Last updated: January 18, 2025
Tanintharyi, Myanmar, is characterized by a tropical monsoon climate, classified as Koppen-Geiger class Am. The region experiences a minimum temperature of 16°C (61°F) in January, rising to an average of 27°C (81°F) throughout the year. During the peak heat of April, temperatures can soar to a sweltering maximum of 39°C (102°F). This climatic framework not only influences local weather patterns but also shapes the ecological landscape and agricultural practices in this vibrant region.
The temperature patterns in Tanintharyi, Myanmar, reveal distinct seasonal trends throughout the year. January ushers in cooler weather, with minimum temperatures dropping to 16°C (61°F) and a maximum of 36°C (96°F), marking the coolest month. As February and March progress, temperatures gradually increase, reaching maximums of 37°C (98°F) by March. April signifies a peak in the heat, showcasing maximum temperatures of 39°C (102°F), while minimums climb to 21°C (70°F). The transition to May brings a slight cooling, with temperatures remaining in the mid-30s, though minimums rise to 24°C (75°F). From June to September, the monsoon influences the climate, causing a gradual decrease in maximum temperatures to the low 30s, with consistent averages around 27°C (81°F). As October returns to drier conditions, temperatures stabilize, leading to a gradual cooling trend in November and December, when minimums dip back to 16°C (62°F). Overall, Tanintharyi experiences a warm tropical climate with clear seasonal fluctuations, marked by a hot pre-monsoon period and a moderated monsoon season.
Myeik experiences a temperature range of 18°C (64°F) in December to 39°C (102°F) in April, while Kawthoung's temperatures range from 23°C (73°F) in December to a maximum of 33°C (91°F) in April. Dawei sees a cooler minimum of 16°C (61°F) in January and peaks at 36°C (97°F) in March. For further details, you can check the monthly temperatures in Myeik and Kawthoung as well as Dawei.
Precipitation in Tanintharyi, Myanmar, exhibits distinct seasonal patterns, reflecting the region's tropical monsoon climate. The year starts with January recording 57 mm (2.3 in) of rain, which decreases to a mere 21 mm (0.8 in) in February. March sees a modest increase at 46 mm (1.8 in), creating a stark contrast to the significant rainfall that arrives in April, which experiences a substantial jump to 154 mm (6.1 in). The onset of the monsoon in May triggers a dramatic increase in precipitation, with totals reaching 331 mm (13.0 in) and continuing to rise through the mid-year.
The peak of the rainy season occurs in July and August, where Tanintharyi receives an impressive 566 mm (22.3 in) and 649 mm (25.6 in) of rainfall, respectively. This deluge is accompanied by numerous rainy days—29 days in both July and August—marking these months as the wettest of the year. As the season transitions into September and October, precipitation remains abundant, totaling 545 mm (21.4 in) and 356 mm (14.0 in). The rainfall gradually tapers off through November and December, with 114 mm (4.5 in) and 38 mm (1.5 in), respectively, indicating a pronounced decrease in both total precipitation and rainy days, returning to a drier state by year’s end.
In Tanintharyi, Myanmar, sunshine duration exhibits a clear seasonal pattern, with significant variation throughout the year. Starting in January with 255 hours of sunshine, the region experiences a steady increase in daylight hours as it transitions into spring. February sees a notable rise to 305 hours, followed by March, which boasts a peak of 340 hours—making it one of the sunniest months. This upward trend continues into April, although with a slight dip to 322 hours, reflecting the approaching monsoon season, yet still offering ample sunshine for outdoor activities.
As the monsoon begins in May, sunshine hours decrease to 301 hours, and further decline in the following months, with July and August experiencing the lowest figures at 249 hours and 239 hours, respectively. This reduction corresponds with the intensifying rainfall typical during the monsoon period, limiting sunshine exposure. However, as the rainy season wanes in September and October, sunshine hours begin to recover, reaching 277 hours in October before bouncing back to 300 hours in November. The year concludes with a revival in sunlight as December provides 320 hours, illustrating the cyclical nature of sunshine in this tropical region and emphasizing the contrast between the sunny pre-monsoon months and the cloudier monsoon season.
In Tanintharyi, Myanmar, the ultraviolet (UV) index remains consistently high throughout the year, indicative of the region's equatorial location. The UV index peaks from February to May, reaching an intense 15, categorized as extreme, which signifies a notably short burn time of just 10 minutes for unprotected skin. This high UV exposure underscores the importance of sun protection during these months, especially for outdoor activities. The index slightly tapers in January, with a UV index of 12, yet still falls within the extreme exposure category.
As the monsoon season approaches, the UV index sees a marginal decline, stabilizing at 14 from June to October, maintaining the extreme exposure classification but offering slightly less risk of sunburn. The index then drops to 12 in November and further decreases to 11 in December, still classified as extreme but indicative of reduced sun intensity as the year concludes. Overall, the consistently high UV indices highlight the necessity for protective measures year-round in Tanintharyi, ensuring residents and visitors alike are aware of the risks associated with prolonged sun exposure.
UV Risk Categories
Daylight duration in Tanintharyi, Myanmar, exhibits a relatively consistent pattern throughout the year, reflecting the region's equatorial position. In the first two months, January and February, daylight lasts for 11 hours, providing a brief yet adequate exposure to sunlight. As the year progresses into March, daylight increases to 12 hours, a trend that continues through April, May, June, July, August, and September, where the daylight duration stabilizes at this level. This consistency in daylight duration allows for ample time for outdoor activities and agricultural practices during the sunnier months.
As the year transitions into the latter part, October marks a slight decline back to 11 hours of daylight, reminiscent of the early months. This reduction continues through November and December, where the daylight duration remains at 11 hours. Overall, the relatively stable sunlight hours throughout the year indicate limited seasonal variation in daylight, fostering a climate conducive to nurturing diverse ecosystems and supporting local livelihoods in Tanintharyi.
Dawei, Myanmar experiences a tropical climate characterized by distinct wet and dry seasons. The temperatures range from a minimum of 16°C (61°F) in January to a maximum of 36°C (97°F) in March and April, with an average temperature of around 28°C (82°F) during the hotter months. Rainfall peaks in the monsoon months of June, July, and August, accumulating over 600 mm (23.6 in) monthly, while precipitation is minimal in January and February. Despite the heavy rains, Dawei enjoys substantial sunshine, particularly in February with 302 hours, ensuring warm and bright conditions year-round. For more detailed information, visit Dawei climate.
Kawthoung, Myanmar experiences a tropical climate characterized by warm temperatures and distinct wet and dry seasons. Average temperatures range from a minimum of 23°C (73°F) in January to a maximum of 33°C (91°F) in April. The region sees significant rainfall, peaking from May to September, with August recording the highest average precipitation of 405 mm (15.9 in). Sunshine hours vary throughout the year, with March providing the most at 345 hours. For more detailed information, visit Kawthoung climate.
Myeik, Myanmar experiences a tropical climate characterized by high temperatures and significant rainfall, especially from May to August. January is the coolest month, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 36°C (96°F), while April can reach up to 39°C (102°F). The wettest months are July and August, with precipitation levels peaking at 705 mm (27.8 in) and 655 mm (25.8 in) respectively. Despite the rain, Myeik enjoys considerable sunshine, with March boasting the highest at 339 hours. For more detailed information, visit Myeik climate.
In conclusion, Tanintharyi, Myanmar, presents a dynamic climate characterized by distinct temperature, precipitation, sunshine, UV index, and daylight patterns throughout the year. With temperatures ranging from a cool 16°C (61°F) in January to scorching highs of 39°C (102°F) in April, the region experiences a pronounced seasonal shift that complements its tropical monsoon climate. Precipitation levels surge during the monsoon months, particularly from May to August, coinciding with reduced sunshine hours and extreme UV index values, necessitating vigilant sun protection. Despite these variations, Tanintharyi enjoys a relatively consistent daylight duration of around 11 to 12 hours throughout the year, supporting its diverse ecosystems and agricultural practices. Understanding these climatic elements is essential for residents and visitors alike, as they navigate and adapt to the unique environmental conditions of this vibrant region.