Khulna climate

Name: Khulna
Address: BD

Khulna is warmest in April, with average highs of 34 °C, and coldest in January, when nights average 13 °C. July is the wettest month (355 mm) and January the driest (8.2 mm). Figures are 1991–2020 climate normals.

Across a full year Khulna averages 1,762 mm of rain and 336 days above 25 °C.

Bangladesh · population 1,500,689 · 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 34 °C
Coldest month January 13 °C
Driest month January 8 mm
Wettest month July 355 mm
Least cloud January 19 % cloud
Hottest on record April 40 °C
Coldest on record January 8.2 °C

What to expectKhulna through the year

Khulna has a clear annual cycle: average daily highs run from 25 °C in January to 34 °C in April, a swing of 10 °C in mean temperature across the year.

Counted across a normal year, 336 days a year reach 25 °C, 194 of them reach 30 °C. The warmest reading in the 1991–2020 record is 40 °C, in April.

Rain is strongly seasonal. July averages 355 mm against 8 mm in January — 43 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	24.9 °C	8 mm	19 %
February	28.2 °C	19 mm	21 %
March	32.4 °C	44 mm	26 %
April	34.0 °C	119 mm	37 %
May	33.4 °C	185 mm	52 %
June	31.7 °C	304 mm	84 %
July	30.6 °C	355 mm	94 %
August	30.6 °C	299 mm	94 %
September	30.5 °C	237 mm	84 %
October	30.1 °C	147 mm	50 %
November	28.2 °C	35 mm	30 %
December	25.6 °C	10 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	24.9 °C	13.2 °C	18.8 °C	29.7 °C	8.2 °C	15	0
February	28.2 °C	16.4 °C	22.2 °C	35.8 °C	9.5 °C	25	6
March	32.4 °C	21.2 °C	26.6 °C	38.0 °C	13.4 °C	31	26
April	34.0 °C	24.7 °C	28.8 °C	40.3 °C	17.8 °C	30	27
May	33.4 °C	26.2 °C	29.3 °C	40.0 °C	21.6 °C	31	28
June	31.7 °C	26.4 °C	28.7 °C	38.0 °C	24.3 °C	30	24
July	30.6 °C	25.8 °C	27.8 °C	34.4 °C	23.4 °C	31	21
August	30.6 °C	25.6 °C	27.7 °C	34.0 °C	23.9 °C	31	21
September	30.5 °C	25.2 °C	27.4 °C	34.1 °C	20.9 °C	30	20
October	30.1 °C	23.1 °C	26.3 °C	33.8 °C	17.2 °C	31	17
November	28.2 °C	18.7 °C	23.3 °C	32.4 °C	12.4 °C	29	3
December	25.6 °C	14.7 °C	20.0 °C	29.9 °C	8.6 °C	22	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	8 mm	1	11 h/day	19 %	69 %	11 km/h
February	19 mm	3	11 h/day	21 %	67 %	11 km/h
March	44 mm	5	12 h/day	26 %	66 %	13 km/h
April	119 mm	11	13 h/day	37 %	74 %	16 km/h
May	185 mm	15	13 h/day	52 %	80 %	17 km/h
June	304 mm	24	14 h/day	84 %	85 %	17 km/h
July	355 mm	30	13 h/day	94 %	87 %	17 km/h
August	299 mm	29	13 h/day	94 %	87 %	16 km/h
September	237 mm	25	12 h/day	84 %	87 %	13 km/h
October	147 mm	15	12 h/day	50 %	84 %	9.8 km/h
November	35 mm	2	11 h/day	30 %	75 %	9.3 km/h
December	10 mm	1	11 h/day	23 %	71 %	9.8 km/h

How Khulna 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
Khulna	34 °C	13 °C	1,762 mm	336
Bagerhat · Bangladesh	34 °C	13 °C	1,847 mm	336
Jessore · Bangladesh	35 °C	12 °C	1,745 mm	332
Barishal · Bangladesh	33 °C	14 °C	1,964 mm	329

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

QuestionsCommon questions about Khulna’s climate

When is the best time to visit Khulna?

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 Khulna get?

In April, the warmest month, daily highs average 34 °C. About 194 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °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 Khulna?

July, averaging 355 mm over 30 days with rain. The driest month is January with 8 mm. The year as a whole averages 1,762 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 Khulna 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: 22.810°, 89.564° (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.