Last updated: January 18, 2025
Gasa, Bhutan, is characterized by its subarctic climate, classified under the Köppen-Geiger system as ET. This unique climate sees winter temperatures plunge to a minimum of -25°C (-12°F) in January, while the summer months provide a brief respite, with average temperatures around 0°C (32°F) and peak at 17°C (62°F) in August. This significant temperature variance highlights the region's distinct seasonal shifts, resulting in a climate that profoundly influences the local environment and lifestyle.
Gasa, Bhutan, experiences a pronounced seasonal variation in temperature, marked by frigid winters and mild summers. Throughout January and February, the region endures its coldest months, with minimum temperatures plummeting as low as -25°C (-12°F) and -23°C (-9°F), respectively, and average temperatures hovering around -9°C (15°F). As spring approaches in March and April, there is a gradual warming trend, with average temperatures rising to around -1°C (30°F) by April. This warming continues into the summer months of May through August, where minimum temperatures rise above freezing, reaching 1°C (35°F) in August, and average highs peak at 17°C (62°F). Following this relatively warm period, autumn brings a swift drop in temperatures, with November and December regressing back into the cold, culminating in December's averages of about -7°C (20°F). This cyclical pattern reflects the stark climate contrasts that define Gasa's year-round weather.
Laya and Gasa, both located in Bhutan, experience similar temperature ranges, with January lows reaching a frigid -25°C (-12°F) and August highs peaking at 17°C (62°F). For more detailed monthly temperatures, visit monthly temperatures in Laya and monthly temperatures in Gasa.
Precipitation in Gasa, Bhutan showcases a distinct seasonal pattern, with the wettest months falling during the summer. From June to July, the area receives the highest rainfall, peaking at 421 mm (16.6 in) in July alone, characterized by heavy monsoonal influences. This period is marked by continuous rainfall, where precipitation occurs on nearly every day of the month, with 31 rainy days recorded in July. As the monsoon transitions into early autumn, rainfall begins to decline, yet substantial amounts persist, with September and October receiving 266 mm (10.5 in) and 228 mm (9.0 in), respectively, resulting in a relatively wet fall.
In contrast, the winter months, particularly January and December, experience the least precipitation, accumulating 104 mm (4.1 in) and 115 mm (4.5 in), respectively. January sees a limited number of rainy days, averaging 18 days, while February offers slightly more precipitation at 161 mm (6.3 in) over 20 days. The spring months of March and April also show significant rainfall, with March recording 252 mm (9.9 in) over 27 days and April delivering 212 mm (8.3 in) across 25 days. This precipitation pattern underscores the diverse climatic influences in Gasa, significantly impacting its ecosystem and agriculture.
In Gasa, Bhutan, sunshine duration exhibits a clear seasonal trend, characterized by a steady increase from winter into summer. January starts with 248 hours of sunshine, gradually rising throughout February to 293 hours and reaching 342 hours by March. This upward trajectory continues into spring, peaking in May with 358 hours of glorious sunshine. The consistent increase in sunshine hours not only enhances the region's natural beauty but also supports agricultural activities and local lifestyles, contributing to a vibrant ecosystem during this time.
However, as summer transitions to autumn, the amount of sunshine experiences a noticeable decline. June maintains a healthy 344 hours of sun, but this begins to drop significantly in July, where it falls to 262 hours, reflecting the influence of the monsoon season. Despite this reduction, sunshine levels rebound somewhat in September with 301 hours, followed by October and November, which bring 328 hours and 302 hours, respectively. The winter months reintroduce less sunlight, as December matches January with 301 hours, indicating a cyclical pattern of sunshine that shapes Gasa's climatic conditions and seasonal rhythms.
In Gasa, Bhutan, the UV Index showcases significant variation throughout the year, with the highest values occurring during the spring and summer months. Starting in January with a UV Index of 9 classified as "very high," exposure risks increase sharply, culminating in a peak of 17 from April to June, categorized as "extreme." During this period, individuals are advised to limit sun exposure to just 10 minutes to prevent skin damage effectively. The high UV levels in these months underscore the importance of protective measures, especially for outdoor activities.
As the seasons change, the UV Index begins to decline, but still remains concerningly high. From 17 in July, it drops slightly to 16 in August, then continues to decrease through September and October, with readings of 15 and 12, respectively. By November, the Index trails down to 11, classified as "extreme," before reaching 8 in December, indicating a return to "very high" levels. This gradual decline in UV radiation reflects the seasonal shift in sunlight exposure, yet even in the colder months, caution is necessary, as burn times can still be as short as 15 minutes in winter, emphasizing the need for year-round sun protection in this high-altitude region.
UV Risk Categories
In Gasa, Bhutan, daylight duration reveals a distinct seasonal pattern, beginning the year with approximately 10 hours in January. As spring approaches, daylight gradually increases, reaching 12 hours by March and maintaining this length through April. The progression continues into May, where daylight extends to 13 hours, marking the peak duration of sunlight during the summer months. This consistent increase allows for extended periods of activity and growth, particularly beneficial for agriculture and outdoor pursuits.
However, as summer transitions into autumn and subsequently winter, the daylight hours begin to wane. From June to August, the duration remains at a steady 13 hours, but by September, it decreases to 12 hours, reflecting the onset of shorter days. October further reduces daylight to 11 hours, and the cycle culminates with 10 hours in both November and December. This cyclical variability of daylight duration in Gasa not only influences the region's climate but also significantly affects the lifestyle and daily routines of its inhabitants throughout the year.
Gasa, Bhutan experiences a cold and wet climate, with temperatures ranging from a frigid -25°C in January to milder conditions of 2°C in October. The region sees significant precipitation, especially from May to July, with rainfall peaking at 421 mm in July. Despite the heavy rains, sunshine hours are notable, particularly in April and May, when daylight often exceeds 350 hours. This unique climate fosters diverse ecosystems, making Gasa a captivating destination for nature enthusiasts. For more detailed information, visit Gasa climate.
Laya, Bhutan experiences a harsh climate characterized by cold temperatures and significant precipitation throughout the year. January sees extreme lows of -25°C (-12°F), while summer months like July and August have milder temperatures averaging around 9°C (48°F). Precipitation peaks in July with 421 mm (16.6 in), contributing to lush surroundings. Despite the rain, the region enjoys ample sunshine, especially in May with 358 hours, promoting vibrant flora. For more details, visit Laya climate.
In conclusion, Gasa, Bhutan, presents a captivating interplay of climatic elements that shape its unique environment and lifestyle. The distinct temperature patterns, marked by frigid winters and mild summers, complement a substantial variation in precipitation and sunshine duration, with significant rainfall during the monsoon months balanced by ample sunlight in spring and early summer. The heightened UV Index during the summer, alongside the fluctuating daylight hours, emphasizes the importance of sun protection and awareness of seasonal variations. Together, these factors embody the dynamic climate of Gasa, influencing both its ecosystems and the daily lives of its residents, while also underscoring the broader impacts of altitude and geography in determining regional climate characteristics.