Vĩnh Long weather in January

In January, Vĩnh Long sees average daytime highs of 30°C and overnight lows near 23°C, with 26 mm of rain across 4.2 wet days and about 11.5 hours of daylight. It is the 11th-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 23% 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 Vĩnh Long's 4th-clearest and 8th-windiest month. For the whole year in context, see Vĩnh Long's year-round climate.

Daytime high
30°
11th warmest
Overnight low
23°
1st coldest
Rainfall
26 mm
4.2 wet days
Daylight
11 h 30 min
6:22 AM – 5:49 PM
Cloud cover
63%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
5.01 kWh/m²
Travel score
5.5
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 Vĩnh Long 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, 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
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Vĩnh Long

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.

Vĩnh Long weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°264.211.55.5
Feb31° / 23°81.711.75.2
Mar33° / 25°294.711.94.1
Apr34° / 26°7311.812.23.0
May33° / 26°19624.912.52.3
Jun32° / 26°24127.112.62.4
Jul31° / 25°24528.112.52.5
Aug31° / 25°25028.912.32.5
Sep31° / 25°27828.212.12.4
Oct31° / 25°28127.111.82.7
Nov31° / 25°14017.311.53.7
Dec30° / 24°709.511.44.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23961
34159
44159
54258
64258
74357
84456
94456
104555
114357
124456
134456
144456
154456
164357
174456
184456
194456
204456
214456
224456
234654
244654
254555
264753
274852
284951
294951
305050
315248

Chance of precipitation in January

Any precipitation

Vĩnh Long gets around 26 mm of rain over 4.2 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 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
120
219
318
417
516
615
714
814
913
1013
1113
1213
1313
1413
1513
1613
1714
1814
1914
2014
2114
2214
2314
2414
2513
2613
2712
2812
2911
3011
3110

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1224659
2224659
3224668
4223678
5224677
6224677
7224686
8224686
9225685
10225685
11226675
12226675
13227665
14228655
15228655
16229645
17230644
18231634
19232624
20233614
21233614
22234604
23335584
24335584
25336574
26336574
27337564
28337564
29337564
30338563
31338563

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:17 AM to 6:23 AM, and sunset from 5:42 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:175:42
211.46:175:42
311.46:185:43
411.46:185:43
511.46:185:44
611.46:195:44
711.46:195:45
811.46:195:45
911.46:205:46
1011.46:205:46
1111.46:205:47
1211.46:215:47
1311.46:215:48
1411.56:215:48
1511.56:215:49
1611.56:225:49
1711.56:225:50
1811.56:225:50
1911.56:225:51
2011.56:225:51
2111.56:225:52
2211.56:235:52
2311.56:235:53
2411.56:235:53
2511.56:235:53
2611.56:235:54
2711.56:235:54
2811.56:235:55
2911.56:235:55
3011.56:235:55
3111.56:235:56

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.01 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 6.02 kWh/m² in March across the year — January's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.4Bright
Planning a trip in January

Hazard calendar for Vĩnh Long

In seasonPeak

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

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

Vĩnh Long'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 Vĩnh Long?

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

5.5
Sightseeing
1st-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Vĩnh Long in January

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

In January, Vĩnh Long 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

UV index in Vĩnh Long in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Vĩnh Long peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Nov 20UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Vĩnh Long 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 Vĩnh Long 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 Vĩnh Long?

Vĩnh Long sits at 10.3°N, 106.0°E, 1 m above sea level, in Vietnam. The nearest listed city is Cai Lậy, 23 km away.

Topography around Vĩnh Long

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

Within 3 km, the terrain around Vĩnh Long has only modest variations in elevation — a maximum elevation change of 10 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, only modest variations in elevation — a maximum elevation change of 85 m.

The land around Vĩnh Long is covered by trees (43%) and artificial surfaces (36%) within 3 km, trees (58%) and cropland (24%) within 16 km, and cropland (55%) and trees (35%) within 80 km.

3 km
10 m
16 km
16 m
80 km
85 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Cai Lậy 23 km · Sa Dec 24 km · Quận Đức Thịnh 26 km · Bình Minh 26 km · Can Tho 31 km · Bình Thủy 32 km · Cái Răng 37 km · Ô Môn 41 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 Vĩnh Long (10.2537°, 105.9722°, elevation 1 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). 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).