Phổ Yên weather in January

In January, Phổ Yên sees average daytime highs of 20°C and overnight lows near 14°C, with 51 mm of rain across 10.8 wet days and about 10.8 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 12% 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 Phổ Yên's 7th-clearest and 6th-windiest month. For the whole year in context, see Phổ Yên's year-round climate.

Daytime high
20°
12th warmest
Overnight low
14°
1st coldest
Rainfall
51 mm
10.8 wet days
Daylight
10 h 48 min
6:41 AM – 5:31 PM
Cloud cover
79%
7th clearest
Wind
8 km/h
6th windiest
Solar energy
2.12 kWh/m²
Travel score
5.8
out of 10

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 Phổ Yên reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 25°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)
12114
22014
32014
42014
52014
62014
72014
82014
92014
102014
112014
122014
131914
141914
151914
161914
171914
181914
191914
201914
211914
221914
231914
241914
251914
261914
271914
281914
291914
301914
312014

How January really feels in Phổ 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.

Phổ 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°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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22674
32476
42476
52278
62179
72080
81981
91981
101981
111882
121882
131882
141783
151783
161783
171882
181882
191882
201783
211783
221882
231882
241882
251882
261882
271882
281882
291882
301783
311882

Chance of precipitation in January

Any precipitation

Phổ Yên gets around 51 mm of rain over 10.8 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
230
331
431
532
633
734
834
935
1035
1136
1236
1336
1436
1536
1636
1736
1836
1936
2035
2135
2235
2334
2434
2534
2634
2734
2834
2933
3033
3133

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 55% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1512019100
2521919100
3511919110
4521819110
5511719121
6511719121
7531618121
8521618131
9531617131
10531617131
11531617131
12551616121
13551616121
14551616121
15551716111
16551716111
17561716101
18561716101
19561716101
2057171691
2157171691
2257171691
2358161691
2457161791
2558151791
26571517101
27581417101
28581417101
29581417101
30571418101
31551418112

Wind in January

Winds average 8 km/h in January.

Across January, 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:39 AM, and sunset from 5:21 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:385:21
210.76:385:22
310.76:395:22
410.76:395:23
510.76:395:23
610.76:405:24
710.76:405:25
810.86:405:25
910.86:405:26
1010.86:405:27
1110.86:405:27
1210.86:415:28
1310.86:415:29
1410.86:415:29
1510.86:415:30
1610.86:415:31
1710.86:415:31
1810.86:415:32
1910.96:415:33
2010.96:415:33
2110.96:415:34
2210.96:415:34
2310.96:415:35
2410.96:415:36
2510.96:405:36
2610.96:405:37
2711.06:405:38
2811.06:405:38
2911.06:405:39
3011.06:395:40
3111.06:395:40

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 4.71 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 Phổ Yên

In seasonPeak

None of Phổ 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.

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 January a good time to visit Phổ Yên?

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

5.8
Sightseeing
3rd-best month of the year
2.9
Beach & pool
12th-best month of the year

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

What to pack for Phổ Yên in January

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

In January, Phổ Yên sees daytime highs around 20°C and nights near 14°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Phổ 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 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 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 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
January 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).