Weather in Tiruchirappalli, Tamil Nadu
Tiruchirappalli, India is a large and bustling city in the state of Tamil Nadu. Sitting at roughly 10.8°N, it falls in the tropical monsoon climate zone.
Climate Overview
The coastal regions receive heavy rainfall during both monsoon seasons, with tropical cyclones occasionally making landfall. Like much of Tamil Nadu, Tiruchirappalli follows the South Asian monsoon calendar: a hot pre-monsoon, a wet monsoon and a drier cool season after October. Summer afternoons typically sit between 32 and 36°C.
Weather by season in Tiruchirappalli
Tiruchirappalli's year divides into four broad seasons. The southwest monsoon normally arrives around 3 June. Daytime figures below are typical lowland values for this latitude — hill stations sit markedly cooler.
- Winter (Dec–Feb): days around 31°C, nights around 22°C. Mild, dry and one of the most pleasant times to visit.
- Summer / pre-monsoon (Mar–Jun): days around 37°C, nights around 26°C. Warm and humid, building towards the monsoon.
- Monsoon (Jul–Sep): days around 32°C, nights around 24°C. Frequent rain and high humidity; the wettest part of the year.
- Post-monsoon (Oct–Nov): days around 31°C, nights around 23°C. The northeast monsoon brings the main rains to the far south now.
Today's Weather in Tiruchirappalli
Wondering what the weather is like in Tiruchirappalli right now? See current conditions, today's high and low, and AQI in the live panel above.
Hourly Forecast
Our hourly forecast for Tiruchirappalli covers the next 24 hours with temperature, wind speed and rain probability so you can plan around showers and thunderstorms.
7-Day Weather Forecast for Tiruchirappalli
Tomorrow's weather, the day after and the full week ahead for Tiruchirappalli are summarised in the 7-day outlook. Rain, cloud cover and wind direction are all shown.
Air Quality in Tiruchirappalli
Air quality in Tiruchirappalli is measured using the European Air Quality Index, with PM2.5 and PM10 particulate matter readings displayed alongside the live forecast. In larger cities like Tiruchirappalli, AQI can deteriorate sharply from October to January. A mask and limited outdoor time can help on the worst days.
Quick facts about Tiruchirappalli
Tiruchirappalli has a population of about 10,22,518; sits at 10.82°N; and is in India; its monsoon typically arrives in late May.
Common spellings
Local search audiences in Tamil Nadu often type the weather query in Tamil (தமிழ்). The Tamil word for weather is வானிலை, commonly transliterated as vaanilai, vanilai, vaaniilai, vanilaai. The Hindi मौसम (mausam, mosam, mausham) is also widely used across Tiruchirappalli. All refer to the same thing — current weather, today's temperature and the forecast you'll find on this page.
Nearby Cities in Tamil Nadu
Explore weather forecasts for other cities in Tamil Nadu. See the "More in Tamil Nadu" section above, or browse the full list on our states page.