agriculture and outdoor activities during the sunniest period of the year.
As the monsoon season approaches, daylight duration continues at 12 hours from September through October before reverting to 11 hours in November and December. This gradual decline corresponds to the increase in cloud cover and precipitation characteristic of the monsoon months, illustrating the interplay between daylight and seasonal weather patterns. Overall, the consistent daylight hours in Nakhon Si Thammarat ensure a reliable rhythm to the daily life of its residents, supporting both natural ecosystems and human activity across the year.
Nakhon Si Thammarat, Thailand, experiences a tropical climate characterized by warm temperatures throughout the year, with averages ranging from 26°C (79°F) in January to 28°C (83°F) from March to October. The hottest months are April and May, with maximum temperatures reaching up to 34°C (93°F). Rainfall peaks in November with 394 mm (15.5 in), while the driest months are February and March, receiving only around 62 mm (2.4 in) and 66 mm (2.6 in) respectively. The region enjoys substantial sunshine, particularly in February and March, accumulating over 300 hours monthly. For more details, visit Nakhon Si Thammarat climate.
Phra Phrom, Thailand, experiences a tropical climate with warm temperatures year-round, ranging from a minimum of 19°C (66°F) in February to a maximum of 38°C (100°F) in April. The wet season peaks between May and November, with November receiving the highest precipitation at 351 mm (13.8 in). Sunshine is abundant, particularly in March with 344 hours, although it slightly decreases during the rainy months. Overall, visitors can expect high humidity and substantial rainfall, especially from May to October. For more details, check the Phra Phrom climate.
In conclusion, Nakhon Si Thammarat's climate is characterized by a tropical monsoon environment that significantly influences its temperature, precipitation, sunshine duration, UV Index, and daylight hours. The region experiences seasonal variations, with hot temperatures peaking in April and abundant rainfall concentrated from May to October. The consistent extreme UV Index underscores the necessity for sun safety measures throughout the year, especially during the sunniest months. Coupled with a stable daylight duration of 11 to 12 hours, Nakhon Si Thammarat offers a unique ecological and cultural landscape shaped by its climatic patterns. Understanding these factors is essential for residents and visitors alike, ensuring adaptive practices that embrace and respect the natural environment.