Last updated: August 21, 2025
In December, Tiruchirappalli, India experiences a tropical climate characterized by average temperatures around 26°C (79°F), with peaks reaching 33°C (91°F) during the day. The weather is comfortably warm, though nights can cool down to a minimum of 20°C (68°F). This month also sees a significant precipitation total of 112 mm (4.4 in), spread over 10 days, contributing to an overall humidity level of 83%. While the rains may disrupt outdoor plans, the lush, vibrant surroundings highlight the region's beauty, making December a unique time to embrace the enchanting atmosphere of Tiruchirappalli.
In December, Tiruchirappalli experiences a gentle transition into cooler temperatures, with minimums averaging around 20°C (68°F) and maximums peaking at 33°C (91°F). As the year winds down, the average temperature settles at a comfortable 26°C (79°F), offering a pleasant respite from the preceding months' heat. This month marks a significant drop from the sweltering high of 42°C (108°F) seen during the peak summer months, providing a more inviting climate for outdoor activities and exploration. With warm days and cooler nights, December in Tiruchirappalli is ideal for enjoying the vibrant local culture and festivities without the overwhelming heat of earlier months.
December marks a significant transition in precipitation for Tiruchirappalli, India, receiving 112 mm (4.4 in) of rainfall over 10 days. This month continues the trend of high rainfall observed since the onset of the monsoon season, though it notably decreases from November's 212 mm (8.4 in) peak. The rainfall is indicative of the region’s post-monsoon pattern, where the rainy days become fewer while still contributing substantially to the overall annual total. The steady precipitation throughout the year highlights the consistency of the wet season in this part of India, with December serving as a reminder that the rainfall, though tapering off, is still a critical part of the climate transition into the cooler months.
As December approaches in Tiruchirappalli, the humidity levels remain notably high, averaging 83%—a consistent trait for this time of year. Following a gradual increase from 72% in January to a peak of 88% in November, December experiences a slight dip yet retains significant moisture in the air. The trend reveals a pattern of increasing humidity throughout the latter part of the year, intertwined with the monsoon season, peaking in October and November. This lingering humidity in December suggests a continuation of the wet conditions typical of the region, making it a distinct transition into the cooler dry season that follows, while still feeling quite muggy for locals and visitors alike.
In December, Tiruchirappalli experiences a UV Index of 9, categorized as very high, with a burn time of 15 minutes. This marks a slight decrease from the extreme levels seen throughout the previous months, where values consistently hovered between 11 to 15. Notably, from January to November, the region was subject to an extreme exposure category, with burn times sharply reduced to just 10 minutes. Despite the lower UV levels in December, residents and visitors should remain cautious and protect their skin when outdoors. For detailed insights and forecast on UV exposure, check the Tiruchirappalli UV Index.
UV Risk Categories
December in Tiruchirappalli, India offers a delightful continuation of the city’s abundant sunshine, averaging 277 hours of sunlight. As the year draws to a close, the sun-kissed days of December are slightly less radiant compared to the preceding months, but they still outshine November's 247 hours significantly. Notably, the city experiences its brightest months in the early spring, particularly March and May, with both exceeding 340 hours. The consistent pattern of abundant sunshine from January to May sets a warm, vibrant tone for the season, gradually tapering off as the monsoon months arrive. Nevertheless, December maintains a merry charm, inviting residents and visitors alike to bask in the pleasant warmth as they revel in the holiday spirit.
December in Tiruchirappalli, India, sees a notable uptick in sunny weather, with a 56% chance of sunshine. This is a significant shift compared to the gloomy November, which offers merely a 5% likelihood of clear skies. As the year winds down, the chances of sun become more favorable compared to the preceding months, particularly the rainy spell from June to October, where sunny days dropped as low as 10%. Overall, December manages to strike a balance, presenting brighter prospects for outdoor activities amid the cooler temperatures, making it an appealing time for both residents and visitors.
In Tiruchirappalli, India, December marks the end of a year characterized by a gradual transition in daylight durations. The city experiences 11 hours of daylight, consistent with January and February, showcasing a slight dip from the 12 hours experienced during the vibrant months from March to September. This trend indicates a return to shorter days as winter approaches. Interestingly, the daylight hours remain reliable throughout the year, with only minor fluctuations, reflecting the region’s tropical climate. As the year wraps up, residents can enjoy the steady rhythm of daylight that defines their daily lives, while anticipating the longer days that spring will soon bring.
In December, Tiruchirappalli experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), offering a subtle yet refreshing contrast to the busier summer months. Throughout the year, wind speeds typically fluctuate, peaking in the monsoon season of July at 4.1 m/s (9 mph), as the winds pick up alongside the rains. Notably, the transition from the sweltering heat of summer to the cooler winter months is marked by a slight increase in wind speeds from January to May, where it averages around 2.9 m/s (6 mph). As the year winds down, December's breezy conditions mildly reflect the prevailing low speeds observed near the start of the year, showcasing Tiruchirappalli's dynamic coastal climate while balancing comfort with the whispers of the winter wind.
Weather in Tiruchirappalli varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tiruchirappalli, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather presents a warm profile with minimum temperatures around 20°C (68°F) and maximums reaching up to 33°C (91°F), along with considerable humidity at 83%. This month experiences frequent rainfall, totaling 112 mm (4.4 in) over approximately 10 days. In contrast, January sees slightly cooler minimum temperatures of 19°C (66°F) and higher maximums at 35°C (95°F). The month is characterized by less precipitation, with only 41 mm (1.6 in) falling over just 4 days and a notable drop in humidity to 72%. This shift results in a drier and slightly hotter January compared to December. For more details, you can check out Tiruchirappalli weather in January.
December and February present contrasting weather conditions. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F). The month is characterized by significant precipitation, totaling 112 mm (4.4 in) over about 10 days, accompanied by high humidity levels at 83%. In contrast, February offers slightly warmer temperatures, with a minimum of 18°C (64°F) and a maximum of 37°C (99°F), averaging around 27°C (81°F). Notably, February is much drier, receiving only 4 mm (0.2 in) of rain over just one day, and the humidity drops to a more comfortable 62%. For a more detailed look at February weather, visit Tiruchirappalli weather in February.
In December, the weather in Tiruchirappalli is characterized by milder temperatures, with a minimum of 20°C (68°F) and a maximum reaching 33°C (91°F). The month sees considerable precipitation, averaging 112 mm (4.4 in) over about 10 days, coupled with high humidity levels at 83%. In contrast, March experiences significantly warmer conditions, with average temperatures soaring to 30°C (86°F) and a maximum that can climb up to 40°C (104°F). Rainfall is minimal, totaling just 16 mm (0.6 in) over approximately 3 days, and the humidity drops to a more comfortable 57%. For detailed insights about March weather, you can visit Tiruchirappalli weather in March.
In December, the weather is characterized by milder temperatures, with minimums around 20°C (68°F) and average highs of 33°C (91°F). The month sees considerable rainfall, with 112 mm (4.4 in) of precipitation over approximately 10 days, contributing to a high humidity level of 83%. In contrast, April brings hotter conditions, featuring minimum temperatures of 24°C (75°F) and peak highs reaching a scorching 41°C (107°F). The precipitation drops significantly to only 16 mm (0.6 in) over about 4 days, resulting in a more comfortable humidity level of 56%. For more details, you can check Tiruchirappalli weather in April.
In December, the weather is characterized by milder temperatures with a minimum of 20°C (68°F) and an average of 26°C (79°F), peaking at a maximum of 33°C (91°F). The humidity is quite high at 83%, and the month sees significant precipitation, totaling 112 mm (4.4 in) over approximately 10 days. In contrast, May brings hotter conditions, with temperatures ranging from a minimum of 26°C (79°F) to a scorching maximum of 42°C (108°F) and an average of 32°C (91°F). The humidity drops to 64%, and precipitation is considerably less at 42 mm (1.7 in) over the same number of days. For more detailed information, check out Tiruchirappalli weather in May.
In December, the weather is generally milder with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F) and an average of 26°C (79°F). The month experiences higher precipitation, totaling 112 mm (4.4 in) over approximately 10 days, accompanied by a humidity level of 83%. In contrast, June sees significantly warmer temperatures, with a minimum of 26°C (78°F) and a peak reaching up to 42°C (107°F), averaging 32°C (90°F). Rainfall is relatively lower in June at 50 mm (2.0 in) over 9 days, and the humidity is also lower at 71%. For more detailed weather information, you can check Tiruchirappalli weather in June.
In December, the weather in Tiruchirappalli is characterized by milder temperatures, with a minimum of 20°C (68°F) and an average of 26°C (79°F), peaking at a maximum of 33°C (91°F). This month experiences higher precipitation levels, totaling 112 mm (4.4 in) over about 10 days, and a humidity rate of 83%, contributing to a relatively muggy atmosphere.
In contrast, July brings warmer conditions, with minimum temperatures reaching 25°C (77°F) and averaging 31°C (89°F), occasionally soaring to 40°C (104°F). Although precipitation is lower at 61 mm (2.4 in), it spans approximately 12 days, and the humidity drops to 64%, which can make the heat feel more intense. For more details, check Tiruchirappalli weather in July.
In December, the weather in Tiruchirappalli features temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F). During this month, the region experiences significant humidity at 83% and receives about 112 mm (4.4 in) of precipitation on approximately 10 days. In contrast, August is hotter with minimum temperatures of 24°C (76°F) and maximums reaching up to 40°C (105°F), averaging 31°C (88°F). Despite having fewer total rainfall at 81 mm (3.2 in) over about 13 days, eight significant impacts are felt due to lower humidity levels of 69%. For a closer look at August weather specifics, feel free to explore Tiruchirappalli weather in August.
In December, the weather tends to be milder with minimum temperatures around 20°C (68°F) and an average of 26°C (79°F), compared to September, where the minimum temperature is higher at 24°C (76°F) and averages 30°C (86°F). September experiences maximum temperatures that can soar up to 39°C (102°F), significantly warmer than December's peak of 33°C (91°F). Precipitation is also more frequent in September, occurring on 18 days with a total of 127 mm (5.0 in), while December sees rainfall on only 10 days with a total of 112 mm (4.4 in). Despite the higher rainfall in September, the humidity is slightly lower at 76% compared to December's humidity level of 83%. For a detailed comparison, Tiruchirappalli weather in September provides further insights.
In comparing the weather of December and October, December presents slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 26°C (79°F), compared to October's higher minimum of 23°C (74°F) and average of 29°C (85°F). Despite December being cooler, October can be notably hotter, reaching a maximum of 38°C (101°F), whereas December peaks at 33°C (91°F). Precipitation is more frequent in October, with 143 mm (5.6 in) over 20 days, compared to December's 112 mm (4.4 in) over 10 days. Humidity remains relatively high in both months, although slightly higher in October at 87% versus December's 83%. For more details on the conditions in October, visit Tiruchirappalli weather in October.
In comparing the weather between December and November, December tends to be slightly cooler, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), while November showcases warmer conditions, with temperatures reaching up to 37°C (99°F). Additionally, December experiences less precipitation, totaling 112 mm (4.4 in) over 10 days compared to November's 212 mm (8.4 in) spread across 21 days. Humidity levels are also slightly lower in December at 83%, compared to November's 88%. For a more detailed look at November's weather in Tiruchirappalli, visit Tiruchirappalli weather in November.
As December arrives in Tiruchirappalli, the weather shifts to a more comfortable and refreshing climate, making it an inviting time for visitors and locals alike. With average temperatures settling around a mild 26°C, the city's weather contrasts nicely with the hotter months preceding it. This month sees increased humidity levels at 83%, and precipitation becomes more frequent, with rain gracing about 10 days and totaling 112 mm. These conditions create a pleasant balance between warmth and moisture, setting December apart as a time of transition and revitalization. For more insights on what to expect from the climate throughout the year, explore Tiruchirappalli Climate.