Climate Insights for Coimbatore

The climate in Coimbatore is warm and mild. The average annual temperature is 25°C and approximately 1492mm of precipitation falls per year. August is the wettest month, receiving around 237mm of rainfall. Coimbatore is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, February. The coldest months are January, December, February, when temperatures can drop to 20°C.

Coimbatore sees moderate temperature variation throughout the year, ranging from 20°C to 34°C. The warmest month is April, when average highs reach 34°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 20°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Coimbatore is a fairly wet location, receiving approximately 1492mm of precipitation annually, which averages out to around 124mm per month. The wettest month is August, averaging 237mm of rainfall. July and October also tend to see above-average precipitation. The driest month is February, with just 7mm. That's 230mm less than August, 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.

Coimbatore is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 12km/h in winter, 11km/h in spring, 14km/h in summer, 11km/h in autumn.

It is currently spring in Coimbatore, which began on March 20, 2026. Coimbatore 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 34°C, while the coldest stretch bottoms out in January near 20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Coimbatore is during January and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 33mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 34°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Coimbatore 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.