Chũ weather in August

In August, Chũ sees average daytime highs of 32°C and overnight lows near 26°C, with 366 mm of rain across 26.2 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 32°C through the month. The sky is clear or mostly clear about 8% of the time in August, and the air most often feels miserable.

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 Chũ's 10th-clearest and 12th-windiest month. For the whole year in context, see Chũ's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
26°
10th coldest
Rainfall
366 mm
26.2 wet days
Daylight
12 h 42 min
5:36 AM – 6:20 PM
Cloud cover
83%
10th clearest
Wind
7 km/h
12th windiest
Solar energy
4.48 kWh/m²
Travel score
2.5
out of 10

Chũ is ward in Bắc Ninh province, Vietnam.

Density
40,088/km²
people per km²
Founded
1957

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 32°C through the month.

A typical August day in Chũ reaches about 32°C in the afternoon and slips back to 26°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33226
43226
53226
63226
73226
83226
93226
103226
113226
123226
133226
143226
153226
163226
173226
183226
193226
203226
213226
223226
233225
243225
253225
263225
273225
283225
293225
303225
313125

How August really feels in Chũ

Once humidity and wind are folded in, August averages 31 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
31
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Chũ 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
Jan19° / 14°376.810.86.2
Feb21° / 15°226.311.36.4
Mar23° / 18°491011.86.4
Apr28° / 22°7911.912.55.5
May31° / 24°25420.2133.4
Jun32° / 26°2872213.32.5
Jul32° / 26°30124.613.22.5
Aug32° / 26°36626.212.72.5
Sep31° / 24°23320.112.13.4
Oct29° / 22°10211.911.55.5
Nov25° / 18°557.7117.0
Dec21° / 15°346.510.76.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31585
41585
51585
61585
71486
81486
91585
101486
111585
121585
131684
141684
151585
161684
171783
181783
191882
201882
211981
222080
232080
242179
252179
262278
272278
282278
292278
302278
312278

Chance of precipitation in August

Any precipitation

Chũ gets around 366 mm of rain over 26.2 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 84% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
488
588
687
787
887
987
1087
1187
1286
1386
1486
1585
1685
1784
1884
1983
2083
2183
2283
2382
2482
2582
2681
2781
2881
2981
3081
3181

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10199
20199
30199
40199
50199
60199
70199
80199
90199
100199
110199
120298
130298
140298
150397
160397
170397
180496
190496
200595
210595
220694
230694
240793
250793
260892
270892
280991
290991
3001090
3111089

Wind in August

Winds average 7 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 7 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
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:30 AM to 5:40 AM, and sunset from 6:29 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:306:29
213.05:316:29
313.05:316:28
412.95:316:28
512.95:326:27
612.95:326:27
712.95:326:26
812.95:336:25
912.95:336:25
1012.85:346:24
1112.85:346:24
1212.85:346:23
1312.85:356:22
1412.85:356:21
1512.85:356:21
1612.75:366:20
1712.75:366:19
1812.75:366:18
1912.75:376:18
2012.75:376:17
2112.65:376:16
2212.65:386:15
2312.65:386:14
2412.65:386:14
2512.65:396:13
2612.65:396:12
2712.55:396:11
2812.55:396:10
2912.55:406:09
3012.55:406:08
3112.55:406:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.48 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 4.86 kWh/m² in June across the year — August's 4.48 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Chũ

In seasonPeak

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

Chũ'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 August a good time to visit Chũ?

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

2.5
Sightseeing
10th-best month of the year
4.0
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Chũ.

What to pack for Chũ in August

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

In August, Chũ sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. About 26 days see rain.

light clothesrain gear

UV index in Chũ in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chũ peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 21UV 11Dec 15UV 6
UV index (midday)Level
Jan7High
Feb7Very high
Mar8Very high
Apr7High
May9Very high
Jun12Extreme
Jul11Extreme
Aug8Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Chũ 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 Chũ is worst in December — around 92 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 35 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 2192 µg/m³Jul 1335 µg/m³
PM2.5 (µg/m³)Level
Jan90Unhealthy
Feb80Unhealthy
Mar76Unhealthy
Apr66Unhealthy
May49Poor
Jun37Poor
Jul35Moderate
Aug40Poor
Sep59Unhealthy
Oct74Unhealthy
Nov82Unhealthy
Dec92Unhealthy
Location & terrain

Where is Chũ?

Chũ sits at 21.4°N, 106.6°E, 18 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Đông Triều, 33 km away.

Topography around Chũ

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

Within 3 km, the terrain around Chũ has only modest variations in elevation — a maximum elevation change of 202 m around an average of 17 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 508 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,567 m.

The land around Chũ is covered by trees (84%) within 3 km, trees (87%) within 16 km, and trees (67%) within 80 km.

3 km
202 m
16 km
508 m
80 km
1,567 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Thị Trấn Đông Triều 33 km · Thị Trấn Mạo Khê 35 km · Bắc Giang 40 km · Chí Linh 43 km · Thành Phố Uông Bí 43 km · Việt Yên 46 km · Cung Kiệm 47 km · Hải Dương 54 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 Chũ (21.3738°, 106.5665°, elevation 18 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).