Hà Tĩnh weather in May

In May, Hà Tĩnh sees average daytime highs of 31°C and overnight lows near 26°C, with 118 mm of rain across 13.6 wet days and about 12.9 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 17% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Hà Tĩnh's 5th-clearest and 12th-windiest month. For the whole year in context, see Hà Tĩnh's year-round climate.

Daytime high
31°
4th warmest
Overnight low
26°
9th coldest
Rainfall
118 mm
13.6 wet days
Daylight
12 h 54 min
5:27 AM – 6:18 PM
Cloud cover
71%
5th clearest
Wind
9 km/h
12th windiest
Solar energy
5.61 kWh/m²
Travel score
4.0
out of 10

Hà Tĩnh is province capital city in Vietnam.

Density
47/km²
people per km²
Founded
2007

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical May day in Hà Tĩnh reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93125
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243227
253227
263227
273227
283227
293227
303227
313227

How May really feels in Hà Tĩnh

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
5 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 Tĩnh weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 17°10315.1115.4
Feb22° / 18°6712.111.46.0
Mar25° / 20°6910.111.96.7
Apr28° / 23°7710.512.45.7
May31° / 26°11813.612.94.0
Jun33° / 28°71813.13.4
Jul33° / 28°1269.6133.4
Aug32° / 27°19113.812.63.5
Sep30° / 26°39119.112.13.8
Oct27° / 24°53822.511.64.6
Nov25° / 21°27218.311.15.3
Dec22° / 18°16617.410.95.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34357
44357
54357
64357
74159
84159
94060
103961
113862
123763
133565
143565
153268
163268
173070
182971
192773
202773
212674
222575
232476
242476
252377
262377
272179
282179
292179
302278
312179

Chance of precipitation in May

Any precipitation

Hà Tĩnh gets around 118 mm of rain over 13.6 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 43% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
142
242
343
443
544
644
745
845
946
1046
1146
1247
1347
1447
1547
1646
1746
1845
1945
2044
2143
2243
2342
2441
2540
2639
2738
2838
2937
3036
3135

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 72% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1283555
2283357
3183160
4173062
5172864
6172765
7172567
8162469
9162370
10162370
11162271
12162271
13162172
14162172
15152173
16152173
17152173
18152173
19152173
20142174
21042175
22042175
23042076
24032077
25031978
26031978
27021880
28021880
29021880
30021880
31011881

Wind in May

Winds average 9 km/h in May, the calmest month.

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
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 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:34 AM to 5:23 AM, and sunset from 6:13 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:346:13
212.75:336:14
312.75:336:14
412.75:326:14
512.75:326:15
612.75:316:15
712.75:316:15
812.85:306:16
912.85:306:16
1012.85:296:16
1112.85:296:17
1212.85:286:17
1312.85:286:17
1412.85:286:18
1512.85:276:18
1612.95:276:18
1712.95:266:19
1812.95:266:19
1912.95:266:20
2012.95:266:20
2112.95:256:20
2212.95:256:21
2312.95:256:21
2412.95:256:21
2513.05:246:22
2613.05:246:22
2713.05:246:23
2813.05:246:23
2913.05:246:23
3013.05:246:24
3113.05:236:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.61 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.64 kWh/m² in June across the year — May's 5.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Hà Tĩnh

In seasonPeak

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

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

Hà Tĩnh's monsoon runs September–November, 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 Hà Tĩnh?

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

4.0
Sightseeing
8th-best month of the year
6.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Hà Tĩnh for sightseeing.

What to pack for Hà Tĩnh in May

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

In May, Hà Tĩnh sees daytime highs around 31°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Hà Tĩnh in May

The nearest coast averages about 28°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 23 km away) is warmest in August at about 30°C and coldest in February near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Warm
May28Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Hà Tĩnh 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 Tĩnh peaks around July 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 20UV 13Dec 15UV 6
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec6High

Air quality in Hà Tĩnh 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 Tĩnh is worst in April — around 60 µg/m³ PM2.5 (unhealthy), about 4.2× the cleanest month (July, 14 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateApr 1159 µg/m³Jul 1715 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb35Poor
Mar54Poor
Apr60Unhealthy
May24Moderate
Jun16Moderate
Jul14Moderate
Aug16Moderate
Sep20Moderate
Oct27Moderate
Nov28Moderate
Dec32Moderate
Location & terrain

Where is Hà Tĩnh?

Hà Tĩnh sits at 18.3°N, 105.9°E, 8 m above sea level, in Vietnam. The nearest listed city is Nghèn, 18 km away.

Topography around Hà Tĩnh

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

Within 3 km, the terrain around Hà Tĩnh has only modest variations in elevation — a maximum elevation change of 17 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,260 m.

The land around Hà Tĩnh is covered by artificial surfaces (41%) and cropland (35%) within 3 km, cropland (36%) and trees (28%) within 16 km, and trees (57%) and water (30%) within 80 km.

3 km
17 m
16 km
485 m
80 km
2,260 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nghèn 18 km · Hồng Lĩnh 29 km · Nghi Xuân 39 km · Bến Thủy 40 km · Vinh 43 km · Yên Vinh 44 km · Kỳ Anh 52 km · Diễn Thành 77 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 Tĩnh (18.3428°, 105.9057°, 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).