Last updated: August 21, 2025
In December, Thiruthani experiences a mild climate characterized by an average temperature of 25°C (76°F), with daytime highs reaching up to 33°C (91°F) and nighttime lows dipping to 18°C (64°F). This month witnesses 70 mm (2.8 in) of rainfall spread across 8 days, contributing to the region's overall humidity of 85%. December is a refreshing transition as the monsoon recedes, providing a perfect backdrop for exploring the area's natural beauty and cultural heritage.
In December, Thiruthani experiences a delightful transition into the cooler part of its year, showcasing temperatures that range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F). The average temperature settles at a comfortable 25°C (76°F), making it an appealing time for outdoor activities and festivities. Compared to the sweltering heat of the preceding months, December offers a notably milder climate, creating a pleasant environment that encourages both relaxation and exploration. As temperatures dip slightly from the balmy November months, visitors can enjoy a reprieve from the heat while soaking in the area's scenic beauty.
In December, Thiruthani experiences a notable shift in precipitation, with an average rainfall of 70 mm (2.8 in) over approximately 8 days. This marks a significant decrease from the preceding months, particularly November, which recorded a hefty 216 mm (8.5 in). As the year draws to a close, the frequency of heavy downpours seen in the monsoon months gives way to lighter rains, indicating the retreat of the rainy season. Despite the reduction in total rainfall, the December showers provide a refreshing end to the year's climatic patterns, contributing to the region's lush landscapes and supporting the local agriculture as it transitions into the drier months ahead.
In December, Thiruthani experiences a notable humidity level of 85%, a slight decrease from the peak seen in November. This month marks the tail end of a progressively rising trend, with humidity levels ascending from a moderate 73% in January and reaching their zenith in October. As the year winds down, the gradual transition from the drier, cooler months of March and April, with humidity levels of 51% and 50% respectively, makes way for the lingering moisture that characterizes the late monsoon season. The fluctuations throughout the year highlight a distinct pattern: after the dry spells of early spring, humidity steadily climbs, peaking just before the winter months—showing Thiruthani's unique climate tapestry of interplay between dry and humid conditions.
As December arrives in Thiruthani, India, the UV Index slightly dips to 9, marking a shift from the extreme exposure levels experienced throughout the hotter months. With this decrease, the exposure category returns to very high, allowing for a burn time of 15 minutes under the sun—appreciably longer compared to the previous months' 10 minutes. This change signals a gradual transition in weather, yet it's crucial to remain vigilant, as UV rays can still pose significant risks. The year began with a UV Index peak of 10 in January, showcasing a pattern of intense sunshine that has steadily remained prominent until November. As you make outdoor plans this December, remember to check the daily UV forecasts to stay protected. For more detailed information, visit Thiruthani UV Index.
UV Risk Categories
In December, Thiruthani basks in a pleasant ambiance with 294 hours of sunshine, contributing to the warm charm of the region as the year draws to a close. The month showcases a slight dip in sunlight compared to the earlier months of May and March, which shine the brightest with 352 and 344 hours respectively. This downward trend in daylight hours is typical as the year transitions towards winter, yet December holds onto a commendable amount of sunlight. Notably, this month stands out from November, which experienced only 250 hours, revealing a rejuvenating return of sunshine that brightens both the landscape and spirits alike. The consistency in sunlight, particularly evident throughout the year, enhances Thiruthani’s allure, making December an inviting time for both residents and travelers.
In December, Thiruthani, India, experiences a notable increase in sunny weather, with a 59% chance of sun. This marks a significant improvement compared to the preceding months, particularly November, which saw a mere 7% likelihood of clear skies. As the year draws to a close, the trend indicates a return to brighter days following the monsoon season, making December a delightful time for outdoor activities. Interestingly, this month's sunshine forecast is more favorable than in some earlier months like January and May, suggesting that while winter settles in, residents can still enjoy ample sunshine at the end of the year.
In Thiruthani, India, December marks the return to a familiar pattern with 11 hours of daylight, echoing the duration seen in both January and February. As the year transitions from the longer daylight of late spring and summer, which enjoys a consistent 12 hours, the days gradually shorten. This rhythmic ebb and flow illustrates the region's progression through the seasons, where daylight begins to retreat after the vibrant months leading up to October. As the year concludes, Thiruthani experiences a slight dimming, with November and December embracing the longer nights, while anticipating the gradual shift back to longer days in the coming months.
As December arrives in Thiruthani, the air takes on a gentle yet consistent rhythm, characterized by an average wind speed of 2.1 m/s (5 mph). This month mirrors the calm found in both January and February, suggesting a stable transition into the cooler winter season. Interestingly, the wind picks up slightly in the summer months, peaking at 2.9 m/s (7 mph) in June, before gracefully tapering off in the cooler months of October and November. December's winds carry a sense of tranquility, maintaining a steady pace that complements the festive spirit of the season, making it an ideal time for evening strolls and outdoor celebrations.
Weather in Thiruthani varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Thiruthani, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both experience warm temperatures, with December averaging 25°C (76°F) compared to January's slightly cooler average of 24°C (76°F). In December, the minimum temperature is a bit higher at 18°C (64°F), while January sees a minimum of 16°C (62°F). Both months can reach a maximum of 33°C (91°F in December and 92°F in January). However, January has significantly less precipitation, with only 23 mm (0.9 in) over 3 days, while December has 70 mm (2.8 in) over 8 days, making January a drier month. Humidity levels also drop in January to 73%, down from December's higher 85%. For more details, you can visit Thiruthani weather in January.
December and February offer contrasting weather experiences. December sees temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 25°C (76°F). This month is relatively humid, with 85% humidity and approximately 70 mm (2.8 in) of precipitation over about 8 days, making it a wetter time of year. In contrast, February features slightly milder temperatures, with a minimum of 16°C (61°F) and a significant maximum of 37°C (98°F), averaging 26°C (78°F). February is notably drier, receiving only 6 mm (0.2 in) of precipitation throughout the month and experiencing virtually no rainfall. The humidity in February also decreases to 64%, contributing to a more comfortable overall climate. For those interested in more details, check out Thiruthani weather in February.
In December, the weather is relatively mild, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 25°C (76°F). This month also experiences higher humidity levels at 85% and more frequent precipitation, with about 70 mm (2.8 in) falling over 8 days. In contrast, March sees a significant rise in temperature, boasting a maximum of 39°C (102°F) and an average of 29°C (84°F), while the minimum remains similar at 18°C (65°F). The humidity drops to a comfortable 51%, and rainfall is scarce, with only 10 mm (0.4 in) of precipitation over just 2 days. For more details on the weather specifics in March, you can check Thiruthani weather in March.
December and April present contrasting weather patterns. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 25°C (76°F). The month experiences more humid conditions with an average humidity of 85% and approximately 70 mm (2.8 in) of precipitation over 8 days. In contrast, April is significantly hotter, with minimum temperatures at 23°C (74°F), averages reaching 31°C (88°F), and peaks soaring up to 41°C (105°F). This month is drier, with only 6 mm (0.2 in) of rain falling on just 1 day and a lower humidity level of 50%. For more specific details on the weather during this time, you can refer to Thiruthani weather in April.
In December, the weather tends to be milder with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 25°C (76°F). This month sees a fair amount of rainfall, averaging 70 mm (2.8 in) over 8 days, coupled with high humidity levels of 85%. In contrast, May brings significantly hotter conditions, with temperatures ranging from a low of 24°C (76°F) to a blistering high of 42°C (108°F) and an average of 32°C (90°F). Precipitation drops to 21 mm (0.8 in) over just 5 days, and humidity decreases to 62%. For more details on the weather in May, check out Thiruthani weather in May.
December and June present distinctly different weather patterns. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 25°C (76°F) and higher humidity at 85%. The month sees around 70 mm (2.8 in) of precipitation over approximately 8 days. In contrast, June is significantly warmer, featuring a minimum temperature of 25°C (77°F) and reaching up to 41°C (105°F), with an average of 32°C (89°F). This month has a higher total precipitation of 96 mm (3.8 in) spread over about 16 days, but lower humidity at 68%. To learn more about the weather in Thiruthani during June, you can visit Thiruthani weather in June.
December and July exhibit distinctly different weather patterns. In December, temperatures range comfortably from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), with an average of 25°C (76°F). The month receives about 70 mm (2.8 in) of precipitation over 8 days, accompanied by high humidity at 85%. In contrast, July is considerably warmer, with temperatures peaking at 40°C (103°F) and an average of 30°C (87°F), starting from a minimum of 24°C (76°F). Precipitation is significantly higher, reaching 135 mm (5.3 in) over 17 days, yet the humidity is relatively lower at 59%. For more details, you can check Thiruthani weather in July.
In December, the weather tends to be milder, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F) and an average of 25°C (76°F). This month experiences about 70 mm (2.8 in) of precipitation over 8 days, accompanied by high humidity levels of 85%. In contrast, August is significantly warmer, featuring a minimum temperature of 24°C (76°F) and peaking at 38°C (101°F), with an average temperature of 30°C (86°F). August sees increased rainfall with 119 mm (4.7 in) spread over 19 days, while humidity is somewhat lower at 72%. For a detailed overview of August weather, you can visit Thiruthani weather in August.
In comparing the weather between December and September, December tends to be milder with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F). The month sees an average precipitation of 70 mm (2.8 in) over 8 days, accompanied by high humidity levels around 85%. In contrast, September experiences warmer conditions with a minimum temperature of 23°C (74°F) and a peak of 37°C (99°F). It also receives significantly more rainfall, totaling 146 mm (5.8 in) across 19 days, although the humidity is slightly lower at 79%. For more details on September weather in this region, visit Thiruthani weather in September.
In comparing the weather of December and October, December tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 33°C (91°F), while October is warmer, featuring an average temperature from 21°C (69°F) to a peak of 36°C (96°F). However, October is notably wetter, receiving 170 mm (6.7 in) of rain over 20 days, compared to December's 70 mm (2.8 in) over just 8 days. Additionally, both months have high humidity levels, but October's 88% is marginally higher than December's 85%. For more details on October weather specifics, check Thiruthani weather in October.
In comparison to November, December experiences slightly warmer temperatures, with minimums of 18°C (64°F) versus November's 19°C (67°F), and an average of 25°C (76°F) compared to November's 26°C (79°F). However, December sees a bit of a dip in maximum temperatures, averaging 33°C (91°F) while November reaches up to 34°C (93°F). Precipitation also decreases significantly from November's 216 mm (8.5 in) over 19 days to just 70 mm (2.8 in) across 8 days in December, leading to a slightly lower humidity level of 85% compared to November's 89%. For more detailed weather insights, you can check Thiruthani weather in November.
As December rolls in, Thiruthani experiences a refreshing shift in weather that sets it apart from the hotter months. With a comfortable average temperature of 25°C, the air feels milder, making it an inviting time for outdoor activities. Despite some rainfall, with precipitation occurring on about eight days, the humidity remains high at 85%, adding a touch of tropical warmth. This combination of cooler temperatures and occasional showers makes December a unique and pleasant month in Thiruthani, providing a much-needed break from the sweltering heat of preceding periods. For a deeper understanding of the region's weather patterns, explore Thiruthani Climate.