December Weather in Biratnagar, Nepal

Last updated: August 31, 2025

December in Biratnagar, Nepal offers a pleasant climate characterized by a maximum temperature of 30°C (87°F) and a comfortable average of 18°C (64°F). The month sees a minimum temperature dipping to 7°C (44°F), ensuring cool evenings. With humidity levels hovering around 71% and no recorded precipitation, residents and visitors alike can enjoy clear skies and dry conditions, making it an ideal time for outdoor activities and exploration. Overall, December presents a delightful and invigorating weather experience in Biratnagar.

December Temperature in Biratnagar

In December, Biratnagar, Nepal experiences a delightful shift in temperatures, marking a transition towards cooler weather. The month features a minimum temperature of 7°C (44°F), providing a crisp start to the winter season, while the average temperature hovers around 18°C (64°F), offering a comfortable climate ideal for outdoor explorations. Daytime highs can reach up to 30°C (87°F), ensuring plenty of warmth during the afternoons despite the chill in the mornings and evenings. This month reflects a noticeable drop in temperatures compared to the preceding months, hinting at a gradual decline as the region braces for the depths of winter in January, making December a pleasant and inviting time to experience the charm of Biratnagar.

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

The chart illustrates December 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, 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).
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.

December Precipitation in Biratnagar

In Biratnagar, December marks a notable transition in precipitation patterns as rainfall significantly dwindles, resulting in a mere 5 mm (0.2 in) over the month. With no recorded precipitation days, December follows November's dry spell, emphasizing a stark contrast to the heavy rainfall experienced during the monsoon months of June and July, which see totals of 308 mm (12.1 in) and 440 mm (17.3 in), respectively. This sharp decline highlights a definitive shift towards the drier winter months, where the landscape, once lush from abundant rains, begins to dry out, setting the stage for the cooler temperatures of the season. Overall, December's minimal rainfall underscores the region's seasonal variability, transitioning from a peak of 110 mm (4.3 in) in May to almost none by year-end.

December Precipitation Trends in Biratnagar

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

In Biratnagar, Nepal, December brings a noticeable drop in humidity compared to the peak levels experienced during the monsoon months of July through September, where it consistently hovers around an impressive 92%. As the year draws to a close, December’s humidity settles at 71%, marking a significant shift from the summer's dampness. This transitional month offers a comfortable atmosphere as it bridges the dry winter months ahead. Notably, prior to December, the humidity starts to decline significantly from its peak, with a gradual decrease observed from the highs of late summer to a more moderate level, providing a refreshing reprieve while hinting at the chill of the upcoming winter.

December Average Humidity in Biratnagar

This chart illustrates the average monthly humidity levels in Biratnagar, 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 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 December generated using information from the Copernicus Climate Change Service.

December UV Index in Biratnagar

December in Biratnagar, Nepal, marks a transition to a more moderate UV Index, with a rating of 5 and an exposure category classified as moderate. This substantial drop from the extreme levels observed in the summer months, where UV Index readings soared to 13 in July, allows for a safer outdoor experience. As the year winds down, the burn time extends to 30 minutes, providing more leeway for sun exposure compared to the high-risk months of April and May, where burn times were just 15 minutes. With the UV Index easing, December presents an ideal opportunity for sun-seekers to enjoy the outdoors while still keeping an eye on UV safety. For detailed insights into UV levels throughout the year, visit Biratnagar UV Index.

Maximum UV Index Levels in Biratnagar for December

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

In Biratnagar, Nepal, December showcases a delightful balance of sunlight, with 284 hours illuminating the month. As the year draws to a close, the sunshine begins to taper after a peak in late spring and early summer, where May records a remarkable 339 hours. Despite this slight decline, December's light remains substantial, outshining the mid-summer months like July, which offers only 247 hours. The trend here reflects a gentle descent in daylight hours as winter approaches, yet December still provides a generous glow, ensuring that residents can savor the beauty of their surroundings before the year ends. The overall pattern highlights a steady rhythm to the seasons, making Biratnagar a striking location year-round, especially during these sunlit December days.

Monthly Sunshine Duration in Biratnagar: December Highlighted

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

Chance of Sun in Biratnagar During December

December in Biratnagar, Nepal, offers a notable chance of sunshine, with approximately 75% likelihood of clear skies. This is a slight dip compared to the preceding months, particularly November, which boasts a generous 85% chance of sun. As the year draws to a close, the weather shifts towards drier conditions, making December still relatively sunny compared to the more overcast summer months, where the chance plummets to as low as 8% in July and 4% in August. Thus, those planning a visit in December can expect pleasantly bright days, continuing the trend of high sunshine that characterizes the northern winter, while nestling comfortably between the vibrant autumn and the chilly winter months.

Percentage of Sunny Days in December in Biratnagar

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

Daylight Hours in Biratnagar in December

In Biratnagar, Nepal, the daylight duration experiences a dynamic transformation throughout the year, peaking in May through August with an ample 13 hours of sunlight that invites vibrant outdoor activities. As the months progress towards winter, daylight begins to taper off, returning to 10 hours in both January and December. This pattern reveals a clear shift from the longer days of summer, gradually shortening as the year wanes, with March and April holding steady at a cheerful 12 hours. The gradual transition into shorter daylight hours gives a rhythm to the seasons, creating a sense of expectancy for the blushing blooms of spring and the serene tranquillity of winter.

Average Daylight Hours in Biratnagar for December

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

December Winds in Biratnagar

In Biratnagar, Nepal, December brings a gentle breeze, with an average wind speed of 1.8 m/s (approximately 4 mph). This marks a slight increase from November's calmest winds, reflecting a trend of fluctuating but generally mild wind speeds throughout the year. As the seasons transition from the balmy summer months, where winds peak around 2.9 m/s in June, to the quieter winter months, December's winds invite a serene atmosphere. Interestingly, the winter months tend to showcase softer breezes, with only slight variations in speed, reinforcing the city's tranquil winter charm. This consistent yet calm wind pattern helps shape Biratnagar's unique climate, making it an enchanting place to experience the soothing embrace of winter.

Average December Wind Speed in Biratnagar

The chart displays monthly wind speed patterns in Biratnagar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.72.42.82.62.92.62.12.31.91.51.8 m/s
Data source: Biratnagar December wind data, generated using information from the Copernicus Climate Change Service.

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

In December, the weather is typically warm with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), averaging 18°C (64°F). This month experiences very little to no precipitation, with only 5 mm recorded over 0 days and a humidity level of 71%. In contrast, January sees a slight dip in temperatures, with minimums around 6°C (44°F) and maximums of 29°C (85°F), averaging 16°C (61°F). Precipitation is minimal at 4 mm over 1 day, and humidity decreases to 58%. For more details, check out Biratnagar weather in January.

December and February offer mild and pleasant weather, but there are some notable differences between the two months. In December, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), with an average temperature of 18°C (64°F) and minimal precipitation at just 5 mm (0.2 in) over zero rainy days, resulting in a higher humidity level of 71%. Conversely, February experiences slightly warmer temperatures, with a minimum of 8°C (46°F), an average of 19°C (67°F), and a maximum of 31°C (88°F). However, February sees increased precipitation of 19 mm (0.7 in) over one rainy day, contributing to lower humidity at 53%. Overall, while both months provide agreeable conditions, February tends to be warmer and a bit wetter than December. For more details, you can check out Biratnagar weather in February.

December weather boasts a mild climate with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), accompanied by very low precipitation of just 5 mm (0.2 in) across zero rainy days, making it a relatively dry month with a humidity level of 71%. In contrast, March sees a boost in temperatures with a minimum of 11°C (51°F) and a maximum hitting 37°C (99°F), along with increased precipitation totaling 17 mm (0.7 in) over three rainy days, resulting in a much lower humidity of 32%. This shift indicates a transition towards warmer and wetter conditions as the year progresses. For more details, check Biratnagar weather in March.

In December, the weather is notably milder, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), and an average temperature of 18°C (64°F). It experiences little to no precipitation throughout the month, with humidity levels at 71%. In contrast, April sees significantly warmer conditions, with a minimum temperature of 17°C (62°F) and maximums reaching an astonishing 41°C (106°F). This month is also much wetter, with a total precipitation of 48 mm (1.9 in) spread over eight days, and the humidity drops to a more arid 25%. For a more detailed look at April weather, visit Biratnagar weather in April.

December and May present distinct contrasts in weather patterns. In December, temperatures range from a mild minimum of 7°C (44°F) to a comfortable maximum of 30°C (87°F), with an average of 18°C (64°F). The month is relatively dry, receiving only 5 mm (0.2 in) of precipitation over no rainy days and boasting a humidity level of 71%. In contrast, May experiences significantly warmer temperatures, with a minimum of 21°C (70°F) and a striking maximum that can reach up to 40°C (104°F), averaging around 29°C (84°F). This month is much wetter, accumulating 110 mm (4.3 in) of rainfall over 19 days, and has lower humidity at 46%. For more detailed information on May weather, visit Biratnagar weather in May.

In December, the weather tends to be mild with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), coupled with low precipitation of only 5 mm (0.2 in) and 0 days of rain, making it a relatively dry month with humidity at 71%. In contrast, June experiences markedly warmer conditions, featuring average temperatures between a minimum of 23°C (74°F) and a maximum of 38°C (102°F). This month sees significant rainfall, with a staggering 308 mm (12.1 in) of precipitation spread over 26 days, resulting in increased humidity levels at 77%. For a detailed look at the June climate in Biratnagar, you can visit Biratnagar weather in June.

In December, the weather in Biratnagar is characterized by much milder temperatures, with a minimum of 7°C (44°F) and an average of 18°C (64°F), peaking at a maximum of 30°C (87°F). The month enjoys very little rainfall, with only 5 mm (0.2 in) of precipitation recorded over 0 days, and humidity levels are relatively comfortable at 71%.

In contrast, July brings significantly warmer temperatures, with a minimum of 24°C (75°F) and averaging around 29°C (85°F), reaching highs of 38°C (100°F). However, this month also sees heavy rainfall, with a staggering 440 mm (17.3 in) of precipitation spread over 29 days, resulting in a high humidity level of 92%.

For a more detailed look at the weather in July, visit Biratnagar weather in July.

December and August present strikingly different weather conditions. In December, temperatures range from a mild 7°C (44°F) at night to a comfortable average of 18°C (64°F) during the day, peaking at a warm 30°C (87°F). This month experiences minimal precipitation, with just 5 mm (0.2 in) and a humidity level of 71%. In contrast, August is significantly warmer, with nighttime temperatures rarely dropping below 25°C (77°F) and an average high of 30°C (85°F), peaking at a scorching 38°C (101°F). Rain is much more prevalent in August, with 367 mm (14.4 in) spread over 29 days and a higher humidity of 92%. For more detailed information on August’s climate, visit Biratnagar weather in August.

The weather in December contrasts significantly with September. In December, temperatures are milder, ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F), with an average of 18°C (64°F), and the month experiences very little precipitation at just 5 mm (0.2 in) over zero days. In stark contrast, September boasts much warmer temperatures, with a minimum of 22°C (73°F) and highs reaching up to 37°C (98°F), coupled with high humidity at 92% and substantial rainfall of 255 mm (10.1 in) across 25 days. For a closer look at September's weather specifics, you can check out Biratnagar weather in September.

In December, the weather in Biratnagar is noticeably milder compared to October, with temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (87°F) and an average temperature of 18°C (64°F). In contrast, October experiences higher temperatures, with minimums of 16°C (61°F) and maximums reaching up to 36°C (98°F), averaging around 27°C (81°F). While December boasts dry conditions with minimal precipitation of just 5 mm (0.2 in) over 0 days, October is much wetter, receiving 83 mm (3.3 in) of rainfall over 9 days. Additionally, December has a lower humidity level of 71% compared to the higher 87% in October, making it a more comfortable month overall. For a detailed look at the October weather, check out Biratnagar weather in October.

In December, the temperatures in Biratnagar are generally milder, with minimums of 7°C (44°F) and maximums reaching 30°C (87°F), compared to November, which sees a wider range with minimums of 11°C (53°F) and maximums peaking at 36°C (96°F). December experiences very little precipitation, with only 5 mm recorded over the month and no rainy days, while November also maintains a dry trend with no precipitation at all. The humidity in December is slightly lower at 71%, compared to November's 76%, resulting in a more comfortable atmosphere. For a deeper understanding of November's weather specifics, you can check Biratnagar weather in November.

Compare Biratnagar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Biratnagar

December in Biratnagar marks a significant departure from the more humid and precipitation-heavy months earlier in the year. With temperatures averaging around 18°C (64°F), the crisp air is complemented by a low humidity level of 71%, creating a refreshing atmosphere perfect for outdoor activities. Unlike other months, December enjoys virtually no rainfall, offering clear skies that invite exploration and enjoyment of the beautiful surroundings. For a comprehensive overview of climate trends throughout the year, visit Biratnagar Climate.