An Nhơn weather in May

In May, An Nhơn sees average daytime highs of 33°C and overnight lows near 26°C, with 122 mm of rain across 17.9 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 33°C through the month. The sky is clear or mostly clear about 19% 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 An Nhơn's 5th-clearest and 12th-windiest month. For the whole year in context, see An Nhơn's year-round climate.

Daytime high
33°
4th warmest
Overnight low
26°
9th coldest
Rainfall
122 mm
17.9 wet days
Daylight
12 h 36 min
5:21 AM – 5:59 PM
Cloud cover
70%
5th clearest
Wind
7 km/h
12th windiest
Solar energy
5.92 kWh/m²
Travel score
2.9
out of 10

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 An Nhơn 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 on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63325
73325
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in An Nhơn

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
29 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.

An Nhơn 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
Jan25° / 20°6913.711.36.1
Feb26° / 21°358.711.56.7
Mar29° / 22°479.311.95.9
Apr31° / 24°5810.412.34.4
May33° / 26°12217.912.62.9
Jun34° / 27°8015.312.82.6
Jul33° / 26°8215.312.72.8
Aug33° / 26°9816.112.52.8
Sep32° / 25°2022212.12.8
Oct29° / 24°2782511.73.6
Nov27° / 23°31822.111.44.5
Dec25° / 21°19720.211.25.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25050
34852
44753
54654
64555
74357
84357
94060
103961
113862
123763
133664
143466
153367
163169
173070
182971
192872
202773
212575
222575
232575
242476
252377
262476
272476
282476
292476
302476
312377

Chance of precipitation in May

Any precipitation

An Nhơn gets around 122 mm of rain over 17.9 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 57% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
145
246
347
448
549
650
751
851
952
1053
1154
1255
1356
1457
1558
1659
1760
1860
1961
2062
2162
2263
2363
2464
2564
2664
2764
2864
2963
3062
3162

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
104357
204258
304159
404060
503862
603763
703664
803664
903565
1003565
1103466
1203466
1313465
1413564
1513564
1613564
1713663
1813663
1913762
2013762
2113861
2203862
2303961
2403961
2504060
2604060
2704159
2804159
2904159
3004258
3104258

Wind in May

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

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 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
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:55 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:265:55
212.55:265:56
312.55:255:56
412.55:255:56
512.55:245:56
612.55:245:56
712.65:245:57
812.65:235:57
912.65:235:57
1012.65:225:57
1112.65:225:58
1212.65:225:58
1312.65:215:58
1412.65:215:58
1512.65:215:59
1612.65:215:59
1712.65:205:59
1812.75:206:00
1912.75:206:00
2012.75:206:00
2112.75:196:00
2212.75:196:01
2312.75:196:01
2412.75:196:01
2512.75:196:02
2612.75:196:02
2712.75:196:02
2812.75:196:03
2912.75:186:03
3012.75:186:03
3112.85:186:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.92 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 6.08 kWh/m² in April across the year — May's 5.92 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
106.0Bright
116.0Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.9Bright
Planning a trip in May

Hazard calendar for An Nhơn

In seasonPeak

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

An Nhơn sits in the Pacific typhoon belt; the season peaks July–October.

An Nhơn'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 An Nhơn?

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

2.9
Sightseeing
8th-best month of the year
5.1
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in An Nhơn.

What to pack for An Nhơn in May

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

In May, An Nhơn sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near An Nhơn 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 29 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 An Nhơn 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 An Nhơn peaks around August 13 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 13UV 13Dec 16UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec7Very high

Air quality in An Nhơn 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 An Nhơn is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (July, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2032 µg/m³Jul 1914 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar33Moderate
Apr28Moderate
May19Moderate
Jun15Moderate
Jul13Moderate
Aug14Moderate
Sep16Moderate
Oct17Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is An Nhơn?

An Nhơn sits at 13.9°N, 109.1°E, 13 m above sea level, in Vietnam. The nearest listed city is Qui Nhon, 17 km away.

Đức PhổPleikuEa Drăng

Topography around An Nhơn

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

Within 3 km, the terrain around An Nhơn has only modest variations in elevation — a maximum elevation change of 113 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 642 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,452 m.

The land around An Nhơn is covered by cropland (50%), trees (20%) and artificial surfaces (20%) within 3 km, trees (39%) and cropland (35%) within 16 km, and trees (49%) and water (32%) within 80 km.

3 km
113 m
16 km
642 m
80 km
1,452 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Qui Nhon 17 km · Sông Cầu 49 km · An Khê 50 km · A Yun Pa 91 km · Tuy Hòa 91 km · Đức Phổ 104 km · Pleiku 120 km · Ea Drăng 123 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 An Nhơn (13.8858°, 109.1082°, 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).