Monthly Climate
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Best time to visit Thrissur

December is the best time to visit Thrissur for general sightseeing, with average highs of 31 °C and about 5 wet days. The comfortable season runs roughly December to February.

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 December comfort 70/100
A beach holiday December sea 29 °C
The least cloud February 32 % average cloud cover
The least rain January 8 mm
Warmth March 34 °C
Cooler weather July 28 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 December 70 31 °C 5 85
2 January 65 33 °C 2 83
3 February 61 34 °C 3 78
4 November 55 30 °C 15 67
5 August 52 28 °C 28 74
6 July 52 28 °C 30 74
7 September 51 29 °C 23 73
8 June 50 28 °C 29 71
9 March 50 34 °C 10 61
10 October 50 29 °C 26 70
11 May 43 31 °C 26 62
12 April 40 32 °C 23 55

For a beach holiday

December scores highest, with a sea temperature of 29 °C and air temperatures around 31 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 28 °C 33 °C 34 % 83
February 29 °C 34 °C 32 % 78
March 29 °C 34 °C 40 % 61
April 30 °C 32 °C 64 % 55
May 30 °C 31 °C 81 % 62
June 29 °C 28 °C 93 % 71
July 27 °C 28 °C 95 % 74
August 27 °C 28 °C 92 % 74
September 27 °C 29 °C 84 % 73
October 29 °C 29 °C 82 % 70
November 29 °C 30 °C 69 % 67
December 29 °C 31 °C 48 % 85

When to think twice

April scores lowest with about 23 wet days and highs near 32 °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 33.2 °C 8 mm 34 %
February 34.2 °C 16 mm 32 %
March 34.3 °C 54 mm 40 %
April 32.4 °C 139 mm 64 %
May 30.7 °C 259 mm 81 %
June 28.3 °C 518 mm 93 %
July 27.7 °C 489 mm 95 %
August 27.8 °C 374 mm 92 %
September 28.5 °C 257 mm 84 %
October 29.1 °C 285 mm 82 %
November 30.0 °C 135 mm 69 %
December 31.3 °C 37 mm 48 %

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.