Monthly Climate
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Best time to visit Thoothukudi

January is the best time to visit Thoothukudi for general sightseeing, with average highs of 29 °C and about 6 wet days. The comfortable season runs roughly December to March.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking January comfort 71/100
A beach holiday January sea 27 °C
The least cloud March 40 % average cloud cover
The least rain July 17 mm
Warmth May 34 °C
Cooler weather December 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 January 71 29 °C 6 92
2 February 68 30 °C 6 90
3 December 61 28 °C 13 76
4 March 61 31 °C 7 80
5 August 58 33 °C 5 83
6 July 57 33 °C 4 83
7 September 56 32 °C 7 78
8 June 54 33 °C 4 79
9 April 53 32 °C 9 67
10 May 52 34 °C 6 70
11 November 50 29 °C 21 71
12 October 49 31 °C 17 66

For a beach holiday

January scores highest, with a sea temperature of 27 °C and air temperatures around 29 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 27 °C 29 °C 51 % 92
February 28 °C 30 °C 42 % 90
March 29 °C 31 °C 40 % 80
April 30 °C 32 °C 52 % 67
May 30 °C 34 °C 64 % 70
June 29 °C 33 °C 80 % 79
July 28 °C 33 °C 84 % 83
August 28 °C 33 °C 80 % 83
September 28 °C 32 °C 73 % 78
October 28 °C 31 °C 77 % 66
November 28 °C 29 °C 75 % 71
December 28 °C 28 °C 65 % 76

When to think twice

October scores lowest with about 17 wet days and highs near 31 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 28.7 °C 36 mm 51 %
February 29.7 °C 30 mm 42 %
March 31.2 °C 44 mm 40 %
April 32.4 °C 55 mm 52 %
May 33.7 °C 42 mm 64 %
June 33.4 °C 22 mm 80 %
July 33.0 °C 17 mm 84 %
August 32.7 °C 22 mm 80 %
September 32.5 °C 36 mm 73 %
October 30.8 °C 191 mm 77 %
November 28.7 °C 274 mm 75 %
December 28.2 °C 133 mm 65 %

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: comfort score, beach score, season boundaries. 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.