Weekly note
Chennai
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Photo by Saiphani02, CC BY-SA 4.0, via Wikimedia Commons.

Chennai from Lima

17,548 km, about 22h 19m in the air. Every month scored for the weather at Chennai and for the holidays that crowd it out at both ends.

  1. Chennai in January: sweet spot
  2. Chennai in February: sweet spot, busy
  3. Chennai in March: sweet spot, busy
  4. Chennai in April: avoid
  5. Chennai in May: avoid
  6. Chennai in June: avoid
  7. Chennai in July: avoid
  8. Chennai in August: ok, busy
  9. Chennai in September: ok
  10. Chennai in October: ok
  11. Chennai in November: ok, busy
  12. Chennai in December: sweet spot
  • Sweet spot
  • Good
  • OK
  • Avoid
  • Busy
Go in Dec–Mar — these months score within a whisker of each other; 28C max, 2 rainy days. Sep is the next best.

Month by month from Lima

No fare history on LIM–MAA yet, so this ranking is climate and crowds only. The price column fills in as the scanner collects.

MonthMax °CRain days Crowds VerdictWhy
Jan 28° 2d 70 sweet spot 28C max, 2 rainy days
Feb 30° 0d 49 sweet spot busy busier than usual
Mar 33° 1d 62 sweet spot busy busier than usual
Apr 35° 0d 80 avoid extreme heat: 13 days over 35C
May 36° 4d 80 avoid extreme heat: 21 days over 35C
Jun 36° 3d 74 avoid extreme heat: 23 days over 35C
Jul 34° 7d 80 avoid extreme heat: 14 days over 35C
Aug 34° 11d 60 okbusy busier than usual
Sep 33° 10d 100 ok 33C max, 10 rainy days
Oct 31° 14d 80 ok 31C max, 14 rainy days
Nov 29° 14d 51 okbusy busier than usual
Dec 28° 6d 68 sweet spot 28C max, 6 rainy days

Rain days are the days with at least 1 mm of rain, as a weather station counts them.

Crowds is a score out of 100 where higher is quieter. It counts public-holiday clusters in PE as well as at Chennai, which is why this table differs from the same one read from another country. A busy month is a crowded one, not a bad one — usually it is crowded because the weather is good. Crowds alone never make a month “avoid”: that is reserved for weather worth skipping.

How busy it gets

No month stands out as busy; quietest in April and September.

The year in Chennai

Chennai has intense heat from March to May; plan indoor activities during this time. The northeastern monsoon from June to November can cause heavy rainfall and should be considered for travel plans.

Busiest
early Nov to mid Dec — The northeastern monsoon brings moderate rainfall but also cooler temperatures, making it a popular time for tourists.
Quieter, still good
mid Sep to late Oct — Transition period with fewer crowds and decent weather as the rains start to taper off.
mid Dec to late Feb — Post-monsoon cool and pleasant weather attracts a moderate number of visitors.
Wet or stormy
early Jun to late Sep — monsoon, moderate
early Oct to late Oct — monsoon, severe
Watch out for extreme heat

Written by a language model from the climate figures above. The month-by-month table is measured — ten years of ERA5 readings and published holiday calendars — and where the two disagree, the table is the one to believe.

Chennai from anywhere · everywhere from Lima · Fares in USD: no free rate exists for PEN.

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