Cam Ranh weather in May

In May, Cam Ranh sees average daytime highs of 30°C and overnight lows near 27°C, with 95 mm of rain across 16.3 wet days and about 12.5 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 21% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Cam Ranh's 5th-clearest and 11th-windiest month. For the whole year in context, see Cam Ranh's year-round climate.

Daytime high
30°
4th warmest
Overnight low
27°
11th coldest
Rainfall
95 mm
16.3 wet days
Daylight
12 h 30 min
5:23 AM – 5:56 PM
Cloud cover
68%
5th clearest
Wind
9 km/h
11th windiest
Solar energy
6.05 kWh/m²
Travel score
4.0
out of 10

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 Cam Ranh reaches about 30°C in the afternoon and slips back to 27°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 1°C warmer than April and on par with June.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163127
173127
183127
193127
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How May really feels in Cam Ranh

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.

Cam Ranh 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° / 22°8012.411.46.4
Feb26° / 23°367.511.67.0
Mar28° / 24°569.811.96.5
Apr29° / 26°6010.912.35.3
May30° / 27°9516.312.54.0
Jun31° / 27°6311.912.74.1
Jul31° / 27°5411.912.64.2
Aug31° / 27°6613.312.44.0
Sep30° / 26°16020.712.13.6
Oct28° / 25°28925.311.73.8
Nov27° / 24°30721.711.54.6
Dec26° / 23°26419.311.35.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
34951
44753
54654
64555
74357
84159
94060
104060
113862
123664
133664
143565
153466
163268
173169
183169
193070
202872
212872
222872
232872
242773
252773
262872
272872
282971
292971
302971
312971

Chance of precipitation in May

Any precipitation

Cam Ranh gets around 95 mm of rain over 16.3 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 52% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
248
348
449
550
650
751
851
952
1052
1152
1253
1353
1453
1554
1654
1754
1855
1955
2055
2154
2254
2353
2453
2552
2652
2751
2850
2949
3048
3147

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21585
31486
41387
51288
61090
71090
8991
9892
10892
11793
12793
13694
14694
15595
16595
17595
18496
19496
20496
21397
22397
23298
24298
25298
26298
27298
28298
29298
30298
31298

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 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 5:28 AM to 5:21 AM, and sunset from 5:53 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:285:53
212.45:285:53
312.45:275:53
412.45:275:54
512.55:265:54
612.55:265:54
712.55:265:54
812.55:255:54
912.55:255:54
1012.55:255:55
1112.55:245:55
1212.55:245:55
1312.55:245:55
1412.55:245:56
1512.55:235:56
1612.55:235:56
1712.65:235:56
1812.65:235:57
1912.65:235:57
2012.65:225:57
2112.65:225:57
2212.65:225:58
2312.65:225:58
2412.65:225:58
2512.65:225:58
2612.65:225:59
2712.65:225:59
2812.65:225:59
2912.65:225:59
3012.65:216:00
3112.65:216:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.05 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 6.39 kWh/m² in April across the year — May's 6.05 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.0Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Cam Ranh

In seasonPeak

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

Cam Ranh sits in the Pacific typhoon belt; the season peaks July–October.

Cam Ranh'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 Cam Ranh?

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

4.0
Sightseeing
9th-best month of the year
5.8
Beach & pool
8th-best month of the year

May is a reasonable time to visit Cam Ranh for sightseeing.

What to pack for Cam Ranh in May

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

In May, Cam Ranh sees daytime highs around 30°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Cam Ranh 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 24 km away) is warmest in May 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
Apr28Warm
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec26Warm

UV index in Cam Ranh 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 Cam Ranh peaks around April 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 highApr 18UV 13Dec 16UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Cam Ranh 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 Cam Ranh is worst in July — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1718 µg/m³Nov 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar15Moderate
Apr16Moderate
May15Moderate
Jun18Moderate
Jul19Moderate
Aug18Moderate
Sep16Moderate
Oct15Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Cam Ranh?

Cam Ranh sits at 11.9°N, 109.2°E, 15 m above sea level, in Vietnam. The nearest listed city is Nha Trang, 36 km away.

Tu BôngĐinh Văn

Topography around Cam Ranh

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

Within 3 km, the terrain around Cam Ranh has significant variations in elevation — a maximum elevation change of 510 m around an average of 44 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 898 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,277 m.

The land around Cam Ranh is covered by water (37%), trees (28%) and artificial surfaces (22%) within 3 km, trees (38%) and water (34%) within 16 km, and trees (45%) and water (41%) within 80 km.

3 km
510 m
16 km
898 m
80 km
2,277 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nha Trang 36 km · Khánh Hải 39 km · Phan Rang-Tháp Chàm 44 km · Ninh Hòa 64 km · Da Lat 78 km · Đưc Trọng 88 km · Tu Bông 95 km · Đinh Văn 101 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 Cam Ranh (11.9214°, 109.1591°, elevation 15 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).