Phú Thọ weather in January

In January, Phú Thọ sees average daytime highs of 20°C and overnight lows near 15°C, with 29 mm of rain across 5.5 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 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 Phú Thọ's 7th-clearest and 7th-windiest month. For the whole year in context, see Phú Thọ's year-round climate.

Daytime high
20°
12th warmest
Overnight low
15°
1st coldest
Rainfall
29 mm
5.5 wet days
Daylight
10 h 48 min
6:44 AM – 5:33 PM
Cloud cover
76%
7th clearest
Wind
5 km/h
7th windiest
Solar energy
2.1 kWh/m²
Travel score
6.6
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 Phú Thọ reaches about 20°C in the afternoon and slips back to 15°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
42015
52015
62015
72015
82015
92015
102015
112015
122015
132015
142015
152015
162015
172015
182014
192014
202014
212014
222014
232014
242014
252014
262014
272014
282015
292015
302015
312015

How January really feels in Phú Thọ

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.

Phú Thọ 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° / 15°295.510.86.6
Feb22° / 16°195.211.36.9
Mar25° / 19°437.211.86.9
Apr29° / 22°8610.212.55.2
May32° / 25°21917.3133.3
Jun33° / 26°27919.513.32.5
Jul33° / 26°3022213.22.5
Aug32° / 26°36923.412.72.5
Sep31° / 25°22519.312.13.3
Oct29° / 23°10311.511.55.4
Nov26° / 19°516.7117.2
Dec22° / 16°285.410.77.2

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33169
42872
52773
62773
72674
82575
92575
102476
112377
122377
132179
142179
152179
162179
172179
182179
192179
202179
212179
222179
232179
242278
252278
262278
272278
282278
292377
302377
312476

Chance of precipitation in January

Any precipitation

Phú Thọ gets around 29 mm of rain over 5.5 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 18% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
219
319
419
519
620
720
820
920
1020
1119
1219
1319
1418
1518
1618
1718
1817
1917
2017
2117
2216
2316
2416
2516
2616
2716
2816
2916
3016
3116

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
140242890
2402327100
3402327100
4402226110
5412226110
6412225120
7422224120
8422224120
9432223120
10432322120
11432321120
12442420120
13442420120
14442419120
15452519110
16452519110
17462519110
18462519110
19462419100
20472419100
21472419100
22482319100
23482319100
24492219100
25492119100
26492019110
27492020110
28501920111
29491920111
30491820111
31491821111

Wind in January

Winds average 5 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:41 AM to 6:42 AM, and sunset from 5:24 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:415:24
210.76:415:24
310.76:415:25
410.76:425:26
510.76:425:26
610.76:425:27
710.86:425:27
810.86:435:28
910.86:435:29
1010.86:435:29
1110.86:435:30
1210.86:435:31
1310.86:435:31
1410.86:435:32
1510.86:445:33
1610.86:445:33
1710.86:445:34
1810.86:445:35
1910.96:445:35
2010.96:445:36
2110.96:445:37
2210.96:435:37
2310.96:435:38
2410.96:435:39
2510.96:435:39
2610.96:435:40
2711.06:435:40
2811.06:435:41
2911.06:425:42
3011.06:425:42
3111.06:425:43

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.1 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 4.69 kWh/m² in June across the year — January's 2.1 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.2Moderate
52.2Moderate
62.2Moderate
72.1Moderate
82.1Moderate
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
252.1Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.2Moderate
302.2Moderate
312.3Moderate
Planning a trip in January

Hazard calendar for Phú Thọ

In seasonPeak

In January, Phú Thọ sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Phú Thọ sits in the Pacific typhoon belt; the season peaks July–October.

Phú Thọ'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 January a good time to visit Phú Thọ?

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

6.6
Sightseeing
5th-best month of the year
3.5
Beach & pool
12th-best month of the year

January is a reasonable time to visit Phú Thọ for sightseeing.

What to pack for Phú Thọ in January

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

In January, Phú Thọ sees daytime highs around 20°C and nights near 15°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Phú Thọ 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 Phú Thọ peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highHighVery highExtremeHighJun 20UV 12Nov 20UV 5
UV index (midday)Level
Jan6High
Feb7High
Mar8Very high
Apr6High
May8Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep6High
Oct7Very high
Nov5High
Dec6High

Air quality in Phú Thọ 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 Phú Thọ is worst in December — around 83 µg/m³ PM2.5 (unhealthy), about 2.9× the cleanest month (July, 29 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 2383 µg/m³Jul 2029 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb78Unhealthy
Mar78Unhealthy
Apr72Unhealthy
May50Poor
Jun36Poor
Jul29Moderate
Aug32Moderate
Sep42Poor
Oct57Unhealthy
Nov73Unhealthy
Dec83Unhealthy
Location & terrain

Where is Phú Thọ?

Phú Thọ sits at 21.4°N, 105.2°E, 32 m above sea level, in Vietnam. The nearest listed city is Cổ Đô, 20 km away.

Topography around Phú Thọ

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

Within 3 km, the terrain around Phú Thọ has only modest variations in elevation — a maximum elevation change of 34 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 391 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,752 m.

The land around Phú Thọ is covered by trees (39%) and cropland (32%) within 3 km, trees (62%) and cropland (24%) within 16 km, and trees (77%) within 80 km.

3 km
34 m
16 km
391 m
80 km
2,752 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Cổ Đô 20 km · Việt Trì 20 km · Ba Vì 39 km · Vĩnh Yên 41 km · Sơn Tây 41 km · Tuyên Quang 47 km · Yên Bái 48 km · Thị Trấn Đại Từ 50 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 Phú Thọ (21.3996°, 105.2222°, elevation 32 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).