Nam Định weather in August

In August, Nam Định sees average daytime highs of 32°C and overnight lows near 27°C, with 342 mm of rain across 23.6 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 10% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Nam Định's 10th-clearest and 11th-windiest month. For the whole year in context, see Nam Định's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
27°
10th coldest
Rainfall
342 mm
23.6 wet days
Daylight
12 h 42 min
5:38 AM – 6:20 PM
Cloud cover
83%
10th clearest
Wind
8 km/h
11th windiest
Solar energy
4.66 kWh/m²
Travel score
2.6
out of 10

Nam Định is the former provincial capital of the former Nam Dinh province, Vietnam.

Density
9,660/km²
people per km²
Founded
1921

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 Nam Định reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, August runs about 1°C cooler than July and about 1°C warmer than September.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73227
83227
93227
103227
113227
123227
133227
143227
153227
163227
173227
183227
193227
203227
213227
223227
233227
243227
253226
263226
273226
283226
293226
303226
313226

How August really feels in Nam Định

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.

Nam Định 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
Jan20° / 15°285.510.96.6
Feb22° / 17°154.111.36.9
Mar24° / 19°366.411.97.0
Apr28° / 23°638.712.56.0
May31° / 26°19616.3133.6
Jun33° / 28°18916.413.22.6
Jul33° / 28°24618.413.12.6
Aug32° / 27°34223.612.72.6
Sep31° / 25°27720.612.13.3
Oct29° / 23°14213.611.55.1
Nov26° / 20°618.3116.9
Dec22° / 16°296.310.87.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51684
61684
71684
81585
91585
101585
111585
121684
131684
141684
151684
161684
171783
181882
191882
201981
211981
222080
232080
242080
252179
262179
272179
282080
292080
302080
312080

Chance of precipitation in August

Any precipitation

Nam Định gets around 342 mm of rain over 23.6 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 76% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
274
374
474
574
674
774
874
974
1074
1174
1274
1374
1474
1574
1674
1774
1875
1975
2076
2176
2277
2378
2479
2579
2680
2781
2881
2982
3082
3183

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
10100
20100
30100
40100
50100
60100
70100
80100
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25298
26298
27298
28298
29298
30397
31397

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 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 5:33 AM to 5:42 AM, and sunset from 6:30 PM to 6:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:336:30
212.95:346:29
312.95:346:29
412.95:346:28
512.95:356:27
612.95:356:27
712.95:356:26
812.85:366:26
912.85:366:25
1012.85:366:25
1112.85:376:24
1212.85:376:23
1312.85:376:23
1412.75:386:22
1512.75:386:21
1612.75:386:20
1712.75:396:20
1812.75:396:19
1912.75:396:18
2012.65:396:17
2112.65:406:17
2212.65:406:16
2312.65:406:15
2412.65:416:14
2512.55:416:13
2612.55:416:13
2712.55:416:12
2812.55:426:11
2912.55:426:10
3012.45:426:09
3112.45:426:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.66 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.27 kWh/m² in June across the year — August's 4.66 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Nam Định

In seasonPeak

In August, Nam Định sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Nam Định sits in the Pacific typhoon belt; the season peaks July–October.

Nam Định'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 August a good time to visit Nam Định?

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

2.6
Sightseeing
10th-best month of the year
4.3
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Nam Định.

What to pack for Nam Định in August

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

In August, Nam Định sees daytime highs around 32°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Nam Định in August

The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 40 km away) is warmest in August at about 30°C and coldest in February near 20°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Refreshing
Mar21Refreshing
Apr24Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Nam Định in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nam Định peaks around July 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighJul 12UV 11Dec 16UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Nam Định 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 Nam Định is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 25 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1166 µg/m³Jul 1525 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb61Unhealthy
Mar61Unhealthy
Apr51Poor
May37Poor
Jun27Moderate
Jul25Moderate
Aug27Moderate
Sep41Poor
Oct52Poor
Nov56Unhealthy
Dec66Unhealthy
Location & terrain

Where is Nam Định?

Nam Định sits at 20.4°N, 106.2°E, 5 m above sea level, in Vietnam. The nearest listed city is Thái Bình, 17 km away.

Topography around Nam Định

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

Within 3 km, the terrain around Nam Định has only modest variations in elevation — a maximum elevation change of 14 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 63 m; within 80 km, large variations in elevation — a maximum elevation change of 1,061 m.

The land around Nam Định is covered by artificial surfaces (53%) within 3 km, cropland (59%) within 16 km, and cropland (36%), water (28%) and trees (23%) within 80 km.

3 km
14 m
16 km
63 m
80 km
1,061 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
August weather nearby: Thái Bình 17 km · Hưng Yên 27 km · Ninh Binh 28 km · Phủ Lý 30 km · Lương Bằng 36 km · Bỉm Sơn 52 km · Nga Sơn 52 km · Mỹ Hào 55 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 Nam Định (20.4339°, 106.1773°, elevation 5 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).