Mumbai climate

Name: Mumbai
Address: IN

Mumbai is warmest in April, with average highs of 33 °C, and coldest in January, when nights average 19 °C. July is the wettest month (655 mm) and April the driest (0.3 mm). Figures are 1991–2020 climate normals.

Across a full year Mumbai averages 1,924 mm of rain and 364 days above 25 °C.

India · population 12,691,836 · 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 33 °C
Coldest month January 19 °C
Driest month April 0 mm
Wettest month July 655 mm
Least cloud February 12 % cloud
Hottest on record April 39 °C
Coldest on record February 13 °C
Warmest sea May 30 °C

What to expectMumbai through the year

Mumbai has a clear annual cycle: average daily highs run from 29 °C in January to 33 °C in April, a swing of 5.5 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 199 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in April.

Rain is strongly seasonal. July averages 655 mm against 0 mm in April — 2,006 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Mumbai is warmest in May at 30 °C and coldest in January at 25 °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	29.4 °C	1 mm	15 %
February	30.2 °C	1 mm	12 %
March	32.1 °C	1 mm	14 %
April	32.6 °C	under 1 mm	17 %
May	32.4 °C	16 mm	32 %
June	30.0 °C	432 mm	77 %
July	27.8 °C	655 mm	92 %
August	27.5 °C	460 mm	89 %
September	28.5 °C	277 mm	73 %
October	31.1 °C	67 mm	42 %
November	31.7 °C	8 mm	24 %
December	30.4 °C	7 mm	22 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.4 °C	18.8 °C	23.8 °C	34.2 °C	14.4 °C	31	12
February	30.2 °C	19.5 °C	24.6 °C	36.3 °C	13.0 °C	28	15
March	32.1 °C	21.8 °C	26.7 °C	38.2 °C	16.4 °C	31	25
April	32.6 °C	24.1 °C	28.1 °C	39.0 °C	18.9 °C	30	29
May	32.4 °C	26.5 °C	29.3 °C	38.1 °C	22.9 °C	31	31
June	30.0 °C	26.5 °C	28.0 °C	34.8 °C	24.6 °C	30	13
July	27.8 °C	25.5 °C	26.5 °C	30.5 °C	24.0 °C	31	0
August	27.5 °C	25.1 °C	26.2 °C	31.1 °C	24.0 °C	31	0
September	28.5 °C	24.9 °C	26.6 °C	33.8 °C	21.7 °C	30	4
October	31.1 °C	24.4 °C	27.6 °C	35.5 °C	20.0 °C	31	22
November	31.7 °C	22.5 °C	26.9 °C	34.7 °C	18.3 °C	30	27
December	30.4 °C	19.9 °C	24.9 °C	33.4 °C	15.4 °C	31	21

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	1 mm	0	11 h/day	15 %	62 %	16 km/h	25.3 °C
February	1 mm	0	12 h/day	12 %	62 %	17 km/h	25.4 °C
March	1 mm	0	12 h/day	14 %	65 %	19 km/h	26.9 °C
April	under 1 mm	0	13 h/day	17 %	72 %	19 km/h	28.7 °C
May	16 mm	3	13 h/day	32 %	74 %	19 km/h	29.7 °C
June	432 mm	25	13 h/day	77 %	84 %	21 km/h	29.6 °C
July	655 mm	31	13 h/day	92 %	89 %	23 km/h	28.5 °C
August	460 mm	30	13 h/day	89 %	89 %	20 km/h	27.8 °C
September	277 mm	23	12 h/day	73 %	87 %	17 km/h	28.2 °C
October	67 mm	9	12 h/day	42 %	78 %	13 km/h	28.8 °C
November	8 mm	1	11 h/day	24 %	65 %	14 km/h	28.0 °C
December	7 mm	0	11 h/day	22 %	62 %	14 km/h	26.8 °C

How Mumbai 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
Mumbai	33 °C	19 °C	1,924 mm	364
Thāne · India	35 °C	17 °C	1,466 mm	365
Borivli · India	33 °C	19 °C	1,483 mm	364
Bhayandar · India	35 °C	18 °C	1,501 mm	365
Panvel · India	35 °C	17 °C	2,010 mm	365
Dombivali · India	37 °C	16 °C	1,472 mm	365
Kalyān · India	37 °C	17 °C	1,642 mm	365

Where Mumbai ranks

Ranking	Position	Value
The driest places in Asia in April	4th of 50	0.3 mm
Best beach destinations in Asia year-round	9th of 50	83/100
The driest places in Asia in March	9th of 50	0.7 mm
The driest places in Asia in January	15th of 50	0.8 mm
The driest places in Asia in February	20th of 50	0.6 mm
Best beach destinations in Asia in May	22nd of 50	81/100

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

QuestionsCommon questions about Mumbai’s climate

When is the best time to visit Mumbai?

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, April is the warmest month and April the driest. The month-by-month table above has the full picture.

How hot does Mumbai get?

In April, the warmest month, daily highs average 33 °C. About 199 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °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 Mumbai?

July, averaging 655 mm over 31 days with rain. The driest month is April with 0 mm. The year as a whole averages 1,924 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 Mumbai 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: 19.073°, 72.883° (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.