Cox’s Bāzār climate

Name: Cox’s Bāzār
Address: BD

Cox’s Bāzār is warmest in April, with average highs of 31 °C, and coldest in January, when nights average 16 °C. July is the wettest month (663 mm) and January the driest (5.1 mm). Figures are 1991–2020 climate normals.

Across a full year Cox’s Bāzār averages 2,645 mm of rain and 323 days above 25 °C.

Bangladesh · population 253,788 · 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 31 °C
Coldest month January 16 °C
Driest month January 5 mm
Wettest month July 663 mm
Least cloud January 13 % cloud
Hottest on record April 36 °C
Coldest on record January 12 °C
Warmest sea October 30 °C

What to expectCox’s Bāzār through the year

Cox’s Bāzār has a clear annual cycle: average daily highs run from 24 °C in January to 31 °C in April, a swing of 7.9 °C in mean temperature across the year.

Counted across a normal year, 323 days a year reach 25 °C, 82 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in April.

Rain is strongly seasonal. July averages 663 mm against 5 mm in January — 130 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Cox’s Bāzār is warmest in October at 30 °C and coldest in January at 24 °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	24.3 °C	5 mm	13 %
February	26.7 °C	10 mm	16 %
March	29.7 °C	31 mm	23 %
April	31.1 °C	53 mm	33 %
May	30.7 °C	227 mm	54 %
June	29.0 °C	588 mm	89 %
July	28.1 °C	663 mm	95 %
August	28.3 °C	475 mm	94 %
September	28.8 °C	340 mm	87 %
October	29.0 °C	195 mm	56 %
November	27.6 °C	45 mm	30 %
December	25.3 °C	14 mm	20 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	24.3 °C	16.2 °C	20.1 °C	29.0 °C	11.6 °C	9	0
February	26.7 °C	18.0 °C	22.3 °C	31.7 °C	11.8 °C	24	0
March	29.7 °C	21.6 °C	25.6 °C	33.7 °C	15.8 °C	31	14
April	31.1 °C	24.5 °C	27.7 °C	35.7 °C	19.7 °C	30	24
May	30.7 °C	25.7 °C	28.0 °C	34.7 °C	22.5 °C	31	22
June	29.0 °C	25.6 °C	27.0 °C	33.6 °C	23.4 °C	30	8
July	28.1 °C	25.2 °C	26.4 °C	31.5 °C	23.3 °C	31	1
August	28.3 °C	25.1 °C	26.4 °C	31.5 °C	23.9 °C	31	2
September	28.8 °C	25.0 °C	26.6 °C	31.9 °C	23.2 °C	30	4
October	29.0 °C	24.1 °C	26.3 °C	32.4 °C	19.0 °C	31	6
November	27.6 °C	21.0 °C	24.1 °C	31.1 °C	15.2 °C	29	1
December	25.3 °C	17.6 °C	21.3 °C	29.7 °C	12.4 °C	17	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	5 mm	1	11 h/day	13 %	71 %	16 km/h	24.2 °C
February	10 mm	1	11 h/day	16 %	70 %	17 km/h	24.3 °C
March	31 mm	3	12 h/day	23 %	74 %	19 km/h	26.2 °C
April	53 mm	6	13 h/day	33 %	78 %	19 km/h	28.3 °C
May	227 mm	18	13 h/day	54 %	83 %	20 km/h	29.3 °C
June	588 mm	27	13 h/day	89 %	90 %	22 km/h	29.2 °C
July	663 mm	30	13 h/day	95 %	91 %	22 km/h	28.7 °C
August	475 mm	30	13 h/day	94 %	91 %	21 km/h	28.5 °C
September	340 mm	27	12 h/day	87 %	90 %	17 km/h	29.1 °C
October	195 mm	17	12 h/day	56 %	87 %	14 km/h	29.5 °C
November	45 mm	4	11 h/day	30 %	79 %	13 km/h	28.3 °C
December	14 mm	1	11 h/day	20 %	74 %	14 km/h	26.0 °C

How Cox’s Bāzār 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
Cox’s Bāzār	31 °C	16 °C	2,645 mm	323
Bāndarban · Bangladesh	34 °C	14 °C	2,072 mm	343
Chattogram · Bangladesh	31 °C	15 °C	2,608 mm	316
Hāthazāri · Bangladesh	31 °C	15 °C	2,622 mm	326
Karnaphuli · Bangladesh	33 °C	14 °C	1,929 mm	326
Sittwe · Myanmar	32 °C	17 °C	3,044 mm	352
Barishal · Bangladesh	33 °C	14 °C	1,964 mm	329

Where Cox’s Bāzār ranks

Ranking	Position	Value
Best beach destinations in Asia in February	8thof 50	99/100
Best beach destinations in Asia in March	8thof 50	98/100
Best beach destinations in the world in March	14thof 50	98/100
Best beach destinations in the world in February	15thof 50	99/100
Best beach destinations in Asia year-round	16thof 50	81/100
Best beach destinations in Asia in December	22ndof 50	97/100

Planning a trip? See the best time to visit Cox’s Bāzār.

QuestionsCommon questions about Cox’s Bāzār’s climate

When is the best time to visit Cox’s Bāzār?

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 January the driest. The month-by-month table above has the full picture.

How hot does Cox’s Bāzār get?

In April, the warmest month, daily highs average 31 °C. About 82 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 16 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Cox’s Bāzār?

July, averaging 663 mm over 30 days with rain. The driest month is January with 5 mm. The year as a whole averages 2,645 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 Cox’s Bāzār 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.