Cuddalore climate

Cuddalore is warmest in May, with average highs of 34 °C, and coldest in January, when nights average 22 °C. November is the wettest month (289 mm) and February the driest (11 mm). Figures are 1991–2020 climate normals.

Across a full year Cuddalore averages 1,067 mm of rain and 363 days above 25 °C.

India · population 173,636 · 1991–2020 normals

  1. Jan 25°
  2. Feb 26°
  3. Mar 27°
  4. Apr 29°
  5. May 31°
  6. Jun 30°
  7. Jul 30°
  8. Aug 29°
  9. Sep 29°
  10. Oct 27°
  11. Nov 26°
  12. Dec 25°

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

What to expectCuddalore through the year

Cuddalore has a clear annual cycle: average daily highs run from 27 °C in January to 34 °C in May, a swing of 5.9 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 214 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in May.

Rain is strongly seasonal. November averages 289 mm against 11 mm in February — 26 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Cuddalore is warmest in April at 30 °C and coldest in January at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month Avg high Rainfall Cloud
January 27.2 °C 21 mm 47 %
February 28.6 °C 11 mm 38 %
March 30.6 °C 17 mm 35 %
April 32.3 °C 28 mm 43 %
May 33.8 °C 40 mm 56 %
June 33.7 °C 44 mm 83 %
July 33.2 °C 58 mm 88 %
August 32.5 °C 92 mm 85 %
September 31.8 °C 96 mm 76 %
October 29.9 °C 220 mm 72 %
November 27.8 °C 289 mm 69 %
December 27.0 °C 152 mm 61 %

Temperature month by month

MonthAvg highAvg lowMeanRecord highRecord lowDays above 25 °CDays above 30 °CDays below 0 °C
January27.2 °C22.1 °C24.7 °C29.8 °C17.1 °C3100
February28.6 °C22.5 °C25.6 °C31.4 °C16.9 °C2820
March30.6 °C24.0 °C27.3 °C34.3 °C18.5 °C31210
April32.3 °C26.6 °C29.3 °C37.6 °C21.3 °C30290
May33.8 °C28.0 °C30.6 °C40.2 °C24.3 °C31300
June33.7 °C27.7 °C30.4 °C39.9 °C24.5 °C30290
July33.2 °C27.1 °C29.8 °C38.5 °C24.0 °C31300
August32.5 °C26.6 °C29.2 °C38.2 °C24.3 °C31290
September31.8 °C26.2 °C28.7 °C35.7 °C23.9 °C30270
October29.9 °C25.1 °C27.3 °C34.9 °C21.9 °C31150
November27.8 °C23.9 °C25.8 °C31.8 °C19.7 °C2910
December27.0 °C22.8 °C24.9 °C30.5 °C18.4 °C3000

Rain, sun and wind month by month

MonthRainfallWet daysDaylightCloud coverHumidityWindSea temp
January21 mm412 h/day47 %75 %19 km/h26.7 °C
February11 mm312 h/day38 %74 %18 km/h27.4 °C
March17 mm312 h/day35 %75 %18 km/h28.6 °C
April28 mm412 h/day43 %75 %21 km/h29.7 °C
May40 mm513 h/day56 %71 %22 km/h29.5 °C
June44 mm913 h/day83 %66 %21 km/h29.1 °C
July58 mm1113 h/day88 %66 %19 km/h28.9 °C
August92 mm1313 h/day85 %70 %19 km/h28.7 °C
September96 mm1512 h/day76 %75 %18 km/h28.9 °C
October220 mm2012 h/day72 %81 %16 km/h29.2 °C
November289 mm1912 h/day69 %83 %19 km/h28.4 °C
December152 mm1111 h/day61 %78 %21 km/h27.1 °C

How Cuddalore compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination Summer high Winter low Rain per year Days above 25 °C
Cuddalore 34 °C 22 °C 1,067 mm 363
Puducherry · India 34 °C 22 °C 1,041 mm 364
Neyveli · India 38 °C 20 °C 1,049 mm 362
Kallakurichi · India 38 °C 19 °C 973 mm 362
Kumbakonam · India 38 °C 21 °C 952 mm 362

Where Cuddalore ranks

Planning a trip? See the best time to visit Cuddalore.

QuestionsCommon questions about Cuddalore’s climate

When is the best time to visit Cuddalore?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, May is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Cuddalore get?

In May, the warmest month, daily highs average 34 °C. About 214 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average 22 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Cuddalore?

November, averaging 289 mm over 19 days with rain. The driest month is February with 11 mm. The year as a whole averages 1,067 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Cuddalore rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.