Long Xuyên weather in January

In January, Long Xuyên sees average daytime highs of 30°C and overnight lows near 23°C, with 25 mm of rain across 4.4 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 11th-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 25% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Long Xuyên's 3rd-clearest and 11th-windiest month. For the whole year in context, see Long Xuyên's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
1st coldest
Rainfall
25 mm
4.4 wet days
Daylight
11 h 30 min
6:24 AM – 5:51 PM
Cloud cover
61%
3rd clearest
Wind
7 km/h
11th windiest
Solar energy
5.07 kWh/m²
Travel score
5.3
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Long Xuyên reaches about 30°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

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
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Long Xuyên

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

Long Xuyên 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
Jan30° / 23°254.411.55.3
Feb32° / 23°141.711.75.0
Mar34° / 25°345.711.93.6
Apr34° / 26°8212.812.22.6
May33° / 26°17523.912.52.2
Jun32° / 26°20726.412.62.4
Jul31° / 26°21827.812.52.4
Aug31° / 26°22028.112.32.4
Sep31° / 25°26127.912.12.3
Oct31° / 25°28126.911.82.5
Nov31° / 25°13816.211.53.5
Dec31° / 24°578.511.44.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44357
54456
64456
74456
84555
94654
104654
114654
124654
134753
144753
154654
164654
174654
184753
194753
204753
214852
224852
234852
244852
254951
264951
275050
285050
295149
305248
315347

Chance of precipitation in January

Any precipitation

Long Xuyên gets around 25 mm of rain over 4.4 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 14% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
217
316
416
515
615
715
814
914
1014
1114
1214
1314
1414
1515
1615
1715
1815
1915
2015
2115
2215
2315
2414
2514
2613
2712
2811
2911
3010
319

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11727587
21627597
31627606
41527616
51527625
61527625
71427635
81428634
91428634
101428634
111428634
121429624
131429624
141429624
151429624
161430614
171430614
181530604
191531594
201531594
211532584
221532575
231533565
241533565
251534555
261635544
271635544
281636534
291637524
301538524
311538524

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:19 AM to 6:25 AM, and sunset from 5:43 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:195:43
211.46:205:44
311.46:205:45
411.46:205:45
511.46:215:46
611.46:215:46
711.46:225:47
811.46:225:47
911.46:225:48
1011.46:225:48
1111.46:235:49
1211.46:235:49
1311.46:235:50
1411.46:235:50
1511.46:245:51
1611.56:245:51
1711.56:245:52
1811.56:245:52
1911.56:245:53
2011.56:255:53
2111.56:255:54
2211.56:255:54
2311.56:255:54
2411.56:255:55
2511.56:255:55
2611.56:255:56
2711.56:255:56
2811.56:255:57
2911.56:255:57
3011.56:255:57
3111.56:255:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.07 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.03 kWh/m² in April across the year — January's 5.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Long Xuyên

In seasonPeak

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

Long Xuyên sits in the Pacific typhoon belt; the season peaks July–October.

Long Xuyên'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 January a good time to visit Long Xuyên?

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

5.3
Sightseeing
1st-best month of the year
7.5
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Long Xuyên for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Long Xuyên in January

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

In January, Long Xuyên sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Long Xuyên in January

The nearest coast averages about 27°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 68 km away) is warmest in May at about 31°C and coldest in January near 27°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Long Xuyên in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Long Xuyên peaks around August 22 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 22UV 13Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Long Xuyên 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 Long Xuyên is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (August, 30 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1172 µg/m³Aug 1331 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb59Unhealthy
Mar53Poor
Apr53Poor
May47Poor
Jun38Poor
Jul34Moderate
Aug30Moderate
Sep40Poor
Oct56Unhealthy
Nov68Unhealthy
Dec70Unhealthy
Location & terrain

Where is Long Xuyên?

Long Xuyên sits at 10.4°N, 105.4°E, 8 m above sea level, in Vietnam. The nearest listed city is Thốt Nốt, 17 km away.

Topography around Long Xuyên

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

Within 3 km, the terrain around Long Xuyên has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Long Xuyên is covered by artificial surfaces (41%) and trees (21%) within 3 km, cropland (61%) and trees (21%) within 16 km, and cropland (70%) and trees (20%) within 80 km.

3 km
15 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Thốt Nốt 17 km · Vĩnh Thạnh 19 km · Kiến An 21 km · Lai Vung 23 km · Núi Sập 23 km · Cao Lãnh 23 km · Cờ Đỏ 33 km · Quận Đức Thịnh 34 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 Long Xuyên (10.3864°, 105.4352°, elevation 8 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).