Kỳ Anh weather in May

In May, Kỳ Anh sees average daytime highs of 32°C and overnight lows near 26°C, with 126 mm of rain across 15 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 16% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Kỳ Anh's 5th-clearest and 7th-windiest month. For the whole year in context, see Kỳ Anh's year-round climate.

Daytime high
32°
4th warmest
Overnight low
26°
9th coldest
Rainfall
126 mm
15 wet days
Daylight
12 h 48 min
5:26 AM – 6:16 PM
Cloud cover
72%
5th clearest
Wind
10 km/h
7th windiest
Solar energy
5.73 kWh/m²
Travel score
3.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical May day in Kỳ Anh reaches about 32°C in the afternoon and slips back to 26°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°C. Set against its neighbours, May runs about 3°C warmer than April and about 1°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73126
83126
93126
103126
113226
123226
133226
143226
153226
163226
173226
183226
193226
203226
213226
223226
233227
243227
253227
263327
273327
283327
293327
303327
313327

How May really feels in Kỳ Anh

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
11 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.

Kỳ Anh 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°6712.3115.8
Feb22° / 18°459.711.46.4
Mar25° / 20°5610.111.96.6
Apr29° / 24°7710.612.45.2
May32° / 26°1261512.83.5
Jun33° / 27°8010.313.13.0
Jul33° / 27°13212.9133.1
Aug32° / 27°18916.912.63.2
Sep30° / 25°31221.412.13.4
Oct28° / 23°42722.911.64.3
Nov25° / 21°2461811.25.3
Dec22° / 18°12815.610.95.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% 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 (%)
14555
24456
34555
44456
54456
64357
74258
84258
94159
103961
113862
123763
133664
143466
153268
163070
172971
182773
192773
202575
212575
222476
232377
242278
252278
262278
272179
282278
292278
302179
312179

Chance of precipitation in May

Any precipitation

Kỳ Anh gets around 126 mm of rain over 15 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 48% and peaks near 53% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
245
345
446
547
648
749
850
950
1051
1151
1252
1352
1452
1553
1652
1752
1852
1951
2050
2149
2249
2348
2447
2546
2645
2744
2843
2942
3041
3141

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 67% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1163459
2063361
3063262
4063163
5053065
6052966
7052867
8042769
9142768
10142669
11142669
12142669
13142669
14142669
15142768
16142768
17132868
18132868
19132967
20132967
21133066
22123067
23023068
24023068
25023068
26023068
27013069
28013069
29013069
30013168
31013168

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 11 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
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 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 24 minutes over May. Sunrise moves from 5:33 AM to 5:22 AM, and sunset from 6:11 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:336:11
212.75:326:12
312.75:326:12
412.75:316:12
512.75:306:13
612.75:306:13
712.75:296:13
812.75:296:14
912.85:286:14
1012.85:286:14
1112.85:286:15
1212.85:276:15
1312.85:276:15
1412.85:266:16
1512.85:266:16
1612.85:266:16
1712.95:256:17
1812.95:256:17
1912.95:256:18
2012.95:246:18
2112.95:246:18
2212.95:246:19
2312.95:246:19
2412.95:236:19
2512.95:236:20
2613.05:236:20
2713.05:236:21
2813.05:236:21
2913.05:236:21
3013.05:226:22
3113.05:226:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.73 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 5.79 kWh/m² in June across the year — May's 5.73 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Kỳ Anh

In seasonPeak

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

Kỳ Anh sits in the Pacific typhoon belt; the season peaks July–October.

Kỳ Anh'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 Kỳ Anh?

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

3.5
Sightseeing
8th-best month of the year
5.6
Beach & pool
4th-best month of the year

May is a weaker month for outdoor sightseeing in Kỳ Anh.

What to pack for Kỳ Anh in May

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

In May, Kỳ Anh sees daytime highs around 32°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Kỳ Anh 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 offshore is warmest in August at about 30°C and coldest in February near 22°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
Feb22Refreshing
Mar22Refreshing
Apr25Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec24Refreshing

UV index in Kỳ Anh 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 Kỳ Anh peaks around August 11 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 highHighAug 11UV 13Dec 15UV 6
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec6High

Air quality in Kỳ Anh 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 Kỳ Anh is worst in April — around 38 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (July, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateApr 1237 µg/m³Jul 1814 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar33Moderate
Apr38Poor
May21Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep16Moderate
Oct22Moderate
Nov21Moderate
Dec25Moderate
Location & terrain

Where is Kỳ Anh?

Kỳ Anh sits at 18.1°N, 106.3°E, 21 m above sea level, in Vietnam. The nearest listed city is Ba Đồn, 37 km away.

Topography around Kỳ Anh

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

Within 3 km, the terrain around Kỳ Anh has only modest variations in elevation — a maximum elevation change of 109 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,030 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,983 m.

The land around Kỳ Anh is covered by trees (34%), cropland (28%) and artificial surfaces (22%) within 3 km, trees (56%) within 16 km, and trees (52%) and water (38%) within 80 km.

3 km
109 m
16 km
1,030 m
80 km
1,983 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ba Đồn 37 km · Hà Tĩnh 52 km · Hoàn Lão 59 km · Nghèn 70 km · Đồng Hới 74 km · Hồng Lĩnh 81 km · Quán Hàu 82 km · Nghi Xuân 88 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 Kỳ Anh (18.0624°, 106.2983°, elevation 21 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).