Hà Tiên weather in May

In May, Hà Tiên sees average daytime highs of 32°C and overnight lows near 27°C, with 182 mm of rain across 26.6 wet days and about 12.5 hours of daylight. It is the 3rd-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 6% 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 Hà Tiên's 7th-clearest and 6th-windiest month. For the whole year in context, see Hà Tiên's year-round climate.

Daytime high
32°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
182 mm
26.6 wet days
Daylight
12 h 30 min
5:44 AM – 6:13 PM
Cloud cover
81%
7th clearest
Wind
10 km/h
6th windiest
Solar energy
5.27 kWh/m²
Travel score
2.5
out of 10

Hà Tiên is provincial city of Kien Giang, 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 Hà Tiên 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 about 1°C cooler than 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
203127
213127
223127
233127
243127
253127
263127
273127
283127
293127
303127
313127

How May really feels in Hà Tiên

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.

Hà Tiên weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°265.611.55.1
Feb31° / 24°214.211.74.8
Mar32° / 25°639.911.93.8
Apr33° / 27°11318.712.22.9
May32° / 27°18226.612.52.5
Jun31° / 27°19826.112.62.7
Jul30° / 26°20827.612.52.8
Aug30° / 26°1962712.32.9
Sep30° / 26°23927.112.12.8
Oct30° / 25°28427.111.82.8
Nov31° / 25°11515.111.53.9
Dec30° / 24°488.211.44.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 84%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
32971
42773
52773
62575
72575
82377
92377
102179
112080
121882
131684
141684
151486
161486
171288
181288
191189
201189
211090
221090
231090
241090
25991
26892
27892
28892
29892
30892
31991

Chance of precipitation in May

Any precipitation

Hà Tiên gets around 182 mm of rain over 26.6 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 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
177
277
378
479
579
680
781
882
983
1083
1184
1284
1385
1486
1586
1687
1788
1888
1989
2089
2189
2289
2389
2489
2590
2690
2790
2890
2990
3090
3190

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1397
2397
3397
4298
5298
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
240100
250100
260100
270100
280100
290100
300100
310100

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:48 AM to 5:43 AM, and sunset from 6:10 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:486:10
212.45:486:10
312.45:486:10
412.45:476:10
512.45:476:11
612.45:476:11
712.45:466:11
812.45:466:11
912.45:466:11
1012.45:456:11
1112.45:456:12
1212.45:456:12
1312.55:456:12
1412.55:446:12
1512.55:446:12
1612.55:446:13
1712.55:446:13
1812.55:446:13
1912.55:446:13
2012.55:436:13
2112.55:436:14
2212.55:436:14
2312.55:436:14
2412.55:436:14
2512.55:436:15
2612.55:436:15
2712.55:436:15
2812.55:436:15
2912.55:436:16
3012.65:436:16
3112.65:436:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 6.01 kWh/m² in March across the year — May's 5.27 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Hà Tiên

In seasonPeak

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

Hà Tiên sits in the Pacific typhoon belt; the season peaks July–October.

Hà Tiên's rainy season runs May–October, 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 Hà Tiên?

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

2.5
Sightseeing
12th-best month of the year
3.9
Beach & pool
10th-best month of the year

May is a weaker month for outdoor sightseeing in Hà Tiên.

What to pack for Hà Tiên in May

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

In May, Hà Tiên 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 Hà Tiên in May

The nearest coast averages about 31°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 31°C and coldest in January near 28°C.

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

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Hà Tiên in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hà Tiên peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 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 19UV 13Dec 11UV 9
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Hà Tiên 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 Hà Tiên is worst in February — around 33 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (August, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1332 µg/m³Aug 2013 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb33Moderate
Mar28Moderate
Apr23Moderate
May17Moderate
Jun14Moderate
Jul15Moderate
Aug13Moderate
Sep14Moderate
Oct18Moderate
Nov21Moderate
Dec21Moderate
Location & terrain

Where is Hà Tiên?

Hà Tiên sits at 10.4°N, 104.5°E, 8 m above sea level, in Vietnam. The nearest listed city is Kep, 22 km away.

Topography around Hà Tiên

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

Within 3 km, the terrain around Hà Tiên has only modest variations in elevation — a maximum elevation change of 163 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 163 m; within 80 km, large variations in elevation — a maximum elevation change of 1,080 m.

The land around Hà Tiên is covered by water (37%) within 3 km, water (59%) within 16 km, and water (45%) and cropland (35%) within 80 km.

3 km
163 m
16 km
163 m
80 km
1,080 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
May weather nearby: Kep 22 km · Kampot 42 km · Hàm Ninh 53 km · Tịnh Biên 55 km · Cô Tô 58 km · Phu Quoc 59 km · Kiên Hải 60 km · Ângk Tasaôm 73 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 Hà Tiên (10.3831°, 104.4875°, elevation 8 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).