December Weather in Itanagar, India

Last updated: August 21, 2025

In December, Itanagar experiences a pleasant climate marked by a maximum temperature of 27°C (81°F) and an average of 17°C (62°F), making it an ideal time for outdoor activities. With a minimum temperature dipping to 9°C (48°F), the cool nights provide a refreshing contrast to the warm days. The month sees a modest precipitation total of 12 mm (0.5 in), spread over just 2 days, ensuring that the landscape remains vibrant without significant interruptions. Additionally, humidity levels are high at 86%, contributing to a comfortable yet slightly damp atmosphere, perfect for those who enjoy the charm of winter in this picturesque Indian city.

December Temperature in Itanagar

In December, Itanagar experiences a refreshing drop in temperatures as the winter season sets in. The minimum temperature hovers around 9°C (48°F), offering a crispness that invites cozy attire, while the average reaches a comfortable 17°C (62°F), perfect for exploring the city's scenic beauty. Days remain pleasantly warm with highs of up to 27°C (81°F), creating an inviting contrast to the cooler nights. This transitional month marks a notable decline from the warmer pre-winter months, hinting at the colder peak of January just around the corner. As Itanagar cools down, it's an ideal time for visitors to enjoy the serene landscapes and vibrant local culture.

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

The chart illustrates December temperature patterns in Itanagar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Itanagar, 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).
JanFebMarAprMayJunJulAugSepOctNovDec606370737680818280776962
Data source: Temperature data for Itanagar 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 Itanagar

In December, Itanagar experiences a significant decrease in precipitation, with only 12 mm (0.5 in) of rain typically falling over just 2 days. This marks the end of a rainy spell that rages from May through July, where the monsoon season delivers its peak rainfall. Following the wetter months, November sees a slight reduction, but by December, the transition into drier conditions is clear. The sharpened decline in both precipitation levels and rainy days reflects the onset of winter, making December a notably drier month in contrast to the heavy rains of the preceding months. This trend showcases the region's climatic rhythm, highlighting a shift toward more tranquil weather as the year comes to a close.

December Precipitation Trends in Itanagar

The chart displays monthly precipitation patterns in Itanagar, 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 Itanagar, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec166598175297342340213192892313
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Itanagar

In December, Itanagar experiences a notable humidity level of 86%, which is a continuation of the trend seen in the preceding months. The year unfolds with high humidity levels, peaking in the monsoon months of July and August at an impressive 91%. Following the brief respite in the dry season of March and April, where humidity dips to around 51% and 44%, the city witnesses a significant rise again in May, coinciding with the onset of the monsoon, bringing humidity levels up to 83%. As the year closes, December maintains a high level of humidity, suggesting that the region’s moisture-laden air lingers even as temperatures cool, preserving that characteristic tropical climate throughout the year.

December Average Humidity in Itanagar

This chart illustrates the average monthly humidity levels in Itanagar, 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 Itanagar is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%70%51%44%83%89%91%91%91%90%89%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Itanagar

In December, Itanagar experiences a UV Index of 6, falling into the high exposure category with a burn time of approximately 25 minutes. This is a notable decrease from the extreme levels witnessed from April to July, where the UV Index soared to as high as 14. As the year winds down, the trend reflects a significant drop in solar intensity, offering some relief before the harsher rays return in the following months. However, it remains essential to take precautions to protect your skin during this period. For detailed information on UV levels throughout the year, visit Itanagar UV Index.

Maximum UV Index Levels in Itanagar for December

The chart shows the monthly maximum UV Index (UVI) for Itanagar 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 Itanagar typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6791213131413111086
Data source: Itanagar 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 Itanagar

December shines brightly in Itanagar, India, as the city basks in 299 hours of sunshine—a fitting end to a year of fluctuating light. Following a steady climb from a modest 238 hours in January, the month of sunshine builds momentum, peaking in March with 315 hours. As the year progresses, Itanagar dances through warmer months, maintaining a commendable average, even as the monsoon in July drops to 188 hours. The transition into December highlights a remarkable resilience, with 298 hours in November setting the stage for a lively finale. This upward trend into the year’s close not only rejuvenates spirits but also underscores Itanagar's enchanting climate during the festive season, inviting locals and visitors alike to soak in the warmth and vibrancy of the area.

Monthly Sunshine Duration in Itanagar: December Highlighted

The December sunshine duration represents the total number of hours Itanagar 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.
JanFebMarAprMayJunJulAugSepOctNovDec238h272h315h292h287h245h188h236h230h292h298h299h
Data source: Itanagar December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Itanagar During December

December in Itanagar, India, heralds a notable return of sunny days, with a 71% chance of clear weather. This month stands out as a transition from the heavily clouded rainy season, offering a refreshing reprieve as it follows the high of 79% in November. While December’s sunshine probability is slightly lower than earlier months like February and January, it still reflects a reliable level of brightness in comparison to the drizzly summer months when the sun's appearance drops significantly to a mere 8% in July. As the year draws to a close, December offers a welcome chance to bask in the sun, making it an ideal time for outdoor activities and enjoying the pleasant weather before the cold sets in.

Percentage of Sunny Days in December in Itanagar

The chart illustrates the percentage of sunny days in Itanagar 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 Itanagar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec70%72%65%53%24%12%8%6%26%65%79%71%
Data source: Itanagar December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Itanagar in December

In Itanagar, India, the daylight duration experiences a captivating ebb and flow throughout the year. Starting with 10 hours in both January and December, the hours gradually increase, peaking at a generous 13 hours from May to August, as the region basks in the warmth of summer. This vibrant midpoint shifts back to 12 hours in March and September, before slowly tapering off to 11 hours in October and back to 10 hours by November. This cycle not only highlights the transition of seasons but also underscores the rhythmic nature of daylight as it dances through the year, creating a dynamic canvas of light and shadow.

Average Daylight Hours in Itanagar for December

The chart illustrates the variation in daylight duration in Itanagar throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 37m11h 13m12h12h 48m13h 28m13h 48m13h 38m13h 3m12h 17m11h 29m10h 48m10h 27m
Data source: Itanagar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Itanagar

As December settles in Itanagar, the wind takes on a gentle demeanor, averaging 1.2 m/s (3 mph), a figure consistent with the calmer breezes seen in the preceding months. The data reveals a slight dip from the more energetic August winds, which peaked at 1.5 m/s, suggesting a seasonal transition towards tranquility. Throughout the year, wind speeds in Itanagar have remained relatively stable, oscillating just slightly within the range of 1.2 to 1.5 m/s. This consistency enhances the region's serene atmosphere, particularly as the year closes, making December an ideal time for reflective strolls amidst the vibrant landscape.

Average December Wind Speed in Itanagar

The chart displays monthly wind speed patterns in Itanagar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.31.41.41.41.41.21.51.21.21.31.2 m/s
Data source: Itanagar December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Itanagar Compares to Other Months

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

In December, the weather is generally warmer, with average temperatures ranging between 9°C (48°F) at night and 27°C (81°F) during the day, accompanied by relatively high humidity levels at 86%. Precipitation is light, with only about 12 mm (0.5 in) over 2 days. In contrast, January sees slightly cooler temperatures, featuring a minimum of 7°C (45°F) and an average of 16°C (60°F), while maintaining the same maximum of 27°C (81°F). The month experiences a bit more rainfall, totaling 16 mm (0.6 in) over 3 days, but with lower humidity at 77%. For more details, you can check Itanagar weather in January.

In December, the weather features milder temperatures with a minimum of 9°C (48°F), an average of 17°C (62°F), and a maximum of 27°C (81°F). During this month, there is light precipitation of 12 mm (0.5 in) over just 2 days, coupled with a high humidity level of 86%. In contrast, February experiences slightly cooler minimum temperatures at 8°C (47°F) but warmer maximum temperatures reaching up to 29°C (84°F). Notably, February sees a substantial increase in precipitation, measuring 65 mm (2.6 in) across 8 days, accompanied by a lower humidity of 70%. For more details on February weather, you can check Itanagar weather in February.

When comparing December and March weather, December is characterized by milder temperatures, with a minimum of 9°C (48°F) and an average of 17°C (62°F), while March experiences warmer conditions, featuring a minimum of 11°C (52°F) and an average of 21°C (70°F). Additionally, March has significantly higher maximum temperatures, reaching up to 35°C (94°F), compared to December's maximum of 27°C (81°F). Precipitation also varies greatly, as December sees only 12 mm (0.5 in) of rain over just 2 days, whereas March faces a much wetter scenario with 98 mm (3.8 in) across 14 days. The humidity in December is notably higher at 86%, while March maintains a much drier 51%. For more detailed information about March weather, visit Itanagar weather in March.

December and April present contrasting weather conditions. In December, temperatures range from a minimum of 9°C (48°F) to a maximum of 27°C (81°F), with a mild average of 17°C (62°F). The month features low precipitation, recording only 12 mm (0.5 in) over two days, and high humidity at 86%, contributing to a cooler and somewhat damp ambiance. In stark contrast, April experiences much warmer temperatures, with a minimum of 16°C (61°F) and a maximum soaring to 35°C (95°F). This month is characterized by significantly higher precipitation, amounting to 175 mm (6.9 in) over 17 days, and lower humidity at 44%, creating a more tropical feel. For more details on the weather in April, you can check Itanagar weather in April.

In December, the weather is relatively mild with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 27°C (81°F). The month sees limited rainfall, averaging only 12 mm (0.5 in) over just 2 days, coupled with high humidity levels at 86%. In contrast, May brings much warmer temperatures, with a minimum of 18°C (65°F) and a peak of up to 34°C (93°F), resulting in a much higher average of 24°C (76°F). However, May is significantly wetter, with precipitation totaling 297 mm (11.7 in) over 23 days, and humidity remains high at 83%. For further details, you can check Itanagar weather in May.

In December, the weather is relatively mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 27°C (81°F), and a pleasant average of 17°C (62°F). Precipitation is minimal, with only 12 mm (0.5 in) occurring over just two days, and humidity levels at 86%. In contrast, June brings much warmer conditions, with minimum temperatures starting at 21°C (71°F) and peaking at an extreme 37°C (98°F), averaging around 27°C (80°F). Additionally, June sees significant rainfall, accumulating 342 mm (13.5 in) over 24 days, while humidity slightly rises to 89%. For a closer look at the specifics, visit Itanagar weather in June.

When comparing the weather in December and July, there are noticeable differences in temperature and precipitation levels. December experiences milder temperatures with a minimum of 9°C (48°F) and a maximum of 27°C (81°F), averaging around 17°C (62°F). It also has relatively low precipitation of 12 mm (0.5 in) over just 2 days, coupled with a humidity level of 86%. In contrast, July is much warmer, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 35°C (95°F), and an average temperature of 27°C (81°F). This month sees significantly higher rainfall, with 340 mm (13.4 in) of precipitation over 28 days and a humidity level of 91%. For more details about July weather conditions, you can visit Itanagar weather in July.

December and August present a striking contrast in weather patterns. In December, temperatures are milder, ranging from a minimum of 9°C (48°F) to a maximum of 27°C (81°F), with low precipitation and relatively high humidity at 86%. In sharp contrast, August brings warmer temperatures, with a minimum of 24°C (75°F) and a maximum reaching 35°C (96°F). This month also sees significantly more rainfall, totaling 213 mm (8.4 in) over 24 days, accompanied by a humidity level of 91%. For more detailed information, you can visit Itanagar weather in August.

December tends to be milder than September in terms of temperature, with minimum temperatures averaging around 9°C (48°F) compared to September's more substantial minimum of 21°C (71°F). While December enjoys an average maximum temperature of 27°C (81°F), September reaches higher with maximums averaging 35°C (95°F). In addition to warmer temperatures, September experiences significantly more rainfall, with 192 mm (7.5 in) over 22 days, compared to just 12 mm (0.5 in) over 2 days in December. Humidity levels are slightly higher in September at 91%, while December's humidity averages around 86%. For more details on September weather, you can check Itanagar weather in September.

December weather tends to be milder compared to October, featuring a lower temperature range with a minimum of 9°C (48°F) and an average high of 27°C (81°F). The month experiences significantly less precipitation, only 12 mm (0.5 in) over just 2 days, and maintains a high humidity level of 86%. In contrast, October brings warmer conditions with a minimum of 17°C (62°F) and average temperatures peaking at 34°C (94°F). It is notably wetter, receiving 89 mm (3.5 in) of rain over 11 days, accompanied by humidity levels around 90%. For more detailed information, you can check Itanagar weather in October.

In December, the weather becomes slightly cooler compared to November, with minimum temperatures dropping from 12°C (53°F) to 9°C (48°F). The average temperature also declines from 20°C (69°F) in November to 17°C (62°F) in December, though the maximum temperature remains comparable, ranging from 29°C (85°F) in November to 27°C (81°F) in December. Precipitation decreases considerably in December, with only 12 mm (0.5 in) falling over 2 days, compared to 23 mm (0.9 in) over 4 days in November. Additionally, humidity is slightly lower in December at 86% versus 89% in November. For more detailed insights, you can check Itanagar weather in November.

Compare Itanagar's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Itanagar

In December, Itanagar experiences a refreshing shift in weather, offering a welcome respite from the humid and warmer months of the year. With an average temperature hovering around a comfortable 17°C, it strikes a balance between the warmer highs and cooler lows typical of this time. The month sees minimal precipitation, usually just a couple of days of light showers, allowing for plenty of dry, crisp days to explore the beautiful surroundings. The higher humidity levels, at around 86%, add a touch of moisture to the air, making the cool temperatures feel even more invigorating. For a deeper look into what makes Itanagar's climate unique throughout the year, check out Itanagar Climate.