Long Mỹ weather in June

In June, Long Mỹ sees average daytime highs of 31°C and overnight lows near 25°C, with 259 mm of rain across 27.6 wet days and about 12.6 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 3% of the time in June, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of June to 12 h 36 min by month's end. Set against the rest of the year, June is Long Mỹ's 9th-clearest and 7th-windiest month. For the whole year in context, see Long Mỹ's year-round climate.

Daytime high
31°
4th warmest
Overnight low
25°
10th coldest
Rainfall
259 mm
27.6 wet days
Daylight
12 h 36 min
5:41 AM – 6:15 PM
Cloud cover
88%
9th clearest
Wind
9 km/h
7th windiest
Solar energy
4.49 kWh/m²
Travel score
2.4
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical June day in Long Mỹ reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, June runs about 1°C cooler than May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13226
23226
33226
43225
53225
63225
73225
83225
93225
103225
113225
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125

How June really feels in Long Mỹ

Once humidity and wind are folded in, June averages 30 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
30
18 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Long Mỹ weather by month

How June compares with the rest of the year at a glance. June 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
Jan30° / 23°274.811.55.5
Feb31° / 23°132.711.75.1
Mar33° / 25°446.611.93.8
Apr34° / 26°9713.612.22.8
May33° / 26°23126.412.42.2
Jun31° / 25°25927.612.62.4
Jul31° / 25°26629.312.52.5
Aug31° / 25°25929.212.32.5
Sep31° / 25°29628.712.12.4
Oct31° / 24°3232811.82.6
Nov31° / 24°1651911.63.5
Dec30° / 23°8110.411.44.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 6% of June, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2892
3892
4892
5892
6892
7892
8991
9991
10991
11991
12991
13991
141090
15991
16991
17991
18991
19892
20892
21892
22892
23892
24892
25793
26793
27793
28793
29793
30892

Chance of precipitation in June

Any precipitation

Long Mỹ gets around 259 mm of rain over 27.6 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
194
294
394
493
593
692
792
892
991
1091
1191
1291
1391
1491
1591
1691
1791
1891
1991
2091
2191
2292
2392
2492
2592
2692
2793
2893
2993
3093

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the miserable band about 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13397
14397
15397
16496
17496
18496
19595
20595
21595
22595
23595
24595
25595
26595
27595
28595
29595
30595

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 12 h 30 min at the start of June to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:40 AM to 5:44 AM, and sunset from 6:11 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:406:11
212.55:406:11
312.55:406:11
412.55:406:12
512.55:406:12
612.55:406:12
712.55:406:13
812.55:406:13
912.55:406:13
1012.65:406:13
1112.65:406:14
1212.65:406:14
1312.65:416:14
1412.65:416:14
1512.65:416:15
1612.65:416:15
1712.65:416:15
1812.65:416:15
1912.65:426:16
2012.65:426:16
2112.65:426:16
2212.65:426:16
2312.65:426:16
2412.65:436:17
2512.65:436:17
2612.65:436:17
2712.65:436:17
2812.65:446:17
2912.65:446:18
3012.65:446:18

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.49 kWh/m².

For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 5.94 kWh/m² in March across the year — June's 4.49 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in June

Hazard calendar for Long Mỹ

In seasonPeak

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

Long Mỹ sits in the Pacific typhoon belt; the season peaks July–October.

Long Mỹ's rainy season runs May–November, 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 June a good time to visit Long Mỹ?

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

2.4
Sightseeing
10th-best month of the year
3.6
Beach & pool
9th-best month of the year

June is a weaker month for outdoor sightseeing in Long Mỹ.

What to pack for Long Mỹ in June

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

In June, Long Mỹ sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Long Mỹ in June

The nearest coast averages about 30°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 62 km away) is warmest in May at about 30°C and coldest in January near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar28Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Long Mỹ in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Long Mỹ peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 13Jan 1UV 10
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Extreme
Nov10Very high
Dec10Very high

Air quality in Long Mỹ in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Long Mỹ is worst in December — around 57 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (August, 27 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorUnhealthyDec 1556 µg/m³Aug 1327 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb40Poor
Mar38Poor
Apr39Poor
May37Poor
Jun32Moderate
Jul30Moderate
Aug27Moderate
Sep35Poor
Oct49Poor
Nov53Poor
Dec57Unhealthy
Location & terrain

Where is Long Mỹ?

Long Mỹ sits at 9.7°N, 105.6°E, 2 m above sea level, in Vietnam. The nearest listed city is Ngã Năm, 13 km away.

Topography around Long Mỹ

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

Within 3 km, the terrain around Long Mỹ has only modest variations in elevation — a maximum elevation change of 11 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 18 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Long Mỹ is covered by cropland (66%) and trees (22%) within 3 km, cropland (74%) and trees (21%) within 16 km, and cropland (50%), water (25%) and trees (21%) within 80 km.

3 km
11 m
16 km
18 m
80 km
206 m
treesgrasslandcroplandartificial surfaceswatermangroves
June weather nearby: Ngã Năm 13 km · Vị Thanh 16 km · Ấp Một 18 km · Ngã Bảy 31 km · Phú Lộc 34 km · Phong Điền 37 km · Cái Răng 41 km · Thới Lai 43 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 Long Mỹ (9.6814°, 105.5723°, elevation 2 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).