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Best time to visit Chennai
Month-by-month weather, crowds, prices, and festival calendar — so you know exactly when to book.
Best time to visit Chennai, India
Month-by-month breakdown of weather, crowds, prices, and seasonal highlights.
| Month | Score | Weather | Crowds | Prices | Highlights |
|---|---|---|---|---|---|
| January | 20-28°C, pleasant with low humidity and clear skies | moderate | moderate |
| |
| February | 22-30°C, warm and dry with abundant sunshine | moderate | moderate |
| |
| March | 25-33°C, increasing heat and humidity | moderate | moderate |
⚠ Heat can be intense by the end of the month. | |
| April | 28-36°C, hot and humid | moderate | moderate |
⚠ Significant heat wave potential. | |
| May | 30-38°C, very hot and humid | low | low |
⚠ Extreme heat; outdoor activities are challenging. | |
| June | 27-34°C, heavy monsoon rains begin | low | low |
⚠ Southwest monsoon season; heavy rainfall, potential flooding, high humidity. | |
| July | 25-32°C, peak monsoon season with frequent heavy downpours | low | low |
⚠ Heavy monsoon rains continue; expect disruptions and high humidity. | |
| August | 26-33°C, monsoon rains gradually subside | low | low |
⚠ Still a chance of rain, but less intense than July. | |
| September | 26-33°C, lingering monsoon showers possible | moderate | moderate |
⚠ Northeast monsoon can sometimes start late September. | |
| October | 25-32°C, high chance of heavy northeast monsoon rains | moderate | moderate |
⚠ Northeast monsoon season; frequent heavy rainfall and high humidity. | |
| November | 23-30°C, monsoon recedes, pleasant and sunny | moderate | moderate |
| |
| December | 21-29°C, cool, dry, and sunny | high | high |
⚠ Peak tourist season due to excellent weather and holidays. |
Annual events worth timing your trip around
A major harvest festival celebrated with feasting, prayers, and bull-taming contests.
Celebrates the traditional Tamil New Year with rituals, feasts, and cultural performances.
A nine-night festival honoring the divine feminine, marked by music, dance, and prayers.
A significant Hindu festival celebrating the victory of Goddess Durga over Mahishasura.
The festival of lights, celebrated with fireworks, sweets, and new clothes.
Celebrated with religious services, carols, and festive gatherings.
Insider timing tips
- •The monsoon seasons (June-September and October-December) bring significant rainfall, impacting travel plans and outdoor activities.
- •December and January are peak tourist months due to the most pleasant weather, but also see the highest prices and crowds.
- •May offers the lowest prices and fewest crowds but comes with extreme heat and humidity, making it uncomfortable for many.
- •While the Northeast monsoon in October is heavy, it often coincides with major festivals like Navaratri, offering a unique cultural experience if you can brave the rain.
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