Sapa weather in July

In July, Sapa sees average daytime highs of 27°C and overnight lows near 21°C, with 396 mm of rain across 29.7 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 2% of the time in July, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of July to 13 h 06 min by month's end. Set against the rest of the year, July is Sapa's 11th-clearest and 6th-windiest month. For the whole year in context, see Sapa's year-round climate.

Daytime high
27°
4th warmest
Overnight low
21°
12th coldest
Rainfall
396 mm
29.7 wet days
Daylight
13 h 12 min
5:33 AM – 6:48 PM
Cloud cover
90%
11th clearest
Wind
4 km/h
6th windiest
Solar energy
4.06 kWh/m²
Travel score
3.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Sapa reaches about 27°C in the afternoon and slips back to 21°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 29°C. Set against its neighbours, July runs on par with June and on par with August.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312721

Sapa weather by month

How July compares with the rest of the year at a glance. July is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 10°8212.410.85.3
Feb19° / 11°731311.25.6
Mar23° / 14°13216.911.85.8
Apr25° / 17°17721.712.55.0
May27° / 20°23625.813.14.1
Jun27° / 21°34428.913.33.4
Jul27° / 21°39629.713.23.4
Aug27° / 21°38528.712.83.6
Sep26° / 20°20222.412.14.5
Oct24° / 18°10817.411.55.7
Nov22° / 14°6110.310.96.4
Dec18° / 11°631010.75.9

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

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

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3892
4892
5892
6892
7892
8892
9892
10892
11892
12892
13892
14892
15892
16892
17892
18892
19991
201090
211090
221189
231189
241189
251189
261189
271288
281288
291288
301387
311288

Chance of precipitation in July

Any precipitation

Sapa gets around 396 mm of rain over 29.7 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 96% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
297
397
497
597
697
796
896
996
1096
1196
1296
1396
1496
1596
1696
1796
1896
1996
2096
2196
2295
2395
2495
2595
2695
2795
2895
2995
3095
3195

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
15545
25545
35644
45644
55644
65743
75743
85842
95941
105941
116040
126139
136238
146337
156436
166535
176535
186634
196733
206733
216733
226832
236832
246832
256832
266832
276832
286733
296733
306634
316535

Wind in July

Winds average 4 km/h in July.

Across July, 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.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
283calm
293calm
303calm
313calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 24 min at the start of July to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:27 AM to 5:39 AM, and sunset from 6:49 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:276:49
213.35:286:49
313.35:286:49
413.35:286:49
513.35:296:49
613.35:296:49
713.35:296:49
813.35:306:49
913.35:306:49
1013.35:316:48
1113.35:316:48
1213.35:316:48
1313.35:326:48
1413.35:326:48
1513.35:326:48
1613.25:336:48
1713.25:336:47
1813.25:346:47
1913.25:346:47
2013.25:356:47
2113.25:356:46
2213.25:356:46
2313.25:366:46
2413.25:366:45
2513.15:376:45
2613.15:376:45
2713.15:376:44
2813.15:386:44
2913.15:386:43
3013.15:396:43
3113.15:396:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.06 kWh/m².

For context, solar energy here swings from a low near 2.85 kWh/m² to a high of 5.08 kWh/m² in April across the year — July's 4.06 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Bright
134.0Bright
144.0Bright
154.0Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.0Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in July

Hazard calendar for Sapa

In seasonPeak

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

Sapa'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 July a good time to visit Sapa?

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

3.4
Sightseeing
11th-best month of the year
3.5
Beach & pool
9th-best month of the year

July is a weaker month for outdoor sightseeing in Sapa.

What to pack for Sapa in July

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

In July, Sapa sees daytime highs around 27°C and nights near 21°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

UV index in Sapa in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sapa 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 Sapa in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sapa 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 Sapa?

Sapa sits at 22.3°N, 103.8°E, 0 m above sea level, in Vietnam. The nearest listed city is Lào Cai, 21 km away.

Ít OngThị Trấn Việt QuangThị Trấn Thuận ChâuBắc Quang

Topography around Sapa

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

Within 3 km, the terrain around Sapa has large variations in elevation — a maximum elevation change of 957 m around an average of 1,481 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,006 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,050 m.

The land around Sapa is covered by trees (56%) and grassland (28%) within 3 km, trees (86%) within 16 km, and trees (84%) within 80 km.

3 km
957 m
16 km
3,006 m
80 km
3,050 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Lào Cai 21 km · Thị Trấn Phố Lu 35 km · Lai Châu 40 km · Mường Lay 82 km · Ít Ong 93 km · Thị Trấn Việt Quang 99 km · Thị Trấn Thuận Châu 102 km · Bắc Quang 106 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 Sapa (22.3402°, 103.8441°, elevation 0 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).