Sơn Tây weather in February

In February, Sơn Tây sees average daytime highs of 22°C and overnight lows near 16°C, with 26 mm of rain across 7.9 wet days and about 11.3 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°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 Sơn Tây's 8th-clearest and 4th-windiest month. For the whole year in context, see Sơn Tây's year-round climate.

Daytime high
22°
11th warmest
Overnight low
16°
3rd coldest
Rainfall
26 mm
7.9 wet days
Daylight
11 h 18 min
6:34 AM – 5:51 PM
Cloud cover
77%
8th clearest
Wind
6 km/h
4th windiest
Solar energy
2.44 kWh/m²
Travel score
6.5
out of 10

Sơn Tây is district-level town of Vietnam.

Density
2,032/km²
people per km²
Founded
2009

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 21°C in the first days to 23°C by the end.

A typical February day in Sơn Tây reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°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)
12015
22115
32115
42115
52115
62115
72116
82116
92116
102216
112216
122216
132216
142216
152216
162216
172216
182216
192217
202217
212217
222317
232317
242317
252317
262317
272317
282317

How February really feels in Sơn Tây

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.

Sơn Tây weather by month

How February compares with the rest of the year at a glance. February is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 15°378.310.96.2
Feb22° / 16°267.911.36.5
Mar25° / 19°4810.411.96.4
Apr29° / 22°8110.712.55.2
May32° / 25°20117.4133.2
Jun33° / 27°21518.213.32.4
Jul33° / 27°25120.513.22.4
Aug33° / 26°31122.112.72.5
Sep32° / 25°20117.912.13.3
Oct29° / 23°10010.511.55.4
Nov26° / 19°486.7117.2
Dec22° / 16°296.510.77.1

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 11% of February, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
12278
22278
32377
42377
52377
62476
72575
82575
92674
102674
112674
122674
132575
142575
152575
162575
172575
182575
192377
202377
212377
222278
232377
242377
252377
262476
272476
282476

Chance of precipitation in February

Any precipitation

Sơn Tây gets around 26 mm of rain over 7.9 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202528
Rain chance (%)
124
224
324
424
524
625
725
826
926
1027
1127
1228
1328
1429
1529
1629
1730
1830
1930
2030
2130
2230
2330
2429
2529
2629
2729
2829

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1471721132
2461721132
3451722142
4441722142
5421823152
6411823162
7391824162
8381924172
9361924182
10351924193
11341925203
12331925213
13321924213
14312024223
15302024224
16302024234
17292023234
18282023245
19282022245
20272122246
21272121247
22262121247
23262120248
24252220249
252522202410
262422202410
272323202311
282223202311

Wind in February

Winds average 6 km/h in February.

Across February, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202528
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
277calm
287calm

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 6:40 AM to 6:26 AM, and sunset from 5:43 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:405:43
211.16:405:43
311.16:395:44
411.16:395:45
511.16:395:45
611.16:385:46
711.16:385:46
811.26:385:47
911.26:375:48
1011.26:375:48
1111.26:365:49
1211.26:365:49
1311.26:355:50
1411.36:355:50
1511.36:345:51
1611.36:345:51
1711.36:335:52
1811.36:325:52
1911.46:325:53
2011.46:315:53
2111.46:315:54
2211.46:305:54
2311.46:295:55
2411.46:295:55
2511.56:285:56
2611.56:275:56
2711.56:265:57
2811.56:265:57

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 2.44 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 4.78 kWh/m² in June across the year — February's 2.44 kWh/m² sits near the bottom.

0123151015202528
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.4Moderate
52.4Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
Planning a trip in February

Hazard calendar for Sơn Tây

In seasonPeak

In February, Sơn Tây sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Sơn Tây sits in the Pacific typhoon belt; the season peaks July–October.

Sơn Tây'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 February a good time to visit Sơn Tây?

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

6.5
Sightseeing
3rd-best month of the year
4.4
Beach & pool
10th-best month of the year

February is a reasonable time to visit Sơn Tây for sightseeing.

What to pack for Sơn Tây in February

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

In February, Sơn Tây sees daytime highs around 22°C and nights near 16°C. Little to plan around — just the basics. About 8 days see rain.

UV index in Sơn Tây in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February 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 Sơn Tây peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highHighVery highExtremeVery highVery highHighJun 20UV 11Nov 21UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr6High
May7Very high
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep7High
Oct8Very high
Nov6High
Dec6High

Air quality in Sơn Tây 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 Sơn Tây is worst in December — around 171 µg/m³ PM2.5 (very unhealthy), about 3.4× the cleanest month (July, 50 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyVery unhealthyDec 19170 µg/m³Jul 1452 µg/m³
PM2.5 (µg/m³)Level
Jan161Very unhealthy
Feb136Unhealthy
Mar122Unhealthy
Apr106Unhealthy
May76Unhealthy
Jun59Unhealthy
Jul50Poor
Aug68Unhealthy
Sep96Unhealthy
Oct125Unhealthy
Nov152Very unhealthy
Dec171Very unhealthy
Location & terrain

Where is Sơn Tây?

Sơn Tây sits at 21.1°N, 105.5°E, 16 m above sea level, in Vietnam. The nearest listed city is Ba Vì, 14 km away.

Topography around Sơn Tây

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

Within 3 km, the terrain around Sơn Tây has only modest variations in elevation — a maximum elevation change of 32 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 694 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,677 m.

The land around Sơn Tây is covered by trees (42%), artificial surfaces (22%) and cropland (21%) within 3 km, trees (44%) and cropland (33%) within 16 km, and trees (66%) and cropland (22%) within 80 km.

3 km
32 m
16 km
694 m
80 km
1,677 m
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Ba Vì 14 km · Đan Phượng 17 km · Vĩnh Yên 21 km · Cổ Đô 21 km · Việt Trì 23 km · Phúc Yên 23 km · Thượng Cát 24 km · Bắc Từ Liêm 26 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 Sơn Tây (21.1405°, 105.5069°, elevation 16 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).