Qui Nhon weather in May

In May, Qui Nhon sees average daytime highs of 30°C and overnight lows near 26°C, with 151 mm of rain across 18.3 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 22% 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 42 min by month's end. Set against the rest of the year, May is Qui Nhon's 5th-clearest and 11th-windiest month. For the whole year in context, see Qui Nhon's year-round climate.

Daytime high
30°
4th warmest
Overnight low
26°
9th coldest
Rainfall
151 mm
18.3 wet days
Daylight
12 h 36 min
5:20 AM – 5:58 PM
Cloud cover
68%
5th clearest
Wind
10 km/h
11th windiest
Solar energy
6.02 kWh/m²
Travel score
3.9
out of 10

Qui Nhon is provincial city of Vietnam.

Density
1,815/km²
people per km²
Founded
1986

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 30°C through the month.

A typical May day in Qui Nhon reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, May runs about 2°C warmer than April and about 1°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
143026
153026
163026
173026
183126
193126
203126
213126
223126
233127
243127
253127
263127
273127
283127
293127
303127
313127

How May really feels in Qui Nhon

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
heat index over the day's high
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.

Qui Nhon weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 21°1091611.36.0
Feb25° / 22°5310.311.56.7
Mar27° / 23°6010.211.96.8
Apr29° / 25°6210.112.35.8
May30° / 26°15118.312.63.9
Jun31° / 27°9016.112.83.5
Jul31° / 27°821512.73.7
Aug31° / 27°10616.112.53.5
Sep30° / 26°22622.912.13.2
Oct28° / 25°35826.211.73.9
Nov26° / 24°41623.111.44.5
Dec25° / 22°28322.511.24.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
24951
34852
44852
54753
64555
74555
84456
94258
104258
114159
123961
133961
143862
153763
163565
173565
183367
193268
203169
213070
222872
232872
242872
252872
262872
272773
282872
292872
302872
312872

Chance of precipitation in May

Any precipitation

Qui Nhon gets around 151 mm of rain over 18.3 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 58% 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 (%)
143
244
345
445
546
647
748
849
949
1050
1152
1253
1354
1456
1557
1659
1760
1862
1963
2064
2166
2267
2368
2469
2569
2669
2769
2869
2969
3068
3167

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
12674
22575
32476
42377
52278
62179
72080
81981
91882
101882
111783
121783
131783
141684
151684
161684
171684
181684
191585
201585
211585
221486
231486
241486
251486
261486
271486
281486
291486
301486
311585

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:26 AM to 5:18 AM, and sunset from 5:55 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:265:55
212.55:255:55
312.55:255:55
412.55:245:55
512.55:245:56
612.55:245:56
712.55:235:56
812.65:235:56
912.65:225:57
1012.65:225:57
1112.65:225:57
1212.65:215:57
1312.65:215:58
1412.65:215:58
1512.65:215:58
1612.65:205:58
1712.65:205:59
1812.75:205:59
1912.75:205:59
2012.75:196:00
2112.75:196:00
2212.75:196:00
2312.75:196:00
2412.75:196:01
2512.75:196:01
2612.75:186:01
2712.75:186:02
2812.75:186:02
2912.75:186:02
3012.75:186:03
3112.75:186:03

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.02 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 6.1 kWh/m² in April across the year — May's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.0Intense
106.0Intense
116.0Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in May

Hazard calendar for Qui Nhon

In seasonPeak

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

Qui Nhon sits in the Pacific typhoon belt; the season peaks July–October.

Qui Nhon'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 Qui Nhon?

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

3.9
Sightseeing
7th-best month of the year
5.5
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Qui Nhon.

What to pack for Qui Nhon in May

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

In May, Qui Nhon sees daytime highs around 30°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Qui Nhon 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 20 km away) is warmest in September at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Qui Nhon 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 Qui Nhon peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 14UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Qui Nhon 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 Qui Nhon is worst in April — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1616 µg/m³Nov 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb14Moderate
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug16Moderate
Sep14Moderate
Oct14Moderate
Nov13Moderate
Dec14Moderate
Location & terrain

Where is Qui Nhon?

Qui Nhon sits at 13.8°N, 109.2°E, 7 m above sea level, in Vietnam. The nearest listed city is An Nhơn, 17 km away.

A Yun PaTu BôngĐức PhổEa Drăng

Topography around Qui Nhon

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

Within 3 km, the terrain around Qui Nhon has significant variations in elevation — a maximum elevation change of 272 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 732 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,301 m.

The land around Qui Nhon is covered by water (45%) and artificial surfaces (34%) within 3 km, water (43%) and trees (28%) within 16 km, and trees (47%) and water (37%) within 80 km.

3 km
272 m
16 km
732 m
80 km
1,301 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: An Nhơn 17 km · Sông Cầu 36 km · An Khê 65 km · Tuy Hòa 76 km · A Yun Pa 95 km · Tu Bông 113 km · Đức Phổ 119 km · Ea Drăng 127 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 Qui Nhon (13.7765°, 109.2237°, elevation 7 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).