Dien Bien Phu weather in June

In June, Dien Bien Phu sees average daytime highs of 28°C and overnight lows near 22°C, with 323 mm of rain across 27.3 wet days and about 13.3 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 2% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 13 h 12 min at the start of June to 13 h 18 min by month's end. Set against the rest of the year, June is Dien Bien Phu's 11th-clearest and 5th-windiest month. For the whole year in context, see Dien Bien Phu's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
22°
12th coldest
Rainfall
323 mm
27.3 wet days
Daylight
13 h 18 min
5:29 AM – 6:47 PM
Cloud cover
92%
11th clearest
Wind
5 km/h
5th windiest
Solar energy
4.33 kWh/m²
Travel score
3.2
out of 10

Dien Bien Phu is city in Điện Biên, Vietnam.

Density
1,317/km²
people per km²
Founded
1992

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical June day in Dien Bien Phu reaches about 28°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, June runs on par with May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822

Dien Bien Phu 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
Jan22° / 11°35510.87.5
Feb24° / 12°254.811.37.9
Mar27° / 16°558.611.86.9
Apr29° / 19°11515.412.55.1
May29° / 21°19522.2133.8
Jun28° / 22°32327.313.33.2
Jul28° / 22°40328.913.23.4
Aug28° / 22°36828.312.73.4
Sep28° / 21°19921.512.14.4
Oct26° / 19°7211.511.56.3
Nov24° / 15°335.5117.7
Dec22° / 12°294.510.77.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 3% of June, with mostly cloudy or overcast conditions the remaining 95%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2793
3793
4694
5694
6793
7793
8694
9595
10595
11595
12595
13595
14595
15496
16496
17595
18595
19595
20496
21496
22496
23496
24595
25595
26595
27595
28595
29595
30595

Chance of precipitation in June

Any precipitation

Dien Bien Phu gets around 323 mm of rain over 27.3 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 92% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
288
389
489
590
690
790
890
990
1090
1190
1290
1390
1490
1591
1691
1791
1891
1991
2091
2192
2292
2392
2492
2592
2692
2792
2892
2992
3092

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
112574
212376
312277
412178
512079
611980
711881
811782
911782
1001684
1101585
1201486
1301486
1401387
1501288
1601189
1701090
1801090
190991
200892
210892
220793
230793
240793
250694
260694
270694
280793
290793
300793

Wind in June

Winds average 5 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 12 min at the start of June to 13 h 18 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 5:29 AM to 5:32 AM, and sunset from 6:42 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:296:42
213.25:296:42
313.25:296:42
413.25:296:43
513.25:296:43
613.25:296:44
713.35:296:44
813.35:296:44
913.35:296:45
1013.35:296:45
1113.35:296:45
1213.35:296:46
1313.35:296:46
1413.35:296:46
1513.35:296:47
1613.35:296:47
1713.35:296:47
1813.35:306:48
1913.35:306:48
2013.35:306:48
2113.35:306:48
2213.35:306:49
2313.35:316:49
2413.35:316:49
2513.35:316:49
2613.35:316:49
2713.35:316:49
2813.35:326:50
2913.35:326:50
3013.35:326:50

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.33 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 5.44 kWh/m² in April across the year — June's 4.33 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in June

Hazard calendar for Dien Bien Phu

In seasonPeak

In June, Dien Bien Phu sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Dien Bien Phu'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 June a good time to visit Dien Bien Phu?

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

3.2
Sightseeing
12th-best month of the year
3.9
Beach & pool
10th-best month of the year

June is a weaker month for outdoor sightseeing in Dien Bien Phu.

What to pack for Dien Bien Phu in June

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

In June, Dien Bien Phu sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. About 27 days see rain.

light clothesrain gear

UV index in Dien Bien Phu in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dien Bien Phu peaks around August 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 highExtremeVery highHighAug 12UV 14Dec 19UV 6
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar11Extreme
Apr9Very high
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep10Very high
Oct9Very high
Nov8Very high
Dec6High

Air quality in Dien Bien Phu 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 Dien Bien Phu is worst in April — around 303 µg/m³ PM2.5 (very unhealthy), about 32.6× the cleanest month (August, 9 µg/m³).

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

0306090120150180210240270300JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyVery unhealthyUnhealthyGoodModerateApr 15276 µg/m³Aug 109 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb37Poor
Mar107Unhealthy
Apr303Very unhealthy
May53Poor
Jun11Good
Jul10Good
Aug9Good
Sep11Good
Oct15Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Dien Bien Phu?

Dien Bien Phu sits at 21.4°N, 103.0°E, 485 m above sea level, in Vietnam. The nearest listed city is Mường Lay, 69 km away.

Sơn LaNong KhiawÍt OngLai ChâuMuang XaySapa

Topography around Dien Bien Phu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dien Bien Phu.

Within 3 km, the terrain around Dien Bien Phu has significant variations in elevation — a maximum elevation change of 255 m around an average of 505 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,307 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,010 m.

The land around Dien Bien Phu is covered by trees (36%), cropland (30%) and artificial surfaces (24%) within 3 km, trees (62%) and grassland (23%) within 16 km, and trees (79%) within 80 km.

3 km
255 m
16 km
1,307 m
80 km
2,010 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Mường Lay 69 km · Thị Trấn Thuận Châu 69 km · Sơn La 93 km · Nong Khiaw 100 km · Ít Ong 105 km · Lai Châu 121 km · Muang Xay 133 km · Sapa 136 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 Dien Bien Phu (21.386°, 103.023°, elevation 485 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. 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).