Thị Trấn Ngải Giao weather in December

In December, Thị Trấn Ngải Giao sees average daytime highs of 30°C and overnight lows near 23°C, with 84 mm of rain across 11 wet days and about 11.4 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 16% 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 Thị Trấn Ngải Giao's 6th-clearest and 10th-windiest month. For the whole year in context, see Thị Trấn Ngải Giao's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
3rd coldest
Rainfall
84 mm
11 wet days
Daylight
11 h 24 min
6:06 AM – 5:29 PM
Cloud cover
72%
6th clearest
Wind
6 km/h
10th windiest
Solar energy
4.52 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical December day in Thị Trấn Ngải Giao reaches about 30°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 28°C and 32°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283022
293022
303022
313022

How December really feels in Thị Trấn Ngải Giao

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.

Thị Trấn Ngải Giao weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°284.411.45.4
Feb31° / 23°112.111.65.1
Mar33° / 24°275.111.94.2
Apr33° / 25°7712.712.23.2
May32° / 25°25026.112.52.4
Jun31° / 25°32428.412.62.5
Jul30° / 25°35229.912.62.6
Aug30° / 25°35029.612.42.6
Sep30° / 24°3652912.12.6
Oct30° / 24°30527.911.82.8
Nov30° / 24°15617.911.53.9
Dec30° / 23°841111.44.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63169
73169
83169
93169
103169
113268
123268
133268
143268
153169
163268
173268
183268
193268
203268
213268
223268
233367
243367
253367
263466
273466
283565
293763
303862
313862

Chance of precipitation in December

Any precipitation

Thị Trấn Ngải Giao gets around 84 mm of rain over 11 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 36% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
246
345
444
543
643
742
842
941
1041
1140
1240
1339
1439
1538
1637
1736
1835
1934
2033
2132
2231
2330
2429
2528
2627
2726
2825
2924
3023
3122

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11136422
21146421
31156420
42166319
52176318
62186317
72196316
82206315
92216314
102226313
112236312
122246311
132256310
14226639
15328618
16329617
17330607
18331606
19432595
20433585
21434584
22436564
23537553
24538543
25539533
26640513
27641512
28641512
29642502
30643492
31644482

Wind in December

Winds average 6 km/h in December.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
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 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 5:58 AM to 6:13 AM, and sunset from 5:23 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.45:585:23
211.45:595:24
311.45:595:24
411.46:005:24
511.46:005:25
611.46:015:25
711.46:015:25
811.46:025:25
911.46:025:26
1011.46:035:26
1111.46:035:27
1211.46:045:27
1311.46:045:27
1411.46:055:28
1511.46:055:28
1611.46:065:29
1711.46:065:29
1811.46:075:29
1911.46:075:30
2011.46:085:30
2111.46:085:31
2211.46:095:31
2311.46:095:32
2411.46:105:32
2511.46:105:33
2611.46:115:33
2711.46:115:34
2811.46:115:34
2911.46:125:35
3011.46:125:35
3111.46:135:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.52 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 6.32 kWh/m² in March across the year — December's 4.52 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
314.8Bright
Planning a trip in December

Hazard calendar for Thị Trấn Ngải Giao

In seasonPeak

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

Thị Trấn Ngải Giao sits in the Pacific typhoon belt; the season peaks July–October.

Thị Trấn Ngải Giao's rainy season runs May–October, 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 Thị Trấn Ngải Giao?

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

4.8
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

December is a reasonable time to visit Thị Trấn Ngải Giao for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Thị Trấn Ngải Giao in December

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

In December, Thị Trấn Ngải Giao sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Thị Trấn Ngải Giao in December

The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 km away) is warmest in May at about 30°C and coldest in January near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Thị Trấn Ngải Giao 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 Thị Trấn Ngải Giao peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 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 highMar 22UV 13Nov 16UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Thị Trấn Ngải Giao 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 Thị Trấn Ngải Giao is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1434 µg/m³Mar 1921 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb21Moderate
Mar21Moderate
Apr21Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct34Moderate
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Thị Trấn Ngải Giao?

Thị Trấn Ngải Giao sits at 10.6°N, 107.2°E, 119 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Đất Đỏ, 18 km away.

Topography around Thị Trấn Ngải Giao

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Ngải Giao.

Within 3 km, the terrain around Thị Trấn Ngải Giao has only modest variations in elevation — a maximum elevation change of 85 m around an average of 114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 509 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,363 m.

The land around Thị Trấn Ngải Giao is covered by trees (62%) within 3 km, trees (68%) within 16 km, and trees (40%) and water (34%) within 80 km.

3 km
85 m
16 km
509 m
80 km
1,363 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Thị Trấn Đất Đỏ 18 km · Long Diền 18 km · Thành Phố Bà Rịa 19 km · Phú Mỹ 20 km · Xóm Mỹ Xuân 20 km · Thị Trấn Phước Bửu 21 km · Ấp Phước Tĩnh 28 km · Xã Long Hải 29 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 Thị Trấn Ngải Giao (10.6471°, 107.2458°, elevation 119 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).