Thái Hòa weather in January

In January, Thái Hòa sees average daytime highs of 20°C and overnight lows near 14°C, with 61 mm of rain across 11.4 wet days and about 11 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 16% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Thái Hòa's 7th-clearest and 10th-windiest month. For the whole year in context, see Thái Hòa's year-round climate.

Daytime high
20°
12th warmest
Overnight low
14°
1st coldest
Rainfall
61 mm
11.4 wet days
Daylight
11 hours
6:40 AM – 5:39 PM
Cloud cover
75%
7th clearest
Wind
5 km/h
10th windiest
Solar energy
2.66 kWh/m²
Travel score
5.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical January day in Thái Hòa reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°C. Set against its neighbours, January runs about 1°C cooler than December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12014
22014
32014
42014
52014
62014
72014
82014
92014
102014
112014
122014
132014
142014
152014
162014
172014
182014
192014
202014
212014
222014
232014
242014
252014
262014
272014
282014
292014
302014
312014

How January really feels in Thái Hòa

Once humidity and wind are folded in, January 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

January 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 January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
33070
42971
52872
62872
72872
82971
92872
102872
112773
122773
132773
142575
152575
162575
172575
182575
192476
202476
212476
222476
232476
242476
252575
262575
272575
282575
292773
302872
312971

Chance of precipitation in January

Any precipitation

Thái Hòa gets around 61 mm of rain over 11.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
638
737
837
937
1037
1137
1237
1337
1437
1537
1638
1738
1838
1938
2038
2138
2238
2337
2437
2537
2637
2737
2837
2937
3037
3137

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1292332160
2292332160
3292331170
4292331170
5292230180
6292230180
7292230190
8292230190
9302229190
10302129190
11302129190
12302129190
13312130180
14312130180
15312130180
16312130170
17322130170
18322130160
19332130160
20332130150
21332130150
22342130150
23342130140
24352130150
25352029151
26352029151
27362028161
28362028161
29361928161
30351928171
31351928171

Wind in January

Winds average 5 km/h in January.

Across January, 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
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 54 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:37 AM to 6:39 AM, and sunset from 5:30 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:375:30
210.96:375:30
310.96:385:31
410.96:385:31
510.96:385:32
610.96:385:33
710.96:395:33
810.96:395:34
910.96:395:34
1010.96:395:35
1110.96:395:36
1210.96:405:36
1311.06:405:37
1411.06:405:37
1511.06:405:38
1611.06:405:39
1711.06:405:39
1811.06:405:40
1911.06:405:41
2011.06:405:41
2111.06:405:42
2211.06:405:42
2311.06:405:43
2411.16:405:44
2511.16:405:44
2611.16:405:45
2711.16:405:45
2811.16:405:46
2911.16:405:47
3011.16:395:47
3111.16:395:48

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, 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 — January's 2.66 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.9Moderate
Planning a trip in January

Hazard calendar for Thái Hòa

In seasonPeak

None of Thái Hòa's seasonal hazards are active in January. 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 January a good time to visit Thái Hòa?

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

5.8
Sightseeing
5th-best month of the year
3.1
Beach & pool
12th-best month of the year

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

What to pack for Thái Hòa in January

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

In January, Thái Hòa sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

Sea temperature near Thái Hòa in January

The nearest coast averages about 21°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 8 (very high — sun protection essential). 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).