Last updated: August 21, 2025
April in Thimphu, Bhutan brings a delightful swing in temperatures, with daytime highs reaching around 20°C (68°F), while the average settles at a cool 9°C (48°F). Nights can be brisk, dipping to a chilly -2°C (29°F). This month also witnesses considerable precipitation, totaling 193 mm (7.6 in) over 28 days, contributing to the region’s lush landscape. With humidity levels around 34%, it's a refreshing time to experience Thimphu's vibrant springtime atmosphere amidst the picturesque Himalayan backdrop.
In April, Thimphu, Bhutan, experiences a welcome transition into spring as temperatures rise significantly. With minimums around -2°C (29°F) and maximums reaching 20°C (68°F), the city begins to shake off the chill of winter. The average temperature climbs to 9°C (48°F), heralding longer, sunnier days perfect for exploring the vibrant culture and breathtaking landscapes. This month marks a noticeable shift from the harsher conditions of the previous months, notably March, where temperatures still hovered around freezing. As Bhutan emerges from its winter slumber, nature bursts into life, making April an invigorating time to visit and experience the stunning beauty of the Himalayas.
April in Thimphu, Bhutan, marks a significant uptick in precipitation, with 193 mm (7.6 in) of rainfall accumulated over 28 days. This increase follows the trend established in March, where 182 mm (7.2 in) fell across 29 days, hinting at the transition towards the monsoon months. As spring progresses, the precipitation begins to rally, paving the way for even heavier rains in May, which sees a dramatic rise to 284 mm (11.2 in). These trends indicate that while April serves as a bridge between the drier early months of the year and the impending monsoon season, it maintains a steady frequency of rainy days, reinforcing Bhutan’s lush landscape as the air warms and the flowers bloom.
In April, Thimphu experiences a notable drop in humidity, recorded at 34%, making it one of the driest months of the year. This marked decrease follows March's relatively higher humidity of 38%. As spring unfolds, the city begins to shed the residual moisture from the winter months, paving the way for a more pleasant and comfortable atmosphere. However, this low humidity is short-lived, as the wet season approaches in May, where humidity levels surge back to 60%. Observing the broader trend, Thimphu's humidity levels will continue to rise alarmingly in the months ahead, culminating in peak values of over 90% during the heart of the monsoon season from July to September.
As April unfolds in Thimphu, Bhutan, the UV Index reaches a striking 14, categorizing it within the extreme exposure level, with a dangerous burn time of just 10 minutes. This upward trend in UV intensity from previous months highlights a significant concern for sun safety, particularly as it follows a steady increase from January's UV Index of 8. April's value not only marks one of the highest points this year but also sets the stage for the impending intensity of May and June, which maintain an alarming UV Index of 16. As the sun becomes increasingly fierce, it’s crucial for both residents and visitors to stay vigilant about sun protection and limit their exposure to avoid harmful effects. For a detailed view of UV exposure trends throughout the year, check out the Thimphu UV Index.
UV Risk Categories
As April unfolds in Thimphu, Bhutan, the city basks in a delightful 326 hours of sunshine, marking a peak in the spring months. This notable increase in sunlight follows a promising progression from 315 hours in March, reflecting the gradual transition into warmer weather that continues into May, which boasts an impressive 334 hours. The trend of rising sunlight is complemented by the vibrant blooms of spring, creating an invigorating atmosphere throughout the capital. Comparatively, the months ahead, such as June, will see a slight dip to 297 hours, yet the overall trajectory from winter to spring showcases the increasing brightness that characterizes this enchanting region. As the shadows lengthen and the sun shines brighter, April truly symbolizes a time of renewal and warmth in Thimphu.
In Thimphu, Bhutan, the likelihood of sunny weather in April presents a moderate 41%, marking a slight increase from the wettest months of March and June, where the chances plunge to 29% and 11% respectively. As spring unfolds, April offers a refreshing reprieve from winter's chill, with sunlight becoming more accessible compared to the preceding months. Interestingly, while May sees a notable drop to just 19%, the sun makes a brief comeback in October at 34% before the colder months reintroduce familiar patterns. Overall, April serves as a pleasant transitional month, hinting at the hope of sun-kissed days ahead.
In April, Thimphu enjoys a daylight duration of 12 hours, marking a continuation of the steady increase in sunlight that began with the arrival of spring. After a gradual rise from 10 hours in January to 11 hours in February and 12 hours in March, the daylight hours stabilize in April before expanding further into May, when the city basks in 13 hours of daylight. This trend highlights a consistent shift towards longer days as the year progresses, creating vibrant, sunlit landscapes for residents and visitors alike. Following April, the daylight remains constant at 13 hours for several months, offering ample opportunity to explore the natural beauty and cultural richness of Bhutan.
As we transition into April in Thimphu, Bhutan, the winds remain gentle, with an average speed of 1.2 m/s (3 mph)—a slight uptick from the preceding months. The wind, while consistently mild throughout the winter and early spring, demonstrates a subtle pattern: beginning at its highest in January and then gradually declining until March, before stabilizing again in April. With the warmer days of spring approaching, this gentle breeze enhances the serenity of the landscape, inviting residents and visitors alike to enjoy the harmonious blend of nature and culture. Thus, April stands as a reminder of the soft whispers of breeze that characterize this enchanting valley, setting the stage for the vibrant season ahead.
Weather in Thimphu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Thimphu, focusing on differences in temperature, rainfall, humidity, and UV levels.
April weather contrasts significantly with that of January. While January features colder temperatures, with a minimum of -11°C (13°F) and an average of 1°C (34°F), April warms up considerably, showcasing a minimum of -2°C (29°F) and an average of 9°C (48°F). Additionally, January has higher humidity at 59% and more days of precipitation, totaling 17 days, compared to April's 28 days and significantly greater rainfall of 193 mm (7.6 in). For a detailed look at January weather, visit Thimphu weather in January.
April typically offers a noticeable contrast to February, with significantly milder temperatures and increased precipitation. While February's average temperature hovers around 2°C (37°F) with minimums dropping to -13°C (10°F), April sees a more comfortable average of 9°C (48°F), peaking at 20°C (68°F). Additionally, humidity levels in February are higher at 61%, compared to April's drier 34%. Rainfall is more frequent in April, accumulating 193 mm (7.6 in) over 28 days, compared to February's 100 mm (4.0 in) across 22 days. For more details on February's climate, check out Thimphu weather in February.
In comparing the weather of March and April, we see a noticeable increase in temperatures as April experiences a minimum of -2°C (29°F) and an average of 9°C (48°F), compared to March's lower minimum of -7°C (21°F) and average of 6°C (42°F). April's maximum temperature reaches 20°C (68°F), slightly higher than March's 18°C (64°F). Moreover, while both months have similar precipitation levels, April sees slightly more rainfall at 193 mm (7.6 in) over 28 days, compared to March's 182 mm (7.2 in) over 29 days. Additionally, the humidity drops from 38% in March to 34% in April, indicating a drier atmosphere as spring progresses. For more details about March weather, check out the link: Thimphu weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 20°C (68°F), with an average of 9°C (48°F). The month sees a total precipitation of 193 mm (7.6 in) spread over 28 days, resulting in relatively low humidity at 34%. In contrast, May brings warmer temperatures, with a minimum of 2°C (36°F) and a maximum reaching 23°C (74°F), averaging around 12°C (54°F). However, this increase in warmth is accompanied by a higher rainfall total of 284 mm (11.2 in) over 30 days and a rise in humidity to 60%. For more detailed information on May weather, you can visit Thimphu weather in May.
April and June present contrasting weather patterns as spring transitions into summer. In April, temperatures range from a chilly minimum of -2°C (29°F) to a mild maximum of 20°C (68°F), with an average of 9°C (48°F). The month is relatively dry but still sees considerable rainfall, totaling 193 mm (7.6 in) across 28 days, with low humidity at 34%. In contrast, June warms up significantly, featuring a minimum temperature of 7°C (44°F), an average of 15°C (59°F), and a maximum of 25°C (77°F). However, it also experiences increased precipitation, amounting to 366 mm (14.4 in) over 29 days, coupled with high humidity levels at 83%. For a detailed look at June weather, check out Thimphu weather in June.
April and July exhibit striking differences in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 20°C (68°F), with an average of 9°C (48°F). The month sees significant precipitation, accumulating 193 mm (7.6 in) over 28 days, alongside relatively low humidity at 34%. Conversely, July brings warmer temperatures, with a minimum of 11°C (52°F) and a maximum of 23°C (74°F), averaging 16°C (61°F). However, it is also the wettest month, with rainfall reaching 566 mm (22.3 in) over 31 days and humidity soaring to 93%. These contrasts highlight the transition from early spring to the peak of the monsoon season. For more details, you can check Thimphu weather in July.
April and August present contrasting weather conditions. In April, temperatures range from a chilly -2°C (29°F) at night to a mild 20°C (68°F) during the day, with an average of 9°C (48°F). The month sees a fair amount of precipitation, totaling 193 mm (7.6 in) over 28 days, leading to a relatively dry humidity level of 34%. In stark contrast, August brings warmer temperatures, with nighttime lows of 10°C (50°F) and daytime highs reaching 24°C (75°F), averaging 16°C (61°F). This month is much wetter, recording 385 mm (15.2 in) of rain over 30 days, accompanied by a high humidity level of 93%. For more specifics on August weather, visit Thimphu weather in August.
April and September present contrasting weather patterns. In April, temperatures usually range from a chilly minimum of -2°C (29°F) to a more comfortable average of 9°C (48°F), peaking at a mild 20°C (68°F). The month sees relatively low precipitation of 193 mm (7.6 in) over 28 days with humidity at 34%. In contrast, September features a warmer temperature profile, with minimums around 8°C (46°F) and an average of 15°C (59°F), reaching up to 23°C (74°F). However, it experiences significantly higher rainfall, totaling 316 mm (12.4 in) across the same 28-day period, accompanied by much higher humidity at 93%. For more details on September weather, you can check Thimphu weather in September.
In April, the weather tends to be quite variable, with temperatures ranging from a chilly -2°C (29°F) at night to a pleasant 20°C (68°F) during the day, and an average temperature of 9°C (48°F). The month sees significant precipitation, totaling 193 mm (7.6 in) over 28 days, while humidity remains relatively low at 34%. In contrast, October offers slightly warmer conditions with a minimum temperature of -2°C (29°F) and a maximum of 22°C (72°F), resulting in an average of 11°C (53°F). The month is drier, with 151 mm (6.0 in) of rainfall over 24 days, but the humidity is much higher at 88%. For those interested in more details, you can check Thimphu weather in October.
April and November present distinctly different weather patterns. In April, temperatures range from a chilly -2°C (29°F) at night to a pleasant maximum of 20°C (68°F) during the day, with an average temperature of 9°C (48°F). The month is quite wet, with precipitation totaling 193 mm (7.6 in) over 28 days, accompanied by a humidity level of just 34%. In contrast, November sees slightly cooler average temperatures, ranging from -3°C (26°F) to 19°C (66°F), with an average of 7°C (44°F). Precipitation is significantly lower at 68 mm (2.7 in) over 21 days, but humidity rises to a notable 80%. For more detailed information about November conditions, you can check Thimphu weather in November.
April and December present distinctly different weather patterns. In April, temperatures range from a minimum of -2°C (29°F) to a maximum of 20°C (68°F), with an average of 9°C (48°F). This month experiences a higher precipitation level of 193 mm (7.6 in) over 28 days, accompanied by a relatively low humidity of 34%. In contrast, December tends to be colder, with temperatures dropping to a minimum of -9°C (15°F) and peaking at 16°C (62°F), resulting in an average of 3°C (38°F). Although December receives less precipitation at 68 mm (2.7 in) over 19 days, the humidity significantly increases to 75%. For an in-depth look into the specifics, check Thimphu weather in December.
April in Thimphu heralds a transition as the city begins to shed the chill of winter, showcasing milder temperatures that average around 9°C, perfect for outdoor exploration. Despite the warmer days, visitors should prepare for frequent showers, as this month averages a significant number of precipitation days, contributing to the lush beauty of the landscape. The relatively low humidity adds to the refreshing atmosphere. Unlike the harsher winters, April invites a vibrant spirit, making it an ideal time to experience the rich culture and stunning surroundings of Bhutan. For a detailed insight into what to expect year-round, visit Thimphu Climate.