Thái Hòa weather in December

In December, Thái Hòa sees average daytime highs of 21°C and overnight lows near 15°C, with 77 mm of rain across 11.9 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Thái Hòa's 5th-clearest and 12th-windiest month. For the whole year in context, see Thái Hòa's year-round climate.

Daytime high
21°
11th warmest
Overnight low
15°
2nd coldest
Rainfall
77 mm
11.9 wet days
Daylight
10 h 54 min
6:30 AM – 5:22 PM
Cloud cover
69%
5th clearest
Wind
4 km/h
12th windiest
Solar energy
2.66 kWh/m²
Travel score
6.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical December day in Thái Hòa reaches about 21°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12216
22216
32216
42216
52216
62216
72115
82115
92115
102115
112115
122115
132115
142115
152115
162114
172014
182014
192014
202014
212014
222014
232014
242014
252014
262014
272014
282014
292014
302014
312014

How December really feels in Thái Hòa

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Thái Hòa weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°6111.4115.8
Feb22° / 15°509.911.46.3
Mar25° / 18°801311.96.2
Apr29° / 21°11614.612.44.7
May32° / 24°17517.512.93.3
Jun33° / 26°12212.913.12.9
Jul33° / 26°18014.9133.0
Aug31° / 25°27920.712.63.1
Sep30° / 24°32220.412.13.7
Oct27° / 21°29217.811.65.3
Nov24° / 18°1071211.16.4
Dec21° / 15°7711.910.96.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33367
43268
53268
63268
73367
83367
93268
103268
113268
123367
133367
143466
153565
163565
173664
183664
193763
203862
213862
223862
233763
243763
253664
263664
273565
283565
293466
303367
313169

Chance of precipitation in December

Any precipitation

Thái Hòa gets around 77 mm of rain over 11.9 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 38% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
243
342
442
542
641
741
840
940
1039
1138
1237
1337
1436
1535
1635
1735
1835
1935
2035
2135
2236
2336
2436
2537
2637
2737
2838
2938
3038
3139

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 20% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1162030258
2172031248
3182032237
4192032227
5202133216
6212133206
7222133195
8232233185
9242233174
10252232164
11272232163
12282231163
13302230162
14312229162
15322228162
16332227172
17332227172
18342226171
19342226171
20352226161
21352226161
22352226161
23352227151
24352228151
25352228151
26342229140
27332230140
28322331140
29312331150
30312332150
31302332150

Wind in December

Winds average 4 km/h in December, the calmest month.

Across December, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 54 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 6:22 AM to 6:37 AM, and sunset from 5:18 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:225:18
210.96:225:18
310.96:235:18
410.96:235:19
510.96:245:19
610.96:255:19
710.96:255:19
810.96:265:20
910.96:265:20
1010.96:275:20
1110.96:275:20
1210.96:285:21
1310.96:295:21
1410.96:295:22
1510.96:305:22
1610.96:305:22
1710.96:315:23
1810.96:315:23
1910.96:325:24
2010.96:325:24
2110.96:335:24
2210.96:335:25
2310.96:345:25
2410.96:345:26
2510.96:355:26
2610.96:355:27
2710.96:355:27
2810.96:365:28
2910.96:365:28
3010.96:375:29
3110.96:375:30

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.66 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 5.28 kWh/m² in May across the year — December's 2.66 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.7Moderate
192.7Moderate
202.7Moderate
212.7Moderate
222.7Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Hazard calendar for Thái Hòa

In seasonPeak

None of Thái Hòa's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Thái Hòa's rainy season runs July–October, when most of the year's rain falls.

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

Is December a good time to visit Thái Hòa?

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

6.0
Sightseeing
4th-best month of the year
3.6
Beach & pool
11th-best month of the year

December is a reasonable time to visit Thái Hòa for sightseeing.

What to pack for Thái Hòa in December

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

In December, Thái Hòa sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Thái Hòa in December

The nearest coast averages about 23°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 69 km away) is warmest in August at about 30°C and coldest in February near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Warm
May28Warm
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Thái Hòa in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thái Hòa peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 14UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr11Extreme
May10Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Thái Hòa 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 Thái Hòa is worst in April — around 81 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (July, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModeratePoorApr 1278 µg/m³Jul 2215 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb44Poor
Mar66Unhealthy
Apr81Unhealthy
May31Moderate
Jun21Moderate
Jul15Moderate
Aug16Moderate
Sep22Moderate
Oct30Moderate
Nov34Moderate
Dec39Poor
Location & terrain

Where is Thái Hòa?

Thái Hòa sits at 18.9°N, 105.0°E, 64 m above sea level, in Vietnam. The nearest listed city is Kim Liên, 36 km away.

Topography around Thái Hòa

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

Within 3 km, the terrain around Thái Hòa has large variations in elevation — a maximum elevation change of 642 m around an average of 170 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,319 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,933 m.

The land around Thái Hòa is covered by trees (89%) within 3 km, trees (90%) within 16 km, and trees (86%) within 80 km.

3 km
642 m
16 km
1,319 m
80 km
1,933 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Kim Liên 36 km · Diễn Thành 66 km · Yên Vinh 78 km · Vinh 80 km · Bến Thủy 82 km · Bản Na Hỷ 85 km · Nghi Xuân 87 km · Hoàng Mai 87 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 Thái Hòa (18.9203°, 104.9744°, elevation 64 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. 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).