Phúc Yên weather in January

In January, Phúc Yên sees average daytime highs of 20°C and overnight lows near 14°C, with 43 mm of rain across 8.4 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 10th-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 42 min at the start of January to 11 hours by month's end. Set against the rest of the year, January is Phúc Yên's 7th-clearest and 7th-windiest month. For the whole year in context, see Phúc Yên's year-round climate.

Daytime high
20°
12th warmest
Overnight low
14°
1st coldest
Rainfall
43 mm
8.4 wet days
Daylight
10 h 48 min
6:41 AM – 5:32 PM
Cloud cover
78%
7th clearest
Wind
7 km/h
7th windiest
Solar energy
2.12 kWh/m²
Travel score
6.2
out of 10

Phúc Yên is provincial city of Vĩnh Phúc, Vietnam.

Density
1,500/km²
people per km²

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 Phúc Yên reaches about 20°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°C. Set against its neighbours, January runs about 2°C cooler than December and about 2°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52115
62015
72015
82015
92015
102015
112014
122014
132014
142014
152014
162014
172014
182014
192014
202014
212014
222014
232014
242014
252014
262014
272014
282014
292014
302014
312015

How January really feels in Phúc Yên

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.

Phúc Yên weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°438.410.96.2
Feb22° / 16°297.411.36.5
Mar24° / 19°5610.911.86.3
Apr29° / 22°9711.812.55.2
May32° / 25°24118.3133.2
Jun33° / 27°27119.713.32.4
Jul33° / 27°30221.613.22.4
Aug33° / 26°35123.412.72.5
Sep32° / 25°22918.912.13.2
Oct29° / 23°11111.411.55.2
Nov26° / 19°567.1117.1
Dec22° / 15°316.810.77.0

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 8% of January, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22872
32773
42575
52476
62476
72278
82278
92278
102179
112179
122080
132080
142080
152080
161981
172080
182080
192080
202080
211981
221981
231981
241981
251981
261981
271981
281981
291981
301981
311981

Chance of precipitation in January

Any precipitation

Phúc Yên gets around 43 mm of rain over 8.4 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 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
225
325
426
526
627
727
828
928
1029
1129
1229
1329
1429
1529
1629
1729
1829
1929
2028
2128
2227
2327
2426
2526
2625
2725
2824
2924
3024
3123

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1452023120
2452023130
3451922130
4451922140
5461821150
6461821150
7471820150
8471819160
9481819160
10481818160
11481817160
12491917150
13491916150
14501916150
15511916140
16511916140
17511916131
18511916131
19511917121
20511917121
21521817121
22521817121
23521718121
24521718121
25531618121
26531618121
27531519121
28521519122
29521519122
30521519122
31501520132

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 42 min at the start of January to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:38 AM to 6:40 AM, and sunset from 5:22 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:385:22
210.76:395:23
310.76:395:23
410.76:395:24
510.76:405:25
610.86:405:25
710.86:405:26
810.86:405:26
910.86:415:27
1010.86:415:28
1110.86:415:28
1210.86:415:29
1310.86:415:30
1410.86:415:30
1510.86:415:31
1610.86:415:32
1710.86:415:32
1810.96:415:33
1910.96:415:34
2010.96:415:34
2110.96:415:35
2210.96:415:36
2310.96:415:36
2410.96:415:37
2510.96:415:37
2611.06:415:38
2711.06:415:39
2811.06:405:39
2911.06:405:40
3011.06:405:41
3111.06:405:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.12 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 4.78 kWh/m² in June across the year — January's 2.12 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.4Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.2Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.1Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.2Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.3Moderate
312.3Moderate
Planning a trip in January

Hazard calendar for Phúc Yên

In seasonPeak

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

Phúc Yên'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 January a good time to visit Phúc Yên?

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

6.2
Sightseeing
5th-best month of the year
3.3
Beach & pool
12th-best month of the year

January is a reasonable time to visit Phúc Yên for sightseeing.

What to pack for Phúc Yên in January

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

In January, Phúc Yên sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 8 days see rain.

rain gear

UV index in Phúc Yên in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phúc Yên 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 Phúc Yên 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 Phúc Yên 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 Phúc Yên?

Phúc Yên sits at 21.2°N, 105.7°E, 20 m above sea level, in Vietnam. The nearest listed city is Quang Minh, 9.0 km away.

Topography around Phúc Yên

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

Within 3 km, the terrain around Phúc Yên has only modest variations in elevation — a maximum elevation change of 52 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 449 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,694 m.

The land around Phúc Yên is covered by cropland (38%), artificial surfaces (30%) and trees (25%) within 3 km, trees (37%) and cropland (35%) within 16 km, and trees (63%) and cropland (25%) within 80 km.

3 km
52 m
16 km
449 m
80 km
1,694 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Quang Minh 9.0 km · Vĩnh Yên 13 km · Sóc Sơn 15 km · Thượng Cát 16 km · Đan Phượng 17 km · Bắc Từ Liêm 20 km · Cổ Lóa 21 km · Tây Hồ 22 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 Phúc Yên (21.237°, 105.7048°, elevation 20 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).