Sa Dec weather in July

In July, Sa Dec sees average daytime highs of 31°C and overnight lows near 25°C, with 235 mm of rain across 27.9 wet days and about 12.5 hours of daylight. It is the 10th-warmest and 5th-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 Sa Dec's 10th-clearest and 2nd-windiest month. For the whole year in context, see Sa Dec's year-round climate.

Daytime high
31°
10th warmest
Overnight low
25°
9th coldest
Rainfall
235 mm
27.9 wet days
Daylight
12 h 30 min
5:46 AM – 6:19 PM
Cloud cover
88%
10th clearest
Wind
11 km/h
2nd windiest
Solar energy
4.6 kWh/m²
Travel score
2.5
out of 10

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 Sa Dec 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.

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
283125
293125
303125
313125

How July really feels in Sa Dec

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

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

Sa Dec weather by month

How July compares with the rest of the year at a glance. July is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°284.311.55.5
Feb31° / 23°102.111.75.1
Mar33° / 25°335.311.93.9
Apr34° / 26°7611.712.22.9
May33° / 26°19624.912.52.2
Jun32° / 26°23926.412.62.4
Jul31° / 25°23527.912.52.5
Aug31° / 25°24228.312.32.5
Sep31° / 25°26728.212.12.4
Oct31° / 25°27827.311.82.6
Nov31° / 24°13517.311.53.6
Dec30° / 23°669.311.44.8

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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1892
2892
3892
4892
5892
6892
7991
8991
9991
101090
111090
121090
131189
141189
151189
161288
171288
181189
191189
201189
211090
221090
23991
24991
25892
26892
27694
28694
29694
30595
31595

Chance of precipitation in July

Any precipitation

Sa Dec gets around 235 mm of rain over 27.9 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.

0%20%40%60%80%100%151015202531
Rain chance (%)
190
290
390
490
590
690
791
891
991
1090
1190
1290
1390
1490
1590
1690
1790
1890
1990
2090
2190
2290
2390
2490
2590
2690
2790
2891
2991
3091
3191

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1496
2496
3496
4496
5595
6595
7595
8595
9595
10595
11595
12595
13595
14595
15595
16595
17595
18694
19694
20694
21694
22694
23793
24793
25793
26892
27892
28991
29991
30991
31991

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 5:42 AM to 5:49 AM, and sunset from 6:18 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:426:18
212.65:436:18
312.65:436:18
412.65:436:19
512.65:436:19
612.65:446:19
712.65:446:19
812.65:446:19
912.65:446:19
1012.65:456:19
1112.65:456:19
1212.65:456:19
1312.65:456:19
1412.65:466:19
1512.65:466:19
1612.55:466:19
1712.55:466:19
1812.55:476:19
1912.55:476:19
2012.55:476:19
2112.55:476:19
2212.55:476:19
2312.55:486:18
2412.55:486:18
2512.55:486:18
2612.55:486:18
2712.55:486:18
2812.55:496:18
2912.55:496:17
3012.55:496:17
3112.55:496:17

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.6 kWh/m².

For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 5.99 kWh/m² in March across the year — July's 4.6 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in July

Hazard calendar for Sa Dec

In seasonPeak

In July, Sa Dec sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Sa Dec sits in the Pacific typhoon belt; the season peaks July–October.

Sa Dec'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 Sa Dec?

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 Sa Dec.

What to pack for Sa Dec in July

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

In July, Sa Dec 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 Sa Dec 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 Sa Dec 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 Sa Dec 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 Sa Dec 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 Sa Dec?

Sa Dec sits at 10.3°N, 105.8°E, 1 m above sea level, in Vietnam. The nearest listed city is Quận Đức Thịnh, 3.0 km away.

Topography around Sa Dec

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

Within 3 km, the terrain around Sa Dec has only modest variations in elevation — a maximum elevation change of 10 m around an average of 3 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 210 m.

The land around Sa Dec is covered by trees (31%), artificial surfaces (29%) and cropland (21%) within 3 km, trees (45%) and cropland (40%) within 16 km, and cropland (63%) and trees (30%) within 80 km.

3 km
10 m
16 km
16 m
80 km
210 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Quận Đức Thịnh 3.0 km · Lai Vung 18 km · Cao Lãnh 23 km · Vĩnh Long 24 km · Bình Thủy 24 km · Thốt Nốt 24 km · Ô Môn 25 km · Bình Minh 26 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 Sa Dec (10.2909°, 105.7563°, elevation 1 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).