August Weather in Biratnagar, Nepal

Last updated: August 31, 2025

August in Biratnagar, Nepal, is characterized by a warm and humid climate. The maximum temperature can soar to an impressive 38°C (101°F), while the average temperature hovers around a pleasant 30°C (85°F). Nights bring a slight relief with temperatures dropping to a minimum of 25°C (77°F). This month is marked by significant precipitation, with a total of 367 mm (14.4 in) recorded over 29 days, contributing to the region's lush greenery. The humidity level remains high at 92%, creating a muggy atmosphere that defines Biratnagar's August weather.

August Temperature in Biratnagar

In August, Biratnagar experiences warm temperatures that reflect the peak of summer, with a minimum of 25°C (77°F) and a maximum reaching up to 38°C (101°F). The average temperature sits comfortably at 30°C (85°F), signaling a continuation of the soaring heat seen in July. As the month progresses, it's clear that the region is firmly in the grip of summer's embrace, which began in April, peaking in June and July before holding steady in August. Compared to earlier months, such as January's crisp 6°C (44°F) nights, the change is striking, showcasing the vibrant shift from the chill of winter to the sultry summer warmth that Biratnagar is known for during this time of year.

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

The chart illustrates August 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, August 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Biratnagar

In August, Biratnagar experiences a significant precipitation surge, with an impressive 367 mm (14.4 in) of rain falling over 29 days. This pattern highlights the peak of the monsoon season, following a record-breaking July where the city received a staggering 440 mm (17.3 in). The rainfall tends to create a lush, green landscape, nurturing the region's agriculture, while also underscoring a trend of increasing rainfall leading into the end of summer. As the month progresses, residents brace for the familiar rhythm of rain-soaked days, setting the stage for September's retreat to 255 mm (10.1 in), signaling the gradual easing of monsoon intensity.

August Precipitation Trends in Biratnagar

The chart displays monthly precipitation patterns in Biratnagar, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Biratnagar, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec41917481103084403672568305
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Biratnagar

In August, Biratnagar, Nepal experiences a peak in humidity, holding steady at an impressive 92%. This high level of moisture in the air is a continuation of a trend that begins in June, where humidity levels rise significantly from the drier months of April and May. In fact, the transition from March's low of 32% to a sweltering 92% in July showcases the intense shift in climatic conditions. Following August, humidity remains elevated through September, suggesting a consistent monsoon influence that profoundly shapes the region’s weather patterns during this time of year, before gradually tapering off in the fall. Overall, October's 87% marks the beginning of a decrease, guiding Biratnagar back towards the drier months ahead.

August Average Humidity in Biratnagar

This chart illustrates the average monthly humidity levels in Biratnagar, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Biratnagar

In August, Biratnagar, Nepal, experiences a UV Index of 12, placing it in the extreme exposure category and allowing only 10 minutes of safe sun exposure. This trend of elevated UV levels continues from July's peak of 13, indicating that the region is in the height of its intense summer sun. The series of months from March to August showcases a clear escalation in UV intensity, transitioning from very high to extreme levels, with the diminishing burn time reflecting the increasing risks associated with sun exposure. As one navigates this period, it becomes crucial to adopt sun safety measures, particularly in August when the sun's rays can be harsh. For those looking to plan their outdoor activities wisely, more detailed information can be found at Biratnagar UV Index.

Maximum UV Index Levels in Biratnagar for August

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

August Sunshine in Biratnagar

In August, Biratnagar experiences a pleasant blend of warmth and sunlight, offering 275 hours of sunshine that gracefully bridges the peak of summer and the transition into autumn. Following a vibrant May with its maximum of 339 hours, the sunlight hours begin to taper, yet August still holds its charm with a solid amount of radiant days. This slight dip is part of a pattern that unfolds throughout the monsoon months, with July seeing the lowest at 247 hours. As the region moves into September, sunshine hours pick up again, hinting at a rhythmic cycle that keeps Biratnagar’s skies dynamic and ever-changing. Overall, August serves as a delightful reminder of summer’s lingering presence before the cooler months set in, ensuring that the vibrancy of the season continues to shine through.

Monthly Sunshine Duration in Biratnagar: August Highlighted

The August sunshine duration represents the total number of hours Biratnagar experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec237h278h332h334h339h314h247h275h273h303h289h284h
Data source: Biratnagar August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Biratnagar During August

The likelihood of sunny weather in August in Biratnagar, Nepal is notably low, with just a 4% chance of sunshine. This stark decline follows the peak sunny months from January to April, where chances were consistently above 75%. As the monsoon season progresses in May (38%), June (27%), and dramatically plunges in July to merely 8%, August continues the trend of overcast skies and rain. In stark contrast, the months that bookend August, such as September (29%) and October (64%), indicate a gradual return to clearer weather. This data clearly highlights a seasonal pattern where August remains one of the cloudiest months of the year in Biratnagar.

Percentage of Sunny Days in August in Biratnagar

The chart illustrates the percentage of sunny days in Biratnagar throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Biratnagar in August

In August, Biratnagar enjoys a generous 13 hours of daylight, marking a peak in the summer months. The trend in daylight duration throughout the year reveals a gradual increase from 10 hours in January to this summer high, reaching its zenith during the late spring and summer. Following August, daylight begins to wane, with September dropping to 12 hours, leading into the shorter days of fall and winter. Notably, the extended daylight in the middle of the year supports vibrant outdoor activities, making August an ideal time to bask in the abundant sunshine before the days gradually become shorter once again.

Average Daylight Hours in Biratnagar for August

The chart illustrates the variation in daylight duration in Biratnagar throughout the year, with August 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.

August Winds in Biratnagar

In August, Biratnagar experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph), which is a slight decline from the more robust winds of the preceding months. As the monsoon season begins to recede, the wind starts to mellow after peaking in July at 2.6 m/s (6 mph). This trend reflects a gradual shift leading into the dryer months, with wind speeds generally decreasing from their earlier highs. By comparing August with the overall wind patterns throughout the year, it's clear that while summer retains some zest, it paves the way for the calmer breezes of autumn that follow. The transition hints at a cooling atmosphere, inviting pleasant afternoons and peaceful evenings—a serene reminder of the changing seasons in this vibrant region of Nepal.

Average August Wind Speed in Biratnagar

The chart displays monthly wind speed patterns in Biratnagar, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.72.42.82.62.92.62.1 m/s2.31.91.51.8
Data source: Biratnagar August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August’s weather to other months in Biratnagar, focusing on differences in temperature, rainfall, humidity, and UV levels.

The weather in August and January presents a stark contrast. In August, temperatures can soar with minimums at 25°C (77°F) and maximums reaching up to 38°C (101°F), accompanied by high humidity levels of 92%. This month also sees significant rainfall, with 367 mm (14.4 in) of precipitation spread over 29 days, leading to a humid and often oppressive atmosphere. On the other hand, January offers a much cooler climate, with average temperatures ranging from a minimum of 6°C (44°F) to a maximum of 29°C (85°F). The month is characterized by dry conditions, receiving only 4 mm (0.2 in) of precipitation across just 1 day, and a lower humidity of 58%. For a detailed look at the weather in January, visit Biratnagar weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 25°C (77°F) and an average high of 30°C (85°F), peaking at 38°C (101°F). This heat is accompanied by heavy rainfall, totaling 367 mm (14.4 in) over 29 days, along with high humidity levels at 92%. In contrast, February offers a much cooler climate, with temperatures ranging from a minimum of 8°C (46°F) to an average of 19°C (67°F) and a maximum of 31°C (88°F). Precipitation is minimal in February, amounting to just 19 mm (0.7 in) over a single day, and humidity drops significantly to 53%. For a detailed look at February weather specifics, you can visit Biratnagar weather in February.

August and March present stark contrasts in weather patterns. August typically experiences high temperatures with a minimum of 25°C (77°F) and an average of 30°C (85°F), reaching peaks of 38°C (101°F). This month is also marked by significant rainfall, with 367 mm (14.4 in) falling over 29 days and humidity levels soaring to 92%. In contrast, March offers more moderate temperatures, ranging from a minimum of 11°C (51°F) to an average of 25°C (77°F), with a maximum of 37°C (99°F). Precipitation is minimal during March, with only 17 mm (0.7 in) over just 3 days and humidity decreasing to a more comfortable 32%. For a more detailed look at March weather, visit Biratnagar weather in March.

When comparing the weather in August and April, it's evident that April experiences a wider range of temperatures, with a maximum reaching 41°C (106°F), while August's temperatures are generally milder, peaking at 38°C (101°F). However, August is characterized by significantly higher humidity at 92%, making the heat feel more oppressive compared to April's much lower humidity of 25%. Additionally, August sees much more rainfall, with 367 mm (14.4 in) over 29 days, in stark contrast to April's modest 48 mm (1.9 in) spread across only 8 days. For more detailed insights into April's weather, you can check out Biratnagar weather in April.

In comparing the weather between August and May, August tends to be much hotter and more humid. The average temperature in August is 30°C (85°F), with maximums soaring up to 38°C (101°F) and a high humidity level of 92%. In contrast, May boasts a slightly lower average temperature of 29°C (84°F), with a maximum reaching 40°C (104°F), but with significantly lower humidity at 46%. Furthermore, August experiences a substantial amount of rainfall, totaling 367 mm (14.4 in) over 29 days, while May sees much less precipitation, with only 110 mm (4.3 in) over 19 days. For more detailed information, you can check Biratnagar weather in May.

When comparing the weather in August and June, both months experience similar average maximum temperatures, peaking around 38°C (101°F) in August and 38°C (102°F) in June. However, August tends to be slightly more humid, with humidity levels reaching an average of 92%, compared to June's more comfortable 77%. Precipitation is notably higher in August, totaling 367 mm (14.4 in) over 29 days, whereas June records 308 mm (12.1 in) across 26 days. For a more detailed look at conditions during June, you can refer to Biratnagar weather in June.

In comparing the weather patterns of August and July, both months exhibit high temperatures and humidity levels, with average temperatures in August slightly rising to 30°C (85°F) from July's 29°C (85°F). Both months experience maximum temperatures hitting 38°C (100°F in July and 101°F in August). However, August sees a decrease in rainfall, with 367 mm (14.4 in) of precipitation over 29 days, compared to July's 440 mm (17.3 in) with the same number of rainy days. Notably, both months maintain a high humidity level of 92%, contributing to the sultry feel of the weather. For a detailed insight into July's weather, you can check Biratnagar weather in July.

In August, temperatures in the region soar with a minimum of 25°C (77°F) and an average high reaching 38°C (101°F), while September sees a slight decrease, with minimums at 22°C (73°F) and maximums peaking at 37°C (98°F). Precipitation is significantly higher in August, totaling 367 mm (14.4 in) over 29 days, compared to September's 255 mm (10.1 in) over 25 days. Despite a similar humidity level of 92% in both months, the overall climate in September feels a bit cooler and drier, making it more favorable for outdoor activities. For more details, check out Biratnagar weather in September.

In August, the weather is characterized by high temperatures, with a minimum of 25°C (77°F) and an average of 30°C (85°F), peaking at a sweltering 38°C (101°F). This month also sees significant rainfall, totaling 367 mm (14.4 in) spread over 29 days, coupled with high humidity levels at 92%. In contrast, October brings a noticeable transition; temperatures drop to a minimum of 16°C (61°F) and an average of 27°C (81°F), reaching a maximum of 36°C (98°F). Rainfall decreases significantly to 83 mm (3.3 in) over just 9 days, and humidity slightly lowers to 87%. For more specific details about the weather in October, you can visit Biratnagar weather in October.

August and November present strikingly contrasting weather patterns. In August, temperatures soar with a minimum of 25°C (77°F) and an average of 30°C (85°F), peaking at a sweltering 38°C (101°F). This month experiences substantial rainfall, with 367 mm (14.4 in) of precipitation over 29 days, coupled with high humidity levels at 92%. In contrast, November offers a much cooler climate, with a minimum temperature of 11°C (53°F), an average of 22°C (72°F), and a maximum of 36°C (96°F). Remarkably, November is dry, recording no precipitation over the month and lowering humidity to 76%. For more detailed insights, you can check Biratnagar weather in November.

August and December present two starkly contrasting weather profiles. In August, temperatures are significantly higher, ranging from a minimum of 25°C (77°F) to a scorching maximum of 38°C (101°F), accompanied by high humidity levels at 92%. This month also sees considerable rainfall, with around 367 mm (14.4 in) of precipitation spread across 29 days, creating a humid and often muggy atmosphere. In contrast, December features much cooler temperatures, with a minimum of 7°C (44°F), an average of 18°C (64°F), and a maximum of 30°C (87°F). The month is notably dry, with only 5 mm (0.2 in) of precipitation and no rainy days, resulting in a more comfortable humidity level of 71%. For those interested in more details about the weather in December, you can visit Biratnagar weather in December.

Compare Biratnagar's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Biratnagar

August in Biratnagar is characterized by steamy temperatures and frequent downpours, setting it apart from other months. With maximum temperatures soaring to 38°C and an average of 30°C, the heat is accompanied by a high humidity level of 92%, creating a tropical ambiance. The month stands out due to a significant 367 mm of rainfall over nearly 29 days, making it one of the wettest periods of the year. This combination of heat and moisture not only transforms the landscape but also emphasizes the importance of understanding local weather patterns. For more insights on what to expect throughout the year, visit Biratnagar Climate.