Last updated: August 21, 2025
December in Mumbai presents a delightful blend of moderate temperatures and a touch of winter charm. With a maximum of 32°C (91°F) during the day and an average of 25°C (77°F), the month offers warm yet pleasant weather. Evening lows can drop to a minimum of 16°C (61°F), providing a refreshing respite. While the city sees a modest precipitation of 20 mm (0.8 in) over just 2 days, humidity levels hover around 70%, adding a hint of tropical allure. Overall, December is an ideal time to explore the vibrant culture of Mumbai, as the comfortable climate sets the stage for outdoor activities and festive celebrations.
December in Mumbai ushers in a delightful transition as temperatures cool slightly, making it one of the most pleasant months of the year. With minimum temperatures averaging around 16°C (61°F), the city experiences a refreshing onset of winter, while average daytime highs reach a comfortable 32°C (91°F). This period stands out as temperatures drop from the warmer months where January to February usually showcase higher figures, peaking in March with intense heat. Overall, December's climate offers a perfect balance for locals and tourists alike, with evenings becoming especially inviting—ideal for exploring the vibrant street life of this bustling metropolis. Soak in the warm sunshine during the day and enjoy cooler nights, making it a great time to experience all that Mumbai has to offer.
In December, Mumbai experiences a noticeable shift in its precipitation patterns, marking the tail end of the monsoon season. With 20 mm of rainfall spread over just 2 days, the month is relatively dry compared to the intense deluge of previous months, such as July and August, where rainfall exceeded 600 mm. This subdued precipitation is a stark contrast to the earlier part of the year, which saw virtually no rain from February to April. The seasonal transition signals the arrival of cooler, drier air, making December a refreshing period for residents after the heavy rains of the monsoon.
In December, Mumbai experiences a notable shift in humidity levels as the monsoon recedes, with an average humidity of 70%. This marks a significant drop from the peak months of July and August, where humidity levels soared to 89% and 92% respectively. As the year winds down, humidity begins to decline from the previous months, particularly November, which recorded 77%. Interestingly, this month's humidity is on par with May, reflecting the city’s transition from the heavy rains of the monsoon to the drier winter season. Overall, December offers a respite from the sweltering humidity of the preceding months, creating a more comfortable atmosphere for both locals and visitors alike.
In December, Mumbai experiences a UV Index of 7, placing it in the high exposure category with a burn time of 25 minutes. This marks a notable dip from the extreme indices observed in the summer months of June through September, where the UV levels peaked at 13. As the year wraps up, the UV Index in December mirrors the trends seen in November, both offering more moderate exposure than earlier in the year. However, it's crucial for residents and visitors to remain vigilant and incorporate sun protection measures, particularly during peak hours. For further details on UV levels throughout the year, check the Mumbai UV Index.
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As the year winds down, December in Mumbai offers a delightful embrace of warmth and sunshine, boasting approximately 300 hours of daylight. This month continues the trend of abundant sunlight, particularly following the intense brightness of May, which recorded a peak of 361 hours. Interestingly, the last quarter of the year, from October to December, maintains a commendable consistency in sunshine, with hours hovering around the 300-hour mark. This stability stands in contrast to the earlier monsoon months of July and August, which see a significant dip in sunlight, dropping to just 203 and 223 hours respectively. Overall, December stands as a celebration of the sun's return, a chance to savor the perfect balance between warmth and coolness before the year draws to a close.
In December, Mumbai enjoys a 67% chance of sunny weather, making it a delightful time to experience the city’s vibrant atmosphere. As the year progresses, the likelihood of sunny days exhibits a clear decline during the monsoon months of June to August, where the chances drop drastically to single digits. Post-monsoon, the sun begins to re-emerge, gradually increasing through October and November. By December, the return of sunnier skies marks the transition towards the dry season, allowing locals and tourists alike to bask in pleasant temperatures and enjoy outdoor activities. This trend highlights December as a well-timed choice for those seeking to escape the gloomy monsoon weather of previous months.
In Mumbai, the daylight duration experiences a captivating rhythm throughout the year. Kicking off with a steady 11 hours in both January and February, the days gradually elongate, peaking at 13 hours from May to July, showcasing the city's vibrant summer. As the monsoon fades, daylight begins to dwindle, slightly retracting to 12 hours in August and September. The gradual descent continues into autumn and winter, with daylight dipping down to 11 hours in October and November, before reaching its shortest at 10 hours in December. This cyclical pattern highlights the changing seasons and offers a fascinating glimpse into the dynamic interplay between light and nature in this bustling metropolis.
As December settles in Mumbai, the average wind speed gently hovers around 2.6 m/s (6 mph), showing a slight decline from November's 2.4 m/s. This transitional month marks the tail end of the monsoon season, where the winds begin to soften after a summer of higher velocities. Observing the year, a clear trend emerges: as the temperature rises from the cooler months of January through April, wind speeds typically peak during the monsoon in July at 4.6 m/s (10 mph). Following this climatic climax, the winds gradually retreat, aligning with the city's shift toward the cooler, more pleasant winter atmosphere. This rhythmic ebb and flow of winds showcases Mumbai's unique climatic tapestry—where even a gentle breeze can carry stories of transformation.
Weather in Mumbai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mumbai, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterized by slightly warmer temperatures, with averages around 25°C (77°F), and a maximum of 32°C (91°F). This month also sees some precipitation, with 20 mm (0.8 in) falling over 2 days, and humidity levels averaging 70%. In contrast, January experiences a marginally cooler climate, with an average temperature of 24°C (75°F) and a maximum of 33°C (91°F). Notably, January is much drier, receiving just 1 mm (0.0 in) of precipitation on no days, and the humidity drops to 53%. For a detailed look at weather trends during this month, you can visit Mumbai weather in January.
December and February exhibit distinct weather characteristics despite having similar average temperatures. In December, the minimum temperature is slightly higher at 16°C (61°F), while February sees a cooler minimum of 14°C (58°F). February experiences a higher maximum temperature of 34°C (94°F) compared to December's 32°C (91°F). Notably, February is drier with no recorded precipitation, whereas December receives 20 mm (0.8 in) of rain over two days. Additionally, humidity levels are significantly lower in February at 41%, compared to December's 70%, resulting in a more comfortable atmosphere in February. For more detailed insights, you can check Mumbai weather in February.
In December, the weather is typically warm, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (91°F), accompanied by a moderate humidity level of 70% and occasional rainfall totaling 20 mm over two days. In contrast, March experiences even warmer conditions, with minimum temperatures of 19°C (66°F) and highs reaching up to 37°C (99°F). Notably, March is much drier, boasting zero precipitation and significantly lower humidity at 37%. This shift marks a clear transition from the end of the rainy season to the hotter, drier period of the year. For more detailed information, you can check Mumbai weather in March.
December and April exhibit significant differences in weather patterns. In December, temperatures range from a minimum of 16°C (61°F) to a maximum of 32°C (91°F) with an average of 25°C (77°F). The month experiences a bit of rainfall, totaling 20 mm (0.8 in) over two days, and maintains a higher humidity level of 70%. In contrast, April sees warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 36°C (98°F), averaging 29°C (84°F). Notably, April is much drier, recording only 1 mm (0.0 in) of precipitation across zero rainy days, and the humidity drops to a comfortable 38%. To learn more about the specific conditions of April, you can visit Mumbai weather in April.
December and May exhibit distinct weather patterns, reflecting the transition from the cooler end of the year to the warmer onset of summer. In December, temperatures range from a mild minimum of 16°C (61°F) to a comfortable average of 25°C (77°F), peaking at 32°C (91°F). The month sees relatively low precipitation at 20 mm (0.8 in) over just 2 days, with humidity levels around 70%. In contrast, May experiences higher temperatures, with a minimum of 25°C (77°F) and an average of 30°C (86°F), climbing to a maximum of 35°C (95°F). This month witnesses increased rainfall totaling 34 mm (1.4 in) across 3 days and significantly lower humidity at 53%. For further details, you can explore Mumbai weather in May.
When comparing the weather in December and June, notable differences emerge. December typically experiences milder temperatures, with a minimum of 16°C (61°F) and an average of 25°C (77°F), while June is significantly warmer, boasting a minimum of 25°C (78°F) and an average of 28°C (83°F). Rainfall is also a major contrast; December sees only 20 mm (0.8 in) of precipitation over just 2 days, whereas June can be quite rainy, with a staggering 342 mm (13.5 in) spread across 27 days. Humidity levels remain consistent at 70% for both months. For more detailed information, you can visit Mumbai weather in June.
December and July represent contrasting weather patterns. In December, temperatures range from a mild minimum of 16°C (61°F) to a pleasant average of 25°C (77°F), with maximums reaching 32°C (91°F). The month experiences low precipitation levels of just 20 mm (0.8 in) and typically sees rain on only 2 days, accompanied by a humidity level of 70%. In stark contrast, July is characterized by significantly higher humidity at 89% and an average temperature of 27°C (81°F), with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (89°F). The month is notoriously rainy, with an astounding total of 652 mm (25.7 in) of precipitation spread over nearly every day of the month, logging rain on 31 days. For more detailed information, check out Mumbai weather in July.
In December, the weather is pleasantly warm, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (91°F) and an average of 25°C (77°F). This month sees relatively low precipitation, totaling about 20 mm (0.8 inches) over just 2 days, and a comfortable humidity level of 70%. In contrast, August experiences significantly warmer nights, with minimum temperatures around 24°C (76°F) and an average of 27°C (80°F). However, it also brings heavy rainfall, with a staggering 608 mm (24.0 inches) of precipitation over 31 days, resulting in high humidity levels of 92%. For more detailed information, check out Mumbai weather in August.
In December, the weather in the region is notably warm, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (91°F) and an average of 25°C (77°F). The month sees minimal precipitation, with only 20 mm (0.8 in) over two days, and a relative humidity of 70%. In contrast, September experiences much higher humidity at 88%, along with significantly more rainfall, totaling 476 mm (18.7 in) spread across 27 days. The temperatures in September are also warmer, with a minimum of 24°C (75°F) and an average of 27°C (81°F), reaching up to 32°C (90°F). This stark difference highlights the transition from the rainy season in September to the drier heat of December. For more details, visit Mumbai weather in September.
In comparing the weather between December and October, December tends to be milder, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (91°F) and an average of 25°C (77°F). This month experiences significantly less rainfall, with only 20 mm (0.8 in) over just two days and a humidity level of 70%. In contrast, October is warmer, featuring temperatures that range from a minimum of 22°C (71°F) to a maximum of 35°C (95°F), with an average of 28°C (83°F). The month sees much higher precipitation, totaling 91 mm (3.6 in) across 13 days, along with a higher humidity level of 82%. For more detailed information, you can check out Mumbai weather in October.
In comparing the weather of December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 32°C (91°F), while November sees higher average temperatures, with a minimum of 18°C (66°F) and a maximum of 34°C (94°F). Additionally, December experiences a bit more precipitation, totaling 20 mm (0.8 in) over 2 days, compared to November's 12 mm (0.5 in) over just 1 day. Humidity also decreases in December to 70%, down from November's higher level of 77%. For more detailed information, you can visit Mumbai weather in November.
As December unfolds in Mumbai, the weather marks a delightful transition, characterized by moderate warmth and a refreshing coolness. With average temperatures settling around 25°C (77°F), the month stands out from the sultry, humid summer months, offering a more pleasant ambiance. The humidity levels hover around 70%, but the occasional light rain, totaling about 20 mm over just two days, adds a touch of crispness to the otherwise balmy air. This perfect blend of mild temperatures and lower precipitation makes December an ideal time to explore the vibrant city. For a deeper dive into Mumbai's weather patterns, check out Mumbai Climate.