Duyên Hải weather in June

In June, Duyên Hải sees average daytime highs of 30°C and overnight lows near 26°C, with 207 mm of rain across 27.1 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 6% 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 Duyên Hải's 11th-clearest and 10th-windiest month. For the whole year in context, see Duyên Hải's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
26°
10th coldest
Rainfall
207 mm
27.1 wet days
Daylight
12 h 36 min
5:38 AM – 6:11 PM
Cloud cover
84%
11th clearest
Wind
14 km/h
10th windiest
Solar energy
5.03 kWh/m²
Travel score
2.8
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical June day in Duyên Hải reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, June runs on par with May and on par with July.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How June really feels in Duyên Hải

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
heat index over the day's high
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.

Duyên Hải weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 25°232.811.57.4
Feb27° / 25°6111.77.8
Mar29° / 26°213.511.96.6
Apr30° / 27°5810.412.25.0
May31° / 27°17024.212.43.1
Jun30° / 26°20727.112.62.8
Jul30° / 26°19728.712.52.9
Aug30° / 26°19528.812.32.9
Sep29° / 26°22527.812.12.9
Oct29° / 26°27627.411.83.3
Nov29° / 26°16016.611.64.7
Dec28° / 25°869.211.46.2

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21783
31783
41783
51783
61783
71684
81684
91585
101585
111585
121486
131486
141486
151486
161387
171387
181387
191288
201288
211288
221288
231189
241189
251189
261189
271288
281288
291288
301288

Chance of precipitation in June

Any precipitation

Duyên Hải gets around 207 mm of rain over 27.1 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 91% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
190
290
390
490
589
689
789
889
989
1089
1189
1289
1389
1489
1589
1689
1790
1890
1990
2091
2191
2291
2392
2492
2593
2693
2793
2893
2994
3094

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 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Wind in June

Winds average 14 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 5:36 AM to 5:40 AM, and sunset from 6:07 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:366:07
212.55:366:07
312.55:366:08
412.55:366:08
512.55:366:08
612.55:366:08
712.55:366:09
812.55:366:09
912.55:376:09
1012.55:376:10
1112.65:376:10
1212.65:376:10
1312.65:376:10
1412.65:376:11
1512.65:376:11
1612.65:386:11
1712.65:386:11
1812.65:386:12
1912.65:386:12
2012.65:386:12
2112.65:386:12
2212.65:396:12
2312.65:396:13
2412.65:396:13
2512.65:396:13
2612.65:406:13
2712.65:406:13
2812.65:406:14
2912.65:406:14
3012.65:406:14

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.65 kWh/m² to a high of 6.44 kWh/m² in April across the year — June's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in June

Hazard calendar for Duyên Hải

In seasonPeak

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

Duyên Hải sits in the Pacific typhoon belt; the season peaks July–October.

Duyên Hải'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 Duyên Hải?

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

2.8
Sightseeing
12th-best month of the year
3.9
Beach & pool
9th-best month of the year

June is a weaker month for outdoor sightseeing in Duyên Hải.

What to pack for Duyên Hải in June

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

In June, Duyên Hải sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Duyên Hải 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 15 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
Mar27Warm
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Duyên Hải in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Duyên Hải peaks around March 24 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 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 24UV 13Dec 10UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct11Extreme
Nov10Very high
Dec10Very high

Air quality in Duyên Hải 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 Duyên Hải is worst in December — around 34 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (March, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1333 µg/m³Mar 1719 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb20Moderate
Mar19Moderate
Apr20Moderate
May22Moderate
Jun24Moderate
Jul25Moderate
Aug23Moderate
Sep28Moderate
Oct33Moderate
Nov30Moderate
Dec34Moderate
Location & terrain

Where is Duyên Hải?

Duyên Hải sits at 9.6°N, 106.5°E, 2 m above sea level, in Vietnam. The nearest listed city is Trà Vinh, 38 km away.

Topography around Duyên Hải

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

Within 3 km, the terrain around Duyên Hải has only modest variations in elevation — a maximum elevation change of 9 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 21 m; within 80 km, only modest variations in elevation — a maximum elevation change of 24 m.

The land around Duyên Hải is covered by water (40%) and trees (21%) within 3 km, water (52%) within 16 km, and water (53%), trees (23%) and cropland (20%) within 80 km.

3 km
9 m
16 km
21 m
80 km
24 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
June weather nearby: Trà Vinh 38 km · Sóc Trăng 57 km · Vĩnh Châu 66 km · Bến Tre 69 km · Ngã Bảy 76 km · Mỹ Tho 82 km · Gò Công 84 km · Phú Lộc 86 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 Duyên Hải (9.635°, 106.4924°, 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).