Nghĩa Lộ weather in December

In December, Nghĩa Lộ sees average daytime highs of 17°C and overnight lows near 11°C, with 64 mm of rain across 10.9 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 17°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 Nghĩa Lộ's 2nd-clearest and 8th-windiest month. For the whole year in context, see Nghĩa Lộ's year-round climate.

Daytime high
17°
11th warmest
Overnight low
11°
2nd coldest
Rainfall
64 mm
10.9 wet days
Daylight
10 h 42 min
6:37 AM – 5:19 PM
Cloud cover
62%
2nd clearest
Wind
4 km/h
8th windiest
Solar energy
2.96 kWh/m²
Travel score
5.4
out of 10

Nghĩa Lộ is town in Yen Bai province, Vietnam.

Density
2,304/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 18°C in the first days to 17°C by the end.

A typical December day in Nghĩa Lộ reaches about 17°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°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)
11912
21912
31812
41812
51812
61811
71811
81811
91811
101811
111711
121711
131711
141711
151710
161710
171710
181710
191710
201710
211710
221710
231710
241710
251710
261710
271710
281710
291710
301710
311710

Nghĩa Lộ weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan16° / 10°7513.810.84.5
Feb18° / 11°711411.35.1
Mar21° / 14°13418.111.85.3
Apr25° / 17°19420.612.55.1
May27° / 20°30023.6134.4
Jun28° / 22°31825.213.33.8
Jul27° / 21°41326.413.23.8
Aug27° / 21°43928.112.73.7
Sep26° / 20°29023.412.14.4
Oct24° / 17°15317.511.55.6
Nov21° / 14°8312.4116.0
Dec17° / 11°6410.910.75.4

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 15% of December, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33862
43862
53763
63763
73763
83763
93862
103961
113961
124159
134258
144357
154456
164555
174753
184753
194852
204852
215050
225050
234951
244951
254951
264852
274852
284753
294555
304357
314258

Chance of precipitation in December

Any precipitation

Nghĩa Lộ gets around 64 mm of rain over 10.9 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 35% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
143
242
342
442
541
640
739
838
937
1036
1135
1233
1332
1431
1531
1630
1730
1830
1930
2030
2131
2231
2332
2432
2533
2634
2734
2835
2936
3037
3138

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14639141
24838131
35037121
45236111
55435101
6563491
7583381
8603271
9623161
10643150
11653050
12672940
13682840
14692830
15702730
16712630
17712630
18712630
19722530
20732520
21732520
22742420
23742420
24742420
25742420
26742420
27742510
28742510
29742510
30732610
31722620

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 3 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
263calm
273calm
283calm
293calm
303calm
313calm

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 6:28 AM to 6:44 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)
110.86:285:15
210.86:295:15
310.86:305:15
410.86:305:15
510.76:315:16
610.76:325:16
710.76:325:16
810.76:335:16
910.76:335:17
1010.76:345:17
1110.76:355:17
1210.76:355:17
1310.76:365:18
1410.76:365:18
1510.76:375:18
1610.76:375:19
1710.76:385:19
1810.76:385:20
1910.76:395:20
2010.76:395:20
2110.76:405:21
2210.76:405:21
2310.76:415:22
2410.76:415:22
2510.76:425:23
2610.76:425:23
2710.76:435:24
2810.76:435:24
2910.76:435:25
3010.76:445:26
3110.76:445:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.96 kWh/m².

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 4.92 kWh/m² in May across the year — December's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.0Moderate
23.0Moderate
32.9Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.9Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
283.0Moderate
293.0Moderate
302.9Moderate
312.9Moderate
Planning a trip in December

Hazard calendar for Nghĩa Lộ

In seasonPeak

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

Nghĩa Lộ'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 Nghĩa Lộ?

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

5.4
Sightseeing
3rd-best month of the year
1.5
Beach & pool
11th-best month of the year

December is a reasonable time to visit Nghĩa Lộ for sightseeing.

What to pack for Nghĩa Lộ in December

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

In December, Nghĩa Lộ sees daytime highs around 17°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Nghĩa Lộ 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 Nghĩa Lộ peaks around June 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighJun 20UV 14Dec 20UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar12Extreme
Apr9Very high
May11Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep9Very high
Oct9Very high
Nov8Very high
Dec6High

Air quality in Nghĩa Lộ 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 Nghĩa Lộ is worst in April — around 70 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (July, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModeratePoorApr 1169 µg/m³Jul 2016 µg/m³
PM2.5 (µg/m³)Level
Jan43Poor
Feb48Poor
Mar64Unhealthy
Apr70Unhealthy
May34Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep23Moderate
Oct30Moderate
Nov37Poor
Dec42Poor
Location & terrain

Where is Nghĩa Lộ?

Nghĩa Lộ sits at 21.6°N, 104.5°E, 260 m above sea level, in Vietnam. The nearest listed city is Yên Bái, 43 km away.

Cổ Đô

Topography around Nghĩa Lộ

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

Within 3 km, the terrain around Nghĩa Lộ has only modest variations in elevation — a maximum elevation change of 242 m around an average of 279 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,218 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,909 m.

The land around Nghĩa Lộ is covered by cropland (41%) and trees (38%) within 3 km, trees (77%) within 16 km, and trees (80%) within 80 km.

3 km
242 m
16 km
2,218 m
80 km
2,909 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Yên Bái 43 km · Ít Ong 51 km · Sơn La 69 km · Tuyên Quang 76 km · Phú Thọ 76 km · Thị Trấn Phố Lu 87 km · Thị Trấn Thuận Châu 87 km · Cổ Đô 95 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 Nghĩa Lộ (21.6°, 104.5167°, elevation 260 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).