Cao Lãnh climate

Name: Cao Lãnh
Address: VN

Cao Lãnh is warmest in April, with average highs of 34 °C, and coldest in January, when nights average 22 °C. October is the wettest month (294 mm) and February the driest (12 mm). Figures are 1991–2020 climate normals.

Across a full year Cao Lãnh averages 1,814 mm of rain and 365 days above 25 °C.

Vietnam · population 211,912 · 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 22 °C
Driest month February 12 mm
Wettest month October 294 mm
Least cloud March 51 % cloud
Hottest on record May 38 °C
Coldest on record December 16 °C

What to expectCao Lãnh through the year

Cao Lãnh has a clear annual cycle: average daily highs run from 30 °C in January to 34 °C in April, a swing of 3.0 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 271 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in May.

Rain is strongly seasonal. October averages 294 mm against 12 mm in February — 24 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.4 °C	24 mm	60 %
February	31.7 °C	12 mm	53 %
March	33.5 °C	35 mm	51 %
April	33.8 °C	80 mm	59 %
May	32.2 °C	184 mm	79 %
June	30.6 °C	220 mm	85 %
July	30.3 °C	233 mm	86 %
August	30.4 °C	244 mm	87 %
September	30.4 °C	286 mm	88 %
October	30.4 °C	294 mm	83 %
November	30.5 °C	137 mm	70 %
December	30.1 °C	64 mm	69 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.4 °C	21.9 °C	25.9 °C	34.5 °C	16.7 °C	31	19
February	31.7 °C	22.5 °C	26.8 °C	35.0 °C	18.5 °C	28	25
March	33.5 °C	24.1 °C	28.3 °C	37.6 °C	20.1 °C	31	31
April	33.8 °C	25.2 °C	28.9 °C	37.5 °C	22.6 °C	30	29
May	32.2 °C	25.5 °C	28.1 °C	37.9 °C	23.1 °C	31	27
June	30.6 °C	25.1 °C	27.2 °C	36.1 °C	23.2 °C	30	20
July	30.3 °C	24.8 °C	26.9 °C	33.4 °C	22.9 °C	31	19
August	30.4 °C	24.8 °C	26.9 °C	33.0 °C	23.3 °C	31	20
September	30.4 °C	24.5 °C	26.6 °C	33.2 °C	22.7 °C	30	20
October	30.4 °C	23.9 °C	26.4 °C	32.8 °C	20.4 °C	31	22
November	30.5 °C	23.5 °C	26.4 °C	33.0 °C	17.8 °C	30	22
December	30.1 °C	22.5 °C	26.0 °C	34.0 °C	15.8 °C	30	18

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	24 mm	4	12 h/day	60 %	75 %	12 km/h
February	12 mm	2	12 h/day	53 %	71 %	14 km/h
March	35 mm	5	12 h/day	51 %	69 %	15 km/h
April	80 mm	12	12 h/day	59 %	73 %	13 km/h
May	184 mm	24	13 h/day	79 %	82 %	14 km/h
June	220 mm	27	13 h/day	85 %	86 %	16 km/h
July	233 mm	28	13 h/day	86 %	85 %	17 km/h
August	244 mm	28	12 h/day	87 %	85 %	18 km/h
September	286 mm	28	12 h/day	88 %	86 %	16 km/h
October	294 mm	27	12 h/day	83 %	86 %	12 km/h
November	137 mm	17	12 h/day	70 %	81 %	12 km/h
December	64 mm	9	12 h/day	69 %	76 %	13 km/h

How Cao Lãnh 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
Cao Lãnh	34 °C	22 °C	1,814 mm	365
Long Xuyên · Vietnam	34 °C	22 °C	1,732 mm	365
Sa Dec · Vietnam	34 °C	22 °C	1,845 mm	364
Thốt Nốt · Vietnam	34 °C	22 °C	1,820 mm	364
Cần Thơ · Vietnam	33 °C	22 °C	1,858 mm	364
Tân Châu · Vietnam	34 °C	22 °C	1,657 mm	365
Rạch Giá · Vietnam	33 °C	22 °C	1,978 mm	364

Where Cao Lãnh ranks

Ranking	Position	Value
The warmest places in Asia in December	35thof 50	30 °C

Planning a trip? See the best time to visit Cao Lãnh.

QuestionsCommon questions about Cao Lãnh’s climate

When is the best time to visit Cao Lãnh?

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

How hot does Cao Lãnh get?

In April, the warmest month, daily highs average 34 °C. About 271 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 22 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Cao Lãnh?

October, averaging 294 mm over 27 days with rain. The driest month is February with 12 mm. The year as a whole averages 1,814 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 Cao Lãnh 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.