Last updated: January 18, 2025
Mon, Myanmar, is characterized by a tropical rainforest climate under the Köppen-Geiger classification of Am. This region experiences a remarkable temperature range, with a minimum of 14°C (57°F) in December, peaking at an average of 28°C (82°F), and soaring to a maximum of 40°C (105°F) in March. The consistent warmth and significant temperature fluctuations throughout the year contribute to the area's rich biodiversity and vibrant ecosystems, making Mon a fascinating subject for climate studies.
The temperature patterns in Mon, Myanmar, reveal distinct seasonal trends characterized by gradually increasing warmth from December through April, culminating in peak temperatures of 40°C (105°F) during March and April. The transitional months of May and June witness a slight decrease in maximum temperatures, although the region remains warm, with averages around 29-30°C (84-86°F). As the rainy season approaches, temperatures stabilize, and the summer heat moderates, leading to consistent averages of 27-28°C (81-82°F) from July to September. The cooler months begin in November, where temperatures start to drop, culminating in a chilly December with minimums reaching down to 14°C (57°F). This yearly cycle not only influences the local climate but also underpins the region's vibrant ecology.
Kyaikto experiences a minimum temperature of 16°C (61°F) in January and a maximum of 38°C (101°F) in May, while Mawlamyine registers a cooler minimum of 15°C (59°F) in December, peaking at 40°C (105°F) in March. Meanwhile, Martaban has a minimum temperature of 17°C (63°F) in December and reaches a maximum of 36°C (97°F) in March. For more detailed information, visit monthly temperatures in Kyaikto, monthly temperatures in Mawlamyine, and monthly temperatures in Martaban.
Mon, Myanmar experiences a pronounced seasonal variation in precipitation, with a stark contrast between the dry and wet months. The year begins with minimal rainfall in January and February, receiving just 8 mm (0.3 in) and a mere 1 mm (0.0 in) respectively. March sees a slight increase to 5 mm (0.2 in), but it is not until April that significant precipitation begins, amounting to 62 mm (2.4 in) over approximately 10 rainy days. The onset of the monsoon in May marks a dramatic shift, with rainfall skyrocketing to 295 mm (11.6 in), continuing this upward trend through the summer months.
The peak of the rainy season occurs from June to August, where Mon receives the bulk of its annual precipitation, with June, July, and August recording 680 mm (26.8 in), 776 mm (30.6 in), and 823 mm (32.4 in) respectively. September sees a notable reduction in rainfall to 488 mm (19.2 in), while October brings an additional 240 mm (9.4 in) before the rainy season tapers off. By November and December, rainfall declines sharply to 23 mm (0.9 in) and 4 mm (0.2 in), respectively, with a decrease in rainy days, indicating the transition back to drier conditions. This climate pattern plays a crucial role in shaping the lush landscapes and diverse ecosystems that characterize the region.
In Mon, Myanmar, sunshine duration exhibits a clear seasonal trend that reflects the transition from the cooler, drier months to the heat of the wet season. Beginning in January with 258 hours of sunshine, the month-to-month figures steadily rise, reaching a peak in March at 339 hours. This increasing trend highlights the region's gradual shift towards warmer conditions, while April maintains a significant duration of 329 hours of sunshine. However, as the monsoon season approaches in May, the hours of sunshine dip slightly to 302, marking the beginning of a seasonal transition to cloudier weather.
The contrast in sunshine duration becomes even more notable during the rainy months, where July and August see a sharp decline to just 171 and 149 hours, respectively. This reduction is a consequence of increased cloud cover and rainfall typical of the monsoon. As the rainy season wanes in September, Mon enjoys a resurgence of sunshine with 236 hours, while October and November experience a return to brighter days, recording 293 and 309 hours of sunshine, respectively. By December, the region basks in 319 hours, illustrating a consistent cycle of daylight that profoundly influences both the climate and the ecosystem in Mon.
The UV Index in Mon, Myanmar, showcases a significantly high risk of UV exposure throughout most of the year, with values reaching their peak during the hottest months. Starting in January with a UV Index of 10, categorized as "very high," residents and visitors must be cautious, as it only takes about 15 minutes of sun exposure to incur skin burns. The index escalates in February, peaking at 12, marking the onset of extreme UV levels. By March, the UV Index reaches its zenith at 14, making sun protection essential within just 10 minutes of exposure, a trend that continues through April and May when the index peaks at 15.
As the monsoon season begins in June, the UV Index remains notably high at 13, indicative of extreme exposure, and sustains this level through July and August. Despite the immense cloud cover and rainfall, the risk does not wane considerably. The index declines slightly in October to 12 but continues to suggest extreme exposure levels. Heading into November and December, the UV Index decreases to 9, still falling under the "very high" category, allowing for somewhat longer safe exposure times of 15 minutes. These patterns underscore the critical importance of UV protection year-round in Mon to combat skin damage and associated health risks.
UV Risk Categories
In Mon, Myanmar, daylight duration displays a consistent pattern throughout the year, closely tied to the region's tropical climate. January and February each boast 11 hours of daylight, establishing a solid foundation for the year as the days gradually lengthen. By March, daylight increases to 12 hours, a trend that continues through April and May, offering residents longer periods of natural light that accompany the warming temperatures of the dry season. This stability in daylight during the early months fosters a predictable rhythm in both daily life and ecological cycles.
As the monsoon season approaches in June, daylight further extends to 13 hours, reaching its peak, providing ample light for thriving ecosystems. However, this slight increase in daylight is followed by a gradual return to 12 hours per day from July to September, maintaining a moderate light duration despite increased cloudiness. As the year transitions into October, November, and December, daylight duration contracts back to 11 hours, echoing the initial months of the year. This cyclical pattern of daylight duration significantly influences local agriculture, wildlife behavior, and the overall climate experience for the inhabitants of Mon.
Kyaikto, Myanmar, experiences a tropical climate characterized by warm temperatures and a distinct monsoon season. Average monthly temperatures range from a minimum of 16°C (61°F) in January to a peak of 38°C (100°F) in April. Precipitation is highest from June to August, with July receiving around 706 mm (27.8 in) of rain, while drier months like February see virtually no rainfall. Sunshine hours vary throughout the year, with March enjoying the most at 340 hours. For more detailed information, visit Kyaikto climate.
Martaban, Myanmar experiences a tropical climate characterized by warm temperatures and significant rainfall, particularly from May to August. Average monthly temperatures range from a minimum of 17°C (63°F) in December to a maximum of 36°C (97°F) in March and April. The monsoon season leads to heavy precipitation, especially in June (721 mm) and July (803 mm), while the driest months are February and January with only 2 mm and 8 mm of rain, respectively. Sunshine hours are highest from February to March, reaching up to 338 hours, but drop significantly during the rainy season. For more details, visit Martaban climate.
Mawlamyine, Myanmar, experiences a tropical climate characterized by high temperatures and distinct wet and dry seasons. From January to March, temperatures range from a mild 16°C (61°F) to a scorching 40°C (105°F), with minimal rainfall. The rainy season peaks from May to July, where precipitation can reach over 700 mm (28 inches), accompanied by temperatures averaging around 27-30°C (81-86°F). Despite the heavy rains, climate conditions improve in the later months, leading to drier and sunnier conditions from October to December. For a comprehensive overview, visit Mawlamyine climate.
In summary, Mon, Myanmar, exemplifies a distinctive climate characterized by its seasonal fluctuations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. The region experiences warm temperatures throughout most of the year, with a marked increase during the summer months coinciding with the heavy rainfall of the monsoon season. The varying levels of sunshine and the extreme UV Index emphasize the importance of sun protection measures for residents and visitors alike. Additionally, the stable daylight duration throughout the year provides a rhythmic backdrop for both ecological systems and human activity. Understanding these climatic patterns is crucial for local agriculture, public health, and environmental conservation efforts, highlighting the intricate balance that defines Mon’s unique climate landscape.