Last updated: August 21, 2025
In December, Mandapam, India, experiences a temperate climate with an average temperature of 26°C (79°F), peaking at a maximum of 28°C (84°F) and dipping to a comfortable 24°C (75°F) during the nights. This month is characterized by significant precipitation, totaling 245 mm (9.6 in) over approximately 19 days, leading to a lush environment. Coupled with a high humidity level of 85%, the weather creates a vibrant and refreshing atmosphere, making it a unique time to experience the beauty of this coastal region.
In Mandapam, India, December marks a subtle transition as temperatures begin to cool slightly, yet remain comfortably warm. With minimum temperatures around 24°C (75°F) and averages hovering at 26°C (79°F), this month offers a pleasant clime. The maximum temperatures peak at 28°C (84°F), creating a delightful balance between warmth and coolness. This ongoing trend of mild and moderate temperatures is consistent throughout late autumn, making December an enticing choice for travelers seeking to enjoy the natural beauty and cultural richness of this coastal town. The overall climate doesn't stray much from earlier months, maintaining a welcoming atmosphere that encourages exploration and adventure.
In December, Mandapam experiences a significant dip in precipitation, receiving 245 mm (9.6 inches), which is notably less than the preceding month of November at 450 mm (17.7 inches). However, December still stands out as one of the wetter months, with 19 days of rainfall, maintaining the trend of increased precipitation throughout the fall. This month marks a transition from the peak monsoon season, observed in October and November, to comparatively drier months that follow. As the year winds down, the showers in December reflect a continued balance of moisture, contributing to the region’s unique climate and enhancing its lush landscapes.
In Mandapam, India, December experiences a notable humidity level of 85%, positioning it among the high-humidity months of the year. This figure reflects a slight decrease from the peak humidity observed in August, which sits at 87%. Following the dry spell of the early months, where humidity levels hover around 69% from February to April, the atmosphere shifts significantly, culminating in the tropical humidity typical of the monsoon months. As the year draws to a close, December’s humidity remains high, indicating a transition period as residents prepare for the cooler, though still humid, winter months ahead. The prevailing trends highlight a consistent pattern of high humidity, especially from June to December, creating a unique climate that shapes the local environment and lifestyle.
As the year draws to a close, December in Mandapam, India, sees a UV Index of 10, marking a transition to a very high exposure category. While still necessitating sunscreen and protection, this slight decrease from the extreme levels reached in previous months—where indices soared between 11 to 14—means that sun-seekers can now enjoy up to 15 minutes of unprotected sun exposure. The consistent trend of extreme UV levels from January through November highlights the region's intense sun, making it essential for both locals and visitors to remain vigilant about sun safety year-round. For detailed insights and daily updates, check out Mandapam UV Index.
UV Risk Categories
December in Mandapam, India, showcases a delightful embrace of sunshine, delivering 302 hours of brilliant daylight. As the year winds down, the sun shines generously in comparison to the preceding months. January begins with a modest 266 hours, gradually building through February and March, ultimately reaching a peak in May with 347 hours. Following this sunny high, the later months maintain a consistent brightness, with July and August showcasing 339 and 325 hours, respectively. Although November dips down to 268 hours, December’s 302 hours marks a cheerful rebound, making it a charming time to soak up the final rays of the year. This trend illustrates Mandapam’s rich and vibrant sunshine, inviting both residents and travelers to revel in its warm glow during this festive season.
December in Mandapam presents a notable shift in weather patterns, offering a 57% chance of sunny days. As the year closes, this likelihood is a significant improvement compared to the gloomy months of August and September, where sunshine was scarce, dipping as low as 9%. Following a modest dip in November with only a 12% chance of sunshine, December emerges as a bright spot, reflecting a trend towards more favorable weather. This resurgence of sunny conditions aligns closely with similar percentages observed in the late winter months of January and February, hinting at a transition into milder and more pleasant weather as the year wraps up.
In Mandapam, India, the daylight duration exhibits a subtle yet distinct seasonal rhythm. Throughout the year, daylight typically spans from 11 hours in December, January, and February to a peak of 12 hours from March to September. This consistent daylight pattern reflects a shift into longer days as spring approaches, with the duration stabilizing at a generous 12 hours for six months. As autumn arrives in October and November, daylight gradually retreats back to 11 hours. By December, the cycle closes, marking the return to shorter days, yet with a reassuring consistency that characterizes this coastal region's enchanting climate.
As December settles in Mandapam, the wind begins to carry the crisp whispers of winter, with an average speed of 6.6 m/s (15 mph). This month reflects a notable uptick in wind strength compared to the gentle breezes of November, which hovered at 5.3 m/s (12 mph). The trend throughout the year showcases a gradual ebb and flow: after peaking in June at 7.0 m/s (16 mph), the winds started to soften, yet December's arrival signifies a refreshing resurgence as the temperatures drop. This lively December breeze encapsulates the unique charm of Mandapam, inviting residents and visitors alike to embrace the invigorating change in the air.
Weather in Mandapam varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mandapam, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January exhibit quite similar temperatures, both maintaining a minimum of 24°C (75°F), an average of 26°C (79°F), and a maximum of around 28°C (83-84°F). However, the weather patterns differ significantly in terms of precipitation and humidity. December experiences higher rainfall, accumulating 245 mm (9.6 in) over 19 days, resulting in a humidity level of 85%. In contrast, January sees a marked decrease in rainfall to 108 mm (4.3 in) over just 8 days, coupled with lower humidity at 76%. This shift makes January generally drier and less humid compared to December. For a more detailed look at January's weather, you can visit Mandapam weather in January.
In comparing December and February weather, we observe that both months have similar temperature profiles, with minimum temperatures around 24°C (75°F), average temperatures at 26°C (79°F), and maximum temperatures reaching 28°C (83-84°F). However, December experiences significantly more precipitation, with 245 mm (9.6 in) over 19 days, contributing to a higher humidity level of 85%. In contrast, February sees a dramatic decrease in rainfall, receiving only 19 mm (0.8 in) over just 5 days, which leads to a more comfortable humidity level of 69%. This transition makes February a drier and less humid month compared to December. For a closer look at the specifics of February weather, you can check Mandapam weather in February.
December and March showcase distinct weather patterns, highlighting the transition from the rainy end of the year to the drier beginning of spring. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (84°F), accompanied by significant rainfall of 245 mm (9.6 in) over 19 days, resulting in high humidity levels at 85%. Conversely, March presents slightly warmer temperatures, with averages reaching a minimum of 25°C (77°F) and a maximum of 30°C (86°F). Rainfall dramatically decreases to 31 mm (1.2 in) over just 7 days, and humidity drops to a more comfortable 69%. For those seeking details about the climate during this time, additional information can be found in the link Mandapam weather in March.
In December, the weather is characterized by cooler temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 28°C (84°F), with an average of 26°C (79°F). This month also experiences significant rainfall, with precipitation totaling 245 mm (9.6 in) over 19 days, resulting in a high humidity level of 85%. In contrast, April sees warmer conditions, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 31°C (88°F) and an average of 29°C (84°F). Precipitation is notably lower in April, totaling only 42 mm (1.7 in) over just 8 days, and the humidity drops to 69%. For more detailed information about the weather in April, you can check Mandapam weather in April.
December and May present contrasting weather conditions. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (84°F), with an average of 26°C (79°F). This month experiences significant rainfall, with about 245 mm (9.6 in) of precipitation over 19 days, accompanied by high humidity levels around 85%. In stark contrast, May sees warmer temperatures, with a minimum of 26°C (79°F) and a maximum reaching 33°C (91°F), averaging 29°C (85°F). Rainfall is much lighter in May, totaling only 43 mm (1.7 in) over just 9 days, and humidity drops to 76%. For more detailed information, you can check Mandapam weather in May.
December and June present notable contrasts in weather patterns. In December, temperatures are milder with a minimum of 24°C (75°F) and an average of 26°C (79°F), reaching a maximum of 28°C (84°F). However, this month is characterized by significant rainfall, receiving 245 mm (9.6 in) over 19 days, coupled with high humidity at 85%. In contrast, June features warmer temperatures, with a minimum of 26°C (79°F) and a higher average of 29°C (85°F), peaking at 31°C (89°F). Rainfall during June is considerably light, with only 8 mm (0.3 in) over just 1 day, and humidity is slightly lower at 82%. For more detailed insights, refer to Mandapam weather in June.
In December, the weather is characterized by warm temperatures, ranging from a minimum of 24°C (75°F) to a maximum of 28°C (84°F), with an average of 26°C (79°F). This month sees significant precipitation, with 245 mm (9.6 in) spread over 19 days, contributing to a high humidity level of 85%. In contrast, July experiences slightly higher temperatures, with a minimum of 26°C (80°F), an average of 29°C (84°F), and a maximum of 31°C (89°F). However, it is considerably drier, receiving only 12 mm (0.5 in) of rain over just 3 days, and maintaining a similar humidity level of 83%. For more detailed insights, you can check Mandapam weather in July.
When comparing the weather in December and August, we observe distinct differences in temperature and precipitation. December experiences slightly cooler temperatures, with a minimum of 24°C (75°F) and an average of 26°C (79°F), while August is warmer, with a minimum of 26°C (79°F) and an average of 28°C (83°F). In terms of precipitation, December is notably wetter, receiving 245 mm (9.6 in) over 19 days, whereas August sees minimal rainfall of just 25 mm (1.0 in) across 4 days. The humidity levels remain relatively high in both months, with December at 85% and August slightly higher at 87%. For more detailed insights, you can check the Mandapam weather in August.
December weather is generally cooler than September, with minimum temperatures dropping to 24°C (75°F), as opposed to September's 26°C (78°F). The average temperatures in December hover around 26°C (79°F), while September sees a slightly warmer average of 28°C (83°F). Rainfall significantly differs between the two months; December experiences heavy precipitation totaling 245 mm (9.6 in) over 19 days, whereas September has much lighter rainfall of only 48 mm (1.9 in) for 9 days. Humidity remains quite similar, with December at 85% and September at 86%. For more detailed insights on September weather, check out Mandapam weather in September.
When comparing the weather between December and October, one can see some notable differences. In December, the temperatures range from a minimum of 24°C (75°F) to a maximum of 28°C (84°F), with an average temperature of 26°C (79°F). Precipitation is somewhat higher in December, with 245 mm (9.6 in) spread over 19 days, and humidity levels hover around 85%. In contrast, October experiences slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (86°F), resulting in an average of 28°C (82°F). While October has slightly lower precipitation at 222 mm (8.8 in) over the same number of rainy days, humidity is marginally higher at 86%. For more detailed insights into October's weather, you can visit Mandapam weather in October.
In comparing the weather of December and November, we can see that December tends to be slightly cooler, with an average temperature of 26°C (79°F) compared to November's 27°C (81°F). While both months experience high humidity levels, December has a marginally lower humidity at 85% versus November's 86%. Precipitation is notably less in December, with 245 mm (9.6 in) over 19 days, as opposed to November's 450 mm (17.7 in) over 24 days. For more detailed information on November weather patterns, refer to Mandapam weather in November.
In December, Mandapam experiences a notable shift in weather compared to the rest of the year, with mild temperatures averaging around 26°C (79°F) and high humidity levels at 85% that create a warm, tropical feel. While the month sees increased rainfall, with approximately 245 mm (9.6 in) spread over 19 days, this makes December one of the wetter months. Travelers seeking a more temperate experience can enjoy the cooler evenings, but should be prepared for occasional showers that contrast sharply with the drier months that precede it. To explore more about what to expect throughout the year, check out Mandapam Climate.