Last updated: August 21, 2025
December in Ranchi, India brings mild and pleasant weather, with maximum temperatures reaching 28°C (82°F), while the average hovers around 16°C (62°F). The nights can get crisp, dipping to a cool 6°C (43°F). The month witnesses a limited amount of rainfall, totaling 24 mm (1.0 in) over just 2 days, contributing to a 65% humidity level that enhances the overall refreshing feel of the air. This time of year is ideal for outdoor activities, as the comfortable temperatures and low precipitation offer a perfect backdrop for exploring the scenic beauty of the region.
In Ranchi, India, December ushers in a refreshing chill, with temperatures showcasing a delightful range. The month begins with minimums dipping to 6°C (43°F), providing a crisp start to winter, while the average temperature holds steady at 16°C (62°F), creating a pleasant atmosphere for outdoor activities. Daytime highs can reach up to 28°C (82°F), allowing for warm afternoons that contrast beautifully with the cooler nights. This transition from the warm, humid conditions of the preceding months signals the arrival of winter, making December an appealing time to visit Ranchi for those seeking a mix of mild and invigorating weather.
December in Ranchi, India, marks a transition as the region experiences a notable increase in precipitation, with 24 mm (1.0 in) falling over just 2 days. This modest uplift occurs after a remarkably dry November, which recorded a mere 8 mm of rain over only a single day. December's rainfall, while not substantial compared to the intense monsoon months of June through August, suggests a shift towards a drier winter pattern as the year closes. The gentle rains contribute to the region's cooler climate, offering a refreshing respite from the preceding sweltering months. Overall, December acts as a bridge, hinting at both the lingering effects of monsoonal patterns and the forthcoming dry season ahead.
As the year draws to a close, December in Ranchi, India, offers a noticeable shift in humidity levels, resting at a comfortable 65%. This marks a significant transition from the peak of the monsoon season in July and August, where humidity soared to 83% and 86%, creating a sultry atmosphere. Following the heavy rains, the months of September through November saw a gradual decline, with November still holding on to 72%. In contrast, the earlier part of the year, from January to April, exhibited much drier conditions, particularly in March and April, where humidity dipped to a low of 27% and 22% respectively. Overall, December's moderate humidity creates a pleasant environment, reflecting the gradual retreat from the high moisture levels of the preceding months while still capturing the essence of Ranchi's tropical climate.
In Ranchi, India, the UV Index exhibits notable variations throughout the year, reflecting changing seasonal conditions. As we move into December, the UV Index stands at 7, categorized as high, with a burn time of 25 minutes. This marks a decrease from the extreme levels seen in the summer months, where indices peaked at 14 in August, necessitating only 10 minutes of exposure before risk of harm. The transition from late autumn to winter brings a sense of relief as the exposure category drops, allowing for safer outdoor activities. It's essential to stay informed about these indices, especially during peak months, to protect your skin effectively. For more detailed information, visit Ranchi UV Index.
UV Risk Categories
In Ranchi, India, December marks a transition towards the end of the year, basking in 291 hours of sunlight. This month reflects a gentle decline from the vibrant rays of May, which captured the highest sunshine at 354 hours, yet remains consistent with the late autumn months of November and October. As the year progresses, the sunshine gradually wanes from a peak in April to a medium brightness in December, indicative of the region's shifting seasons. Interestingly, after the rain-laden monsoon months of July and June, the return of sunny skies in December offers a delightful respite, contributing to the appeal of Ranchi’s climate as it embraces the cool December air while still enjoying ample sunlight.
December in Ranchi, India showcases a moderate 61% chance of sunny weather, reflecting a slight dip from the preceding months. Following the monsoon season, which brings a dramatic reduction in sunshine during the summer months of June (21%) and July (6%), December emerges as a transitional period. While the likelihood of sunny days is lower than in the vibrant autumn of October (61%) and November (66%), it still offers a reasonable expectation for clear skies. As the year wraps up, this month provides a cozy opportunity to soak in some sun, before the chilly winter sets in.
In Ranchi, India, the daylight duration throughout the year reveals a rhythmic pattern closely tied to the changing seasons. As the year begins in January with just 10 hours of daylight, the hours gradually increase, peaking at 13 hours in the vibrant months of May through July. This significant increase mirrors the arrival of summer, where extended daylight encourages outdoor activities. However, as the monsoon and autumn roll in, daylight dips back to 12 hours in August and September, before further decreasing to 11 hours in October and November. By December, daylight once again settles at 10 hours, completing the cycle and ushering in the cooler months. This rhythmic ebb and flow of daylight not only dictates the natural landscape but also influences the lifestyle and activities of Ranchi's residents.
As December settles over Ranchi, India, the wind begins to whisper tales of the year's transition, with an average speed of 2.2 m/s (5 mph)—mirroring the gentle breezes of October and February. This month's wind patterns reflect a subtle ebb in intensity compared to the robust gusts of the preceding monsoon months, particularly July and September, where speeds peaked at 3.0 m/s (7 mph) and 3.1 m/s (7 mph), respectively. With November witnessing the calmest moments at 1.7 m/s (4 mph), December's gentle return to a moderate breeze hints at a serene close to the year. The overall trend suggests a gradual ascent in wind speeds from the stillness of late autumn to the playful whispers of winter, creating a soothing backdrop for the season's festivities.
Weather in Ranchi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ranchi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Ranchi range from a minimum of 6°C (43°F) to a maximum of 28°C (82°F), with an average temperature of 16°C (62°F). The month experiences around 24 mm (1.0 in) of rainfall over 2 days and has a humidity level of 65%. In contrast, January sees slightly warmer temperatures, with a minimum of 7°C (44°F) and a maximum still peaking at 28°C (83°F), maintaining an average of 16°C (61°F). However, January is generally drier, receiving only 12 mm (0.5 in) of precipitation over the same number of days, along with a decrease in humidity to 51%. For more details about the weather conditions in January, check out Ranchi weather in January.
In December, the weather is generally milder, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F) and an average of 16°C (62°F). The month sees approximately 24 mm (1.0 in) of precipitation over 2 days and maintains a humidity level of 65%. In contrast, February experiences warmer temperatures, with minimums of 7°C (45°F) and maximums reaching up to 33°C (92°F), averaging around 19°C (67°F). Despite having slightly less precipitation at 18 mm (0.7 in) over 3 days, February enjoys a noticeably lower humidity of 40%. For more specific details about February weather, check out Ranchi weather in February.
December and March present distinct weather contrasts. In December, temperatures range from a minimum of 6°C (43°F) to a comfortable average of 16°C (62°F), peaking at 28°C (82°F), accompanied by relatively low humidity at 65% and light precipitation of 24 mm (1.0 in) over just 2 days. In contrast, March experiences warmer conditions with minimum temperatures of 12°C (53°F) and an average of 24°C (76°F), soaring up to a maximum of 39°C (103°F). The month also sees increased precipitation at 35 mm (1.4 in) spread over 5 days, alongside significantly lower humidity at 27%. For a more detailed view of March weather specifics, visit Ranchi weather in March.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F), featuring an average of 16°C (62°F). The month experiences relatively low humidity at 65% and limited precipitation, averaging 24 mm (1.0 in) over just 2 days. In contrast, April sees a significant rise in temperature, with a minimum of 17°C (63°F) and a scorching maximum reaching 42°C (107°F), making the average a warm 29°C (84°F). The humidity drops considerably to 22%, and the month sees more rain, with a total precipitation of 39 mm (1.5 in) across about 6 days. For more details on April weather specifics, you can check this link: Ranchi weather in April.
December and May exhibit strikingly different weather patterns. In December, temperatures are milder, with a minimum of 6°C (43°F) and an average of 16°C (62°F), while the maximum reaches a comfortable 28°C (82°F). The month sees relatively low precipitation, averaging just 24 mm (1.0 in) over two days, along with a humidity level of 65%.
In contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 19°C (66°F) to a scorching maximum of 42°C (107°F) and an average of 29°C (85°F). This month is characterized by significantly higher precipitation, totaling 86 mm (3.4 in) across 11 days, and a drop in humidity to 41%. For a closer look at Ranchi's weather during this time, check out Ranchi weather in May.
December and June present stark contrasts in weather conditions. December boasts a milder climate with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F), along with relatively low precipitation of 24 mm (1.0 in) over just 2 days and a humidity level of 65%. In contrast, June experiences significantly warmer temperatures, with a minimum of 21°C (71°F), an average of 28°C (83°F), and peaks reaching up to 42°C (108°F). The month is also much wetter, with a total precipitation of 219 mm (8.6 in) over 22 days, along with lower humidity levels at 56%. For a more detailed look at the climate, check out Ranchi weather in June.
December and July present stark contrasts in weather patterns. In December, temperatures range from a pleasant minimum of 6°C (43°F) to a maximum of 28°C (82°F), with an average of 16°C (62°F). The month sees relatively low precipitation of 24 mm (1.0 in) over just 2 days and a humidity level of 65%. Conversely, July experiences much warmer temperatures, with a minimum of 22°C (72°F) and a maximum soaring to 34°C (94°F), averaging around 26°C (80°F). July is characterized by significantly higher rainfall, receiving 329 mm (13.0 in) across 29 days, and humidity levels rise to 83%. For more detailed insights, you can check out Ranchi weather in July.
When comparing the weather in December and August, the differences are quite striking. December experiences milder temperatures, with averages ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F), while August is much warmer, with temperatures typically between 22°C (73°F) and 33°C (91°F). Precipitation also varies significantly; December has relatively low rainfall at 24 mm (1.0 in) over just 2 days, whereas August is characterized by heavy rainfall, totaling 372 mm (14.6 in) over 30 days. Moreover, humidity levels are higher in August, averaging 86%, compared to December’s 65%. For more detailed information, consider checking Ranchi weather in August.
In December, the weather is significantly cooler and drier compared to September. December boasts a minimum temperature of 6°C (43°F) and an average of 16°C (62°F), with maximum temperatures reaching 28°C (82°F). In contrast, September features much warmer temperatures, with a minimum of 21°C (71°F) and an average of 26°C (79°F), climbing to a maximum of 32°C (91°F). Additionally, December experiences only 24 mm (1.0 in) of precipitation over just 2 days, while September sees a much wetter climate with 236 mm (9.3 in) of rainfall spread across 24 days. This results in higher humidity levels in September at 85%, compared to 65% in December. For more detailed information, you can check Ranchi weather in September.
The weather in December is generally milder compared to October, with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (82°F), whereas October experiences warmer temperatures, with a low of 15°C (59°F) and reaching up to 32°C (91°F). Additionally, December has significantly less precipitation, totaling only 24 mm (1.0 in) over just 2 days, in stark contrast to October's 112 mm (4.4 in) spread out over 12 days. The humidity is also lower in December at 65%, compared to October's higher humidity level of 82%. For more details about October weather in Ranchi, you can visit Ranchi weather in October.
In comparing the weather between December and November, we see a noticeable drop in minimum temperatures from November's 11°C (52°F) to December's 6°C (43°F). The average temperature also declines slightly from November's 20°C (69°F) to 16°C (62°F), while the maximum temperatures remain close, with November peaking at 30°C (87°F) compared to December's 28°C (82°F). Precipitation is minimal in both months, but December sees a slight increase, with 24 mm (1.0 in) over 2 days, while November only experiences 8 mm (0.3 in) over 1 day. Humidity is slightly lower in December at 65% compared to 72% in November. For more details on November weather, check out Ranchi weather in November.
As December unfolds in Ranchi, the weather shifts to a delightful coolness, offering a refreshing contrast to the warmer months. With temperatures averaging around 16°C, this month provides a comfortable ambiance, ideal for outdoor activities and exploration. The lower humidity at 65% and minimal precipitation—only 24 mm across just two days—further enhances the pleasant atmosphere, allowing residents and visitors alike to enjoy the clear skies and crisp air. This shift truly marks December as a month of transition, perfect for experiencing Ranchi’s vibrant culture in a more temperate setting. For a deeper dive into the city’s overall climate, visit Ranchi Climate.