Lào Cai weather in June

In June, Lào Cai sees average daytime highs of 30°C and overnight lows near 24°C, with 242 mm of rain across 22 wet days and about 13.4 hours of daylight. It is the 1st-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 3% of the time in June, and the air most often feels oppressive.

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 Lào Cai's 12th-clearest and 9th-windiest month. For the whole year in context, see Lào Cai's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
12th coldest
Rainfall
242 mm
22 wet days
Daylight
13 h 24 min
5:23 AM – 6:45 PM
Cloud cover
87%
12th clearest
Wind
3 km/h
9th windiest
Solar energy
4.45 kWh/m²
Travel score
3.3
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 Lào Cai reaches about 30°C in the afternoon and slips back to 24°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 33°C. Set against its neighbours, June runs about 1°C warmer than May and on par with July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024

How June really feels in Lào Cai

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.

Lào Cai weather by month

How June compares with the rest of the year at a glance. June is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 11°9618.110.84.7
Feb20° / 12°871711.25.0
Mar24° / 15°1261911.85.5
Apr27° / 19°12917.612.55.2
May29° / 22°20019.713.14.1
Jun30° / 24°2422213.43.3
Jul30° / 24°26123.213.23.4
Aug30° / 23°26822.412.83.6
Sep28° / 22°16518.212.14.6
Oct26° / 19°11816.611.55.7
Nov23° / 15°8813.810.96.1
Dec19° / 12°9214.110.65.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of June, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21585
31486
41387
51387
61288
71288
81288
91189
101189
111189
121090
131090
141090
15991
16892
17892
18892
19892
20892
21892
22892
23892
24892
25892
26892
27892
28892
29991
301090

Chance of precipitation in June

Any precipitation

Lào Cai gets around 242 mm of rain over 22 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 74% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
171
271
371
472
572
672
773
873
974
1074
1174
1274
1374
1474
1575
1675
1775
1874
1974
2074
2174
2274
2374
2474
2574
2674
2774
2874
2974
3074

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1216820
2215830
3213850
4213850
5112870
6111871
7110881
8110881
919891
1019891
1119891
1218901
1318901
1418901
1517911
1617911
1716912
1816912
1915922
2015922
2104951
2204951
2303961
2403961
2502971
2602971
2702971
2802962
2901972
3001972

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 3 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
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
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 5:23 AM to 5:26 AM, and sunset from 6:40 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:236:40
213.35:236:40
313.35:236:41
413.35:236:41
513.35:236:42
613.35:236:42
713.35:236:42
813.35:236:43
913.35:236:43
1013.35:236:43
1113.35:236:44
1213.45:236:44
1313.45:236:44
1413.45:236:45
1513.45:236:45
1613.45:236:45
1713.45:236:46
1813.45:246:46
1913.45:246:46
2013.45:246:47
2113.45:246:47
2213.45:246:47
2313.45:246:47
2413.45:256:47
2513.45:256:48
2613.45:256:48
2713.45:256:48
2813.45:266:48
2913.45:266:48
3013.45:266:48

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.45 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 4.91 kWh/m² in April across the year — June's 4.45 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
Planning a trip in June

Hazard calendar for Lào Cai

In seasonPeak

In June, Lào Cai sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Lào Cai's rainy season runs March–September, when most of the year's rain falls.

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

Is June a good time to visit Lào Cai?

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

3.3
Sightseeing
12th-best month of the year
4.6
Beach & pool
6th-best month of the year

June is a weaker month for outdoor sightseeing in Lào Cai.

What to pack for Lào Cai in June

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

In June, Lào Cai sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 22 days see rain.

light clothesrain gear

UV index in Lào Cai 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 Lào Cai peaks around June 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 21UV 13Dec 18UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar11Extreme
Apr8Very high
May10Very high
Jun14Extreme
Jul13Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov7High
Dec5High

Air quality in Lào Cai 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 Lào Cai is worst in March — around 49 µg/m³ PM2.5 (poor), about 2.8× the cleanest month (July, 17 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 2349 µg/m³Jul 1817 µg/m³
PM2.5 (µg/m³)Level
Jan36Poor
Feb40Poor
Mar49Poor
Apr48Poor
May30Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep23Moderate
Oct28Moderate
Nov33Moderate
Dec36Poor
Location & terrain

Where is Lào Cai?

Lào Cai sits at 22.5°N, 104.0°E, 86 m above sea level, in Vietnam. The nearest listed city is Sapa, 21 km away.

Bắc QuangMường LayÍt OngHà Giang

Topography around Lào Cai

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

Within 3 km, the terrain around Lào Cai has significant variations in elevation — a maximum elevation change of 298 m around an average of 141 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,148 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,050 m.

The land around Lào Cai is covered by trees (65%) and artificial surfaces (26%) within 3 km, trees (90%) within 16 km, and trees (85%) within 80 km.

3 km
298 m
16 km
2,148 m
80 km
3,050 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Sapa 21 km · Thị Trấn Phố Lu 29 km · Lai Châu 54 km · Thị Trấn Việt Quang 86 km · Bắc Quang 92 km · Mường Lay 102 km · Ít Ong 108 km · Hà Giang 111 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 Lào Cai (22.4856°, 103.9707°, elevation 86 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).