Thiruvananthapuram climate

Name: Thiruvananthapuram
Address: IN

Thiruvananthapuram is warmest in March, with average highs of 30 °C, and coldest in January, when nights average 23 °C. June is the wettest month (323 mm) and January the driest (29 mm). Figures are 1991–2020 climate normals.

Across a full year Thiruvananthapuram averages 2,109 mm of rain and 364 days above 25 °C.

India · population 788,271 · 1991–2020 normals

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

Warmest month March 30 °C
Coldest month January 23 °C
Driest month January 29 mm
Wettest month June 323 mm
Least cloud February 43 % cloud
Hottest on record March 34 °C
Coldest on record January 20 °C
Warmest sea April 30 °C

What to expectThiruvananthapuram through the year

Thiruvananthapuram changes little through the year. Average daily highs stay between 30 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 364 days a year reach 25 °C, 61 of them reach 30 °C. The warmest reading in the 1991–2020 record is 34 °C, in March.

Rain is strongly seasonal. June averages 323 mm against 29 mm in January — 11 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Thiruvananthapuram is warmest in April at 30 °C and coldest in July at 26 °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	29.5 °C	29 mm	45 %
February	30.0 °C	51 mm	43 %
March	30.2 °C	111 mm	48 %
April	29.9 °C	170 mm	64 %
May	29.1 °C	229 mm	78 %
June	27.5 °C	323 mm	89 %
July	27.1 °C	216 mm	90 %
August	27.1 °C	187 mm	87 %
September	27.6 °C	175 mm	80 %
October	27.7 °C	299 mm	81 %
November	28.0 °C	237 mm	76 %
December	28.7 °C	82 mm	58 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.5 °C	22.8 °C	25.9 °C	33.2 °C	19.7 °C	31	9
February	30.0 °C	23.2 °C	26.3 °C	34.1 °C	20.1 °C	28	13
March	30.2 °C	24.2 °C	26.9 °C	34.4 °C	20.6 °C	31	15
April	29.9 °C	25.2 °C	27.3 °C	33.9 °C	22.7 °C	30	12
May	29.1 °C	25.2 °C	27.0 °C	32.8 °C	23.1 °C	31	7
June	27.5 °C	24.4 °C	25.7 °C	30.3 °C	22.6 °C	30	0
July	27.1 °C	23.9 °C	25.2 °C	29.7 °C	22.1 °C	31	0
August	27.1 °C	23.7 °C	25.1 °C	30.3 °C	22.4 °C	30	0
September	27.6 °C	23.8 °C	25.4 °C	31.4 °C	22.7 °C	30	0
October	27.7 °C	23.8 °C	25.5 °C	30.2 °C	22.4 °C	31	0
November	28.0 °C	23.5 °C	25.6 °C	31.5 °C	21.1 °C	30	1
December	28.7 °C	23.1 °C	25.7 °C	32.0 °C	19.8 °C	31	3

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	29 mm	6	12 h/day	45 %	72 %	12 km/h	28.3 °C
February	51 mm	8	12 h/day	43 %	74 %	14 km/h	28.6 °C
March	111 mm	19	12 h/day	48 %	79 %	15 km/h	29.2 °C
April	170 mm	25	12 h/day	64 %	83 %	15 km/h	29.7 °C
May	229 mm	24	13 h/day	78 %	85 %	18 km/h	29.1 °C
June	323 mm	27	13 h/day	89 %	88 %	22 km/h	27.6 °C
July	216 mm	26	13 h/day	90 %	88 %	23 km/h	26.2 °C
August	187 mm	22	12 h/day	87 %	88 %	22 km/h	26.3 °C
September	175 mm	20	12 h/day	80 %	87 %	19 km/h	27.0 °C
October	299 mm	25	12 h/day	81 %	86 %	15 km/h	28.0 °C
November	237 mm	22	12 h/day	76 %	84 %	11 km/h	28.6 °C
December	82 mm	9	12 h/day	58 %	77 %	11 km/h	28.5 °C

Where Thiruvananthapuram ranks

Ranking	Position	Value
Warmest sea temperatures in Asia in March	42ndof 50	29 °C
Warmest sea temperatures in Asia in February	43rdof 50	29 °C

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

QuestionsCommon questions about Thiruvananthapuram’s climate

When is the best time to visit Thiruvananthapuram?

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

How hot does Thiruvananthapuram get?

In March, the warmest month, daily highs average 30 °C. About 61 days a year pass 30 °C. The highest value in the 1991–2020 record is 34 °C.

How cold does it get in winter?

Nights average 23 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Thiruvananthapuram?

June, averaging 323 mm over 27 days with rain. The driest month is January with 29 mm. The year as a whole averages 2,109 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 Thiruvananthapuram rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.