Nghĩa Lộ weather in August

In August, Nghĩa Lộ sees average daytime highs of 27°C and overnight lows near 21°C, with 439 mm of rain across 28.1 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 6% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 hours at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Nghĩa Lộ's 10th-clearest and 11th-windiest month. For the whole year in context, see Nghĩa Lộ's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
439 mm
28.1 wet days
Daylight
12 h 42 min
5:44 AM – 6:28 PM
Cloud cover
86%
10th clearest
Wind
4 km/h
11th windiest
Solar energy
4.36 kWh/m²
Travel score
3.7
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 August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Nghĩa Lộ reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312721

Nghĩa Lộ weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 8% of August, with mostly cloudy or overcast conditions the remaining 87%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11090
21090
31090
41090
51090
61090
71090
81090
91090
101090
111090
121189
131288
141288
151288
161486
171486
181486
191486
201684
211684
221684
231684
241684
251783
261882
271882
281882
291882
301882
311882

Chance of precipitation in August

Any precipitation

Nghĩa Lộ gets around 439 mm of rain over 28.1 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 90% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
293
393
493
593
693
793
893
992
1092
1192
1291
1391
1491
1590
1690
1790
1889
1989
2089
2189
2289
2389
2488
2588
2688
2788
2888
2988
3088
3188

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
105347
205347
305248
405248
505248
605248
705248
805347
905446
1005545
1105644
1215643
1315742
1415940
1516039
1616138
1716237
1816435
1916534
2016534
2116633
2216732
2316732
2416831
2516831
2616831
2716930
2816930
2916930
3017029
3117029

Wind in August

Winds average 4 km/h in August.

Across August, 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
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:38 AM to 5:48 AM, and sunset from 6:38 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:386:38
213.05:386:37
313.05:396:37
413.05:396:36
512.95:406:36
612.95:406:35
712.95:406:35
812.95:416:34
912.95:416:33
1012.95:416:33
1112.85:426:32
1212.85:426:31
1312.85:436:31
1412.85:436:30
1512.85:436:29
1612.75:446:28
1712.75:446:28
1812.75:446:27
1912.75:456:26
2012.75:456:25
2112.75:456:24
2212.65:466:24
2312.65:466:23
2412.65:466:22
2512.65:476:21
2612.65:476:20
2712.55:476:19
2812.55:476:18
2912.55:486:18
3012.55:486:17
3112.55:486:16

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.36 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 — August's 4.36 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.3Bright
Planning a trip in August

Hazard calendar for Nghĩa Lộ

In seasonPeak

In August, Nghĩa Lộ sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 August a good time to visit Nghĩa Lộ?

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

3.7
Sightseeing
12th-best month of the year
3.8
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Nghĩa Lộ.

What to pack for Nghĩa Lộ in August

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

In August, Nghĩa Lộ sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

UV index in Nghĩa Lộ in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).