Ninh Hòa weather in May

In May, Ninh Hòa sees average daytime highs of 32°C and overnight lows near 25°C, with 159 mm of rain across 21.4 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 32°C through the month. The sky is clear or mostly clear about 16% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Ninh Hòa's 5th-clearest and 12th-windiest month. For the whole year in context, see Ninh Hòa's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
9th coldest
Rainfall
159 mm
21.4 wet days
Daylight
12 h 36 min
5:23 AM – 5:57 PM
Cloud cover
72%
5th clearest
Wind
4 km/h
12th windiest
Solar energy
5.78 kWh/m²
Travel score
3.1
out of 10

Ninh Hòa is town in South Central Coast, Vietnam.

Density
192/km²
people per km²
Founded
2010

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 32°C through the month.

A typical May day in Ninh Hòa reaches about 32°C in the afternoon and slips back to 25°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 34°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63125
73125
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Ninh Hòa

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.

Ninh Hòa 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°611011.36.6
Feb27° / 20°306.311.67.0
Mar29° / 22°428.211.96.1
Apr30° / 24°6611.712.34.6
May32° / 25°15921.412.63.1
Jun32° / 25°10419.412.72.9
Jul32° / 25°8817.612.73.1
Aug32° / 25°931712.43.0
Sep31° / 24°18922.712.12.9
Oct29° / 23°26926.111.73.6
Nov27° / 22°27520.911.44.7
Dec25° / 21°19916.711.35.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24555
34357
44357
54159
63961
73862
83664
93664
103565
113367
123268
133169
142971
152971
162773
172575
182575
192476
202476
212179
222179
232179
242179
252179
262278
272278
282278
292278
302278
312377

Chance of precipitation in May

Any precipitation

Ninh Hòa gets around 159 mm of rain over 21.4 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 68% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
150
252
353
454
556
657
758
859
960
1061
1162
1263
1364
1466
1567
1668
1770
1871
1973
2074
2175
2277
2378
2479
2579
2680
2780
2880
2980
3079
3179

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
128711
218811
318712
418712
518613
618613
718613
818613
918514
1018514
1118514
1218415
1318415
1418316
1518217
1618217
1718118
1818118
1918019
2018019
2117920
2217821
2307921
2407822
2507822
2607822
2707822
2807822
2907822
3007921
3107921

Wind in May

Winds average 4 km/h in May, the calmest month.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 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 18 minutes over May. Sunrise moves from 5:28 AM to 5:21 AM, and sunset from 5:54 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:285:54
212.45:275:54
312.55:275:54
412.55:265:54
512.55:265:55
612.55:265:55
712.55:255:55
812.55:255:55
912.55:245:55
1012.55:245:56
1112.55:245:56
1212.55:245:56
1312.55:235:56
1412.65:235:56
1512.65:235:57
1612.65:235:57
1712.65:225:57
1812.65:225:57
1912.65:225:58
2012.65:225:58
2112.65:225:58
2212.65:215:59
2312.65:215:59
2412.65:215:59
2512.65:215:59
2612.65:216:00
2712.75:216:00
2812.75:216:00
2912.75:216:01
3012.75:216:01
3112.75:216:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.78 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 6.13 kWh/m² in April across the year — May's 5.78 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Bright
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Ninh Hòa

In seasonPeak

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

Ninh Hòa sits in the Pacific typhoon belt; the season peaks July–October.

Ninh Hòa's rainy season runs September–December, when most of the year's rain falls.

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

Is May a good time to visit Ninh Hòa?

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

3.1
Sightseeing
8th-best month of the year
4.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Ninh Hòa.

What to pack for Ninh Hòa in May

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

In May, Ninh Hòa sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Ninh Hòa in May

The nearest coast averages about 29°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 September at about 29°C and coldest in January near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr27Warm
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov27Warm
Dec26Warm

UV index in Ninh Hòa in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ninh Hòa peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Dec 16UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Ninh Hòa 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 Ninh Hòa is worst in April — around 31 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1331 µg/m³Dec 1317 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar28Moderate
Apr31Moderate
May24Moderate
Jun21Moderate
Jul19Moderate
Aug19Moderate
Sep22Moderate
Oct23Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Ninh Hòa?

Ninh Hòa sits at 12.5°N, 109.1°E, 7 m above sea level, in Vietnam. The nearest listed city is Nha Trang, 28 km away.

Da LatKhánh HảiBuôn Hồ

Topography around Ninh Hòa

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

Within 3 km, the terrain around Ninh Hòa has only modest variations in elevation — a maximum elevation change of 87 m around an average of 8 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,345 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,408 m.

The land around Ninh Hòa is covered by cropland (38%), artificial surfaces (29%) and trees (28%) within 3 km, trees (48%) and cropland (22%) within 16 km, and trees (49%) and water (34%) within 80 km.

3 km
87 m
16 km
1,345 m
80 km
2,408 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nha Trang 28 km · Tu Bông 36 km · Cam Ranh 64 km · Tuy Hòa 70 km · Phước An 93 km · Da Lat 96 km · Khánh Hải 101 km · Buôn Hồ 103 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 Ninh Hòa (12.4919°, 109.1249°, 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).