Narayanganj climate

Name: Narayanganj
Address: BD

Narayanganj is warmest in April, with average highs of 32 °C, and coldest in January, when nights average 13 °C. July is the wettest month (360 mm) and January the driest (7.6 mm). Figures are 1991–2020 climate normals.

Across a full year Narayanganj averages 1,962 mm of rain and 323 days above 25 °C.

Bangladesh · population 223,622 · 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 32 °C
Coldest month January 13 °C
Driest month January 8 mm
Wettest month July 360 mm
Least cloud January 20 % cloud
Hottest on record April 38 °C
Coldest on record January 8.9 °C

What to expectNarayanganj through the year

Narayanganj has a clear annual cycle: average daily highs run from 24 °C in January to 32 °C in April, a swing of 9.7 °C in mean temperature across the year.

Counted across a normal year, 323 days a year reach 25 °C, 175 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in April.

Rain is strongly seasonal. July averages 360 mm against 8 mm in January — 48 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	24.1 °C	8 mm	20 %
February	27.3 °C	19 mm	22 %
March	31.5 °C	69 mm	27 %
April	32.4 °C	152 mm	41 %
May	31.9 °C	296 mm	57 %
June	30.9 °C	340 mm	85 %
July	30.2 °C	360 mm	94 %
August	30.4 °C	282 mm	93 %
September	30.5 °C	261 mm	84 %
October	30.0 °C	141 mm	48 %
November	28.0 °C	27 mm	28 %
December	25.1 °C	9 mm	23 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	24.1 °C	13.4 °C	18.6 °C	28.2 °C	8.9 °C	9	0
February	27.3 °C	16.2 °C	21.7 °C	35.0 °C	9.9 °C	23	3
March	31.5 °C	20.7 °C	26.0 °C	37.2 °C	12.7 °C	31	22
April	32.4 °C	24.0 °C	27.9 °C	38.3 °C	17.6 °C	30	24
May	31.9 °C	25.4 °C	28.3 °C	37.4 °C	21.5 °C	31	25
June	30.9 °C	26.1 °C	28.1 °C	35.4 °C	24.0 °C	30	22
July	30.2 °C	25.8 °C	27.6 °C	34.9 °C	23.6 °C	31	18
August	30.4 °C	25.7 °C	27.6 °C	34.2 °C	24.1 °C	31	20
September	30.5 °C	25.3 °C	27.5 °C	34.6 °C	22.3 °C	30	20
October	30.0 °C	23.4 °C	26.5 °C	33.9 °C	17.8 °C	31	17
November	28.0 °C	19.1 °C	23.4 °C	32.2 °C	13.8 °C	29	2
December	25.1 °C	15.1 °C	19.9 °C	28.7 °C	9.4 °C	17	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	8 mm	1	11 h/day	20 %	72 %	11 km/h
February	19 mm	3	11 h/day	22 %	69 %	11 km/h
March	69 mm	6	12 h/day	27 %	67 %	13 km/h
April	152 mm	13	13 h/day	41 %	77 %	16 km/h
May	296 mm	21	13 h/day	57 %	83 %	17 km/h
June	340 mm	26	14 h/day	85 %	87 %	18 km/h
July	360 mm	30	13 h/day	94 %	87 %	19 km/h
August	282 mm	29	13 h/day	93 %	87 %	17 km/h
September	261 mm	26	12 h/day	84 %	87 %	14 km/h
October	141 mm	15	12 h/day	48 %	84 %	9.9 km/h
November	27 mm	3	11 h/day	28 %	77 %	9.2 km/h
December	9 mm	1	11 h/day	23 %	75 %	9.5 km/h

How Narayanganj 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
Narayanganj	32 °C	13 °C	1,962 mm	323
Dhaka · Bangladesh	33 °C	13 °C	1,988 mm	323
Kafrul · Bangladesh	33 °C	13 °C	1,912 mm	326
Narsingdi · Bangladesh	32 °C	13 °C	2,196 mm	327
Gazipur · Bangladesh	33 °C	12 °C	2,121 mm	328
Chāndpur · Bangladesh	32 °C	14 °C	1,975 mm	325
Nagar Naluākot · Bangladesh	32 °C	13 °C	2,317 mm	328

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

QuestionsCommon questions about Narayanganj’s climate

When is the best time to visit Narayanganj?

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 Narayanganj get?

In April, the warmest month, daily highs average 32 °C. About 175 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 13 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Narayanganj?

July, averaging 360 mm over 30 days with rain. The driest month is January with 8 mm. The year as a whole averages 1,962 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 Narayanganj 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.