Cần Giờ weather in May

In May, Cần Giờ sees average daytime highs of 32°C and overnight lows near 27°C, with 201 mm of rain across 24.9 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 6th-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 11% 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 Cần Giờ's 7th-clearest and 9th-windiest month. For the whole year in context, see Cần Giờ's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
201 mm
24.9 wet days
Daylight
12 h 30 min
5:34 AM – 6:03 PM
Cloud cover
78%
7th clearest
Wind
9 km/h
9th windiest
Solar energy
5.66 kWh/m²
Travel score
2.6
out of 10

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 Cần Giờ reaches about 32°C in the afternoon and slips back to 27°C overnight — a 5°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 on par with April and about 1°C warmer than June.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13227
23227
33227
43227
53227
63227
73227
83227
93227
103227
113227
123227
133227
143227
153227
163227
173227
183227
193227
203227
213227
223227
233227
243227
253227
263226
273226
283226
293226
303226
313126

How May really feels in Cần Giờ

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.

Cần Giờ weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°243.411.55.9
Feb30° / 24°81.311.75.9
Mar31° / 25°183.511.95.1
Apr32° / 27°5810.612.23.9
May32° / 27°20124.912.52.6
Jun31° / 26°25527.612.62.5
Jul30° / 26°25729.112.52.6
Aug30° / 26°2672912.32.6
Sep30° / 25°30128.412.12.6
Oct30° / 25°27127.311.82.9
Nov30° / 25°14216.411.54.1
Dec30° / 24°729.811.45.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24357
34159
43862
53763
63565
73268
83070
92872
102773
112575
122476
132278
142179
151981
161882
171783
181684
191585
201486
211486
221387
231387
241387
251486
261486
271486
281387
291387
301387
311288

Chance of precipitation in May

Any precipitation

Cần Giờ gets around 201 mm of rain over 24.9 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 80% and peaks near 91% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
156
258
360
462
564
666
768
870
972
1073
1175
1277
1379
1481
1582
1684
1785
1886
1987
2088
2189
2289
2390
2490
2590
2691
2791
2891
2991
3091
3191

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11486
21387
31189
41090
5892
6793
7694
8595
9496
10397
11397
12298
13298
14298
15199
16199
17199
18199
19199
20199
210100
220100
230100
240100
250100
260100
270100
28199
29199
30199
31199

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
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 5:38 AM to 5:33 AM, and sunset from 6:00 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:386:00
212.45:386:00
312.45:386:01
412.45:376:01
512.45:376:01
612.45:376:01
712.45:366:01
812.45:366:01
912.45:366:01
1012.45:366:02
1112.45:356:02
1212.45:356:02
1312.55:356:02
1412.55:356:02
1512.55:346:03
1612.55:346:03
1712.55:346:03
1812.55:346:03
1912.55:346:03
2012.55:336:04
2112.55:336:04
2212.55:336:04
2312.55:336:04
2412.55:336:05
2512.55:336:05
2612.55:336:05
2712.55:336:05
2812.55:336:06
2912.65:336:06
3012.65:336:06
3112.65:336:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.66 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.45 kWh/m² in March across the year — May's 5.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Cần Giờ

In seasonPeak

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

Cần Giờ sits in the Pacific typhoon belt; the season peaks July–October.

Cần Giờ's rainy season runs May–November, 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 Cần Giờ?

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

2.6
Sightseeing
8th-best month of the year
4.2
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Cần Giờ.

What to pack for Cần Giờ in May

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

In May, Cần Giờ sees daytime highs around 32°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Cần Giờ in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in May at about 30°C and coldest in January near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Cần Giờ 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 Cần Giờ peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 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 highMar 23UV 13Nov 18UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Cần Giờ 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 Cần Giờ is worst in October — around 34 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (March, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateOct 1434 µg/m³Mar 1921 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb21Moderate
Mar21Moderate
Apr21Moderate
May25Moderate
Jun30Moderate
Jul29Moderate
Aug29Moderate
Sep33Moderate
Oct34Moderate
Nov31Moderate
Dec34Moderate
Location & terrain

Where is Cần Giờ?

Cần Giờ sits at 10.4°N, 107.0°E, 5 m above sea level, in Vietnam. The nearest listed city is Vũng Tàu, 16 km away.

Topography around Cần Giờ

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

Within 3 km, the terrain around Cần Giờ has only modest variations in elevation — a maximum elevation change of 15 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, large variations in elevation — a maximum elevation change of 895 m.

The land around Cần Giờ is covered by water (59%) within 3 km, water (67%) and mangroves (25%) within 16 km, and water (37%) and trees (33%) within 80 km.

3 km
15 m
16 km
244 m
80 km
895 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
May weather nearby: Vũng Tàu 16 km · Ấp Phước Tĩnh 25 km · Thành Phố Bà Rịa 25 km · Xóm Mỹ Xuân 26 km · Phú Mỹ 28 km · Long Diền 30 km · Xã Long Hải 31 km · Gò Công 32 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 Cần Giờ (10.4111°, 106.9547°, elevation 5 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).