Thị Trấn Phố Lu weather in December

In December, Thị Trấn Phố Lu sees average daytime highs of 20°C and overnight lows near 13°C, with 70 mm of rain across 13.2 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 25% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Thị Trấn Phố Lu's 3rd-clearest and 5th-windiest month. For the whole year in context, see Thị Trấn Phố Lu's year-round climate.

Daytime high
20°
11th warmest
Overnight low
13°
2nd coldest
Rainfall
70 mm
13.2 wet days
Daylight
10 h 36 min
6:40 AM – 5:19 PM
Cloud cover
64%
3rd clearest
Wind
4 km/h
5th windiest
Solar energy
2.69 kWh/m²
Travel score
5.7
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical December day in Thị Trấn Phố Lu reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52014
62014
72014
82013
92013
102013
112013
122013
132013
141913
151913
161912
171912
181912
191912
201912
211912
221912
231912
241912
251912
261912
271912
281912
291912
301912
311912

How December really feels in Thị Trấn Phố Lu

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.

Thị Trấn Phố Lu weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 12°7316.410.85.0
Feb20° / 13°6515.511.25.3
Mar24° / 16°9618.111.85.5
Apr28° / 20°11618.412.54.8
May30° / 23°23521.713.13.6
Jun31° / 24°29623.813.32.8
Jul31° / 25°34424.613.22.9
Aug30° / 24°35223.912.83.1
Sep29° / 23°21120.512.14.0
Oct26° / 20°12716.211.55.7
Nov23° / 16°7913.510.96.2
Dec20° / 13°7013.210.75.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 60%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23862
33862
43763
53763
63763
73763
83664
93763
103862
113862
124060
134060
144060
154258
164258
174357
184456
194456
204456
214456
224555
234555
244555
254357
264357
274159
284060
293961
303862
313763

Chance of precipitation in December

Any precipitation

Thị Trấn Phố Lu gets around 70 mm of rain over 13.2 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 43% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
148
248
348
447
547
647
746
845
945
1044
1143
1242
1341
1441
1540
1640
1739
1839
1939
2039
2139
2239
2340
2440
2541
2642
2743
2844
2945
3046
3147

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 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
124362910
225372810
32638279
42738268
52939257
63040246
73140235
83341225
93441214
103641203
113741193
123940192
134139182
144239182
154438171
164537171
174636161
184736161
194935151
204935151
215035141
225035141
235135131
245135131
255235130
265235130
275235130
285235130
295036140
305036140
315135140

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 42 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 grow by about 0 minutes over December. Sunrise moves from 6:31 AM to 6:47 AM, and sunset from 5:15 PM to 5:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:315:15
210.76:325:15
310.76:325:15
410.76:335:15
510.76:345:16
610.76:345:16
710.76:355:16
810.76:365:16
910.76:365:16
1010.76:375:17
1110.76:375:17
1210.76:385:17
1310.76:385:18
1410.66:395:18
1510.66:405:18
1610.66:405:19
1710.66:415:19
1810.66:415:19
1910.66:425:20
2010.66:425:20
2110.66:435:21
2210.66:435:21
2310.66:445:22
2410.66:445:22
2510.66:455:23
2610.66:455:23
2710.66:455:24
2810.66:465:24
2910.66:465:25
3010.66:475:25
3110.76:475:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.69 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 4.78 kWh/m² in May across the year — December's 2.69 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
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.7Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Hazard calendar for Thị Trấn Phố Lu

In seasonPeak

None of Thị Trấn Phố Lu's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Thị Trấn Phố Lu's rainy season runs May–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Thị Trấn Phố Lu?

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

5.7
Sightseeing
2nd-best month of the year
2.7
Beach & pool
11th-best month of the year

December is a reasonable time to visit Thị Trấn Phố Lu for sightseeing.

What to pack for Thị Trấn Phố Lu in December

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

In December, Thị Trấn Phố Lu sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Thị Trấn Phố Lu in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thị Trấn Phố Lu peaks around June 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 21UV 13Dec 18UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar11Extreme
Apr8Very high
May10Very high
Jun14Extreme
Jul13Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov7High
Dec5High

Air quality in Thị Trấn Phố Lu 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 Thị Trấn Phố Lu is worst in March — around 49 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (July, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2349 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb40Poor
Mar49Poor
Apr48Poor
May30Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep23Moderate
Oct28Moderate
Nov33Moderate
Dec36Poor
Location & terrain

Where is Thị Trấn Phố Lu?

Thị Trấn Phố Lu sits at 22.3°N, 104.2°E, 77 m above sea level, in Vietnam. The nearest listed city is Lào Cai, 29 km away.

Hà Giang

Topography around Thị Trấn Phố Lu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Phố Lu.

Within 3 km, the terrain around Thị Trấn Phố Lu has significant variations in elevation — a maximum elevation change of 328 m around an average of 149 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,129 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,061 m.

The land around Thị Trấn Phố Lu is covered by trees (86%) within 3 km, trees (91%) within 16 km, and trees (87%) within 80 km.

3 km
328 m
16 km
2,129 m
80 km
3,061 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Lào Cai 29 km · Sapa 35 km · Thị Trấn Việt Quang 65 km · Bắc Quang 72 km · Lai Châu 75 km · Nghĩa Lộ 87 km · Ít Ong 91 km · Hà Giang 99 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 Thị Trấn Phố Lu (22.3192°, 104.1872°, elevation 77 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).