Climate Overview
The climate in Tiruchirappalli is hot. The average annual temperature is 30°C and approximately 827mm of precipitation falls per year. November is the wettest month, receiving around 183mm of rainfall. Tiruchirappalli is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, June. The coldest months are January, February, December, when temperatures can drop to 22°C.
Temperature
Tiruchirappalli sees moderate temperature variation throughout the year, ranging from 22°C to 38°C. April is the hottest month, with daytime highs reaching 38°C and an average of 32°C. January is the coolest month, with minimum temperatures around 22°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.
Precipitation
Tiruchirappalli is a moderately rainy area, receiving approximately 827mm of precipitation annually, which averages out to around 69mm per month. The wettest month is November, averaging 183mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 6mm. That's 177mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Tiruchirappalli is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in October, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 14km/h in winter, 15km/h in spring, 20km/h in summer, 13km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Tiruchirappalli, which began on March 20, 2026. Tiruchirappalli is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in April at around 38°C, while the coldest stretch bottoms out in January near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 38°C. Rainfall is relatively light, with around 124mm over the season and a monthly average of 41mm. Winds are moderate at around 15km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 27 to 37°C. Precipitation is moderate at around 190mm for the season, averaging 63mm per month. Winds are moderate at around 20km/h. Stay hydrated, wear sun protection, and seek shade during the hottest hours of the day.
Autumn
Temperatures range from 24 to 36°C. Rainfall is heavy, totalling around 399mm across the season with a monthly average of 133mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 34°C. Rainfall is relatively light, with around 114mm over the season and a monthly average of 38mm. Winds are generally light, averaging 14km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Tiruchirappalli based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
