Last updated: January 18, 2025
Nghệ An, located in Vietnam, showcases a diverse climate characterized by three predominant Köppen-Geiger classes: Cwa (humid subtropical), Am (tropical monsoon), and Aw (tropical savanna). The region experiences a dynamic temperature range, with winter minima dropping to around 3°C (38°F) in December, contrasting with scorching summer highs peaking at 43°C (109°F) in June. The annual average temperature hovers around a warm 25°C (77°F), highlighting Nghệ An's significant thermal variability and the influence of seasonal monsoon patterns on its climate.
In Nghệ An, Vietnam, temperature patterns exhibit distinct seasonal trends throughout the year. The coldest months, January and December, feature minimum temperatures around 3-5°C (38-41°F), with average highs of 30-32°C (86-90°F), marking a transition from the cooler dry season to the warmer monsoon period. As spring arrives in March and April, temperatures progressively rise, with averages reaching 23-25°C (73-77°F), while maxima spike up to 36-40°C (97-104°F), signaling the onset of summer. The peak heat is felt in June and July, where average temperatures soar to 30-31°C (86-87°F) and maximums can exceed 42°C (108°F). Following this peak, temperatures gradually decline into the autumn months of September to November, with averages returning to a more moderate range of 22-28°C (72-82°F) as the humidity decreases. This cyclical pattern illustrates the profound impact of tropical monsoons and local climatic influences on Nghệ An's annual temperature profile.
In Hoa Binh, temperatures range from a minimum of 5°C (41°F) in January to a maximum of 39°C (103°F) in May, as detailed in the monthly temperatures in Hoa Binh. In contrast, Thanh Chuong experiences minimum temperatures of 7°C (44°F) in January and peaks at 40°C (104°F) in June, according to the monthly temperatures in Thanh Chuong. Meanwhile, Tan Ky has slightly warmer temperatures, with a minimum of 7°C (45°F) in January and a maximum of 42°C (108°F) in June, as shown in the monthly temperatures in Tan Ky.
Nghệ An, Vietnam, experiences a significant variation in precipitation across the calendar year, with distinct seasonal patterns. The early months of January and February typically see lower rainfall, receiving approximately 43 mm (1.7 in) and 36 mm (1.4 in) respectively, often occurring over just a few days. As the region transitions into spring, March and April witness increased rainfall, rising to 61 mm (2.4 in) and 111 mm (4.4 in) with more rainy days, paving the way for the wetter monsoon season. May marks the beginning of the peak precipitation period, which culminates in July and August.
During the summer months, especially from July to October, Nghệ An often confronts intense rainfall, with July recording 279 mm (11.0 in) and August following closely with 292 mm (11.5 in). This is part of the monsoon season, characterized by prolonged periods of rain over numerous days, accumulating substantial moisture, as seen with October reaching 344 mm (13.5 in). After this peak, November and December see a decrease in precipitation, reflecting a transition toward the drier winter months, though December still retains around 66 mm (2.6 in) of rainfall. This pattern underscores the strong influence of seasonal monsoons on Nghệ An's climate, dramatically affecting both weather and local agriculture.
In Nghệ An, Vietnam, sunshine duration exhibits a clear seasonal trend, with hours of sunlight progressively increasing from winter to summer. January begins the year with a modest 182 hours, paving the way for a steady rise in the following months. By March, the region enjoys 264 hours of sunshine, marking the transition into spring, and this upward trajectory continues into April and May, peaking at an impressive 306 hours in May. This rising trend highlights the gradual warming and lengthening days, captivating residents and visitors alike with pleasant weather ideal for outdoor activities and agriculture.
The onset of summer brings abundant sunshine, as June and July maintain high levels of sunlight at 302 and 287 hours, respectively. Although there is a slight decline in hours during August, with 275 hours, the overall summer season remains bright and welcoming. As autumn approaches, sunshine hours begin to taper off, with October and November receiving around 244 and 242 hours, respectively, indicating a shift towards shorter days. By December, sunlight drops further to 233 hours, marking the start of winter. This annual cycle of sunlight not only shapes the climate of Nghệ An but also significantly impacts the local culture and agriculture, driven by the rhythmic pattern of sunshine throughout the year.
In Nghệ An, Vietnam, the UV Index demonstrates a pronounced seasonal pattern, reflecting the intensity of solar radiation throughout the year. Beginning in January, the UV Index is recorded at 9, categorized as very high, with a burn time of just 15 minutes. As the year progresses into February and March, the UV Index escalates to 11 and 13, both classified under the extreme category with a reduced burn time of only 10 minutes. This trend culminates in April and May, where the UV Index peaks at 14 and 15, suggesting a critical need for sun protection as the risk of skin damage rises sharply.
The summer months maintain this extreme UV exposure, with June, July, and August continuing to see a UV Index of 14-15. Thankfully, the burn time remains consistent at 10 minutes, emphasizing the urgency for sun safety measures during these months. As autumn approaches, the UV Index slightly declines, evidenced by values of 12 in October and 10 in November, transitioning back to the very high category in comparison to earlier months. Finally, December sees a further drop to 8, but the potential for sunburn remains within a 15-minute exposure. This seasonal fluctuation in UV intensity highlights the importance of protective measures against UV radiation, particularly during the peak months of the year.
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In Nghệ An, Vietnam, daylight duration exhibits a gradual seasonal cycle that reflects the region's transition from winter to summer and back again. Throughout the winter months, January and February consistently receive 11 hours of daylight each day, providing a stable yet limited amount of sunlight. As spring approaches in March and April, daylight hours begin to increase, reaching up to 12 hours, allowing for longer afternoons and a more vibrant environment, which is ideal for agriculture and outdoor activities.
Continuing into the summer, May marks the peak with 13 hours of daylight, a duration that persists through June and July, fostering an active lifestyle and ample opportunities for sunlight exposure. As summer fades into autumn in August and September, daylight duration gradually decreases to 12 hours, adjusting to the changing seasons. By October and November, daylight returns to 11 hours, and finally, in December, it drops to 10 hours, signaling the onset of winter. This rhythmic fluctuation in daylight duration plays a crucial role in shaping both the climate and the daily rhythms of life in Nghệ An.
The climate in Hoa Binh, Vietnam exhibits distinct seasonal variations, characterized by warm temperatures and significant rainfall. January marks the cooler months with temperatures ranging from 5°C to 32°C and approximately 40 mm of precipitation, while July and August experience the highest rainfall, exceeding 300 mm, with temperatures around 21°C to 37°C. Sunshine is abundant, peaking in May with 300 hours and gradually decreasing through the summer. Overall, Hoa Binh has a tropical climate that supports a rich ecosystem. For more details, visit Hoa Binh climate.
The climate in Tan Ky, Vietnam, is characterized by a warm and humid environment with significant rainfall, especially during the summer months. Temperatures range from a minimum of 7°C (45°F) in January to a maximum of 42°C (108°F) in June. Precipitation peaks in October with about 360 mm (14.2 in), while the sunniest months are from May to July, boasting over 300 hours of sunshine. This combination of warmth and moisture creates a lush landscape, making Tan Ky a vibrant region. For more details, visit Tan Ky climate.
The climate in Thanh Chuong, Vietnam is characterized by hot, humid summers and mild winters. Temperatures range from a minimum of 7°C (44°F) in January to a maximum of 40°C (104°F) in June. Rainfall peaks in October with 520 mm (20.5 in) of precipitation, while the dry season experiences less rainfall, particularly in January and February. Sunshine hours are abundant, with May having the highest at 309 hours, contributing to the region's lush landscapes. For more detailed information, visit Thanh Chuong climate.
In summary, Nghệ An, Vietnam, presents a dynamic climate characterized by significant seasonal variations in temperature, precipitation, sunshine duration, UV index, and daylight hours. The hot summer months feature elevated temperatures alongside increased rainfall and abundant sunshine, while winter brings cooler temperatures, reduced sunlight, and a decline in precipitation. Understanding these seasonal patterns helps residents and visitors alike prepare for both the benefits and challenges posed by the local climate. As Nghệ An continues to evolve under its tropical monsoon influences, awareness of climate trends remains vital for effective planning in agriculture, tourism, and daily life, ensuring that the community adapts to and thrives within its unique environmental context.