Last updated: January 18, 2025
Long An, Vietnam is characterized by its Aw climate classification, which signifies a tropical savanna regime. The region experiences a minimum temperature of 19°C (67°F) during the cooler month of January, while the average year-round temperature hovers around 28°C (83°F). The peak of the heat is felt in April, with maximum temperatures soaring to an impressive 39°C (103°F). This temperature profile reflects the region's distinct seasonal patterns, influencing both agriculture and daily life in this vibrant part of southern Vietnam.
Temperature patterns in Long An, Vietnam, exhibit a clear seasonal trend with distinct variability throughout the year. Starting in January, the region experiences cooler temperatures, with minimums around 19-20°C (67-68°F), gradually increasing towards the warmer months. By April and May, temperatures peak, with maximums reaching up to 39°C (103°F), indicating the height of the dry season. As summer progresses into June through September, conditions remain warm but slightly cooler, with average temperatures stabilizing around 28-29°C (82-85°F). The latter months of the year, particularly October and November, see a gentle decline in temperatures, with minimum values ranging from 21-24°C (70-75°F) while maintaining averages close to 28°C (82°F). This overall climatic progression reflects the tropical savanna characteristics of the region, creating a warm and humid environment year-round with notable peaks during the dry season.
In Thanh Hoa, temperatures range from a minimum of 19°C (67°F) in January to a maximum of 38°C (101°F) in May, illustrating the region's significant seasonal variation. For a detailed overview of monthly temperatures, visit monthly temperatures in Thanh Hoa.
Precipitation in Long An, Vietnam demonstrates a pronounced seasonal pattern, characterized by a distinct dry season in the early months and a pronounced wet season from April to October. January and February are relatively dry, receiving only 41 mm (1.6 in) and 15 mm (0.6 in) of rainfall, respectively, with a limited number of rainy days. This period marks a gradual transition into the wet season, which begins to intensify in April with 85 mm (3.4 in) of rain. May signals a significant surge in precipitation, reaching 189 mm (7.4 in), as the rainy days increase substantially.
The peak of rainfall occurs during the late summer months, with July and August encountering the heaviest downpours, recording 255 mm (10.0 in) and 282 mm (11.1 in), respectively. September and October continue this trend, with 278 mm (10.9 in) and 287 mm (11.3 in), marking the wettest months of the year. November sees a notable decrease in rainfall, totaling 172 mm (6.8 in), while December experiences further drying with 72 mm (2.8 in). This seasonal variation not only influences the local ecology but also significantly impacts agricultural practices in the region.
In Long An, Vietnam, sunshine duration exhibits a clear seasonal trend, beginning with fewer hours in the winter months and steadily increasing into spring. January kicks off the year with 254 hours of sunlight, followed by a gradual rise in February to 296 hours as the region transitions towards warmer weather. March stands out with the highest sunshine duration of 329 hours, marking it as the sunniest month of the year. This abundance of sunlight in early spring sets the stage for favorable conditions as the region approaches the peak of the dry season.
As the summer months commence, sunshine hours remain robust but slightly decrease, reflecting the impact of increased cloud cover and humidity. April and May see 314 hours and 311 hours of sunshine, respectively, before dipping in June to 276 hours. The trend continues through July and August, with consistent hours around the mid-280s. However, the months of September and October experience a further reduction, dropping to 267 hours and 260 hours, indicating the onset of the rainy season. By November and December, the sunshine duration sees a rebound, returning to 279 hours and 300 hours, respectively. Overall, the climate in Long An showcases a dynamic interplay of sunshine, wherein the months of March and April are notable for their abundant sunlight, while the rainy season inevitably ushers in periods of diminished sunshine.
The UV Index in Long An, Vietnam, reveals significant variations throughout the year, with values often reaching levels classified as very high or extreme. In January, the UV Index starts at 10, indicating a need for sun protection, with a burn time of just 15 minutes. However, as the year progresses, the UV levels escalate sharply, peaking in March at 16, alongside a consistent classification of extreme which limits safe sun exposure to only 10 minutes. April and May continue to reflect this extreme category, with UV Index values of 15 and 14, respectively, emphasizing the increasing need for vigilance against sun exposure during these months.
Throughout the summer and into the fall, the UV Index remains high, maintaining levels around 13 to 14, denoting ongoing extreme risk. This trend continues into the later months, with September and October recording a UV Index of 14 and 13, respectively. As December approaches, the index does see a slight decrease to 11, but still falls within the extreme category, maintaining a burn time of only 10 minutes. Collectively, the data underscores a year-round concern for sun safety in Long An, with the most critical months for UV exposure falling between January and May, necessitating protective measures to prevent sun-related health issues.
UV Risk Categories
In Long An, Vietnam, daylight duration exhibits a relatively stable pattern throughout the year, with minor variations primarily influenced by seasonal changes. January and February offer a consistent 11 hours of daylight, providing a solid foundation for the year. As the months progress into March, daylight begins to extend slightly, reaching 12 hours and remaining at this duration through the summer months, showing resilience against significant variations typically seen in temperate regions. This consistent exposure to daylight supports the agricultural calendar, facilitating plant growth during the peak months.
As the year transitions to the latter months, daylight duration starts to decrease again. October signals a return to 11 hours, maintaining this figure through November and December. This shift indicates a gradual decline as the region approaches the end of the year, mirroring many tropical locations' patterns. Overall, the predictable rhythm of daylight hours in Long An cultivates a sense of stability, ensuring that both daily life and agricultural practices benefit from primarily consistent sunlight throughout the year, with only slight fluctuations marking the seasonal transitions.
Thanh Hoa, Vietnam experiences a tropical climate characterized by hot, humid summers and mild winters. Average temperatures range from 19°C (67°F) in January to a peak of 29°C (84°F) from May to September, with max temperatures reaching 38°C (100°F) in April and May. The region sees significant rainfall, particularly from May to September, with July and August receiving the highest precipitation at 268 mm (10.6 in) and 288 mm (11.3 in), respectively. Sunshine hours are abundant, peaking in March with 329 hours, which contribute to the overall warm climate. For more details, visit Thanh Hoa climate.
In conclusion, Long An, Vietnam, presents a distinct climatic profile characterized by its tropical savanna climate, marked by pronounced seasonal variations in temperature, precipitation, sunshine duration, UV Index, and daylight hours. The region experiences a peak in temperatures and sunshine during the dry season, accompanied by high UV levels, necessitating proactive sun protection measures, especially between January and May. Conversely, the wet season introduces increased rainfall, influencing agricultural practices and ecosystem dynamics. Despite these fluctuations, the relatively stable daylight duration throughout the year reinforces the region's suitability for diverse agricultural activities. Understanding these climatic trends is crucial for local residents and agricultural stakeholders, enabling them to adapt and thrive in this vibrant tropical environment.