City in Tamil Nadu, India
Chennai weather by month and the best time to visit
When to go to Chennai
Nov–Feb is the coolest and driest stretch, though Oct–Dec northeast monsoon rains can flood streets. Mar–Jun is very hot and humid.
Chennai weather by month
Average daily high, rainfall and conditions.
- Jan28°16 mm
- Feb30°6 mm
- Mar34°15 mm
- Apr36°26 mm
- May36°55 mm
- Jun35°68 mm
- Jul34°108 mm
- Aug33°132 mm
- Sep32°145 mm
- Oct30°264 mm
- Nov28°292 mm
- Dec28°126 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 28°C82°F | 21°C69°F | 16 mm | 77% | Pleasant |
| February | 30°C87°F | 21°C70°F | 6 mm | 71% | Pleasant |
| March | 34°C93°F | 23°C74°F | 15 mm | 66% | Hot |
| April | 36°C96°F | 26°C79°F | 26 mm | 66% | Hot |
| May | 36°C97°F | 27°C81°F | 55 mm | 65% | Very hot |
| June | 35°C95°F | 27°C80°F | 68 mm | 64% | Hot |
| July | 34°C93°F | 26°C79°F | 108 mm | 67% | Hot |
| August | 33°C91°F | 25°C78°F | 132 mm | 72% | Hot |
| September | 32°C89°F | 25°C77°F | 145 mm | 77% | Hot & humid |
| October | 30°C87°F | 25°C77°F | 264 mm | 80% | Rainy |
| November | 28°C83°F | 24°C74°F | 292 mm | 82% | Rainy |
| December | 28°C82°F | 22°C71°F | 126 mm | 80% | Pleasant |
Best months across India
| Place | Best months | Warmest month |
|---|---|---|
| Delhi | Feb–Mar, Oct–Nov | May (43°C) |
| Goa | Nov–Feb | Apr (32°C) |
| Mumbai | Nov–Feb | Apr (39°C) |
| Jaipur | Oct–Mar | May (41°C) |
| Agra | Feb–Mar, Oct–Nov | May (44°C) |
| Varanasi | Oct–Mar | May (43°C) |
| Rishikesh | Feb–Apr, Sep–Nov | May (40°C) |
| Bangalore | Nov–Mar | Apr (35°C) |
| Udaipur | Oct–Mar | May (40°C) |
| Kochi | Nov–Mar | Mar (33°C) |
| Kolkata | Nov–Feb | Apr (38°C) |
| Hyderabad | Oct–Feb | May (40°C) |
| Manali | Mar–Jun, Sep–Oct | Jul (25°C) |
| Dharamshala | Mar–May, Sep–Nov | Jun (33°C) |
| Leh | Jun–Sep | Jul (24°C) |
| Chennai | Nov–Feb | May (36°C) |
| Pondicherry | Nov–Feb | May (33°C) |
| Varkala | Nov–Mar | Mar (33°C) |
| Hampi | Oct–Feb | Apr (39°C) |
| Amritsar | Feb–Mar, Oct–Nov | Jun (43°C) |
| Jodhpur | Oct–Feb | May (42°C) |
| Jaisalmer | Nov–Feb | May (42°C) |
| Pushkar | Oct–Feb | May (41°C) |
| Palolem | Nov–Mar | May (30°C) |
| Anjuna | Nov–Mar | Apr (33°C) |
| Darjeeling | Mar–May, Oct–Nov | May (22°C) |
| Munnar | Oct–Feb | Mar (27°C) |
| Alleppey | Nov–Feb | Mar (31°C) |
| Andaman Islands | Nov–Apr | Apr (30°C) |
| Shimla | Mar–Jun, Sep–Oct | May (29°C) |
Quick answers
What is the best month to visit Chennai?
Nov–Feb. Nov–Feb is the coolest and driest stretch, though Oct–Dec northeast monsoon rains can flood streets. Mar–Jun is very hot and humid.
When is the rainy season in Chennai?
Rain peaks in November with about 292 mm. Months with 150 mm or more: Oct–Nov.
What is the hottest month in Chennai?
May, with average highs of 36°C (97°F).
How cold does Chennai get?
The coolest nights are in January, averaging 21°C (69°F).
More about Chennai
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Sources
- NASA POWER climatology (2001–2020)
- Chennai Metro Rail
- Chennai Airport (Airports Authority of India)
- Metropolitan Transport Corporation Chennai
- Southern Railway
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.