Kiến An weather in December

In December, Kiến An sees average daytime highs of 31°C and overnight lows near 23°C, with 53 mm of rain across 8.1 wet days and about 11.4 hours of daylight. It is the 11th-warmest and 9th-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 18% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Kiến An's 5th-clearest and 5th-windiest month. For the whole year in context, see Kiến An's year-round climate.

Daytime high
31°
11th warmest
Overnight low
23°
3rd coldest
Rainfall
53 mm
8.1 wet days
Daylight
11 h 24 min
6:13 AM – 5:36 PM
Cloud cover
68%
5th clearest
Wind
9 km/h
5th windiest
Solar energy
4.68 kWh/m²
Travel score
4.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

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

A typical December day in Kiến An reaches about 31°C in the afternoon and slips back to 23°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, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How December really feels in Kiến An

Once humidity and wind are folded in, December 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Kiến An weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°234.311.55.1
Feb32° / 23°13211.74.8
Mar34° / 25°366.111.93.4
Apr35° / 26°8413.212.22.5
May33° / 26°16824.712.52.2
Jun32° / 26°19426.212.62.4
Jul31° / 26°20727.612.62.5
Aug31° / 26°20928.212.32.4
Sep31° / 25°26028.112.12.3
Oct31° / 25°2872711.82.5
Nov32° / 24°13215.811.53.5
Dec31° / 23°538.111.44.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33565
43565
53565
63565
73565
83565
93565
103565
113565
123664
133664
143763
153664
163664
173664
183664
193664
203763
213763
223763
233763
243862
253862
263763
273961
283961
293961
304060
314159

Chance of precipitation in December

Any precipitation

Kiến An gets around 53 mm of rain over 8.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
335
434
533
632
732
831
931
1030
1129
1229
1328
1427
1527
1626
1726
1825
1925
2024
2123
2223
2322
2421
2521
2620
2719
2819
2918
3018
3117

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
105214926
205224925
305234823
405244822
506244921
606254920
706264919
806264918
906275017
1016275016
1117285015
1217285113
1317285113
1428285012
1528285111
1629285011
1739294910
18310294910
19310294810
2031030489
2141129479
2241130469
2341130469
2441230468
2541231468
2641131468
2741131477
2831131487
2931031497
3031031506
313931516

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:06 AM to 6:20 AM, and sunset from 5:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:065:31
211.46:065:31
311.46:075:32
411.46:075:32
511.46:085:32
611.46:085:32
711.46:095:33
811.46:095:33
911.46:105:34
1011.46:105:34
1111.46:115:34
1211.46:115:35
1311.46:125:35
1411.46:125:35
1511.46:135:36
1611.46:135:36
1711.46:145:37
1811.46:145:37
1911.46:155:38
2011.46:155:38
2111.46:165:38
2211.46:165:39
2311.46:175:39
2411.46:175:40
2511.46:175:40
2611.46:185:41
2711.46:185:41
2811.46:195:42
2911.46:195:42
3011.46:205:43
3111.46:205:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.68 kWh/m².

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 6.09 kWh/m² in April across the year — December's 4.68 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Kiến An

In seasonPeak

In December, Kiến An sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kiến An sits in the Pacific typhoon belt; the season peaks July–October.

Kiến An'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 December a good time to visit Kiến An?

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

4.6
Sightseeing
3rd-best month of the year
6.7
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Kiến An for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kiến An in December

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

In December, Kiến An sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Kiến An in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Kiến An peaks around August 19 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 19UV 13Dec 11UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Kiến An in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Kiến An is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 21 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1754 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb49Poor
Mar44Poor
Apr40Poor
May33Moderate
Jun25Moderate
Jul24Moderate
Aug21Moderate
Sep27Moderate
Oct39Poor
Nov47Poor
Dec48Poor
Location & terrain

Where is Kiến An?

Kiến An sits at 10.6°N, 105.4°E, 7 m above sea level, in Vietnam. The nearest listed city is Long Xuyên, 21 km away.

Topography around Kiến An

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

Within 3 km, the terrain around Kiến An has only modest variations in elevation — a maximum elevation change of 14 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 15 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Kiến An is covered by cropland (38%) and trees (27%) within 3 km, cropland (67%) within 16 km, and cropland (76%) within 80 km.

3 km
14 m
16 km
15 m
80 km
680 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Long Xuyên 21 km · Ấp Long Thạnh 24 km · Tràm Chim 24 km · Hồng Ngự 26 km · Tân Châu 29 km · Châu Phong 30 km · Châu Đốc 31 km · Cao Lãnh 31 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 Kiến An (10.5667°, 105.3667°, elevation 7 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).