Cao Lãnh weather in March

In March, Cao Lãnh sees average daytime highs of 34°C and overnight lows near 25°C, with 31 mm of rain across 5.6 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 35% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Cao Lãnh's 2nd-clearest and 5th-windiest month. For the whole year in context, see Cao Lãnh's year-round climate.

Daytime high
34°
2nd warmest
Overnight low
25°
6th coldest
Rainfall
31 mm
5.6 wet days
Daylight
11 h 54 min
6:09 AM – 6:05 PM
Cloud cover
54%
2nd clearest
Wind
9 km/h
5th windiest
Solar energy
6.01 kWh/m²
Travel score
3.5
out of 10

Cao Lãnh is provincial city of Dong Thap, Viet Nam.

Density
1,980/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical March day in Cao Lãnh reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, March runs about 2°C warmer than February and about 1°C cooler than April.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93325
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273426
283426
293426
303426
313426

How March really feels in Cao Lãnh

Once humidity and wind are folded in, March averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
9 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cao Lãnh weather by month

How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°264.111.55.0
Feb32° / 23°131.911.74.7
Mar34° / 25°315.611.93.5
Apr35° / 26°7912.612.22.5
May33° / 26°17924.312.52.1
Jun32° / 26°21626.612.62.3
Jul31° / 25°22727.912.62.4
Aug32° / 25°24028.212.32.3
Sep32° / 25°27728.212.12.2
Oct32° / 25°28826.911.82.5
Nov32° / 24°14016.311.53.5
Dec31° / 23°638.911.44.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 23% of March, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35941
45941
56040
66139
76139
86139
96238
106238
116337
126337
136337
146238
156139
166040
175941
185941
195842
205743
215644
225644
235644
245545
255545
265644
275545
285545
295545
305545
315446

Chance of precipitation in March

Any precipitation

Cao Lãnh gets around 31 mm of rain over 5.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
18
29
39
49
510
610
711
811
912
1013
1114
1215
1316
1417
1519
1620
1721
1821
1922
2023
2124
2225
2325
2426
2526
2627
2727
2827
2927
3028
3128

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1239563
2238573
3238573
4237583
5235603
6134623
7133624
8131644
9130654
10129664
11127684
12125695
13024715
14023716
15021736
16020737
17019738
18018748
19017749
200167410
210157411
220147412
230137413
240137314
250127315
260117316
270117217
280107218
29097219
30097120
31087220

Wind in March

Winds average 9 km/h in March.

Across March, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 6:17 AM to 6:00 AM, and sunset from 6:04 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:176:04
211.86:176:04
311.86:166:04
411.86:166:04
511.86:156:05
611.86:156:05
711.86:146:05
811.86:146:05
911.96:136:05
1011.96:136:05
1111.96:126:05
1211.96:126:05
1311.96:116:05
1411.96:106:05
1511.96:106:05
1611.96:096:05
1711.96:096:05
1811.96:086:05
1912.06:086:05
2012.06:076:05
2112.06:066:05
2212.06:066:05
2312.06:056:05
2412.06:046:05
2512.06:046:05
2612.06:036:05
2712.06:036:05
2812.06:026:05
2912.16:016:05
3012.16:016:05
3112.16:006:05

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.01 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 6.01 kWh/m² in March across the year — March's 6.01 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Bright
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in March

Hazard calendar for Cao Lãnh

In seasonPeak

None of Cao Lãnh's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Cao Lãnh's rainy season runs May–November, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Cao Lãnh?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.5
Sightseeing
4th-best month of the year
6.6
Beach & pool
3rd-best month of the year

March is a weaker month for outdoor sightseeing in Cao Lãnh. The water and warmth also suit a beach or pool day.

What to pack for Cao Lãnh in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Cao Lãnh sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Cao Lãnh in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cao Lãnh peaks around August 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 22UV 13Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Cao Lãnh in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Cao Lãnh is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (August, 30 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1172 µg/m³Aug 1331 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb59Unhealthy
Mar53Poor
Apr53Poor
May47Poor
Jun38Poor
Jul34Moderate
Aug30Moderate
Sep40Poor
Oct56Unhealthy
Nov68Unhealthy
Dec70Unhealthy
Location & terrain

Where is Cao Lãnh?

Cao Lãnh sits at 10.5°N, 105.6°E, 5 m above sea level, in Vietnam. The nearest listed city is Quận Đức Thịnh, 20 km away.

Topography around Cao Lãnh

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cao Lãnh.

Within 3 km, the terrain around Cao Lãnh has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Cao Lãnh is covered by trees (49%) and artificial surfaces (32%) within 3 km, cropland (51%) and trees (35%) within 16 km, and cropland (69%) and trees (24%) within 80 km.

3 km
19 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Quận Đức Thịnh 20 km · Lai Vung 23 km · Long Xuyên 23 km · Sa Dec 23 km · Thốt Nốt 24 km · Tràm Chim 24 km · Kiến An 31 km · Vĩnh Thạnh 37 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Cao Lãnh (10.4602°, 105.6329°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).