Hồng Lĩnh weather in May

In May, Hồng Lĩnh sees average daytime highs of 33°C and overnight lows near 26°C, with 131 mm of rain across 13 wet days and about 12.9 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 34°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 Hồng Lĩnh's 5th-clearest and 11th-windiest month. For the whole year in context, see Hồng Lĩnh's year-round climate.

Daytime high
33°
4th warmest
Overnight low
26°
9th coldest
Rainfall
131 mm
13 wet days
Daylight
12 h 54 min
5:27 AM – 6:20 PM
Cloud cover
72%
5th clearest
Wind
7 km/h
11th windiest
Solar energy
5.61 kWh/m²
Travel score
3.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 34°C by the end.

A typical May day in Hồng Lĩnh reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 37°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13225
23225
33225
43225
53225
63225
73225
83225
93225
103325
113325
123325
133325
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243426
253426
263426
273426
283427
293427
303427
313427

How May really feels in Hồng Lĩnh

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
28 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.

Hồng Lĩnh weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 16°437.8116.4
Feb23° / 17°306.711.46.9
Mar26° / 20°507.311.96.9
Apr30° / 23°638.312.45.1
May33° / 26°1311312.93.2
Jun35° / 28°10010.513.12.3
Jul35° / 28°14412.7132.4
Aug33° / 27°20917.912.62.7
Sep31° / 26°34219.412.13.3
Oct29° / 23°41219.711.64.5
Nov26° / 20°1521411.15.9
Dec22° / 17°699.610.96.4

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 14% of May, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
33961
43961
53961
63961
73862
83862
93862
103763
113565
123565
133466
143268
153169
163169
172872
182872
192674
202674
212476
222476
232476
242278
252278
262278
272278
282278
292179
302080
311981

Chance of precipitation in May

Any precipitation

Hồng Lĩnh gets around 131 mm of rain over 13 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 41% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
134
234
335
436
537
638
739
840
941
1042
1142
1243
1344
1444
1544
1645
1745
1845
1945
2044
2144
2244
2343
2443
2543
2642
2742
2842
2941
3041
3140

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 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1261973
2261874
3161875
4161776
5161677
6151678
7151579
8151579
9151480
10151480
11151480
12151381
13151381
14141382
15141283
16141283
17141283
18141283
19141283
20131185
21131185
22031186
23031186
24031087
25021088
2602989
2702989
2802989
2902890
3001891
3101891

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:24 AM, and sunset from 6:14 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:346:14
212.75:346:15
312.75:336:15
412.75:336:15
512.75:326:16
612.75:326:16
712.85:316:16
812.85:316:17
912.85:306:17
1012.85:306:17
1112.85:296:18
1212.85:296:18
1312.85:286:18
1412.85:286:19
1512.95:286:19
1612.95:276:20
1712.95:276:20
1812.95:276:20
1912.95:266:21
2012.95:266:21
2112.95:266:21
2212.95:266:22
2312.95:256:22
2413.05:256:23
2513.05:256:23
2613.05:256:23
2713.05:246:24
2813.05:246:24
2913.05:246:24
3013.05:246:25
3113.05:246:25

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 2.42 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
25.5Bright
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 Hồng Lĩnh

In seasonPeak

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

Hồng Lĩnh sits in the Pacific typhoon belt; the season peaks July–October.

Hồng Lĩnh's monsoon runs August–October, 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 Hồng Lĩnh?

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

3.2
Sightseeing
9th-best month of the year
5.7
Beach & pool
3rd-best month of the year

May is a weaker month for outdoor sightseeing in Hồng Lĩnh.

What to pack for Hồng Lĩnh in May

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

In May, Hồng Lĩnh sees daytime highs around 33°C and nights near 26°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Hồng Lĩnh 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 21 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
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Warm
May28Warm
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Hồng Lĩnh 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 Hồng Lĩnh 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 highVery highExtremeVery highHighAug 11UV 13Dec 15UV 6
UV index (midday)Level
Jan8Very high
Feb9Very high
Mar10Extreme
Apr9Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec6High

Air quality in Hồng Lĩnh 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 Hồng Lĩnh is worst in April — around 62 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 18 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorApr 1161 µg/m³Jul 1618 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb52Poor
Mar57Unhealthy
Apr62Unhealthy
May35Poor
Jun20Moderate
Jul18Moderate
Aug21Moderate
Sep30Moderate
Oct41Poor
Nov47Poor
Dec52Poor
Location & terrain

Where is Hồng Lĩnh?

Hồng Lĩnh sits at 18.5°N, 105.7°E, 11 m above sea level, in Vietnam. The nearest listed city is Nghèn, 12 km away.

Topography around Hồng Lĩnh

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

Within 3 km, the terrain around Hồng Lĩnh has significant variations in elevation — a maximum elevation change of 360 m around an average of 36 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 670 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,269 m.

The land around Hồng Lĩnh is covered by trees (35%) and cropland (35%) within 3 km, cropland (43%) and trees (35%) within 16 km, and trees (57%) and water (27%) within 80 km.

3 km
360 m
16 km
670 m
80 km
2,269 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Nghèn 12 km · Bến Thủy 14 km · Nghi Xuân 15 km · Yên Vinh 16 km · Vinh 16 km · Hà Tĩnh 29 km · Diễn Thành 51 km · Kim Liên 57 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 Hồng Lĩnh (18.5286°, 105.7064°, elevation 11 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).