Last updated: January 18, 2025
The climate of Dagana, Bhutan, is classified as Cwb under the Köppen-Geiger system, indicating a cool temperate highland climate characterized by distinct seasonal variations. During the coldest month of December, temperatures can plunge to a minimum of 0°C (33°F), while the warmest month of August experiences an average peak of 30°C (86°F). Annually, the average temperature hovers around 17°C (62°F), reflecting a mild climate that supports diverse ecosystems and agricultural practices in this mountainous region.
Temperature patterns in Dagana, Bhutan, exhibit a clear seasonal progression that culminates in warm summers and cool winters. The year begins with chilly January and February, where minimum temperatures can drop to 0°C (33°F), gradually rising as spring approaches, reaching average highs of 26°C (79°F) in March. By late spring in May, temperatures not only increase in general but also reach their peak, with average temperatures around 19°C (66°F) and maximums nearing 27°C (82°F). The summer months of June through August showcase a warm climate, with temperatures averaging 22°C (72°F) and peaking at 30°C (86°F) in August. As autumn sets in, temperatures begin to decline, bringing back cooler nights and daytime averages that hover around 19°C (66°F) in October. By December, the cycle returns to its winter chill, with minimums back down to 0°C (33°F), encapsulating the region's dynamic climate and its seasonal contrasts.
Daga experiences a diverse climate with temperatures ranging from a minimum of 0°C (33°F) in December to a maximum of 30°C (86°F) in August, highlighting the seasonal variations throughout the year. For more detailed monthly temperatures in Daga, you can refer to the link: monthly temperatures in Daga.
Dagana, Bhutan, experiences a pronounced monsoonal climate, with precipitation levels peaking during the summer months. Starting from January with 150 mm (5.9 in) of rain, there is a steady increase through February and March, where rainfall escalates dramatically to 379 mm (14.9 in). The onset of spring brings significant moisture, with April and May recording 360 mm (14.2 in) and 498 mm (19.6 in), respectively. As summer approaches, the rainfall reaches its zenith, particularly in July, when the region experiences a staggering 1,091 mm (42.9 in), marking it as the wettest month of the year.
Post-summer, precipitation begins to taper off but remains substantial in August and September, recording 740 mm (29.1 in) and 678 mm (26.7 in), respectively. As autumn sets in, the rainfall diminishes significantly, with October seeing 287 mm (11.3 in), followed by a notable drop in November and December, which see 138 mm (5.4 in) and 112 mm (4.4 in), respectively. The length of rainy days supports this pattern, with over 30 rainy days in the peak months of June and July, contributing to the overall hydrological dynamics critical for the local ecosystems and agriculture.
In Dagana, Bhutan, sunshine duration exhibits a clear seasonal pattern, with a steady increase in hours from winter into summer. The year begins with 214 hours of sunshine in January, gradually enhancing as the days lengthen. By February, this number rises to 247 hours, and as spring approaches, March and April enjoy 296 hours and 303 hours of sunlight, respectively. The highlight comes in May, with the highest recorded sunshine duration of 306 hours, underscoring this month as a peak for brightness before the onset of the monsoon season.
As summer transitions into the monsoon months, sunshine hours begin to decrease, dropping significantly to 180 hours in July, illustrating the impact of increased rainfall and cloud cover. This trend continues into August and September, albeit with a slight recovery as the sun shines for 226 hours and 235 hours, respectively. By autumn, the region regains its sunny disposition with 302 hours in October and 282 hours in November, rounding out the year with 274 hours in December. Overall, these trends not only emphasize the seasonal fluctuations in sunshine but also highlight Dagana's distinct contrasts between the sunny periods and the cloudier, wetter months.
The UV Index in Dagana, Bhutan, reflects a significant variation throughout the year, showcasing particularly high levels during the spring and summer months. January begins with a UV Index of 6, categorized as high, requiring about 25 minutes of safe sun exposure. As the months progress, February leaps to a UV Index of 9, moving into the very high category, and this trend continues sharply upward, reaching a peak of 15 in both July and August. During these months, the extreme exposure levels necessitate caution, with burn times reduced to just 10 minutes.
As autumn approaches, the UV Index begins to decline, starting in September with a 13 rating and gradually decreasing to 11 in October and 8 in November, mirroring the diminishing sunlight hours. This downward trend continues into winter, reverting back to 6 in December, indicating a return to high exposure but with longer safe sun exposure times of 25 minutes. Such fluctuations in the UV Index underscore the importance of sun safety throughout the year, particularly from late winter through mid-summer, when the potential for skin damage is most pronounced.
UV Risk Categories
In Dagana, Bhutan, the duration of daylight illustrates a distinct seasonal rhythm, beginning with shorter days in winter and gradually lengthening as spring approaches. January sees only 10 hours of daylight, which increases to 11 hours in February. This upward trend continues into March, where daylight reaches 12 hours, a duration that remains constant through April. By May, days stretch to their maximum length of 13 hours, signaling the approach of summer and providing ample time for outdoor activities and agricultural endeavors.
As summer stabilizes from June to August, the 13 hours of daylight remains consistent, reflecting the region's extended sunlight during these months. However, as autumn arrives, daylight begins to wane again, decreasing to 12 hours in September and further dropping to 11 hours in October. By winter, Dagana returns to shorter days with just 10 hours in both November and December. This cyclical pattern not only influences the daily rhythms of life in the region but also significantly impacts ecological and agricultural patterns throughout the year.
Daga, Bhutan experiences a temperate climate with distinct seasonal variations. Winter months (December to February) are characterized by cooler temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 22°C (72°F). The summer season, particularly from June to August, sees warmer temperatures peaking at 30°C (86°F) and heavy rainfall, with July receiving over 1,000 mm (42.9 in) of precipitation. Sunshine hours are plentiful during the spring and autumn, with May recording up to 306 hours of sunlight, while the summer months have significantly less. For more detailed information, visit Daga climate.
In conclusion, Dagana, Bhutan, is characterized by a dynamic climate and distinctive seasonal changes in temperature, precipitation, sunshine duration, UV Index, and daylight. The region experiences a notable rise in temperatures from winter’s chill to the warmth of summer, coupled with significant rainfall during the monsoon season, particularly from June to August. Additionally, the amount of sunshine and the intensity of UV exposure peak during the warmer months, necessitating sun safety measures for residents and visitors alike. With a clear pattern of longer daylight hours in spring and summer, Dagana’s environment is well-suited for agricultural practices. Understanding these climatic patterns is crucial for sustainable development, health, and daily activities in this beautiful Himalayan region.