Lai Châu weather in June

In June, Lai Châu sees average daytime highs of 28°C and overnight lows near 21°C, with 325 mm of rain across 28.5 wet days and about 13.3 hours of daylight. It is the 2nd-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 muggy.

Daylight stretches from about 13 h 18 min at the start of June to 13 h 24 min by month's end. Set against the rest of the year, June is Lai Châu's 11th-clearest and 6th-windiest month. For the whole year in context, see Lai Châu's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
21°
11th coldest
Rainfall
325 mm
28.5 wet days
Daylight
13 h 24 min
5:26 AM – 6:47 PM
Cloud cover
89%
11th clearest
Wind
3 km/h
6th windiest
Solar energy
4.28 kWh/m²
Travel score
3.4
out of 10

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 Lai Châu reaches about 28°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, June runs on par with May and on par with July.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152822
162822
172822
182822
192822
202822
212822
222822
232822
242722
252722
262722
272722
282722
292722
302722

Lai Châu weather by month

How June compares with the rest of the year at a glance. June is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 10°631010.85.9
Feb20° / 11°539.411.26.4
Mar24° / 14°10613.811.86.5
Apr26° / 17°13618.712.55.4
May27° / 20°22224.413.14.3
Jun28° / 21°32528.513.33.4
Jul27° / 22°38929.513.23.4
Aug28° / 21°37128.712.83.5
Sep27° / 20°20122.212.14.5
Oct25° / 18°961511.56.0
Nov22° / 14°508.710.96.9
Dec19° / 11°497.410.76.5

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 5% of June, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21288
31090
41090
51090
61090
71090
81090
9892
10892
11892
12892
13892
14793
15694
16694
17694
18694
19694
20694
21595
22694
23694
24694
25694
26694
27694
28793
29793
30793

Chance of precipitation in June

Any precipitation

Lai Châu gets around 325 mm of rain over 28.5 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 95% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
292
392
492
593
693
793
894
994
1094
1194
1294
1395
1495
1595
1695
1795
1895
1995
2096
2196
2296
2396
2496
2596
2696
2796
2896
2996
3096

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1156826
2146827
3046729
4036730
5036532
6036334
7026335
8026137
9025939
10025741
11025543
12025345
13015247
14015049
15014851
16014653
17014554
18014356
19014257
20014158
21014059
22013960
23003862
24003763
25003763
26003664
27003664
28003664
29003763
30003763

Wind in June

Winds average 3 km/h in June.

Across June, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 18 min at the start of June to 13 h 24 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 5:26 AM to 5:29 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)
113.35:266:42
213.35:266:42
313.35:256:43
413.35:256:43
513.35:256:43
613.35:256:44
713.35:256:44
813.35:256:45
913.35:256:45
1013.35:256:45
1113.35:256:46
1213.35:256:46
1313.45:256:46
1413.45:256:47
1513.45:256:47
1613.45:266:47
1713.45:266:48
1813.45:266:48
1913.45:266:48
2013.45:266:48
2113.45:266:49
2213.45:266:49
2313.45:276:49
2413.45:276:49
2513.45:276:49
2613.45:276:50
2713.45:286:50
2813.45:286:50
2913.45:286:50
3013.45:296:50

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.28 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 4.99 kWh/m² in April across the year — June's 4.28 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.0Bright
304.0Bright
Planning a trip in June

Hazard calendar for Lai Châu

In seasonPeak

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

Lai Châu'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 Lai Châu?

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

3.4
Sightseeing
11th-best month of the year
3.6
Beach & pool
8th-best month of the year

June is a weaker month for outdoor sightseeing in Lai Châu.

What to pack for Lai Châu in June

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

In June, Lai Châu sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

UV index in Lai Châu 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 Lai Châu peaks around June 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highHighJun 19UV 14Dec 19UV 5
UV index (midday)Level
Jan7High
Feb9Very high
Mar11Extreme
Apr9Very high
May11Extreme
Jun14Extreme
Jul13Extreme
Aug12Extreme
Sep10Very high
Oct9Very high
Nov8Very high
Dec5High

Air quality in Lai Châu 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 Lai Châu is worst in April — around 70 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (July, 14 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateApr 1367 µg/m³Jul 1814 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb33Moderate
Mar54Poor
Apr70Unhealthy
May28Moderate
Jun15Moderate
Jul14Moderate
Aug15Moderate
Sep18Moderate
Oct22Moderate
Nov23Moderate
Dec25Moderate
Location & terrain

Where is Lai Châu?

Lai Châu sits at 22.4°N, 103.5°E, 919 m above sea level, in Vietnam. The nearest listed city is Sapa, 40 km away.

Thị Trấn Thuận ChâuÍt OngDien Bien PhuSơn La

Topography around Lai Châu

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

Within 3 km, the terrain around Lai Châu has significant variations in elevation — a maximum elevation change of 544 m around an average of 1,001 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,836 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,035 m.

The land around Lai Châu is covered by trees (43%) and grassland (32%) within 3 km, trees (74%) within 16 km, and trees (85%) within 80 km.

3 km
544 m
16 km
2,836 m
80 km
3,035 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Sapa 40 km · Lào Cai 54 km · Mường Lay 55 km · Thị Trấn Phố Lu 75 km · Thị Trấn Thuận Châu 109 km · Ít Ong 114 km · Dien Bien Phu 121 km · Sơn La 128 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 Lai Châu (22.3964°, 103.4582°, elevation 919 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).