Cai Lậy weather in March

In March, Cai Lậy sees average daytime highs of 33°C and overnight lows near 25°C, with 30 mm of rain across 5.4 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 33°C through the month. The sky is clear or mostly clear about 36% 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 Cai Lậy's 1st-clearest and 3rd-windiest month. For the whole year in context, see Cai Lậy's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
25°
6th coldest
Rainfall
30 mm
5.4 wet days
Daylight
11 h 54 min
6:07 AM – 6:03 PM
Cloud cover
53%
1st clearest
Wind
9 km/h
3rd windiest
Solar energy
6.05 kWh/m²
Travel score
3.7
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in Cai Lậy reaches about 33°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
103325
113325
123325
133325
143325
153425
163425
173425
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283426
293426
303426
313426

How March really feels in Cai Lậy

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
6 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.

Cai Lậy 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°274.211.55.1
Feb32° / 23°111.711.74.8
Mar33° / 25°305.411.93.7
Apr34° / 26°7512.212.22.7
May33° / 26°17724.212.52.2
Jun32° / 26°21526.312.62.4
Jul31° / 25°23327.812.52.5
Aug31° / 25°25228.712.32.4
Sep31° / 25°28127.912.12.3
Oct31° / 25°29126.811.82.6
Nov31° / 24°14116.411.53.5
Dec31° / 23°679.211.44.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in March, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of March, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
26040
36040
46238
56238
66337
76337
86337
96436
106436
116436
126436
136436
146436
156337
166238
176040
185941
195941
205842
215842
225743
235842
245842
255743
265743
275743
285644
295743
305743
315743

Chance of precipitation in March

Any precipitation

Cai Lậy gets around 30 mm of rain over 5.4 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 18% 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 (%)
17
28
38
48
59
69
79
810
911
1012
1113
1214
1315
1416
1517
1618
1719
1820
1921
2022
2123
2224
2324
2425
2526
2626
2726
2827
2927
3027
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 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1237583
2236584
3135604
4134614
5132634
6131644
7129655
8128665
9126685
10125695
11123706
12121726
13020746
14018757
15016777
16015778
17014779
180127810
190117910
200107911
210107812
22097813
23087814
24087715
25077617
26077518
27067519
28067420
29057421
30057322
31047323

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 10 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
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
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 6:15 AM to 5:58 AM, and sunset from 6:02 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:156:02
211.86:156:02
311.86:146:02
411.86:146:03
511.86:136:03
611.86:136:03
711.86:126:03
811.96:126:03
911.96:116:03
1011.96:116:03
1111.96:106:03
1211.96:106:03
1311.96:096:03
1411.96:086:03
1511.96:086:03
1611.96:076:03
1711.96:076:03
1811.96:066:03
1912.06:066:03
2012.06:056:03
2112.06:046:03
2212.06:046:03
2312.06:036:03
2412.06:036:03
2512.06:026:03
2612.06:016:03
2712.06:016:03
2812.06:006:03
2912.15:596:03
3012.15:596:03
3112.15:586:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.05 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 6.05 kWh/m² in March across the year — March's 6.05 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.0Intense
196.0Intense
206.0Intense
216.0Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in March

Hazard calendar for Cai Lậy

In seasonPeak

In March, Cai Lậy sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Cai Lậy sits in the Pacific typhoon belt; the season peaks July–October.

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

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

Is March a good time to visit Cai Lậy?

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

3.7
Sightseeing
4th-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Cai Lậy in March

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

In March, Cai Lậy sees daytime highs around 33°C and nights near 25°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Cai Lậy 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 Cai Lậy peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Nov 20UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Cai Lậy 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 Cai Lậy 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 Cai Lậy?

Cai Lậy sits at 10.4°N, 106.1°E, 3 m above sea level, in Vietnam. The nearest listed city is Vĩnh Long, 23 km away.

Topography around Cai Lậy

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

Within 3 km, the terrain around Cai Lậy has only modest variations in elevation — a maximum elevation change of 11 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, only modest variations in elevation — a maximum elevation change of 34 m.

The land around Cai Lậy is covered by trees (78%) within 3 km, trees (61%) and cropland (29%) within 16 km, and cropland (48%) and trees (35%) within 80 km.

3 km
11 m
16 km
16 m
80 km
34 m
treesgrasslandcroplandartificial surfaceswatermangroves
March weather nearby: Vĩnh Long 23 km · Mỹ Tho 27 km · Bến Tre 33 km · Tân An 36 km · Sa Dec 41 km · Quận Đức Thịnh 43 km · Bình Minh 49 km · Cao Lãnh 53 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 Cai Lậy (10.4°, 106.1167°, elevation 3 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).