Quảng Ngãi weather in May

In May, Quảng Ngãi sees average daytime highs of 33°C and overnight lows near 26°C, with 142 mm of rain across 18.8 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Quảng Ngãi's 4th-clearest and 8th-windiest month. For the whole year in context, see Quảng Ngãi's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
26°
9th coldest
Rainfall
142 mm
18.8 wet days
Daylight
12 h 42 min
5:20 AM – 6:02 PM
Cloud cover
71%
4th clearest
Wind
5 km/h
8th windiest
Solar energy
6.14 kWh/m²
Travel score
2.7
out of 10

Quảng Ngãi is provincial city of Vietnam.

Density
1,739/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Quảng Ngãi reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs about 2°C warmer than April and about 1°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53325
63325
73326
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273426
283426
293426
303426
313426

How May really feels in Quảng Ngãi

Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Quảng Ngãi weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 20°12816.211.25.7
Feb26° / 20°7110.911.56.4
Mar28° / 22°8410.511.95.9
Apr31° / 24°8012.212.34.2
May33° / 26°14218.812.72.7
Jun34° / 27°10517.612.92.4
Jul34° / 26°13218.412.82.5
Aug33° / 26°15720.512.52.5
Sep31° / 25°28624.912.12.7
Oct29° / 23°3582611.73.5
Nov27° / 22°42422.611.34.4
Dec25° / 21°3142211.14.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34258
44258
54258
64060
73961
83961
93862
103763
113664
123565
133466
143367
153268
163070
172971
182971
192773
202674
212674
222575
232575
242575
252476
262476
272476
282575
292575
302575
312575

Chance of precipitation in May

Any precipitation

Quảng Ngãi gets around 142 mm of rain over 18.8 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
147
247
348
449
550
651
751
852
953
1054
1155
1257
1358
1459
1561
1662
1763
1864
1965
2066
2167
2268
2368
2469
2569
2669
2769
2868
2968
3067
3166

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
113564
203367
303169
402971
502773
602575
702476
802278
902179
1002080
1112079
1211980
1311980
1411881
1511881
1611782
1711782
1811683
1911683
2011584
2111584
2201486
2301387
2401387
2501288
2601189
2701090
2801090
290991
300991
310991

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:26 AM to 5:18 AM, and sunset from 5:58 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:265:58
212.55:265:58
312.65:255:59
412.65:255:59
512.65:245:59
612.65:245:59
712.65:236:00
812.65:236:00
912.65:226:00
1012.65:226:00
1112.65:226:01
1212.75:216:01
1312.75:216:01
1412.75:216:01
1512.75:206:02
1612.75:206:02
1712.75:206:02
1812.75:206:03
1912.75:196:03
2012.75:196:03
2112.75:196:04
2212.85:196:04
2312.85:186:04
2412.85:186:05
2512.85:186:05
2612.85:186:05
2712.85:186:06
2812.85:186:06
2912.85:186:06
3012.85:186:07
3112.85:186:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.14 kWh/m².

For context, solar energy here swings from a low near 2.86 kWh/m² to a high of 6.17 kWh/m² in April across the year — May's 6.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Quảng Ngãi

In seasonPeak

In May, Quảng Ngãi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Quảng Ngãi sits in the Pacific typhoon belt; the season peaks July–October.

Quảng Ngãi's monsoon runs September–December, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Quảng Ngãi?

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

2.7
Sightseeing
8th-best month of the year
4.9
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Quảng Ngãi.

What to pack for Quảng Ngãi in May

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

In May, Quảng Ngãi sees daytime highs around 33°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 19 days see rain.

light clothesrain gearsun protection

Sea temperature near Quảng Ngãi in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in August at about 30°C and coldest in February near 24°C.

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

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Quảng Ngãi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Quảng Ngãi peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 16UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec7High

Air quality in Quảng Ngãi in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Quảng Ngãi is worst in March — around 35 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2335 µg/m³Nov 1815 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar35Moderate
Apr34Moderate
May28Moderate
Jun23Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec16Moderate
Location & terrain

Where is Quảng Ngãi?

Quảng Ngãi sits at 15.1°N, 108.8°E, 13 m above sea level, in Vietnam. The nearest listed city is Mỹ Khê, 12 km away.

Hoi An

Topography around Quảng Ngãi

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

Within 3 km, the terrain around Quảng Ngãi has only modest variations in elevation — a maximum elevation change of 57 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 921 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,931 m.

The land around Quảng Ngãi is covered by artificial surfaces (46%) and trees (23%) within 3 km, trees (49%) and cropland (22%) within 16 km, and trees (49%) and water (42%) within 80 km.

3 km
57 m
16 km
921 m
80 km
1,931 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Mỹ Khê 12 km · Mỹ Lại 13 km · Núi Thành 37 km · Đức Phổ 39 km · Lý Sơn 45 km · Tam Kỳ 61 km · Đông Phú 87 km · Hoi An 98 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 Quảng Ngãi (15.1205°, 108.7923°, elevation 13 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).