Last updated: January 18, 2025
Đồng Nai, Vietnam, exhibits a tropical savanna climate classified under the Koppen-Geiger system as Aw. Characterized by distinct temperature variations, the region experiences a minimum of 16°C (62°F) in February, while averaging 27°C (82°F) throughout the year. The peak warmth occurs in April, where temperatures can soar to a maximum of 38°C (100°F). This climatic profile highlights an environment that is both warm and dynamic, influencing local ecosystems and agricultural practices.
Temperature patterns in Đồng Nai, Vietnam, reflect a distinct seasonal rhythm characterized by warm conditions year-round. The year begins with cool mornings, with January and February recording minimum temperatures of 17°C (63°F) and 16°C (62°F), respectively, alongside average highs that gradually rise from 35°C (95°F) in January to 36°C (97°F) in February. As spring progresses into April, peak temperatures reach their zenith, hitting 38°C (100°F). Subsequently, as the region transitions into the warmer months of May and June, temperatures remain consistently high, averaging around 29°C (84°F) with maximums stabilizing near 37°C (100°F). The latter half of the year sees a slight cooling trend, with afternoon highs plateauing at 34°C (94°F) from July to October and minimum temperatures holding steady around 22°C (72°F). The year wraps up with cooler conditions in December, where temperatures fluctuate between 18°C (64°F) and 33°C (92°F). This progression illustrates how Đồng Nai experiences a warm tropical climate with subtle temperature shifts across the seasons.
Bien Hoa experiences a temperature range that varies significantly throughout the year, with January seeing a minimum of 20°C (68°F) and April reaching a maximum of 38°C (100°F). This fluctuation highlights the region's warm climate, making it essential for residents and visitors to prepare for varying heat levels. For more detailed monthly temperatures in Bien Hoa, visit monthly temperatures in Bien Hoa.
Precipitation in Đồng Nai, Vietnam, showcases a clear distinction between the dry and wet seasons. The year starts with relatively low rainfall, as January records 41 mm (1.6 in) over just 5 days, followed by even drier months of February and March, bringing only 15 mm (0.6 in) and 19 mm (0.7 in) respectively. This marks a stark transition as the wet season peaks from April through November, with a significant uptick in both rainfall and the number of rainy days. April sees an increase to 81 mm (3.2 in) over 14 days, setting the stage for the intense wet months that follow.
From May to August, Đồng Nai experiences its heaviest rainfalls, culminating in July and August with 319 mm (12.6 in) and 334 mm (13.1 in) respectively, over nearly a month of frequent rainfall—29 days each. This period contributes substantively to the region's annual total, further sustained by substantial October precipitation of 281 mm (11.1 in). The rainy season gradually tapers off in November and December, with 164 mm (6.5 in) and 71 mm (2.8 in) of rainfall, respectively, as the frequency of rainy days decreases. This precipitation pattern underscores the tropical climate's influence on agricultural practices and water resource management in Đồng Nai.
In Đồng Nai, Vietnam, the sunshine duration exhibits a pronounced seasonal pattern, demonstrating a steady increase from the cooler months of winter into the summer heat. January starts the year with 254 hours of sunshine, which gradually builds through February to 295 hours and peaks in March at 328 hours. This period marks the transition from the dry season to the more humid months, with April maintaining robust sunlight at 315 hours. As spring gives way to early summer, sunshine remains ample, with May recording 310 hours, reinforcing the region's warm and bright climatic profile.
However, as the monsoon season sets in, from June onwards, there is a slight dip in sunshine hours, with June receiving 283 hours and continuing around this level through July and August. Despite the decrease, sunshine remains significant, ensuring that daytime warmth persists. The latter part of the year sees a gradual recovery, with October, November, and December offering 259 hours, 277 hours, and 298 hours of sunshine, respectively. This suggests a transition back towards brighter periods as the rainy season recedes. Overall, the sunshine data highlights a dynamic interplay between seasonal changes and sunshine availability, vital for agricultural practices and daily life in Đồng Nai.
In Đồng Nai, Vietnam, the UV Index reflects a consistently intense level of ultraviolet radiation throughout the year, categorized predominantly as extreme. From January to November, the UV Index remains high, ranging from 11 in January to a peak of 16 in March, underscoring the pressing need for sun protection. This extreme exposure category indicates that even limited sun exposure can pose significant risks, warranting caution, as highlighted by the notably brief burn time of just 10 minutes during these months. April and May maintain a strong index at 15, while June sees a slight decrease to 13, yet the sun's intensity remains formidable.
As the year transitions into the latter months, the UV Index experiences a marginal decline, with November back to 11 and finally dropping to 10 in December, when the exposure level is categorized as very high with a burn time of 15 minutes. Despite this tapering off, precautions against sun exposure remain necessary, especially given the persistent UV radiation levels from January through November. This data emphasizes the importance of understanding UV risks when planning outdoor activities in Đồng Nai, where proactive sun safety measures are essential year-round.
UV Risk Categories
In Đồng Nai, Vietnam, daylight duration remains relatively consistent throughout the year, with only slight variations that reflect seasonal changes. January and February each offer 11 hours of daylight, providing a stable start to the year. As March arrives, the days begin to lengthen, reaching 12 hours of daylight that persists through April, May, and into the summer months of June, July, and August. This constant daylight during the warmer months supports the region's vibrant ecosystems and agricultural cycles, maximizing sunlight availability for crops and daily activities.
As the year approaches its end, daylight duration reverts to 11 hours in October, November, and December, bringing the year full circle. This pattern highlights the minimal fluctuation in daylight hours typical of equatorial climates, where such variations are generally modest. Overall, the stable daylight duration in Đồng Nai fosters a predictable environment for both residents and wildlife, allowing for year-round engagement with the natural landscape and agricultural practices.
Bien Hoa, Vietnam, experiences a tropical climate characterized by distinct wet and dry seasons. Temperatures range from a minimum of 20°C (68°F) in January to a maximum of 38°C (100°F) in April, with averages hovering around 27-29°C (81-84°F) throughout the year. The region sees significant rainfall, particularly from May to October, with July being the wettest month at 298 mm (11.7 in). Despite the heavy precipitation, sunshine is abundant, peaking at 327 hours in March. For a detailed overview, you can explore the Bien Hoa climate.
In conclusion, Đồng Nai, Vietnam, presents a unique climatic profile characterized by warm temperatures, consistent sunshine, and intense UV radiation throughout the year, alongside stable daylight duration. The region experiences marked seasonal variations in precipitation and temperature, shaping its agricultural practices and daily life. With high UV index ratings indicative of extreme exposure, sun safety measures are crucial for residents and visitors alike. Overall, understanding these climatic and environmental factors is essential for maximizing the benefits of Đồng Nai's rich natural resources while ensuring the health and wellbeing of its people.