December Weather in Birganj, Nepal

Last updated: August 31, 2025

In December, Birganj, Nepal experiences a mild yet pleasant climate, with maximum temperatures reaching around 30°C (85°F) and a comfortable average of 17°C (62°F). The minimum temperature dips to 6°C (42°F), providing a refreshing chill, especially during the night. Remarkably, the month sees no precipitation, amassing a total of only 11 mm (0.4 in), which contributes to the dry atmosphere. With a humidity level of 75%, the air feels a bit sticky, yet the absence of rain allows for ideal outdoor activities and exploration.

December Temperature in Birganj

In December, Birganj, Nepal experiences a pleasant transition as temperatures begin to cool while still retaining a moderate warmth. With a minimum of 6°C (42°F) and an average of 17°C (62°F), the month sets a comfortable stage for outdoor activities. The maximum temperature reaches 30°C (85°F), showcasing a notable decrease from the scorching summer highs. This trend marks a shift from the sweltering summers of previous months, where temperatures often soared above 38°C (100°F). December's mildness makes it an inviting time to explore the region, as the cooler evenings provide a refreshing contrast to the warm days. Overall, this month serves as a gentle reminder of the warming climate transitioning into winter, creating a perfect blend for both locals and visitors to enjoy.

December Weather in Birganj: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Birganj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Birganj, December 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).
JanFebMarAprMayJunJulAugSepOctNovDec596576848687858584807162
Data source: Temperature data for Birganj 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.

December Precipitation in Birganj

December in Birganj, Nepal, marks the transition into the drier winter months, as the city experiences a notable decline in precipitation. With just 11 mm (0.4 in) of rainfall recorded, December stands out for its zero rainy days, contrasting sharply with the monsoon peaks of previous months. This shift from the heavy downpours of the June to September period, where rainfall often exceeds 200 mm and spans nearly every day, signals a significant change in the region's climate pattern. Following the monsoon season, October and November further diminish precipitation, setting the stage for a relatively dry December, which can be seen as part of a broader trend towards a more pronounced dry season in Birganj's yearly weather cycle.

December Precipitation Trends in Birganj

The chart displays monthly precipitation patterns in Birganj, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Birganj, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1220133615221351335226255111
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Birganj

In December, Birganj, Nepal experiences a notable increase in humidity, reaching 75%. This value marks a decline from the preceding months, particularly following the peak levels of 90% during the monsoon season in July and August. As the year progresses, humidity levels generally fall from a high in the summer months to a lower range in the spring. By December, the weather begins to transition towards a drier climate, but still maintains a comfortable humidity—higher than earlier months like March and April, which saw figures as low as 24%. This trend reflects the seasonal shift, as winter approaches, bringing a blend of cooler and relatively humid conditions to Birganj.

December Average Humidity in Birganj

This chart illustrates the average monthly humidity levels in Birganj, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Birganj is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%55%39%24%36%65%90%91%91%86%79%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Birganj

In December, Birganj experiences a moderate UV Index of 5, indicating a welcome dip in intensity compared to the previous months. As the year draws to a close, residents can enjoy up to 30 minutes of safe sun exposure without the risk of burning. This shift marks a notable decrease from the extreme levels seen during the peak of summer months, where UV Index values soared as high as 13 in July. Consequently, December's more manageable conditions invite outdoor activities while reminding us to remain mindful of sun protection. For more detailed information about UV levels throughout the year, check out the Birganj UV Index.

Maximum UV Index Levels in Birganj for December

The chart shows the monthly maximum UV Index (UVI) for Birganj in December, 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 December, the maximum UV index in Birganj typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101012131211975
Data source: Birganj December 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.

December Sunshine in Birganj

In December, Birganj, Nepal basks in a pleasant 281 hours of sunshine, marking a gentle conclusion to the year. The sunshine hours reflect a consistent trend observed throughout the months, with winter leading to a dip from the seasonal peak in May, where the city enjoys a robust 350 hours of sunlight. As the year transitions from the warmth of summer to the cooler winter months, daylight becomes less abundant, yet December's sunshine still offers a bright ambiance, outperforming the greyer monsoon months. With a gradual rise observed from January's 236 hours to December's 281 hours, sunlight in Birganj remains a cherished feature, illuminating the path into the new year with warmth and light.

Monthly Sunshine Duration in Birganj: December Highlighted

The December sunshine duration represents the total number of hours Birganj experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec236h274h335h339h350h330h251h269h277h313h284h281h
Data source: Birganj December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Birganj During December

In December, Birganj, Nepal, enjoys a 73% chance of sunny weather, reflecting a trend of relatively stable sunshine as the year draws to a close. The sunlight begins to wane during the monsoon months of June and July, plunging to a mere 11% and 5% respectively. However, as the rainy season recedes, the chances of sunny days gradually climb, peaking at 88% in February. November sets the stage with a robust 78% likelihood, effectively transitioning into December's pleasant climate. This month, while slightly less sunny than earlier winter months, still promises a mix of bright days that invite outdoor activities and picturesque moments in this vibrant region of Nepal.

Percentage of Sunny Days in December in Birganj

The chart illustrates the percentage of sunny days in Birganj throughout the year, with December 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 Birganj experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec70%88%86%82%45%30%12%6%27%66%78%73%
Data source: Birganj December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Birganj in December

In Birganj, Nepal, daylight duration exhibits a rhythmic ebb and flow throughout the year. Kicking off in January with a modest 10 hours, the days gradually stretch longer, peaking at 13 hours during the vibrant months of May through August. As the monsoon transitions to autumn, daylight begins its gentle decline, tapering back down to 10 hours by December. This cyclical pattern highlights the region's rich seasonal progression, where each month invites its own unique blend of daylight and night, creating a dynamic backdrop for the lives of its inhabitants.

Average Daylight Hours in Birganj for December

The chart illustrates the variation in daylight duration in Birganj throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 38m11h 13m12h12h 48m13h 28m13h 48m13h 37m13h 2m12h 17m11h 29m10h 48m10h 27m
Data source: Birganj daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Birganj

As December settles over Birganj, Nepal, the average wind speed lulls to a gentle 1.7 m/s (4 mph), mirroring the breezes of the previous months. This slight increase from November's calm of 1.4 m/s (3 mph) suggests a subtle resurgence in wind activity as the year wraps up. Observing the trends, it’s clear that the region experiences a gradual escalation in wind speeds from the still beginnings of winter; with notable peaks over the summer months. December’s mild winds indicate a transition from the brisk conditions of earlier months, inviting reflective moments as the year comes to a close. Amidst the gentle currents, the community in Birganj finds solace and peace, ready to embrace the New Year ahead.

Average December Wind Speed in Birganj

The chart displays monthly wind speed patterns in Birganj, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.72.22.42.22.62.42.02.31.71.41.7 m/s
Data source: Birganj December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Birganj Compares to Other Months

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

In December, the weather is generally warmer with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 30°C (85°F) and an average of 17°C (62°F). The month experiences relatively low precipitation, with only 11 mm (0.4 in) and no rainy days, combined with higher humidity at 75%.

In contrast, January sees slightly cooler temperatures, with a minimum of 5°C (40°F), an average of 15°C (60°F), and a maximum of 29°C (85°F). Precipitation increases marginally to 12 mm (0.5 in), with one rainy day, while humidity decreases to 65%. For more details, you can check Birganj weather in January.

In December, the weather in Birganj experiences mild temperatures, with a minimum of 6°C (42°F) and a maximum of 30°C (85°F), averaging around 17°C (62°F). The month is relatively dry, boasting no days of precipitation and maintaining a high humidity level of 75%. In contrast, February sees a slight increase in temperatures, with a minimum of 7°C (45°F) and a maximum of 32°C (90°F), averaging 19°C (66°F). However, February is wetter, recording 20 mm (0.8 in) of precipitation over two days and reducing humidity to 55%. For a more detailed look at February weather specifics, check Birganj weather in February.

In December, the weather is characterized by milder temperatures, with a minimum of 6°C (42°F) and an average of 17°C (62°F), reaching up to a maximum of 30°C (85°F). The month sees minimal precipitation, with only 11 mm (0.4 in) falling over zero rainy days and humidity levels remaining high at 75%. In contrast, March experiences warmer conditions, starting with a minimum of 9°C (48°F) and an average of 24°C (76°F), peaking at a sweltering maximum of 38°C (101°F). While March has slightly increased precipitation at 13 mm (0.5 in) over two days, humidity drops significantly to 39%. For a detailed look at March weather specifics, check out Birganj weather in March.

In Birganj, December weather is characterized by milder temperatures, with a minimum of 6°C (42°F) and an average high of 30°C (85°F). The month sees very little precipitation, with only 11 mm (0.4 in) and no rainy days, accompanied by a relatively high humidity of 75%. In contrast, April experiences significantly warmer conditions, with a minimum temperature of 17°C (62°F) and an average high reaching up to 42°C (107°F). This month is also wetter, with 36 mm (1.4 in) of rainfall across six days and a much lower humidity level of 24%. For a closer look at weather conditions in April, check out Birganj weather in April.

December and May present strikingly different weather characteristics. In December, temperatures range from a pleasant minimum of 6°C (42°F) to a maximum of 30°C (85°F), with an average of 17°C (62°F). The month experiences minimal precipitation, totaling just 11 mm (0.4 in) over 0 days, and maintains a relatively high humidity at 75%. In stark contrast, May sees much warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 41°C (107°F), averaging 30°C (86°F). This month also experiences significant rainfall, with 152 mm (6.0 in) spread across 14 days, and a much lower humidity level of 36%. For more detailed information, you can check Birganj weather in May.

December and June exhibit striking contrasts in weather conditions. In December, temperatures range from a mild 6°C (42°F) at night to a comfortable average of 17°C (62°F) during the day, peaking at a warm 30°C (85°F). The month is characterized by minimal precipitation, with just 11 mm (0.4 in) recorded over no rainy days, while humidity levels sit at a moderate 75%. In contrast, June experiences significantly higher temperatures, with nighttime lows of 23°C (74°F) and daytime averages reaching 31°C (87°F), and maximum highs soaring to 43°C (110°F). However, June is also marked by heavy rainfall, with a staggering 213 mm (8.4 in) of precipitation spread across 21 days, and humidity levels drop to 65%. For a more detailed overview of June weather, you can visit Birganj weather in June.

December and July showcase strikingly different weather patterns. In December, temperatures range from a mild 6°C (42°F) at night to a comfortable 30°C (85°F) during the day, accompanied by minimal precipitation of just 11 mm (0.4 in) and an average humidity of 75%. In contrast, July experiences much warmer temperatures, with nighttime lows around 24°C (76°F) and daytime highs soaring up to 40°C (103°F). However, it is also the wettest month, receiving a staggering 513 mm (20.2 in) of rain over 29 days and higher humidity at 90%. For more detailed insights, you can explore Birganj weather in July.

December weather in Birganj features a mild temperature range, with a minimum of 6°C (42°F) and a maximum of 30°C (85°F), resulting in an average of 17°C (62°F). The month is notably dry, with only 11 mm (0.4 in) of rainfall and 0 days of precipitation, while humidity levels sit at a comfortable 75%. In stark contrast, August experiences much warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 38°C (101°F), and an average temperature of 29°C (85°F). The wet season is in full swing, bringing substantial rainfall of 351 mm (13.8 in) over 29 days, and higher humidity levels at 91%. For more detailed insights into the weather during this month, you can refer to Birganj weather in August.

The weather in December is markedly milder compared to September, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 30°C (85°F) and an average of 17°C (62°F). In contrast, September experiences significantly higher temperatures, with a range from 22°C (73°F) to 37°C (99°F) and an average of 29°C (84°F). Moreover, December has minimal precipitation, with only 11 mm (0.4 in) recorded over zero rainy days, while September is quite wet, receiving a substantial 262 mm (10.3 in) over 24 days. Additionally, December’s humidity stands at 75%, which is lower than September's higher humidity level of 91%. For more detailed insights into September weather, you can visit Birganj weather in September.

When comparing the weather in December and October, notable differences emerge. In December, temperatures range from a minimum of 6°C (42°F) to a maximum of 30°C (85°F), with an average of 17°C (62°F). The month sees little precipitation, averaging only 11 mm over no wet days, and humidity levels are around 75%. In contrast, October features significantly warmer temperatures, with a minimum of 16°C (60°F) and a maximum reaching 37°C (98°F), averaging at 27°C (80°F). It is also a much wetter month, with 55 mm of rainfall over seven days, and the humidity is slightly higher at 86%. For more details, check Birganj weather in October.

In comparing the weather of December and November, December experiences a wider temperature range with a minimum of 6°C (42°F) and a maximum of 30°C (85°F), leading to a lower average temperature of 17°C (62°F) compared to November’s milder average of 21°C (71°F), which has a minimum of 11°C (52°F) and a maximum of 35°C (95°F). Precipitation levels remain low in both months, with December recording just 11 mm (0.4 in) and November even less at 1 mm (0.0 in), both experiencing no rainy days. Humidity is slightly lower in December at 75%, in contrast to November's 79%. For more details on November’s climate, you can visit Birganj weather in November.

Compare Birganj's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Birganj

As December settles in Birganj, the weather presents a refreshing shift compared to the warmer months. With average temperatures around 17°C, the days are notably milder, and the nights can get quite crisp, dropping to 6°C. Unlike the heavier rains of the monsoon, December boasts clear skies with no recorded precipitation, resulting in a dry atmosphere that complements the 75% humidity. This month’s pleasant climate makes it an ideal time for outdoor activities and exploring the vibrant local culture. For a more detailed understanding of the year-round weather patterns, visit Birganj Climate.