Giá Rai weather in May

In May, Giá Rai sees average daytime highs of 32°C and overnight lows near 27°C, with 223 mm of rain across 26.9 wet days and about 12.4 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 8% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Giá Rai's 7th-clearest and 11th-windiest month. For the whole year in context, see Giá Rai's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
223 mm
26.9 wet days
Daylight
12 h 24 min
5:42 AM – 6:07 PM
Cloud cover
80%
7th clearest
Wind
10 km/h
11th windiest
Solar energy
5.17 kWh/m²
Travel score
2.5
out of 10

Giá Rai is ward in Giá Rai town, Bạc Liêu province, Vietnam.

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 Giá Rai 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 33°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
183226
193226
203226
213226
223226
233226
243226
253226
263126
273126
283126
293126
303126
313126

How May really feels in Giá Rai

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.

Giá Rai 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
Jan29° / 24°254.411.56.0
Feb30° / 24°12211.76.0
Mar31° / 25°426.411.94.9
Apr32° / 26°8714.612.23.6
May32° / 27°22326.912.42.5
Jun31° / 26°2602812.52.5
Jul30° / 26°26629.612.52.6
Aug30° / 26°25029.512.32.6
Sep30° / 25°29028.612.12.6
Oct30° / 25°33028.711.82.8
Nov30° / 25°18120.511.63.8
Dec29° / 24°9311.411.55.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% 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 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23664
33466
43367
53169
62971
72872
82773
92575
102377
112179
122080
131981
141882
151684
161585
171585
181486
191387
201387
211288
221288
231189
241189
251189
261189
271189
281090
291090
301090
311090

Chance of precipitation in May

Any precipitation

Giá Rai gets around 223 mm of rain over 26.9 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 86% and peaks near 96% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
169
270
371
473
574
676
777
878
980
1081
1183
1284
1385
1487
1588
1689
1790
1891
1992
2093
2193
2294
2394
2495
2595
2695
2796
2896
2996
3096
3196

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 (%)
1892
2793
3694
4694
5595
6595
7496
8496
9397
10397
11397
12298
13298
14298
15298
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 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 5:46 AM to 5:41 AM, and sunset from 6:05 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:466:05
212.35:456:05
312.35:456:05
412.35:456:05
512.45:446:05
612.45:446:06
712.45:446:06
812.45:446:06
912.45:436:06
1012.45:436:06
1112.45:436:06
1212.45:436:06
1312.45:426:07
1412.45:426:07
1512.45:426:07
1612.45:426:07
1712.45:426:07
1812.45:416:07
1912.45:416:08
2012.45:416:08
2112.45:416:08
2212.55:416:08
2312.55:416:08
2412.55:416:09
2512.55:416:09
2612.55:416:09
2712.55:416:09
2812.55:416:10
2912.55:416:10
3012.55:416:10
3112.55:416:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 6.08 kWh/m² in March across the year — May's 5.17 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Giá Rai

In seasonPeak

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

Giá Rai sits in the Pacific typhoon belt; the season peaks July–October.

Giá Rai'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 Giá Rai?

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

2.5
Sightseeing
11th-best month of the year
3.9
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Giá Rai.

What to pack for Giá Rai in May

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

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

light clothesrain gearsun protection

Sea temperature near Giá Rai 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 at the nearest coast (about 22 km away) 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
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Giá Rai 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 Giá Rai peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 22UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Extreme
Dec10Very high

Air quality in Giá Rai 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 Giá Rai is worst in December — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (May, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1524 µg/m³May 1115 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb16Moderate
Mar15Moderate
Apr15Moderate
May15Moderate
Jun17Moderate
Jul19Moderate
Aug17Moderate
Sep19Moderate
Oct22Moderate
Nov21Moderate
Dec25Moderate
Location & terrain

Where is Giá Rai?

Giá Rai sits at 9.2°N, 105.5°E, 4 m above sea level, in Vietnam. The nearest listed city is Ấp Hô Phòng, 4.0 km away.

Topography around Giá Rai

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

Within 3 km, the terrain around Giá Rai has only modest variations in elevation — a maximum elevation change of 6 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 12 m; within 80 km, only modest variations in elevation — a maximum elevation change of 23 m.

The land around Giá Rai is covered by cropland (46%) and water (22%) within 3 km, water (41%) and cropland (39%) within 16 km, and water (46%) and cropland (35%) within 80 km.

3 km
6 m
16 km
12 m
80 km
23 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Ấp Hô Phòng 4.0 km · Phong Thạnh 16 km · An Trạch 20 km · Gành Hào 23 km · Bạc Liêu 30 km · Cà Mau 34 km · Phú Lộc 38 km · Ngã Năm 40 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 Giá Rai (9.2344°, 105.4583°, elevation 4 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).