Mỹ Hào weather in May

In May, Mỹ Hào sees average daytime highs of 32°C and overnight lows near 25°C, with 232 mm of rain across 18.2 wet days and about 13 hours of daylight. It is the 4th-warmest and 5th-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 11% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Mỹ Hào's 6th-clearest and 2nd-windiest month. For the whole year in context, see Mỹ Hào's year-round climate.

Daytime high
32°
4th warmest
Overnight low
25°
9th coldest
Rainfall
232 mm
18.2 wet days
Daylight
13 hours
5:22 AM – 6:22 PM
Cloud cover
76%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
4.82 kWh/m²
Travel score
3.3
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 Mỹ Hào reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 36°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)
13124
23124
33124
43124
53124
63125
73125
83125
93125
103125
113125
123125
133225
143225
153225
163225
173225
183225
193225
203225
213226
223226
233226
243226
253226
263226
273226
283326
293326
303326
313326

How May really feels in Mỹ Hào

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
9 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.

Mỹ Hào weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 15°377.510.96.3
Feb22° / 16°256.811.36.6
Mar24° / 19°501011.96.5
Apr28° / 22°8710.912.55.3
May32° / 25°23218.2133.3
Jun33° / 27°24219.113.22.4
Jul33° / 27°28021.413.12.3
Aug32° / 26°35024.512.72.4
Sep32° / 25°24819.712.13.2
Oct29° / 23°12512.511.55.1
Nov26° / 19°597.2117.0
Dec22° / 16°31610.87.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% 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 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
43070
53169
63169
73169
83169
93070
103169
113070
123070
132971
142872
152872
162773
172773
182575
192575
202476
212377
222278
232179
242080
251981
261981
271981
281882
291882
301783
311585

Chance of precipitation in May

Any precipitation

Mỹ Hào gets around 232 mm of rain over 18.2 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 58% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
144
245
347
448
549
650
751
852
953
1054
1155
1256
1357
1458
1559
1659
1760
1861
1961
2062
2162
2263
2364
2464
2565
2666
2767
2867
2967
3068
3168

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
115153347
214153248
304143151
404143052
504132954
603132856
703122758
803122659
903112561
1003112561
1103112462
1203102463
1303102364
1402102365
1502102365
160292366
170292267
180292267
190292267
200282169
210282169
220182071
230172072
240171973
250171973
260161875
270161776
280151678
290151579
300141481
310041383

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 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
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 48 min at the start of May to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:30 AM to 5:18 AM, and sunset from 6:16 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:306:16
212.85:306:16
312.85:296:16
412.85:286:17
512.85:286:17
612.85:276:18
712.95:276:18
812.95:266:18
912.95:256:19
1012.95:256:19
1112.95:246:20
1212.95:246:20
1312.95:236:20
1413.05:236:21
1513.05:236:21
1613.05:226:22
1713.05:226:22
1813.05:216:23
1913.05:216:23
2013.05:216:23
2113.15:206:24
2213.15:206:24
2313.15:206:25
2413.15:196:25
2513.15:196:26
2613.15:196:26
2713.15:196:26
2813.15:196:27
2913.15:186:27
3013.25:186:28
3113.25:186:28

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.82 kWh/m².

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 4.92 kWh/m² in June across the year — May's 4.82 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Mỹ Hào

In seasonPeak

In May, Mỹ Hào sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Mỹ Hào's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Mỹ Hào?

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

3.3
Sightseeing
8th-best month of the year
5.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Mỹ Hào.

What to pack for Mỹ Hào in May

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

In May, Mỹ Hào sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Mỹ Hào in May

The nearest coast averages about 27°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 65 km away) is warmest in August at about 30°C and coldest in February near 20°C.

It's comfortable for a long swim from Feb 24 to Feb 2 — about 11.3 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Cool
Mar21Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Mỹ Hào in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mỹ Hào peaks around June 22 at about 11 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highHighVery highExtremeVery highHighJun 22UV 11Dec 15UV 6
UV index (midday)Level
Jan6High
Feb7Very high
Mar9Very high
Apr6High
May8Very high
Jun11Extreme
Jul11Extreme
Aug8Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Mỹ Hào 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 Mỹ Hào is worst in December — around 171 µg/m³ PM2.5 (very unhealthy), about 3.4× the cleanest month (July, 50 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyVery unhealthyDec 19170 µg/m³Jul 1452 µg/m³
PM2.5 (µg/m³)Level
Jan161Very unhealthy
Feb136Unhealthy
Mar122Unhealthy
Apr106Unhealthy
May76Unhealthy
Jun59Unhealthy
Jul50Poor
Aug68Unhealthy
Sep96Unhealthy
Oct125Unhealthy
Nov152Very unhealthy
Dec171Very unhealthy
Location & terrain

Where is Mỹ Hào?

Mỹ Hào sits at 20.9°N, 106.1°E, 3 m above sea level, in Vietnam. The nearest listed city is Thuận Thanh, 14 km away.

Topography around Mỹ Hào

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

Within 3 km, the terrain around Mỹ Hào has only modest variations in elevation — a maximum elevation change of 11 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,384 m.

The land around Mỹ Hào is covered by cropland (40%) and artificial surfaces (33%) within 3 km, cropland (54%) and trees (21%) within 16 km, and trees (41%) and cropland (39%) within 80 km.

3 km
11 m
16 km
19 m
80 km
1,384 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Thuận Thanh 14 km · Ecopark 17 km · Vinhomes Ocean Park 17 km · Gia Lâm 19 km · Trâu Quỳ 19 km · Lương Bằng 20 km · Vĩnh Tuy 23 km · Long Bien 23 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 Mỹ Hào (20.9167°, 106.0833°, elevation 3 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. 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).