Phổ Yên weather in December

In December, Phổ Yên sees average daytime highs of 22°C and overnight lows near 15°C, with 38 mm of rain across 7.7 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 12th-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 26% 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 Phổ Yên's 3rd-clearest and 5th-windiest month. For the whole year in context, see Phổ Yên's year-round climate.

Daytime high
22°
10th warmest
Overnight low
15°
2nd coldest
Rainfall
38 mm
7.7 wet days
Daylight
10 h 42 min
6:32 AM – 5:14 PM
Cloud cover
64%
3rd clearest
Wind
8 km/h
5th windiest
Solar energy
2.6 kWh/m²
Travel score
6.8
out of 10

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 Phổ Yên reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°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)
12317
22317
32316
42316
52316
62316
72216
82216
92216
102215
112215
122215
132215
142215
152215
162115
172115
182115
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

How December really feels in Phổ 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.

Phổ Yên weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°5110.810.85.8
Feb21° / 15°4210.711.35.8
Mar24° / 18°7214.611.85.8
Apr28° / 22°9913.812.55.1
May31° / 25°24019.1133.4
Jun33° / 26°29321.113.32.5
Jul33° / 26°31723.213.22.5
Aug32° / 26°35924.712.72.5
Sep31° / 25°21117.912.13.4
Oct29° / 22°9510.711.55.4
Nov26° / 19°567.4117.0
Dec22° / 15°387.710.76.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34159
44159
54060
64060
73961
83961
93961
103862
113961
123961
134060
144060
154060
164258
174258
184258
194258
204258
214159
224159
234060
244060
253961
263862
273763
283565
293466
303268
313070

Chance of precipitation in December

Any precipitation

Phổ Yên gets around 38 mm of rain over 7.7 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1224
1324
1424
1524
1624
1724
1824
1924
2024
2124
2224
2324
2424
2524
2625
2726
2826
2927
3028
3129

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1352319157
2372319156
3382319146
4392418135
5412418135
6422417124
7432417124
8452416124
9462415113
10472415113
11492315112
12502314112
13512214112
14512214112
15512214112
16532113111
17542113111
18542113111
19542113111
20552113101
21552113101
2256211391
2355211491
2455221481
2555211581
2654211681
2754211681
2853211781
2952211881
3052211890
3153201890

Wind in December

Winds average 8 km/h in December.

Across December, 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.

0246810151015202531
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
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 6:38 AM, and sunset from 5:10 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:235:10
210.86:235:10
310.86:245:10
410.86:245:10
510.86:255:10
610.76:265:11
710.76:265:11
810.76:275:11
910.76:285:11
1010.76:285:12
1110.76:295:12
1210.76:295:12
1310.76:305:13
1410.76:305:13
1510.76:315:13
1610.76:325:14
1710.76:325:14
1810.76:335:14
1910.76:335:15
2010.76:345:15
2110.76:345:16
2210.76:355:16
2310.76:355:17
2410.76:355:17
2510.76:365:18
2610.76:365:18
2710.76:375:19
2810.76:375:19
2910.76:385:20
3010.76:385:20
3110.76:385:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.6 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 4.71 kWh/m² in June across the year — December's 2.6 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
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
262.6Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.4Moderate
312.4Moderate
Planning a trip in December

Hazard calendar for Phổ Yên

In seasonPeak

None of Phổ 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.

Phổ 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 Phổ Yên?

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

6.8
Sightseeing
2nd-best month of the year
4.6
Beach & pool
7th-best month of the year

December is a reasonable time to visit Phổ Yên for sightseeing.

What to pack for Phổ Yên in December

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

In December, Phổ Yên sees daytime highs around 22°C and nights near 15°C. Little to plan around — just the basics. About 8 days see rain.

UV index in Phổ 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 Phổ Yên peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 highHighJul 11UV 11Nov 23UV 6
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Phổ 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 Phổ Yên is worst in December — around 102 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (July, 37 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 20102 µg/m³Jul 1738 µg/m³
PM2.5 (µg/m³)Level
Jan98Unhealthy
Feb89Unhealthy
Mar86Unhealthy
Apr79Unhealthy
May57Unhealthy
Jun44Poor
Jul37Poor
Aug44Poor
Sep59Unhealthy
Oct76Unhealthy
Nov92Unhealthy
Dec102Unhealthy
Location & terrain

Where is Phổ Yên?

Phổ Yên sits at 21.4°N, 105.9°E, 22 m above sea level, in Vietnam. The nearest listed city is Thành phố Sông Công, 8.0 km away.

Topography around Phổ Yên

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

Within 3 km, the terrain around Phổ Yên has only modest variations in elevation — a maximum elevation change of 53 m around an average of 17 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 1,720 m.

The land around Phổ Yên is covered by trees (38%), artificial surfaces (30%) and cropland (24%) within 3 km, trees (51%) and cropland (35%) within 16 km, and trees (66%) and cropland (23%) within 80 km.

3 km
53 m
16 km
449 m
80 km
1,720 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Thành phố Sông Công 8.0 km · Sóc Sơn 19 km · Thái Nguyên 20 km · Phúc Yên 28 km · Quang Minh 28 km · Việt Yên 30 km · Vĩnh Yên 32 km · Bắc Ninh 32 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 Phổ Yên (21.4198°, 105.8899°, elevation 22 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).