Cao Bằng weather in February

In February, Cao Bằng sees average daytime highs of 18°C and overnight lows near 12°C, with 52 mm of rain across 11.4 wet days and about 11.2 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 13% of the time in February, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of February to 11 h 30 min by month's end. Set against the rest of the year, February is Cao Bằng's 8th-clearest and 4th-windiest month. For the whole year in context, see Cao Bằng's year-round climate.

Daytime high
18°
11th warmest
Overnight low
12°
3rd coldest
Rainfall
52 mm
11.4 wet days
Daylight
11 h 12 min
6:33 AM – 5:46 PM
Cloud cover
79%
8th clearest
Wind
8 km/h
4th windiest
Solar energy
2.49 kWh/m²
Travel score
5.1
out of 10

Cao Bằng is former provincial capital city of Cao Bằng province, Vietnam.

Density
683/km²
people per km²
Founded
2012

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

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 19°C by the end.

A typical February day in Cao Bằng reaches about 18°C in the afternoon and slips back to 12°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, February runs about 2°C warmer than January and about 3°C cooler than March.

10°15°20°25°30°151015202528
Avg high (°C)Avg low (°C)
11610
21610
31611
41711
51711
61711
71711
81711
91711
101711
111711
121712
131812
141812
151812
161812
171812
181812
191812
201812
211812
221812
231813
241813
251913
261913
271913
281913

How February really feels in Cao Bằng

Once humidity and wind are folded in, February 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

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

Cao Bằng weather by month

How February compares with the rest of the year at a glance. February 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
Jan16° / 10°6713.310.84.3
Feb18° / 12°5211.411.25.1
Mar21° / 15°891611.85.3
Apr25° / 19°11117.112.55.3
May28° / 21°21422.313.14.3
Jun29° / 23°29325.213.43.2
Jul30° / 23°30226.413.23.1
Aug30° / 23°26824.412.83.4
Sep29° / 22°15616.812.14.8
Oct26° / 19°871211.56.3
Nov22° / 15°699.710.96.6
Dec18° / 11°509.410.65.7

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 8% of February, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
12080
22179
32278
42377
52377
62377
72476
82476
92476
102377
112377
122377
132377
142278
152179
162080
172080
181981
191981
201981
211981
221981
231981
241981
252080
262179
272179
282278

Chance of precipitation in February

Any precipitation

Cao Bằng gets around 52 mm of rain over 11.4 wet days in February. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202528
Rain chance (%)
139
238
338
438
537
637
737
838
938
1038
1138
1239
1339
1440
1541
1641
1742
1843
1943
2044
2144
2244
2344
2444
2544
2644
2745
2845

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the dry band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16920101
26721111
36721111
46622111
56522121
66423121
76323131
86224131
96224131
106025141
115925142
125825152
135825152
145825152
155725162
165625163
175525173
185524174
195324185
205423185
215422186
225222197
235321197
245220208
255219209
265219209
2751192010
2851182110

Wind in February

Winds average 8 km/h in February.

Across February, 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.

0246810151015202528
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm

Sunrise & sunset in February

DaylightNight

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

Days grow by about 30 minutes over February. Sunrise moves from 6:39 AM to 6:24 AM, and sunset from 5:38 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:395:38
211.06:395:38
311.06:395:39
411.06:385:40
511.06:385:40
611.16:385:41
711.16:375:41
811.16:375:42
911.16:365:43
1011.16:365:43
1111.16:355:44
1211.26:355:44
1311.26:345:45
1411.26:345:46
1511.26:335:46
1611.26:325:47
1711.36:325:47
1811.36:315:48
1911.36:305:48
2011.36:305:49
2111.36:295:49
2211.46:285:50
2311.46:285:51
2411.46:275:51
2511.46:265:52
2611.46:255:52
2711.56:255:52
2811.56:245:53

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.49 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 4.43 kWh/m² in August across the year — February's 2.49 kWh/m² sits near the bottom.

0123151015202528
Solar energy (kWh/m²)Level
12.3Moderate
22.4Moderate
32.4Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.8Moderate
Planning a trip in February

Hazard calendar for Cao Bằng

In seasonPeak

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

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

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

Is February a good time to visit Cao Bằng?

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

5.1
Sightseeing
6th-best month of the year
1.5
Beach & pool
11th-best month of the year

February is a reasonable time to visit Cao Bằng for sightseeing.

What to pack for Cao Bằng in February

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

In February, Cao Bằng sees daytime highs around 18°C and nights near 12°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Cao Bằng in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cao Bằng peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 22UV 13Dec 19UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr7Very high
May8Very high
Jun13Extreme
Jul12Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov6High
Dec6High

Air quality in Cao Bằng in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Cao Bằng is worst in April — around 44 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (July, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorApr 944 µg/m³Jul 2020 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar44Poor
Apr44Poor
May30Moderate
Jun23Moderate
Jul20Moderate
Aug21Moderate
Sep24Moderate
Oct28Moderate
Nov33Moderate
Dec39Poor
Location & terrain

Where is Cao Bằng?

Cao Bằng sits at 22.7°N, 106.3°E, 197 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Nước Hai, 13 km away.

Lạng SơnThái NguyênThị Trấn Na DươngThị Trấn Đại Từ

Topography around Cao Bằng

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

Within 3 km, the terrain around Cao Bằng has significant variations in elevation — a maximum elevation change of 396 m around an average of 252 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 818 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,806 m.

The land around Cao Bằng is covered by trees (75%) within 3 km, trees (88%) within 16 km, and trees (88%) within 80 km.

3 km
396 m
16 km
818 m
80 km
1,806 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Thị Trấn Nước Hai 13 km · Thị Trấn Trùng Khánh 33 km · Thị Trấn Thất Khê 51 km · Bắc Kạn 72 km · Lạng Sơn 104 km · Thái Nguyên 126 km · Thị Trấn Na Dương 129 km · Thị Trấn Đại Từ 131 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 Cao Bằng (22.6657°, 106.2579°, elevation 197 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. 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).