Cai Lậy weather in October

In October, Cai Lậy sees average daytime highs of 31°C and overnight lows near 25°C, with 291 mm of rain across 26.8 wet days and about 11.8 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in October, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 36 min by month's end. Set against the rest of the year, October is Cai Lậy's 8th-clearest and 12th-windiest month. For the whole year in context, see Cai Lậy's year-round climate.

Daytime high
31°
6th warmest
Overnight low
25°
5th coldest
Rainfall
291 mm
26.8 wet days
Daylight
11 h 48 min
5:48 AM – 5:34 PM
Cloud cover
84%
8th clearest
Wind
6 km/h
12th windiest
Solar energy
4.3 kWh/m²
Travel score
2.6
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Cai Lậy reaches about 31°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283124
293124
303124
313124

How October really feels in Cai Lậy

Once humidity and wind are folded in, October 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
17 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Cai Lậy weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 86%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4991
5991
6991
71090
81090
91090
101189
111189
121387
131387
141387
151387
161387
171387
181486
191486
201684
211684
221783
231783
241783
251882
261981
272080
282080
292179
302278
312278

Chance of precipitation in October

Any precipitation

Cai Lậy gets around 291 mm of rain over 26.8 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
193
293
394
494
594
694
794
893
993
1093
1193
1292
1392
1491
1590
1689
1788
1887
1986
2085
2184
2282
2380
2479
2577
2675
2774
2872
2971
3069
3168

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the miserable band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
101090
201189
301189
401189
501189
601189
701189
801189
901189
1001288
1101288
1201288
1301288
1401387
1501387
1601486
1701486
1811584
1911683
2011782
2111881
2211980
2312079
2412277
2522474
2622672
2722870
2822969
2923167
3023266
3133463

Wind in October

Winds average 6 km/h in October, the calmest month.

Across October, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over October. Sunrise moves from 5:47 AM to 5:50 AM, and sunset from 5:42 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:475:42
211.95:475:41
311.95:475:41
411.95:475:40
511.95:475:39
611.95:475:39
711.95:475:38
811.85:475:38
911.85:475:37
1011.85:475:37
1111.85:475:36
1211.85:475:35
1311.85:475:35
1411.85:475:34
1511.85:485:34
1611.85:485:34
1711.85:485:33
1811.75:485:33
1911.75:485:32
2011.75:485:32
2111.75:485:31
2211.75:485:31
2311.75:485:31
2411.75:495:30
2511.75:495:30
2611.75:495:30
2711.75:495:29
2811.75:495:29
2911.65:505:29
3011.65:505:28
3111.65:505:28

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.3 kWh/m² — the year's lowest.

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 — October's 4.3 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.5Bright
314.5Bright
Planning a trip in October

Hazard calendar for Cai Lậy

In seasonPeak

In October, Cai Lậy sits inside its pacific typhoon and rainy season 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 October a good time to visit Cai Lậy?

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

2.6
Sightseeing
7th-best month of the year
4.0
Beach & pool
8th-best month of the year

October is a weaker month for outdoor sightseeing in Cai Lậy.

What to pack for Cai Lậy in October

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

In October, Cai Lậy sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Cai Lậy in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 9 (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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).