Last updated: October 30, 2025
In October, Tiruchirappalli experiences a blend of warmth and moisture, making it a unique time of year. The maximum temperature can soar to 38°C (101°F), while the average hovers around a comfortable 29°C (85°F), and nighttime temperatures dip to a mild 23°C (74°F). During this month, the city grapples with 143 mm (5.6 in) of rainfall over approximately 20 days, resulting in a humid atmosphere with an average humidity of 87%. This combination of heat and humidity sets the stage for vibrant landscapes and a lively environment, typical of the region’s tropical climate.
In October, Tiruchirappalli, India experiences a notable shift as temperatures begin to cool from the scorching summer months. The average temperature settles at a comfortable 29°C (85°F), with minimums dipping to 23°C (74°F) and maximums reaching 38°C (101°F). This gradual decline reflects the transition into the later parts of the year, inviting a reprieve from the intense heat of previous months. Notably, the mercury during this time remains significantly higher than during winter, yet the slight reduction in both average and minimum temperatures marks the beginning of a more pleasant climate, making October an appealing month for visitors and locals alike. Overall, the patterns showcase a shift towards warmer, milder days, perfect for outdoor exploration.
In October, Tiruchirappalli experiences a notable surge in rainfall, with precipitation reaching 143 mm (5.6 in) over 20 days, marking it as one of the wettest months of the year. This increase is a part of the region's gradual transition from the arid early months to the more humid late monsoon season. Following a significant 127 mm (5.0 in) in September, October's rainfall underscores the peak of the monsoon, setting the stage for the even heavier downpours that come in November, when averages soar to 212 mm (8.4 in). The consistent rain not only rejuvenates the landscape but also signals the shift toward the cooler months ahead, where precipitation remains vital for agriculture and local ecosystems. With October's rain days punctuating the month, it becomes a crucial time for both residents and farmers, embracing the bountiful monsoon that nourishes the region.
In October, Tiruchirappalli experiences a significant spike in humidity, reaching 87%, marking it as one of the most humid months of the year. This increase follows a gradual rise from the relatively drier months of March through May, where humidity levels hovered between 56% and 64%. The transition into the monsoon season is evident as September wraps up with a 76% humidity level, paving the way for October’s peak. Following this trend, November sees a slight uptick to 88%, suggesting that the tail end of the monsoon brings moist air lingering in the region. By contrast, the dry spell in the earlier months highlights the wet season's arrival, dramatically shifting the atmosphere as the year winds down.
In October, Tiruchirappalli experiences a notably high UV Index of 12, classifying it as extreme with a burn time of just 10 minutes. This continued elevation follows a trend seen from February through September, where the UV levels remained at the extreme category, peaking in April at a staggering 15. As the year progresses towards the cooler months, the UV Index starts to show a slight decline, yet caution is still advised, especially for those planning outdoor activities. The consistent high UV readings throughout the year underscore the importance of sun protection in this region. For more details on the UV Index in Tiruchirappalli, visit Tiruchirappalli UV Index.
UV Risk Categories
In October, Tiruchirappalli experiences a gentle transition as sunlight hours gradually decline, contributing to a cozy ambiance. With 289 hours of sunshine, this month marks a notable decrease from the peak of 341 hours in March. The trend reveals that while October still enjoys ample sunlight, it signals the start of the descending curve towards the cooler months. The continued warmth of the sun invites locals and visitors alike to enjoy the charm of the city, even as daylight yields to the approaching winter chill. This subtle shift paves the way for a beautiful autumn, making October a lovely time to bask in the last rays of abundant sunshine before winter sets in.
In Tiruchirappalli, India, the likelihood of sunny weather in October is notably low, with a mere 15% chance of sun. This month follows an upward trend in sunshine probability seen from February (67%) through April (50%), before dipping significantly in the monsoon months of May (26%) to September (19%). The transition into October marks a return to lower sunshine chances, reminiscent of the peak of the rainy season, which casts a shadow over the month’s potential for clear skies. As October progresses, locals and visitors alike may need to prepare for overcast days as the city shifts from the post-monsoon haze toward the cooler, clearer months ahead.
In Tiruchirappalli, India, October marks a subtle transition as the daylight duration dips back to 11 hours, mirroring the shorter days characteristic of the preceding months. This pattern showcases the city's consistent daylight experience throughout the year, beginning with 11 hours in January and February, then expanding to a peak of 12 hours from March to September. As the year progresses towards its end, daylight retracts again, settling at 11 hours until January. This cyclical trend highlights the resilience of daytime hours in the region, offering a glimpse of the gentle shifts in the rhythm of nature unique to Tiruchirappalli.
As October settles in Tiruchirappalli, the gentle whispers of the wind begin to characterize the city's atmosphere. With an average wind speed of 2.0 m/s (5 mph), this month marks a noticeable dip from the breezier summer months, which saw winds picking up to 4.1 m/s in July. The transition into October is subtly marked by a reduction in wind speed, reminiscent of the calm before the festive bustle of the upcoming months. Following a summer filled with stronger gusts, October's light breezes provide a fresh, invigorating feeling, perfect for enjoying the vibrant outdoor scenes of this historic city. As the year winds down, the consistency of gentle October winds encourages a sense of tranquility, making it an ideal time to reflect and immerse oneself in the rich culture that Tiruchirappalli has to offer.
Weather in Tiruchirappalli varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Tiruchirappalli, focusing on differences in temperature, rainfall, humidity, and UV levels.
October weather is characterized by warmer temperatures, with minimums around 23°C (74°F) and highs soaring up to 38°C (101°F), while January offers slightly cooler conditions, with minimums of 19°C (66°F) and maximums reaching 35°C (95°F). Additionally, October is much wetter, experiencing an average precipitation of 143 mm (5.6 in) over 20 days, compared to the much drier January, which sees only 41 mm (1.6 in) of rain across just 4 days. The humidity in October is also higher at 87%, while January's humidity is a more comfortable 72%. For more detailed information on January weather, you can visit Tiruchirappalli weather in January.
In October, the weather is notably warmer and more humid compared to February. With average temperatures reaching 29°C (85°F) and high humidity at 87%, October can feel quite oppressive, particularly during its maximum temperatures of up to 38°C (101°F). Additionally, October sees significant rainfall, totaling 143 mm (5.6 in) over about 20 days, which can contribute to a damp atmosphere. In contrast, February offers a more moderate climate, with average temperatures of 27°C (81°F) and much lower humidity at 62%. The month is characterized by minimal precipitation, only about 4 mm (0.2 in) over just one day, allowing for more pleasant and drier conditions. For a detailed look at February weather in Tiruchirappalli, check out Tiruchirappalli weather in February.
In October, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 29°C (85°F), peaking at 38°C (101°F). However, the month also experiences significant rainfall, averaging 143 mm (5.6 in) over approximately 20 days, coupled with high humidity levels at 87%. In contrast, March boasts slightly milder temperatures, with a minimum of 20°C (69°F) and an average of 30°C (86°F), reaching a maximum of 40°C (104°F). This month enjoys considerably less rainfall, with only 16 mm (0.6 in) recorded over just 3 days and lower humidity at 57%. For a detailed comparison, you can also check the Tiruchirappalli weather in March.
In comparing the weather of October and April, we see notable differences in temperature, precipitation, and humidity. October experiences a minimum temperature of 23°C (74°F) and can reach highs of up to 38°C (101°F), while April has slightly warmer averages with minima of 24°C (75°F) and maximums soaring to 41°C (107°F). Precipitation in October is significantly higher, with 143 mm (5.6 in) over 20 days, creating a much wetter environment compared to the dry conditions of April, which only sees 16 mm (0.6 in) over 4 days. Additionally, October's humidity stands at a high 87%, whereas April is more comfortable at 56%. For a closer look at April's climate, you can visit Tiruchirappalli weather in April.
In comparison to October, May is noticeably warmer with average temperatures reaching 32°C (91°F) and maximums soaring up to 42°C (108°F). While October experiences high humidity at 87% along with significant rainfall of 143 mm (5.6 in) over 20 days, May is much drier, with only 42 mm (1.7 in) of precipitation across 10 days and a lower humidity level of 64%. For more detailed information, you can refer to Tiruchirappalli weather in May.
When comparing the weather in October and June, October presents a slightly cooler climate with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (101°F), while June tends to be hotter, featuring minimum temperatures of 26°C (78°F) and maximums reaching up to 42°C (107°F). Additionally, October experiences significantly more precipitation, with 143 mm (5.6 in) over approximately 20 days, contrasted with June's 50 mm (2.0 in) across just 9 days. Humidity levels are also higher in October at 87%, compared to June's 71%. For more detailed insights, check out Tiruchirappalli weather in June.
When comparing the weather in October to that of July, October tends to have slightly milder temperatures, with a minimum of 23°C (74°F) and an average of 29°C (85°F), whereas July boasts a higher minimum of 25°C (77°F) and an average of 31°C (89°F). The maximum temperature in July can reach up to 40°C (104°F), which is higher than October's peak of 38°C (101°F). Additionally, October sees significantly more rainfall, with 143 mm (5.6 in) over 20 days, compared to July's 61 mm (2.4 in) across just 12 days. Humidity levels are also higher in October at 87%, compared to 64% in July. For more detailed information on July weather, you can check Tiruchirappalli weather in July.
In October, the weather remains warm with an average temperature of 29°C (85°F), slightly cooler than August's 31°C (88°F) average. The maximum temperatures in October reach 38°C (101°F), while August can soar up to 40°C (105°F). Interestingly, October experiences significantly more precipitation, totaling 143 mm (5.6 in) over 20 days, compared to August's 81 mm (3.2 in) across 13 days. Additionally, October’s humidity is much higher at 87%, making it feel quite muggy compared to August's 69% humidity level. For more details, you can check out the Tiruchirappalli weather in August.
In comparing the weather between September and October, October sees a slight decrease in average temperature, with a minimum of 23°C (74°F) compared to September's minimum of 24°C (76°F). The maximum temperatures are also a bit lower in October, reaching 38°C (101°F) against September's peak of 39°C (102°F). However, October experiences more precipitation, with 143 mm (5.6 in) over 20 days, compared to September's 127 mm (5.0 in) across 18 days. Additionally, October is noticeably more humid at 87%, up from 76% in September. For a closer look at September's weather specifics, you can check Tiruchirappalli weather in September.
October and November exhibit similar warm climates, but November tends to be slightly cooler with an average temperature of 27°C (81°F) compared to October's 29°C (85°F). While the maximum temperatures are only marginally different—38°C (101°F) in October and 37°C (99°F) in November—the overall feel is a bit less intense in the later month. November also experiences increased rainfall, with 212 mm (8.4 in) compared to October's 143 mm (5.6 in), and both months have around 20 days of precipitation. Humidity remains high, with November's level at 88% just above October's 87%. For more detailed information, visit Tiruchirappalli weather in November.
In October, Tiruchirappalli experiences warmer weather with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 38°C (101°F) and an average of 29°C (85°F). The month is characterized by significant rainfall, with 143 mm (5.6 in) of precipitation across approximately 20 days and high humidity at 87%. In contrast, December offers a slightly cooler climate, with minimum temperatures around 20°C (68°F) and a peak of 33°C (91°F), averaging 26°C (79°F). Precipitation is reduced to 112 mm (4.4 in) over about 10 days, and humidity also decreases to 83%. For more details, you can check Tiruchirappalli weather in December.
As October arrives in Tiruchirappalli, the weather transitions significantly, marking a shift from the blistering heat of summer to a more temperate and humid climate. With the maximum temperatures dipping to a more tolerable level and the average temperatures hovering around a pleasant 29°C, this month offers a reprieve from the oppressive warmth. However, the increased precipitation, with about 143 mm over 20 days, brings a refreshing change that enhances the lush landscapes, while the humidity remains high at 87%, adding a tropical feel to the air. This blend of warmth and moisture makes October a unique month in Tiruchirappalli, unparalleled by the preceding dry months. For more details, explore the Tiruchirappalli Climate.