Sa Dec weather in October

In October, Sa Dec sees average daytime highs of 31°C and overnight lows near 25°C, with 278 mm of rain across 27.3 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 Sa Dec's 8th-clearest and 12th-windiest month. For the whole year in context, see Sa Dec's year-round climate.

Daytime high
31°
6th warmest
Overnight low
25°
6th coldest
Rainfall
278 mm
27.3 wet days
Daylight
11 h 48 min
5:49 AM – 5:35 PM
Cloud cover
84%
8th clearest
Wind
7 km/h
12th windiest
Solar energy
4.23 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 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, 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
283125
293125
303125
313125

How October really feels in Sa Dec

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
heat index over the day's high
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.

Sa Dec 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
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 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 8% 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 (%)
1694
2694
3694
4892
5892
6892
7892
8991
9991
101090
111090
121189
131189
141387
151387
161387
171387
181486
191486
201585
211684
221684
231783
241783
251882
261882
272080
282179
292179
302377
312377

Chance of precipitation in October

Any precipitation

Sa Dec gets around 278 mm of rain over 27.3 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 87% and peaks near 95% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
395
495
595
695
795
895
995
1094
1194
1293
1393
1492
1592
1691
1790
1889
1988
2087
2185
2284
2382
2481
2579
2678
2776
2875
2973
3072
3171

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
201090
301090
401090
501189
601189
701189
801189
901288
1001288
1101288
1201288
1301387
1401387
1501387
1601486
1701486
1801486
1911584
2011683
2111683
2211782
2311980
2412079
2512178
2612376
2712574
2812673
2912871
3022969
3123167

Wind in October

Winds average 7 km/h in October, the calmest month.

Across October, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:49 AM to 5:51 AM, and sunset from 5:43 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:495:43
211.95:495:43
311.95:495:42
411.95:495:41
511.95:495:41
611.95:495:40
711.95:495:40
811.85:495:39
911.85:495:39
1011.85:495:38
1111.85:495:38
1211.85:495:37
1311.85:495:36
1411.85:495:36
1511.85:495:36
1611.85:495:35
1711.85:495:35
1811.75:495:34
1911.75:495:34
2011.75:495:33
2111.75:505:33
2211.75:505:32
2311.75:505:32
2411.75:505:32
2511.75:505:31
2611.75:505:31
2711.75:515:31
2811.75:515:30
2911.75:515:30
3011.65:515:30
3111.65:515:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.23 kWh/m² — the year's lowest.

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 — October's 4.23 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.4Bright
314.4Bright
Planning a trip in October

Hazard calendar for Sa Dec

In seasonPeak

In October, 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 October a good time to visit Sa Dec?

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
3.9
Beach & pool
8th-best month of the year

October is a weaker month for outdoor sightseeing in Sa Dec.

What to pack for Sa Dec in October

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

In October, Sa Dec 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 Sa Dec 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 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 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 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
October 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).