Climate Overview
The climate in Chennai International Airport is hot. The average annual temperature is 28°C and approximately 1064mm of precipitation falls per year. November is the wettest month, receiving around 250mm of rainfall. Chennai International Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, May, July. The coldest months are January, February, December, when temperatures can drop to 24°C.
Temperature
Chennai International Airport has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 30°C. January is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Chennai International Airport is a moderately rainy area, receiving approximately 1064mm of precipitation annually, which averages out to around 89mm per month. The wettest month is November, averaging 250mm of rainfall. October and December also tend to see above-average precipitation. The driest month is February, with just 2mm. That's 248mm 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
Chennai International Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
84 days until Autumn
It is currently summer in Chennai International Airport, which began on June 21, 2026. Chennai International Airport 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 June at around 33°C, while the coldest stretch bottoms out in January near 24°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 26 to 32°C. Rainfall is relatively light, with around 80mm over the season and a monthly average of 27mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 28 to 33°C. Precipitation is moderate at around 283mm for the season, averaging 94mm per month. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 31°C. Rainfall is heavy, totalling around 540mm across the season with a monthly average of 180mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 28°C. Precipitation is moderate at around 161mm for the season, averaging 54mm per month. Winds are generally light, averaging 4km/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 Chennai International Airport 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.
