The short answer
When to go to Chettinad
December to February is the best window, with cool, drier weather that suits walking among mansions and climbing temple steps. March is hot, April to September is hot and humid, and October to November brings the northeast monsoon, with November the wettest month. For older travellers, winter mornings are ideal, and midday rests help even then.
Month by month
Chettinad weather by month
| Month | High | Low | Rain | Verdict | What to expect |
|---|---|---|---|---|---|
| January | 31°C | 21°C | 6 mm | Cool, dry and clear; the most comfortable month | |
| February | 33°C | 22°C | 4 mm | Dry and warming; mornings still pleasant | |
| March | 36°C | 24°C | 4 mm | Hot afternoons; keep sightseeing to the morning | |
| April | 38°C | 26°C | 34 mm | Very hot; mansion courtyards and ramparts are taxing | |
| May | 38°C | 27°C | 79 mm | Peak heat with thundery showers | |
| June | 37°C | 27°C | 45 mm | Hot and humid | |
| July | 37°C | 26°C | 57 mm | Hot, humid and overcast spells | |
| August | 36°C | 26°C | 88 mm | Humid with frequent showers | |
| September | 35°C | 25°C | 118 mm | Still warm; rain is building toward the monsoon | |
| October | 33°C | 24°C | 155 mm | Northeast monsoon begins; showers, but cooler | |
| November | 31°C | 23°C | 191 mm | Wettest month; green and cool but plans may get rained out | |
| December | 30°C | 22°C | 79 mm | Cool and drier as the monsoon eases; ideal for walks |
Temperatures and rainfall are long-term monthly averages. Check the forecast a few days before you travel.
Seasons at a glance
Chettinad seasons for families and seniors
The easiest months: January and December
- January: Cool, dry and clear; the most comfortable month
- December: Cool and drier as the monsoon eases; ideal for walks
Good, with small trade-offs: February
- February: Dry and warming; mornings still pleasant
Possible, with planning: March, September, October and November
- March: Hot afternoons; keep sightseeing to the morning
- September: Still warm; rain is building toward the monsoon
- October: Northeast monsoon begins; showers, but cooler
- November: Wettest month; green and cool but plans may get rained out
Best avoided with parents or children: April, May, June, July and August
- April: Very hot; mansion courtyards and ramparts are taxing
- May: Peak heat with thundery showers
- June: Hot and humid
- July: Hot, humid and overcast spells
- August: Humid with frequent showers
Useful answers
Best time to visit Chettinad: FAQs
What is the best month to visit Chettinad?
January and December are the best months to visit Chettinad, with February also good. December to February is the best window, with cool, drier weather that suits walking among mansions and climbing temple steps. March is hot, April to September is hot and humid, and October to November brings the northeast monsoon, with November the wettest month. For older travellers, winter mornings are ideal, and midday rests help even then.
Which months should I avoid in Chettinad with elderly parents?
April, May, June, July and August are the months to avoid with older travellers. Very hot; mansion courtyards and ramparts are taxing Peak heat with thundery showers
When does it rain most in Chettinad?
November is the wettest month, with about 191 mm of rain on average. The hottest month is May, with average highs around 38°C.