April Weather in Biratnagar, Nepal

Last updated: August 31, 2025

April in Biratnagar, Nepal brings a vibrant blend of warm temperatures and fluctuating weather patterns. With a striking maximum temperature soaring to 41°C (106°F), the month averages a balmy 28°C (83°F), while cool evenings dip to a comfortable 17°C (62°F). Rainfall is modest, with precipitation totaling 48 mm (1.9 in) across 8 days, contributing to a humidity level of 25% that adds a touch of freshness to the otherwise warm landscape. This transitional month sets the stage for the upcoming heat of summer, inviting both locals and visitors to enjoy the lively atmosphere of Biratnagar.

April Temperature in Biratnagar

In Biratnagar, Nepal, April marks a significant transition in temperatures, showcasing the onset of warmer weather. The month kicks off with a minimum temperature of 17°C (62°F), rising to an average of 28°C (83°F) and peaking at a scorching 41°C (106°F). This sharp increase mirrors the warming trend evident from the previous months, particularly March, where average temperatures were a milder 25°C (77°F). As April progresses, the heat becomes increasingly palpable, setting the stage for even higher temperatures in May. With these rising figures, April not only signifies a shift toward summer but also invites residents and visitors to embrace the vibrant outdoor life that Biratnagar has to offer.

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

The chart illustrates April temperature patterns in Biratnagar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biratnagar, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616777828486858584807264
Data source: Temperature data for Biratnagar 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 Biratnagar

In April, Biratnagar experiences a notable uptick in precipitation, with rainfall measuring 48 mm (1.9 in) over eight days. This marks a significant increase compared to the preceding months, as both January and February received minimal rain, while March saw only 17 mm. April serves as a bridge to the monsoon, hinting at the dramatic transition ahead with May expected to bring even more rain at 110 mm. The increase in rainy days also indicates a shift toward wetter weather, setting the stage for the forthcoming monsoon months that will see a substantial rise in precipitation.

April Precipitation Trends in Biratnagar

The chart displays monthly precipitation patterns in Biratnagar, 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 Biratnagar, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec41917481103084403672568305
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Biratnagar

April in Biratnagar, Nepal, marks a notable shift in humidity levels, dipping to a low 25%. This transition follows the relatively higher humidity of 32% in March, hinting at the dry pre-monsoon conditions that characterize this time of year. As the region prepares for the impending rain of the monsoon months, May sees a moderate increase in humidity levels to 46%. The contrasting humidity patterns in April serve as a precursor to the dramatic rise that follows in June, where humidity skyrockets to 77%, culminating in the sultry, sticky conditions of July and August, consistently hovering around 92%. This cyclical change underscores the dynamic weather patterns of Biratnagar and its significant transformation in humidity as the seasons progress.

April Average Humidity in Biratnagar

This chart illustrates the average monthly humidity levels in Biratnagar, 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 Biratnagar 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 Biratnagar

April in Biratnagar, Nepal, sees a notable shift in UV radiation levels, with the UV Index soaring to 9, categorizing it as very high. This increase signifies a heightened risk of harm from unprotected sun exposure, narrowing the burn time to just 15 minutes. Following a progressive ascent from January’s moderate index of 5, the UV levels reach their peak as the region transitions into warmer months. May continues this trend, climbing to an index of 10 under the same severe exposure category. As spring unfolds, it’s crucial for residents and visitors alike to prioritize sun safety measures. For more details on Biratnagar's UV statistics, check out Biratnagar UV Index.

Maximum UV Index Levels in Biratnagar for April

The chart shows the monthly maximum UV Index (UVI) for Biratnagar 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 Biratnagar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56891011131212975
Data source: Biratnagar 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 Biratnagar

As April unfolds in Biratnagar, Nepal, the city basks in an impressive 334 hours of sunshine, marking a gradual increase from the previous months. Following a steady rise from 278 hours in February to 332 hours in March, April reveals a delightful peak as spring advances. This month not only maintains the sun-drenched momentum but sets the stage for the even sunnier days of May, which record 339 hours. The astonishing consistency of bright days reflects a vibrant transition into the warm season, allowing residents and visitors alike to embrace outdoor activities and the natural beauty of the region. As the year progresses, sunshine in Biratnagar continues to dance amid the fluctuating hours, reminding us of the splendid charm that the transitional seasons bring.

Monthly Sunshine Duration in Biratnagar: April Highlighted

The April sunshine duration represents the total number of hours Biratnagar 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.
JanFebMarAprMayJunJulAugSepOctNovDec237h278h332h334h339h314h247h275h273h303h289h284h
Data source: Biratnagar April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biratnagar During April

In April, Biratnagar, Nepal, enjoys a 77% chance of sunny weather, maintaining the sunshine prevalence seen in January. However, as the months progress, the likelihood of clear skies takes a noticeable downturn, plummeting to a mere 38% by May and dropping further to just 27% in June. This trend highlights a significant shift from the earlier months of the year, where sunny days were almost a given. As the spring season culminates, travelers and locals alike can relish the bright days of April before the monsoon arrives, transforming the weather landscape dramatically from July onwards, when sunshine is a rare treat.

Percentage of Sunny Days in April in Biratnagar

The chart illustrates the percentage of sunny days in Biratnagar 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 Biratnagar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec77%87%85%77%38%27%8%4%29%64%85%75%
Data source: Biratnagar April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biratnagar in April

In Biratnagar, Nepal, the month of April marks a delightful transition in daylight hours, with the city enjoying approximately 12 hours of sunlight each day. This consistent daylight duration mirrors the preceding month of March, which also boasts 12 hours, indicating a stable light period before the gradual increase in May, where daylight extends to 13 hours. Observing the pattern from January through April, there’s a clear upward trend as the days lengthen from just 10 hours in January to the more robust light of April. As the year progresses, residents can anticipate even longer days, with daylight peaking in the summer months. This rhythmic cycle not only enhances daily activities but also paints a beautiful landscape of seasonal change in Biratnagar.

Average Daylight Hours in Biratnagar for April

The chart illustrates the variation in daylight duration in Biratnagar throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 40m11h 14m12h12h 47m13h 26m13h 45m13h 35m13h 1m12h 16m11h 30m10h 50m10h 29m
Data source: Biratnagar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Biratnagar

In April, Biratnagar experiences a refreshing increase in average wind speed, reaching 2.8 m/s (6 mph), which marks a notable rise from the previous months. This upward trend from March's 2.4 m/s contributes to a more vibrant atmosphere, as the winds carry with them the scents of blooming flowers and the promise of warmer days ahead. Notably, May maintains this lively pace with similar speeds, but June takes it a step further, peaking at 2.9 m/s (6 mph). Following this peak, the winds gently settle in the later months, suggesting a calming transition toward the monsoon season. April, therefore, serves as a pivotal point, where the pleasing breezes herald the arrival of spring's full bloom in Biratnagar.

Average April Wind Speed in Biratnagar

The chart displays monthly wind speed patterns in Biratnagar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.72.42.8 m/s2.62.92.62.12.31.91.51.8
Data source: Biratnagar April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Biratnagar Compares to Other Months

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

April weather is characterized by significantly higher temperatures compared to January, with minimums starting at 17°C (62°F) and peaking at 41°C (106°F), while January sees cooler temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F). The average temperature in April is 28°C (83°F), making it much warmer than January's average of 16°C (61°F). Additionally, April experiences more precipitation, with 48 mm (1.9 in) over 8 days, whereas January has only 4 mm (0.2 in) over just 1 day. Humidity levels also vary, with April at a lower 25% compared to January's 58%, leading to a drier feel in April. For further details, you can check Biratnagar weather in January.

When comparing the weather in April and February, notable differences emerge. April enjoys significantly warmer temperatures, ranging from a minimum of 17°C (62°F) to a sweltering maximum of 41°C (106°F), while February's temperatures are much cooler, with a minimum of 8°C (46°F) and a maximum of 31°C (88°F). Additionally, April experiences higher humidity levels at 25% compared to February's 53%. Precipitation also varies, with April receiving 48 mm over 8 days, while February sees only 19 mm spread over just 1 day. For more details on February weather, you can visit Biratnagar weather in February.

Comparing the weather of April and March reveals notable differences in temperature and precipitation. In April, temperatures soar with a minimum of 17°C (62°F), averaging 28°C (83°F), and reaching a maximum of 41°C (106°F). The month sees a total precipitation of 48 mm (1.9 in) over 8 days, contributing to a relatively low humidity of 25%. In contrast, March experiences cooler temperatures, with a minimum of 11°C (51°F), an average of 25°C (77°F), and a maximum of 37°C (99°F). Additionally, March has significantly less rainfall, totaling only 17 mm (0.7 in) over 3 days, and higher humidity at 32%. For more detailed information, you can check Biratnagar weather in March.

In April, temperatures in Biratnagar range from a cool minimum of 17°C (62°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). The month sees about 48 mm (1.9 in) of precipitation, spread over 8 days, resulting in a relatively low humidity level of 25%. In contrast, May experiences slightly higher temperatures with a minimum of 21°C (70°F) and an average of 29°C (84°F), while the maximum reaches 40°C (104°F). However, the weather is significantly wetter, with 110 mm (4.3 in) of rainfall over 19 days, leading to increased humidity at 46%. For more detailed information, you can check Biratnagar weather in May.

April and June exhibit distinct weather characteristics. In April, temperatures range from a minimum of 17°C (62°F) to a maximum of 41°C (106°F), with an average of 28°C (83°F). The month sees relatively low precipitation, averaging 48 mm (1.9 in) over 8 days, and a low humidity of 25%. In contrast, June is warmer and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (102°F) and an average of 30°C (86°F). Significantly, June experiences much higher rainfall, totaling 308 mm (12.1 in) over 26 days and a humidity level of 77%. For more details on the June weather conditions, visit Biratnagar weather in June.

April and July exhibit significantly different weather patterns. In April, temperatures range from a mild minimum of 17°C (62°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). This month experiences relatively low humidity at 25% and only 48 mm (1.9 in) of precipitation over 8 days. Conversely, July features higher humidity at 92% and drastically increased rainfall, totaling 440 mm (17.3 in) across 29 days. The temperature range in July is narrower, with a minimum of 24°C (75°F), an average of 29°C (85°F), and a maximum of 38°C (100°F). These contrasting conditions highlight the transition from the dry heat of April to the humid and rainy climate of July. For more specifics on July's weather, you can refer to Biratnagar weather in July.

When comparing the weather in April and August, significant differences emerge. In April, temperatures range from a minimum of 17°C (62°F) to a scorching maximum of 41°C (106°F), with an average of 28°C (83°F). The month sees relatively low precipitation, measuring 48 mm (1.9 in) over about 8 days, and enjoys a comfortable humidity level of 25%. In stark contrast, August experiences much milder temperatures, with a minimum of 25°C (77°F) and a maximum of 38°C (101°F), and an average temperature of 30°C (85°F). However, it is characterized by heavy rainfall, accumulating 367 mm (14.4 in) over 29 days, resulting in high humidity levels reaching 92%. For a deeper insight into August weather specifics, you can explore Biratnagar weather in August.

April and September present distinct weather patterns, reflecting the transition from early summer to the onset of the monsoon season. In April, temperatures range from a minimum of 17°C (62°F) to a maximum of 41°C (106°F), with a warm average of 28°C (83°F). The month experiences relatively low humidity at 25% and limited rainfall, averaging 48 mm over about 8 days. In contrast, September is notably warmer at night, with a minimum temperature of 22°C (73°F) and a slightly cooler maximum of 37°C (98°F), along with a higher average of 29°C (84°F). This month is characterized by high humidity at 92% and significant rainfall, with precipitation totaling 255 mm over approximately 25 days. For more detailed information, you can check Biratnagar weather in September.

In April, the weather is characterized by warmer temperatures, with a minimum of 17°C (62°F) and maxima reaching up to 41°C (106°F), making it quite hot during the day. The average temperature is around 28°C (83°F), with relatively low humidity at 25%. However, this month also sees some rainfall, totaling 48 mm (1.9 in) over about 8 days.

In contrast, October experiences milder temperatures, with a minimum of 16°C (61°F) and a maximum of 36°C (98°F), averaging around 27°C (81°F). The humidity spikes significantly to 87%, contributing to a more humid feel. Additionally, October has a higher total precipitation of 83 mm (3.3 in) over 9 days. For more detailed information about the weather in October, you can explore Biratnagar weather in October.

In April, the weather is characterized by hotter temperatures, with a minimum of 17°C (62°F) and an average reaching up to 28°C (83°F), peaking at a scorching 41°C (106°F). Despite this warmth, April also experiences some precipitation, with about 48 mm (1.9 in) falling over 8 days and humidity at a relatively low 25%. In contrast, November is much cooler, featuring a minimum temperature of 11°C (53°F) and an average of 22°C (72°F), with a maximum of 36°C (96°F). Notably, November is dry, with no recorded precipitation and a higher humidity of 76%. For more detailed information, you can check Biratnagar weather in November.

April and December exhibit stark contrasts in weather patterns. April typically enjoys warmer temperatures, with a minimum of 17°C (62°F), averaging 28°C (83°F), and peaking at a scorching 41°C (106°F). In contrast, December is much cooler, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), averaging at 18°C (64°F). Additionally, April experiences more precipitation at 48 mm (1.9 in) over eight days, while December is remarkably dry with only 5 mm (0.2 in) and no rainfall recorded. Furthermore, humidity levels are significantly higher in December at 71%, compared to April’s drier 25%. For more detailed insights, you can check Biratnagar weather in December.

Compare Biratnagar's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Biratnagar

As April arrives in Biratnagar, it marks a significant shift in weather from the preceding months, with temperatures climbing to warm highs and comfortable averages—perfect for outdoor activities. The dry season is evident in the lower precipitation levels and reduced humidity, though brief showers may still occur. This month sets the stage for the impending heat of summer, making it a transitional period where the city begins to embrace warmer days. For an in-depth understanding of the year-round patterns, check out Biratnagar Climate.