Thái Bình weather in January

In January, Thái Bình sees average daytime highs of 20°C and overnight lows near 15°C, with 28 mm of rain across 5.5 wet days and about 10.9 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 13% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 48 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 Bình's 7th-clearest and 7th-windiest month. For the whole year in context, see Thái Bình's year-round climate.

Daytime high
20°
12th warmest
Overnight low
15°
1st coldest
Rainfall
28 mm
5.5 wet days
Daylight
10 h 54 min
6:37 AM – 5:30 PM
Cloud cover
78%
7th clearest
Wind
10 km/h
7th windiest
Solar energy
2.42 kWh/m²
Travel score
6.6
out of 10

Thái Bình is Capital city of Thái Bình province, Việt Nam.

Density
784/km²
people per km²
Founded
2004

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Bình reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52115
62115
72115
82115
92115
102115
112015
122015
132015
142015
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252015
262015
272015
282015
292015
302015
312015

How January really feels in Thái Bình

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 Bình 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° / 15°285.510.96.6
Feb22° / 17°154.111.36.9
Mar24° / 19°366.411.97.0
Apr28° / 23°638.712.56.0
May31° / 26°19616.3133.6
Jun33° / 28°18916.413.22.6
Jul33° / 28°24618.413.12.6
Aug32° / 27°34223.612.72.6
Sep31° / 25°27720.612.13.3
Oct29° / 23°14213.611.55.1
Nov26° / 20°618.3116.9
Dec22° / 16°296.310.87.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 9% of January, with mostly cloudy or overcast conditions the remaining 78%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22773
32674
42674
52575
62575
72476
82377
92278
102278
112278
122278
132179
142080
152179
162179
172179
182179
192179
202278
212080
222080
232080
242080
252080
262080
272080
282080
292080
302080
312080

Chance of precipitation in January

Any precipitation

Thái Bình gets around 28 mm of rain over 5.5 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
420
520
620
720
820
920
1020
1119
1219
1319
1418
1518
1618
1717
1817
1917
2017
2116
2216
2316
2416
2516
2616
2716
2816
2916
3015
3115

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1411723191
2401722201
3411622201
4411621211
5411620211
6411619222
7411619222
8411618222
9421618222
10421618222
11421718222
12421718212
13431718212
14431718202
15441718202
16441718192
17441718191
18451719181
19451719181
20461619171
21461619171
22461620171
23471620171
24471520171
25471520172
26471519172
27471519172
28471519172
29461519173
30461519173
31451619173

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 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 18 minutes over January. Sunrise moves from 6:34 AM to 6:36 AM, and sunset from 5:21 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:345:21
210.86:355:22
310.86:355:22
410.86:355:23
510.86:365:24
610.86:365:24
710.86:365:25
810.86:365:25
910.86:365:26
1010.86:375:27
1110.86:375:27
1210.86:375:28
1310.96:375:29
1410.96:375:29
1510.96:375:30
1610.96:375:30
1710.96:375:31
1810.96:375:32
1910.96:375:32
2010.96:375:33
2110.96:375:34
2210.96:375:34
2311.06:375:35
2411.06:375:36
2511.06:375:36
2611.06:375:37
2711.06:375:38
2811.06:375:38
2911.06:365:39
3011.16:365:39
3111.16:365:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.42 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.27 kWh/m² in June across the year — January's 2.42 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.4Moderate
122.4Moderate
132.4Moderate
142.4Moderate
152.4Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.4Moderate
202.4Moderate
212.4Moderate
222.4Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.6Moderate
312.6Moderate
Planning a trip in January

Hazard calendar for Thái Bình

In seasonPeak

In January, Thái Bình sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Thái Bình sits in the Pacific typhoon belt; the season peaks July–October.

Thái Bình's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Thái Bình?

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

6.6
Sightseeing
5th-best month of the year
3.7
Beach & pool
12th-best month of the year

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

What to pack for Thái Bình in January

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

In January, Thái Bình sees daytime highs around 20°C and nights near 15°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Thái Bình in January

The nearest coast averages about 20°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 31 km away) is warmest in August at about 30°C and coldest in February near 20°C.

It's comfortable for a long swim from Feb 19 to Feb 9 — about 11.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Cool
Mar21Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Thái Bình in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Bình peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 13UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr8Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug9Very high
Sep9Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Thái Bình 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 Bình is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 25 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1166 µg/m³Jul 1525 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb61Unhealthy
Mar61Unhealthy
Apr51Poor
May37Poor
Jun27Moderate
Jul25Moderate
Aug27Moderate
Sep41Poor
Oct52Poor
Nov56Unhealthy
Dec66Unhealthy
Location & terrain

Where is Thái Bình?

Thái Bình sits at 20.4°N, 106.3°E, 6 m above sea level, in Vietnam. The nearest listed city is Nam Định, 17 km away.

Topography around Thái Bình

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

Within 3 km, the terrain around Thái Bình has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, large variations in elevation — a maximum elevation change of 630 m.

The land around Thái Bình is covered by artificial surfaces (53%) within 3 km, cropland (60%) within 16 km, and cropland (36%) and water (33%) within 80 km.

3 km
12 m
16 km
12 m
80 km
630 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Nam Định 17 km · Hưng Yên 37 km · Ninh Binh 43 km · Lương Bằng 43 km · Phủ Lý 46 km · Kiến An 49 km · Hải Dương 55 km · Đố Sơn 55 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 Bình (20.45°, 106.34°, elevation 6 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).