April Weather in Kathmandu, Nepal

Last updated: August 31, 2025

April in Kathmandu, Nepal offers a delightful blend of warmth and vibrancy as temperatures reach a maximum of 29°C (84°F), while settling to a comfortable average of 19°C (66°F). The minimum temperature dips to 8°C (46°F), making cool evenings a welcome reprieve. However, this month also brings a significant 114 mm (4.5 in) of rainfall over 17 days, adding freshness to the air and highlighting the city's lush surroundings. With humidity levels around 25%, April presents an ideal time to explore the rich culture and stunning landscapes of Kathmandu, making it a month of both beauty and transformation.

April Temperature in Kathmandu

In April, Kathmandu experiences a delightful transition as spring unfolds, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F). The average temperature settles comfortably at 19°C (66°F), marking a noticeable shift from the cooler months of winter and early spring. This month serves as a bridge, showcasing a significant warming trend compared to March, where the average was only 16°C (61°F). As the days grow longer and sunnier, visitors and locals alike can enjoy the vibrant atmosphere of the city, with ideal conditions for exploring its cultural treasures. The mild evenings invite outdoor gatherings, making April one of the most pleasant months to experience the charm of Kathmandu.

April Weather in Kathmandu: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Kathmandu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kathmandu, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec495360656872727271665852
Data source: Temperature data for Kathmandu generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Kathmandu

April marks a significant transition in Kathmandu's climate, as precipitation levels surge to an impressive 114 mm (4.5 in), nearly doubling the amounts seen in the previous months. This considerable increase aligns with an uptick in rainy days, recorded at 17 throughout the month. As the dry spell of winter gives way to the pre-monsoon season, the city's landscape becomes increasingly lush and vibrant. This pattern continues into May, when rainfall escalates dramatically, foreshadowing the onset of the monsoon. The trend illustrates how April serves as a pivotal point, where the dry and moderate conditions of early months yield to the burgeoning rains that characterize the upcoming summer season.

April Precipitation Trends in Kathmandu

The chart displays monthly precipitation patterns in Kathmandu, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Kathmandu, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51566711426552310377844081161929
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Kathmandu

In April, Kathmandu experiences a significant drop in humidity, plummeting to 25%. This marks the lowest point in the annual cycle, following the gradually decreasing trend from January's 58% and February's 53%. As spring takes hold, the city enjoys drier air, paving the way for warmer days ahead. However, this stark transition sets the stage for the upcoming months, as the humidity begins to rise sharply in May and skyrockets to 77% by June, signaling the onset of the monsoon season. Such fluctuations in humidity provide a fascinating glimpse into the climatic patterns of the region, emphasizing April as a unique outlier in the annual weather narrative.

April Average Humidity in Kathmandu

This chart illustrates the average monthly humidity levels in Kathmandu, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Kathmandu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%53%32%25%46%77%92%92%92%87%76%71%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Kathmandu

As April rolls into Kathmandu, the UV Index reaches an extreme level of 11, making sun protection more crucial than ever. This sharp increase from March's UV Index of 9 signifies a trend of intensifying solar radiation as spring transitions into summer. With a burn time of just 10 minutes, the risks of sunburn are significantly heightened, urging both locals and visitors to adopt protective measures. Following April, the UV Index remains at an extreme level in May and June, reinforcing the necessity for vigilance against the sun’s rays. As you plan your outdoor activities, stay informed about the Kathmandu UV Index to ensure your safety under the bright skies.

Maximum UV Index Levels in Kathmandu for April

The chart shows the monthly maximum UV Index (UVI) for Kathmandu in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Kathmandu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5791111131413121075
Data source: Kathmandu April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Kathmandu

April in Kathmandu greets visitors with an alluring embrace of sunshine, as the city enjoys an impressive 340 hours of daylight. This is a delightful continuation of the upward trend seen since the start of the year, with each month bringing more radiant hours. Following a substantial leap from 336 hours in March, April sets the stage for an even sunnier May, where the city basks in 349 hours of sunlight. The consistent increase from January's 241 hours to April's peak reflects Kathmandu’s beautiful transition into the vibrant spring season. As the days grow longer and warmer, it's the perfect time to explore the breathtaking landscapes and rich culture of the Nepali capital.

Monthly Sunshine Duration in Kathmandu: April Highlighted

The April sunshine duration represents the total number of hours Kathmandu experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec241h281h336h340h349h314h227h246h267h315h290h289h
Data source: Kathmandu April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kathmandu During April

In April, Kathmandu experiences a notable increase in sunny days, with a 71% chance of sunshine, making it one of the sunniest months of the year. This upward trend begins in early spring, as the city transitions from the chill of winter, where January only sees a 55% chance of sun. As the months progress, February and March bring higher odds of clear skies, leading to a vibrant April. However, the likelihood of sunshine dramatically drops in the following months, with May plummeting to just 28% and the summer monsoon season bringing clouds and rain, particularly in June with only an 18% chance. Thus, April stands out as a prime time for sunny adventures in this beautiful Himalayan city.

Percentage of Sunny Days in April in Kathmandu

The chart illustrates the percentage of sunny days in Kathmandu throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Kathmandu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%67%69%71%28%18%4%2%14%41%47%60%
Data source: Kathmandu April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kathmandu in April

In April, Kathmandu enjoys a delightful continuation of the increasing daylight hours, with residents basking in 12 hours of sunlight each day. This marks a steady progression from the 10 hours in January and a gradual rise through the months of February and March. As spring unfolds, the longer days usher in a sense of warmth and vibrancy, hinting at the approach of summer, where daylight peaks at 13 hours in May and June. This trend showcases the city's transition through the seasons, where each month brings a closer connection to nature's rhythms and a growing opportunity for outdoor activities under the Nepalese sun.

Average Daylight Hours in Kathmandu for April

The chart illustrates the variation in daylight duration in Kathmandu throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 35m11h 12m12h12h 49m13h 30m13h 51m13h 40m13h 4m12h 17m11h 28m10h 46m10h 24m
Data source: Kathmandu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Kathmandu

As April graces Kathmandu, the city experiences a gentle increase in wind speed, averaging 1.6 m/s (3 mph). This subtle rise marks a shift from the calmer months of early winter and spring, where January through March recorded a consistent breeze of around 1.2 to 1.4 m/s (3 mph). Following April, the winds begin to soften again, with May dipping to 1.0 m/s (2 mph). This seasonal dance of winds reflects the transition from the cooler months to the warm embrace of summer, providing a refreshing touch that invigorates not only the air but the spirit of the city as it springs to life. Each gust carries whispers of change, hinting at the vibrant days ahead in this enchanting Himalayan capital.

Average April Wind Speed in Kathmandu

The chart displays monthly wind speed patterns in Kathmandu, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.11.41.6 m/s1.01.10.90.90.81.01.11.1
Data source: Kathmandu April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Kathmandu Compares to Other Months

Weather in Kathmandu varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Kathmandu, focusing on differences in temperature, rainfall, humidity, and UV levels.

When comparing the weather in April and January, significant differences emerge. April boasts a much warmer climate, with average temperatures reaching 19°C (66°F) and a maximum of 29°C (84°F). In contrast, January is considerably cooler, with an average temperature of only 9°C (49°F) and a maximum of 22°C (72°F). Additionally, April experiences higher humidity levels at 25% and more precipitation, totaling 114 mm (4.5 in) over 17 days, while January has lower humidity at 58% and less rainfall of 51 mm (2.0 in) over just 6 days. For a closer look at January conditions, check out this link: Kathmandu weather in January.

April weather in Kathmandu is notably warmer than February, with average temperatures rising to around 19°C (66°F) compared to February's cooler average of 12°C (53°F). The maximum temperatures in April can reach up to 29°C (84°F), whereas February peaks at 23°C (73°F). Additionally, April experiences more precipitation, with 114 mm (4.5 in) falling over 17 days, while February sees only 56 mm (2.2 in) across 9 days. Humidity levels in April are also significantly lower at 25%, compared to February's higher humidity of 53%. For more details on February weather in Kathmandu, visit Kathmandu weather in February.

In comparing the weather between March and April, April emerges as notably warmer, with average temperatures rising from 16°C (61°F) in March to 19°C (66°F) in April. While both months experience a similar maximum temperature, April boasts a higher minimum temperature of 8°C (46°F) compared to March's 2°C (36°F). Additionally, April sees an increase in precipitation, with 114 mm (4.5 in) over 17 days, compared to March's 67 mm (2.6 in) across 12 days. Humidity also drops in April to 25%, down from 32% in March, indicating a slightly drier feel despite the increased rainfall. For more detailed insights on March weather, you can visit Kathmandu weather in March.

April and May both experience a maximum temperature of 29°C (84°F), but overall weather patterns differ significantly. In April, the minimum temperature is cooler at 8°C (46°F) with an average of 19°C (66°F), while May sees higher lows with a minimum of 12°C (53°F) and an average of 20°C (68°F). Precipitation also plays a significant role; April has 114 mm (4.5 in) of rainfall spread over 17 days, whereas May more than doubles that with 265 mm (10.4 in) of rain over 25 days. Additionally, humidity rises markedly in May to 46%, compared to just 25% in April. For a closer look at the specifics of May weather, you can visit Kathmandu weather in May.

April and June present noticeable contrasts in weather patterns. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences moderate precipitation, totaling 114 mm (4.5 in) over 17 days, and maintains a relatively low humidity of 25%. In comparison, June sees warmer temperatures, with a minimum of 15°C (59°F), an average of 22°C (72°F), and a high of 29°C (85°F). However, it also brings a significant increase in rainfall, accumulating 523 mm (20.6 in) over 29 days, and the humidity rises dramatically to 77%. For more details about weather conditions in June, check out Kathmandu weather in June.

April and July present distinct weather patterns, reflecting the transition from spring to summer. In April, temperatures range from a mild minimum of 8°C (46°F) to a comfortable maximum of 29°C (84°F), with an average of 19°C (66°F). However, this month sees moderate precipitation, with around 114 mm (4.5 in) over 17 days and low humidity at 25%. In contrast, July experiences a significant increase in both heat and humidity, with minimum temperatures starting at 18°C (65°F) and averaging 22°C (72°F), although it can also reach highs of 29°C (85°F). However, July is marked by heavy rainfall, accumulating 1037 mm (40.8 in) across 31 days, coupled with a much higher humidity of 92%. For those interested in a more detailed overview, you can check out Kathmandu weather in July.

April and August present contrasting weather conditions. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average temperature of 19°C (66°F). The month sees a total precipitation of 114 mm (4.5 in) over 17 days, coupled with low humidity at 25%. In contrast, August experiences a milder temperature range, with a minimum of 19°C (66°F) and a maximum of 30°C (86°F), averaging at 22°C (73°F). However, it also brings significantly higher rainfall, totaling 784 mm (30.9 in) across 30 days, and a dramatic rise in humidity to 92%. For further details on the weather in August, check out Kathmandu weather in August.

April and September in Kathmandu present contrasting weather patterns. April features a mild temperature range with a minimum of 8°C (46°F) and a maximum of 29°C (84°F), offering an average of 19°C (66°F). It experiences relatively low humidity at 25% and moderate precipitation, totaling 114 mm (4.5 in) over 17 days. In contrast, September showcases a warmer climate with minimum temperatures of 17°C (62°F) and an average of 22°C (71°F), while still reaching a maximum of 29°C (84°F). However, it is characterized by significantly higher humidity at 92% and increased rainfall, with a total of 408 mm (16.1 in) spread over 29 days. For more detailed insights into September weather in Kathmandu, you can refer to Kathmandu weather in September.

When comparing the weather in April and October, both months feature similar average high temperatures of around 29°C (84°F) and average lows only slightly varying, with April starting at 8°C (46°F) and October at 9°C (48°F). However, while April tends to have a lower humidity level at 25%, October's humidity significantly increases to 87%, making the atmosphere feel much more saturated. Precipitation is quite comparable, with April receiving 114 mm (4.5 in) over 17 days and October receiving 116 mm (4.5 in) over just 16 days. For more detailed insights into October weather, you can check out Kathmandu weather in October.

April and November in Kathmandu present distinctly different weather patterns. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences considerable rainfall, totaling 114 mm (4.5 in) spread over 17 days, combined with relatively low humidity at 25%. In contrast, November sees cooler temperatures, with a minimum of 6°C (42°F) and an average of 15°C (58°F), peaking at 27°C (81°F). Rainfall is significantly less, with only 19 mm (0.8 in) over 6 days, yet the humidity rises to 76%. For more insights on November weather, check out Kathmandu weather in November.

April and December present contrasting weather conditions in Kathmandu. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month is relatively warm and experiences significant rainfall, totaling 114 mm (4.5 in) over 17 days, while humidity is at a comfortable 25%.

In contrast, December brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 22°C (71°F), averaging only 11°C (52°F). Precipitation drops significantly to 29 mm (1.1 in) over just 5 days, but humidity rises to a much higher 71%. For more details on December weather, visit Kathmandu weather in December.

Compare Kathmandu's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Kathmandu

April in Kathmandu marks a delightful transition into warmer weather, as temperatures rise noticeably compared to the preceding months. With average highs reaching 29°C (84°F), visitors can enjoy more vibrant days, though evenings can still be brisk at around 8°C (46°F). This month is characterized by increased precipitation, with 17 days experiencing rain, contributing to a refreshingly humid atmosphere of 25%. As the landscape emerges lush and green, April stands out as a prelude to the hotter summer months ahead. For a more in-depth look at the city's climate throughout the year, visit Kathmandu Climate.