Cai Lậy weather in July

In July, Cai Lậy sees average daytime highs of 31°C and overnight lows near 25°C, with 233 mm of rain across 27.8 wet days and about 12.5 hours of daylight. It is the 10th-warmest and 4th-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 2% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of July to 12 h 30 min by month's end. Set against the rest of the year, July is Cai Lậy's 10th-clearest and 2nd-windiest month. For the whole year in context, see Cai Lậy's year-round climate.

Daytime high: 31°; 10th warmest
Overnight low: 25°; 9th coldest
Rainfall: 233 mm; 27.8 wet days
Daylight: 12 h 36 min; 5:45 AM – 6:18 PM
Cloud cover: 87%; 10th clearest
Wind: 11 km/h; 2nd windiest
Solar energy: 4.72 kWh/m²
Travel score: 2.5; out of 10

← June Cai Lậy year-round climate August →Best places to visit in July

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Cai Lậy reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°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, July runs on par with June and on par with August.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31
Avg low (°C)	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25	25

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	31	25
6	31	25
7	31	25
8	31	25
9	31	25
10	31	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	31	25
20	31	25
21	31	25
22	31	25
23	31	25
24	31	25
25	31	25
26	31	25
27	31	25
28	31	25
29	31	25
30	31	25
31	31	25

How July really feels in Cai Lậy

Once humidity and wind are folded in, July 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

17 feel dangerously hot (≥ 39°C)

Days feeling ≤ 0°C

wind chill below the day's low

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

Cai Lậy weather by month

How July compares with the rest of the year at a glance. July is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	27	4.2	11.5	5.1
Feb	32° / 23°	11	1.7	11.7	4.8
Mar	33° / 25°	30	5.4	11.9	3.7
Apr	34° / 26°	75	12.2	12.2	2.7
May	33° / 26°	177	24.2	12.5	2.2
Jun	32° / 26°	215	26.3	12.6	2.4
Jul	31° / 25°	233	27.8	12.5	2.5
Aug	31° / 25°	252	28.7	12.3	2.4
Sep	31° / 25°	281	27.9	12.1	2.3
Oct	31° / 25°	291	26.8	11.8	2.6
Nov	31° / 24°	141	16.4	11.5	3.5
Dec	31° / 23°	67	9.2	11.4	4.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 91%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	8	8	8	8	9	9	9	9	9	9	10	10	10	10	10	11	11	11	11	10	10	10	9	9	9	7	7	7	6	6	6
Cloudier (%)	92	92	92	92	91	91	91	91	91	91	90	90	90	90	90	89	89	89	89	90	90	90	91	91	91	93	93	93	94	94	94

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	9	91
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	11	89
17	11	89
18	11	89
19	11	89
20	10	90
21	10	90
22	10	90
23	9	91
24	9	91
25	9	91
26	7	93
27	7	93
28	7	93
29	6	94
30	6	94
31	6	94

Chance of precipitation in July

Any precipitation

Cai Lậy gets around 233 mm of rain over 27.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 91% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	90	90	90	90	91	91	91	91	91	90	90	90	90	90	89	89	89	89	89	89	89	89	89	89	89	89	89	89	90	90	90

	Rain chance (%)
1	90
2	90
3	90
4	90
5	91
6	91
7	91
8	91
9	91
10	90
11	90
12	90
13	90
14	90
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	89
27	89
28	89
29	90
30	90
31	90

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Oppressive (%)	5	5	5	6	6	6	7	7	7	7	7	7	8	8	8	8	8	9	9	9	9	9	10	10	10	11	11	11	12	12	12
Miserable (%)	95	95	95	94	94	94	93	93	93	93	93	93	92	92	92	92	92	91	91	91	91	91	90	90	90	89	89	89	88	88	88

	Oppressive (%)	Miserable (%)
1	5	95
2	5	95
3	5	95
4	6	94
5	6	94
6	6	94
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	8	92
14	8	92
15	8	92
16	8	92
17	8	92
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	11	89
27	11	89
28	11	89
29	12	88
30	12	88
31	12	88

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	11	11	11	11	11	11	11	11	11	11	11	12	12	12
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	12	calm
30	12	calm
31	12	calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 36 min at the start of July to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over July. Sunrise moves from 5:41 AM to 5:48 AM, and sunset from 6:17 PM to 6:16 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
Sunrise (AM)	5:41	5:41	5:41	5:42	5:42	5:42	5:42	5:43	5:43	5:43	5:43	5:44	5:44	5:44	5:44	5:45	5:45	5:45	5:45	5:45	5:46	5:46	5:46	5:46	5:46	5:47	5:47	5:47	5:47	5:47	5:48
Sunset (PM)	6:17	6:17	6:17	6:17	6:17	6:17	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:18	6:17	6:17	6:17	6:17	6:17	6:17	6:17	6:16	6:16	6:16	6:16

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.6	5:41	6:17
2	12.6	5:41	6:17
3	12.6	5:41	6:17
4	12.6	5:42	6:17
5	12.6	5:42	6:17
6	12.6	5:42	6:17
7	12.6	5:42	6:18
8	12.6	5:43	6:18
9	12.6	5:43	6:18
10	12.6	5:43	6:18
11	12.6	5:43	6:18
12	12.6	5:44	6:18
13	12.6	5:44	6:18
14	12.6	5:44	6:18
15	12.6	5:44	6:18
16	12.6	5:45	6:18
17	12.5	5:45	6:18
18	12.5	5:45	6:18
19	12.5	5:45	6:18
20	12.5	5:45	6:18
21	12.5	5:46	6:17
22	12.5	5:46	6:17
23	12.5	5:46	6:17
24	12.5	5:46	6:17
25	12.5	5:46	6:17
26	12.5	5:47	6:17
27	12.5	5:47	6:17
28	12.5	5:47	6:16
29	12.5	5:47	6:16
30	12.5	5:47	6:16
31	12.5	5:48	6:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.72 kWh/m².

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 — July's 4.72 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.7	4.7	4.7	4.7	4.7	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.6	4.6	4.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.7	Bright
2	4.7	Bright
3	4.7	Bright
4	4.7	Bright
5	4.7	Bright
6	4.8	Bright
7	4.8	Bright
8	4.8	Bright
9	4.8	Bright
10	4.8	Bright
11	4.8	Bright
12	4.8	Bright
13	4.8	Bright
14	4.8	Bright
15	4.8	Bright
16	4.8	Bright
17	4.7	Bright
18	4.7	Bright
19	4.7	Bright
20	4.7	Bright
21	4.7	Bright
22	4.7	Bright
23	4.7	Bright
24	4.7	Bright
25	4.7	Bright
26	4.6	Bright
27	4.6	Bright
28	4.6	Bright
29	4.6	Bright
30	4.6	Bright
31	4.6	Bright

Planning a trip in July

Hazard calendar for Cai Lậy

In seasonPeak

In July, 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 July a good time to visit Cai Lậy?

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

2.5

Sightseeing

8th-best month of the year

3.8

Beach & pool

10th-best month of the year

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

What to pack for Cai Lậy in July

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

In July, Cai Lậy sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Cai Lậy in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	11	13	13	12	11	12	13	13	9	9	9
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	11	Extreme
Mar	13	Extreme
Apr	13	Extreme
May	12	Extreme
Jun	11	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	9	Very high
Nov	9	Very high
Dec	9	Very high

Air quality in Cai Lậy in July

GoodModeratePoorUnhealthyVery unhealthy

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	72	59	53	53	47	38	34	30	40	56	68	70
Level	Unhealthy	Unhealthy	Poor	Poor	Poor	Poor	Moderate	Moderate	Poor	Unhealthy	Unhealthy	Unhealthy

	PM2.5 (µg/m³)	Level
Jan	72	Unhealthy
Feb	59	Unhealthy
Mar	53	Poor
Apr	53	Poor
May	47	Poor
Jun	38	Poor
Jul	34	Moderate
Aug	30	Moderate
Sep	40	Poor
Oct	56	Unhealthy
Nov	68	Unhealthy
Dec	70	Unhealthy

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

trees 78%

16 km

16 m

trees 61%

80 km

34 m

cropland 48%

treesgrasslandcroplandartificial surfaceswatermangroves

← June Cai Lậy year-round climate August →Best places to visit in July

July 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

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).

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	31	25
6	31	25
7	31	25
8	31	25
9	31	25
10	31	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	31	25
20	31	25
21	31	25
22	31	25
23	31	25
24	31	25
25	31	25
26	31	25
27	31	25
28	31	25
29	31	25
30	31	25
31	31	25

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	9	91
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	11	89
17	11	89
18	11	89
19	11	89
20	10	90
21	10	90
22	10	90
23	9	91
24	9	91
25	9	91
26	7	93
27	7	93
28	7	93
29	6	94
30	6	94
31	6	94

	Rain chance (%)
1	90
2	90
3	90
4	90
5	91
6	91
7	91
8	91
9	91
10	90
11	90
12	90
13	90
14	90
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	89
27	89
28	89
29	90
30	90
31	90

	Oppressive (%)	Miserable (%)
1	5	95
2	5	95
3	5	95
4	6	94
5	6	94
6	6	94
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	8	92
14	8	92
15	8	92
16	8	92
17	8	92
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	11	89
27	11	89
28	11	89
29	12	88
30	12	88
31	12	88

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	31	25
6	31	25
7	31	25
8	31	25
9	31	25
10	31	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	31	25
20	31	25
21	31	25
22	31	25
23	31	25
24	31	25
25	31	25
26	31	25
27	31	25
28	31	25
29	31	25
30	31	25
31	31	25

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	9	91
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	11	89
17	11	89
18	11	89
19	11	89
20	10	90
21	10	90
22	10	90
23	9	91
24	9	91
25	9	91
26	7	93
27	7	93
28	7	93
29	6	94
30	6	94
31	6	94

	Rain chance (%)
1	90
2	90
3	90
4	90
5	91
6	91
7	91
8	91
9	91
10	90
11	90
12	90
13	90
14	90
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	89
27	89
28	89
29	90
30	90
31	90

	Oppressive (%)	Miserable (%)
1	5	95
2	5	95
3	5	95
4	6	94
5	6	94
6	6	94
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	8	92
14	8	92
15	8	92
16	8	92
17	8	92
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	11	89
27	11	89
28	11	89
29	12	88
30	12	88
31	12	88

	Avg high (°C)	Avg low (°C)
1	31	25
2	31	25
3	31	25
4	31	25
5	31	25
6	31	25
7	31	25
8	31	25
9	31	25
10	31	25
11	31	25
12	31	25
13	31	25
14	31	25
15	31	25
16	31	25
17	31	25
18	31	25
19	31	25
20	31	25
21	31	25
22	31	25
23	31	25
24	31	25
25	31	25
26	31	25
27	31	25
28	31	25
29	31	25
30	31	25
31	31	25

	Clearer (%)	Cloudier (%)
1	8	92
2	8	92
3	8	92
4	8	92
5	9	91
6	9	91
7	9	91
8	9	91
9	9	91
10	9	91
11	10	90
12	10	90
13	10	90
14	10	90
15	10	90
16	11	89
17	11	89
18	11	89
19	11	89
20	10	90
21	10	90
22	10	90
23	9	91
24	9	91
25	9	91
26	7	93
27	7	93
28	7	93
29	6	94
30	6	94
31	6	94

	Rain chance (%)
1	90
2	90
3	90
4	90
5	91
6	91
7	91
8	91
9	91
10	90
11	90
12	90
13	90
14	90
15	89
16	89
17	89
18	89
19	89
20	89
21	89
22	89
23	89
24	89
25	89
26	89
27	89
28	89
29	90
30	90
31	90

	Oppressive (%)	Miserable (%)
1	5	95
2	5	95
3	5	95
4	6	94
5	6	94
6	6	94
7	7	93
8	7	93
9	7	93
10	7	93
11	7	93
12	7	93
13	8	92
14	8	92
15	8	92
16	8	92
17	8	92
18	9	91
19	9	91
20	9	91
21	9	91
22	9	91
23	10	90
24	10	90
25	10	90
26	11	89
27	11	89
28	11	89
29	12	88
30	12	88
31	12	88