Salem climate

Name: Salem
Address: IN

Salem is warmest in April, with average highs of 37 °C, and coldest in January, when nights average 19 °C. October is the wettest month (178 mm) and January the driest (6.5 mm). Figures are 1991–2020 climate normals.

Across a full year Salem averages 964 mm of rain and 363 days above 25 °C.

India · population 917,414 · 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 April 37 °C
Coldest month January 19 °C
Driest month January 6 mm
Wettest month October 178 mm
Least cloud March 32 % cloud
Hottest on record May 41 °C
Coldest on record December 14 °C

What to expectSalem through the year

Salem has a clear annual cycle: average daily highs run from 30 °C in January to 37 °C in April, a swing of 6.9 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 276 of them reach 30 °C. The warmest reading in the 1991–2020 record is 41 °C, in May.

Rain is strongly seasonal. October averages 178 mm against 6 mm in January — 27 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.3 °C	6 mm	44 %
February	33.0 °C	7 mm	33 %
March	36.0 °C	18 mm	32 %
April	36.8 °C	57 mm	48 %
May	36.2 °C	95 mm	64 %
June	33.4 °C	92 mm	85 %
July	32.4 °C	84 mm	90 %
August	32.2 °C	110 mm	88 %
September	32.0 °C	139 mm	80 %
October	30.6 °C	178 mm	76 %
November	29.2 °C	124 mm	70 %
December	28.6 °C	53 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	30.3 °C	18.9 °C	24.4 °C	35.6 °C	14.4 °C	31	17
February	33.0 °C	20.5 °C	26.5 °C	37.7 °C	15.6 °C	28	27
March	36.0 °C	23.1 °C	29.3 °C	40.1 °C	17.1 °C	31	31
April	36.8 °C	25.4 °C	30.7 °C	41.0 °C	21.4 °C	30	30
May	36.2 °C	25.6 °C	30.3 °C	41.1 °C	22.9 °C	31	30
June	33.4 °C	24.3 °C	28.2 °C	39.6 °C	21.9 °C	30	28
July	32.4 °C	23.6 °C	27.5 °C	37.9 °C	21.6 °C	31	27
August	32.2 °C	23.4 °C	27.3 °C	36.3 °C	21.6 °C	31	27
September	32.0 °C	23.4 °C	27.3 °C	37.8 °C	21.3 °C	30	25
October	30.6 °C	22.9 °C	26.3 °C	37.4 °C	19.0 °C	31	20
November	29.2 °C	21.4 °C	25.0 °C	35.7 °C	15.6 °C	29	8
December	28.6 °C	19.3 °C	23.8 °C	34.3 °C	14.3 °C	30	6

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	6 mm	2	12 h/day	44 %	65 %	12 km/h
February	7 mm	2	12 h/day	33 %	56 %	12 km/h
March	18 mm	3	12 h/day	32 %	50 %	12 km/h
April	57 mm	8	12 h/day	48 %	56 %	10 km/h
May	95 mm	14	13 h/day	64 %	63 %	11 km/h
June	92 mm	16	13 h/day	85 %	71 %	15 km/h
July	84 mm	15	13 h/day	90 %	71 %	16 km/h
August	110 mm	16	13 h/day	88 %	72 %	15 km/h
September	139 mm	16	12 h/day	80 %	74 %	11 km/h
October	178 mm	19	12 h/day	76 %	78 %	9.4 km/h
November	124 mm	13	12 h/day	70 %	78 %	11 km/h
December	53 mm	6	11 h/day	58 %	74 %	12 km/h

How Salem 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
Salem	37 °C	19 °C	964 mm	363
Kumarapalayam · India	38 °C	20 °C	854 mm	364
Erode · India	38 °C	20 °C	793 mm	364
Karur · India	38 °C	20 °C	710 mm	364
Kallakurichi · India	38 °C	19 °C	973 mm	362

Where Salem ranks

Ranking	Position	Value
The warmest places in Asia in March	22nd of 50	36 °C
The warmest places in Asia in February	25th of 50	33 °C

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

QuestionsCommon questions about Salem’s climate

When is the best time to visit Salem?

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

How hot does Salem get?

In April, the warmest month, daily highs average 37 °C. About 276 days a year pass 30 °C. The highest value in the 1991–2020 record is 41 °C.

How cold does it get in winter?

Nights average 19 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Salem?

October, averaging 178 mm over 19 days with rain. The driest month is January with 6 mm. The year as a whole averages 964 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 Salem 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
Data point: 11.654°, 78.155° (the coordinates the reanalysis values are taken for)
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.