Phúc Yên weather in December

In December, Phúc Yên sees average daytime highs of 22°C and overnight lows near 15°C, with 31 mm of rain across 6.8 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 28% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Phúc Yên's 3rd-clearest and 9th-windiest month. For the whole year in context, see Phúc Yên's year-round climate.

Daytime high
22°
10th warmest
Overnight low
15°
2nd coldest
Rainfall
31 mm
6.8 wet days
Daylight
10 h 42 min
6:32 AM – 5:15 PM
Cloud cover
63%
3rd clearest
Wind
7 km/h
9th windiest
Solar energy
2.58 kWh/m²
Travel score
7.0
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 December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 23°C in the first days to 21°C by the end.

A typical December day in Phúc Yên reaches about 22°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 26°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22317
32317
42317
52317
62316
72316
82216
92216
102216
112216
122216
132216
142215
152215
162215
172215
182215
192115
202115
212115
222115
232115
242115
252115
262114
272114
282114
292114
302114
312115

How December really feels in Phúc Yên

Once humidity and wind are folded in, December 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

December 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 December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34258
44258
54159
64159
74159
83961
94060
104060
114060
124159
134159
144159
154258
164357
174357
184357
194456
204357
214357
224357
234357
244258
254159
264060
273862
283763
293565
303367
313268

Chance of precipitation in December

Any precipitation

Phúc Yên gets around 31 mm of rain over 6.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
323
423
524
624
724
824
923
1023
1123
1223
1322
1422
1522
1621
1721
1821
1921
2021
2121
2220
2320
2420
2521
2621
2722
2822
2923
3023
3124

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1262523178
2282523178
3292522167
4302622166
5322621156
6332621155
7342620155
8352719144
9372719143
10382618143
11402618142
12412518142
13422418142
14432417141
15452317141
16452217141
17462217141
18472117141
19472118131
20482118121
21482118121
22482119111
23482119111
24482120101
25482121101
26482121101
27472122100
28472122100
29462123100
30452123110
31452023110

Wind in December

Winds average 7 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:23 AM to 6:39 AM, and sunset from 5:11 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:235:11
210.86:245:11
310.86:245:11
410.86:255:11
510.86:255:12
610.86:265:12
710.86:275:12
810.76:275:12
910.76:285:12
1010.76:285:13
1110.76:295:13
1210.76:305:13
1310.76:305:14
1410.76:315:14
1510.76:315:14
1610.76:325:15
1710.76:325:15
1810.76:335:16
1910.76:335:16
2010.76:345:16
2110.76:345:17
2210.76:355:17
2310.76:355:18
2410.76:365:18
2510.76:365:19
2610.76:375:19
2710.76:375:20
2810.76:385:20
2910.76:385:21
3010.76:385:21
3110.76:395:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.58 kWh/m².

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 — December's 2.58 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Phúc Yên

In seasonPeak

None of Phúc Yên's seasonal hazards are active in December. 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 December a good time to visit Phúc Yên?

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

7.0
Sightseeing
2nd-best month of the year
4.8
Beach & pool
7th-best month of the year

December is one of the better times to visit Phúc Yên for general sightseeing.

What to pack for Phúc Yên in December

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

In December, Phúc Yên sees daytime highs around 22°C and nights near 15°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Phúc Yên in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).