December Weather in Jomsom, Nepal

Last updated: August 31, 2025

In December, Jomsom, Nepal, experiences a stark winter chill, with temperatures dipping as low as -24°C (-11°F) and averaging around -9°C (16°F). While the maximum temperature reaches a modest 7°C (45°F), the region remains under the firm grip of winter conditions. The month sees 48 mm (1.9 in) of precipitation over approximately 7 days, contributing to the area's crisp, humid climate with 50% humidity. Visitors and locals alike should prepare for a cold, yet fascinating experience in the heart of the Himalayas.

December Temperature in Jomsom

In December, Jomsom, Nepal, braces for its coldest temperatures of the year, with minimums plunging to -24°C (-11°F) and average lows around -9°C (16°F). As winter tightens its grip, the town experiences a modest maximum of 7°C (45°F), reflecting a gradual decline from the milder autumn days. This month continues the trend of significantly colder temperatures compared to the previous months, showing a stark contrast to the late summer warmth. Travelers should prepare for frosty conditions, making it an ideal time for enjoying cozy indoor activities or adventuring amidst the serene, snow-dusted landscapes.

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

The chart illustrates December temperature patterns in Jomsom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jomsom, 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).
JanFebMarAprMayJunJulAugSepOctNovDec121420283645484845362716
Data source: Temperature data for Jomsom 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.

December Precipitation in Jomsom

In December, Jomsom experiences a notable decrease in precipitation, with 48 mm (1.9 in) of rain falling over just 7 days. This marks a shift from the heavy rainfall of the monsoon months, where June and July record substantial totals of 220 mm (8.7 in) and 370 mm (14.6 in), respectively. As winter sets in, December's precipitation aligns more closely with the drier months of October and November, which see 49 mm (1.9 in) and 27 mm (1.1 in), respectively. This trend highlights a steady decline in both rainfall amount and rainy days as the year closes, paving the way for the clearer, crisper days of mid-winter.

December Precipitation Trends in Jomsom

The chart displays monthly precipitation patterns in Jomsom, 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 Jomsom, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64616454113220370333223492748
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Jomsom

In Jomsom, Nepal, December ushers in a notable dip in humidity levels, with the figures settling at a cool 50%. This reduction marks a clear contrast to the sweltering summer months, especially July and August, where humidity peaks at an impressive 83% and 90%, respectively. As the year progresses, a steady decline is observed from the height of summer, with autumn months witnessing a gradual decrease that ultimately leads to December's drier air. Interestingly, this trend reflects the region's transition from humid monsoons to the crisp, refreshing winter, providing a unique climate that invites both adventure and serenity.

December Average Humidity in Jomsom

This chart illustrates the average monthly humidity levels in Jomsom, 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 Jomsom is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec61%69%59%48%54%60%83%90%85%68%54%50%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jomsom

In December, Jomsom, Nepal experiences a notable decrease in UV intensity, with the UV Index dropping to 7, categorizing it as high. This marks a shift from the extreme levels seen throughout the previous months, allowing for a longer burn time of just 25 minutes before sun exposure becomes risky. As the cold sets in, residents and visitors can enjoy outdoor activities with a bit more peace of mind, though precautions are still advised. Overall, the trend from extreme UV levels in the peak months gradually softens into safer ranges by December, illustrating the importance of monitoring UV exposure throughout the year. For more detailed information, visit Jomsom UV Index.

Maximum UV Index Levels in Jomsom for December

The chart shows the monthly maximum UV Index (UVI) for Jomsom 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 Jomsom typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911151517161716151497
Data source: Jomsom 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 Jomsom

In December, Jomsom, Nepal enjoys a notable 305 hours of sunshine, maintaining a consistent brightness that characterizes the region as the year draws to a close. This month reflects a solid transition from the milder autumn months, like November, which had 309 hours of sunshine. Interestingly, December's sunshine hours are slightly lower than the peak of May, which boasts an impressive 365 hours, yet they remain among the higher averages as the colder winter approaches. The trend of steady sunshine in the latter part of the year highlights Jomsom as a prime destination for winter landscapes and clarity, inviting visitors to relish the serene beauty illuminated by the sun. As winter settles in, the region continues to shine brightly, offering breathtaking views against the backdrop of its majestic mountains.

Monthly Sunshine Duration in Jomsom: December Highlighted

The December sunshine duration represents the total number of hours Jomsom 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.
JanFebMarAprMayJunJulAugSepOctNovDec252h296h348h357h365h310h251h253h294h332h309h305h
Data source: Jomsom December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jomsom During December

In December, Jomsom, Nepal, enjoys a moderate likelihood of sunny weather, with a 56% chance of clear skies. This slight uptick in sunshine compared to the previous month, November (59%), hints at a trend of improving weather conditions as the year winds down. Notably, this is a distinct departure from the rainy summer months, where the likelihood plummets to single digits. In the heart of winter, December offers a promising glimpse of sunshine, making it a great time for outdoor adventures against the backdrop of the magnificent Himalayan landscape. As the transition into the new year begins, those visiting Jomsom can look forward to a mix of crisp, sunny days and the enchanting serenity that winter brings.

Percentage of Sunny Days in December in Jomsom

The chart illustrates the percentage of sunny days in Jomsom 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 Jomsom experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec77%70%53%55%20%11%4%3%16%39%59%56%
Data source: Jomsom December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jomsom in December

In Jomsom, Nepal, the daylight duration experiences a noticeable rhythm throughout the year, peaking in the vibrant months of May through August with a generous 13 hours of sunlight, perfect for exploring the region's breathtaking landscapes. As the seasons transition into autumn, daylight hours gradually decline, with September and October offering a gentle tapering to 12 and then 11 hours respectively. This trend continues into winter, where December sees daylight returning to 10 hours, echoing the beginnings of the year in January. The shifts in daylight not only reflect the changing seasons but also enhance the unique beauty of Jomsom, inviting both adventure and tranquility in each cycle.

Average Daylight Hours in Jomsom for December

The chart illustrates the variation in daylight duration in Jomsom throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 31m11h 9m11h 59m12h 51m13h 34m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m
Data source: Jomsom daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jomsom

In Jomsom, Nepal, the December wind carries a gentle whisper as it maintains an average speed of 0.7 m/s (2 mph), echoing the patterns observed throughout the year. As the seasons transition, it becomes clear that the wind’s presence is consistently mild, rotating between 0.7 m/s to 0.9 m/s across the months. The slight dip in December matches the trend set by the preceding November, suggesting a calming end to the year. This consistent breeze is a tranquil reminder of the region's unique climate, where even the wind tends to slow down, cradling Jomsom in a serene atmosphere as it bids farewell to the outgoing year.

Average December Wind Speed in Jomsom

The chart displays monthly wind speed patterns in Jomsom, 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.
JanFebMarAprMayJunJulAugSepOctNovDec0.70.80.80.90.80.90.90.90.80.80.70.7 m/s
Data source: Jomsom December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jomsom Compares to Other Months

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

December and January exhibit some notable differences in weather patterns. In December, temperatures range from a minimum of -24°C (-11°F) to a maximum of 7°C (45°F), with an average of -9°C (16°F) and a relatively lower humidity of 50%. Precipitation totals for the month amount to 48 mm (1.9 in) over about 7 days. In contrast, January is slightly colder, with minimum temperatures dropping to -25°C (-13°F) and slightly higher maximums reaching 10°C (49°F), averaging -11°C (12°F). This month also sees increased precipitation, totaling 64 mm (2.5 in) across 8 days and a higher humidity level at 61%. For more detailed insights, you can visit Jomsom weather in January.

December and February both experience cold temperatures, with averages hovering around -9°C (16°F) and -10°C (15°F) respectively. However, December typically sees slightly milder minimum temperatures of -24°C (-11°F) compared to February's colder -25°C (-12°F). In terms of precipitation, February receives more moisture at 61 mm (2.4 in) over 9 days, while December has 48 mm (1.9 in) of precipitation over 7 days. This increase in February also correlates with higher humidity levels, reaching 69% compared to December's 50%. For more detailed insights, you can check Jomsom weather in February.

In December, the weather is quite chilly, with average temperatures around -9°C (16°F) and a maximum of 7°C (45°F). The month experiences around 48 mm (1.9 in) of precipitation over about 7 days, with a humidity level of 50%. In contrast, March sees a slight warming trend, with average temperatures rising to -7°C (20°F) and a maximum of 9°C (48°F). However, it experiences more precipitation at 64 mm (2.5 in) spread over 12 days, along with a higher humidity of 59%. This comparison highlights the gradual transition from the deep winter chill of December to the emerging spring conditions in March. For more specific insights about Jomsom's March weather, you can refer to Jomsom weather in March.

In December, temperatures in Jomsom can dip as low as -24°C (-11°F), with an average temperature of -9°C (16°F) and a maximum reaching 7°C (45°F). The month sees about 48 mm (1.9 in) of precipitation over approximately 7 days, accompanied by a humidity level of 50%. In contrast, April experiences milder temperatures, with minimums around -21°C (-5°F), an average of -2°C (28°F), and highs of 10°C (50°F). This month has slightly more precipitation at 54 mm (2.1 in), but it falls over 16 days, reflecting a change in weather patterns. Humidity in April is also slightly lower at 48%. For more details on the weather in Jomsom during this month, you can refer to Jomsom weather in April.

In December, temperatures are notably frosty, with averages around -9°C (16°F) and a maximum of 7°C (45°F), while precipitation is relatively low at 48 mm (1.9 in) over just 7 days. The humidity sits at 50%, creating a crisp winter atmosphere. In contrast, May brings a milder climate with minimum temperatures around -18°C (1°F) and an average of 2°C (36°F), peaking at 13°C (56°F). However, it's much wetter, receiving 113 mm (4.4 in) of rain over 25 days, and experiencing slightly higher humidity at 54%. This shift from cold and dry in December to a wetter and somewhat warmer May is significant, making for contrasting seasonal experiences. For more details on Jomsom weather in May, visit Jomsom weather in May.

When comparing the weather in December and June, the differences are striking. December experiences frigid temperatures, with a minimum of -24°C (-11°F) and an average of -9°C (16°F), while June brings a milder climate, with lows around -7°C (21°F) and averages of 7°C (45°F). Precipitation patterns also vary significantly; December has relatively low precipitation at 48 mm (1.9 in) over 7 days, compared to June’s much higher total of 220 mm (8.7 in) spread over 28 days. Additionally, humidity increases slightly from 50% in December to 60% in June, highlighting the contrasting conditions between winter and early summer. For more information on June's weather, visit Jomsom weather in June.

December and July offer starkly contrasting weather conditions. In December, temperatures can plunge to a minimum of -24°C (-11°F) and only reach an average high of 7°C (45°F), with relatively low humidity at 50%. Precipitation is limited to 48 mm (1.9 in) spread over 7 days, making it a dry winter month.

In contrast, July brings much warmer temperatures, with a minimum of 4°C (39°F) and an average high of 17°C (62°F). This month experiences significantly higher humidity at 83% and a substantial amount of rainfall, totaling 370 mm (14.6 in) over 31 days. For more specifics on weather conditions, you can check out Jomsom weather in July. Overall, while December is characterized by cold temperatures and a clear atmosphere, July presents a much more humid and wet environment.

December and August present stark contrasts in weather. In December, temperatures can plummet as low as -24°C (-11°F), with an average of -9°C (16°F) and a maximum of 7°C (45°F), creating a frigid atmosphere. The month typically sees about 48 mm (1.9 in) of precipitation over 7 days, accompanied by a humidity level of 50%. In contrast, August experiences a milder climate, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 17°C (63°F), averaging 9°C (49°F). This summer month is significantly wetter, receiving 333 mm (13.1 in) of precipitation over nearly the entire month, with humidity reaching a humid 90%. For more detailed information, you can check the source on Jomsom weather in August.

In comparing December and September weather, a stark contrast emerges. December experiences much colder temperatures, with a minimum of -24°C (-11°F) and an average of -9°C (16°F), while September has milder conditions, featuring a minimum of -8°C (19°F) and an average of 7°C (45°F). Precipitation is significantly higher in September, totaling 223 mm (8.8 in) over 26 days, compared to December's 48 mm (1.9 in) over just 7 days. Additionally, September's humidity level is considerably higher at 85%, compared to December's more moderate 50%. For more details on September weather, you can visit Jomsom weather in September.

In December, temperatures drop significantly compared to October, with a minimum of -24°C (-11°F) and an average temperature of -9°C (16°F), whereas October experiences milder conditions with a minimum of -12°C (10°F) and an average of 2°C (37°F). While both months see similar precipitation levels at around 49-48 mm (1.9 in), December has fewer rainy days, occurring on just 7 days compared to October’s 14. Additionally, October has higher humidity at 68%, contrasting with December’s lower 50%, making October feel more damp and chillier despite the slightly warmer temperatures. For a more detailed look at October conditions, you can visit Jomsom weather in October.

In comparing the weather of December to November, December tends to be colder, with average temperatures hovering around -9°C (16°F), while November has a milder average temperature of -3°C (27°F). The minimum temperature in December dips to -24°C (-11°F), compared to November's minimum of -21°C (-5°F). Precipitation also increases in December, with 48 mm recorded over 7 days, compared to November's 27 mm over the same number of days. Additionally, December's humidity is slightly lower at 50%, compared to November's 54%. For more insights on weather conditions during this month, check out Jomsom weather in November.

Compare Jomsom's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jomsom

As December sets in, Jomsom experiences a distinct shift in its weather, characterized by chillier temperatures and a more pronounced winter feel compared to other months. The average temperature dramatically drops, often plunging well below freezing, contrasting sharply with the more temperate conditions of autumn. Although precipitation occurs on a handful of days, it adds a crisp touch to the air, coupled with moderate humidity. This combination creates a unique winter landscape, making December a particularly enchanting time to visit Jomsom. For a more detailed look at the climate throughout the year, check out Jomsom Climate.