Cẩm Phả weather in July

In July, Cẩm Phả sees average daytime highs of 30°C and overnight lows near 27°C, with 373 mm of rain across 23.4 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 2nd-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 13% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 18 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Cẩm Phả's 11th-clearest and 2nd-windiest month. For the whole year in context, see Cẩm Phả's year-round climate.

Daytime high
30°
1st warmest
Overnight low
27°
12th coldest
Rainfall
373 mm
23.4 wet days
Daylight
13 h 12 min
5:22 AM – 6:31 PM
Cloud cover
81%
11th clearest
Wind
15 km/h
2nd windiest
Solar energy
5 kWh/m²
Travel score
3.4
out of 10

Cẩm Phả is city in Quảng Ninh province, Vietnam.

Density
391/km²
people per km²
Founded
2012

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

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

A typical July day in Cẩm Phả reaches about 30°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, July runs on par with June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263027
273027
283027
293027
303027
313027

How July really feels in Cẩm Phả

Once humidity and wind are folded in, July averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cẩm Phả weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 15°6111.410.95.5
Feb19° / 16°4410.511.35.6
Mar21° / 19°6412.111.95.9
Apr24° / 22°6510.312.56.5
May28° / 25°20017.5135.0
Jun30° / 27°28821.413.33.5
Jul30° / 27°37323.413.13.4
Aug30° / 27°43124.512.73.4
Sep29° / 26°29619.912.14.2
Oct27° / 24°12611.911.56.4
Nov24° / 21°598.9117.2
Dec20° / 17°487.710.76.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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 80%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31981
42080
52080
62080
72179
82080
92080
102179
112179
122080
132080
141981
151981
162080
172080
182080
192080
201981
211981
221981
232080
242080
252179
262278
272278
282278
292377
302377
312476

Chance of precipitation in July

Any precipitation

Cẩm Phả gets around 373 mm of rain over 23.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 77% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
175
275
375
475
575
675
775
875
975
1075
1175
1275
1375
1475
1575
1675
1775
1876
1976
2076
2176
2276
2376
2476
2576
2676
2776
2876
2977
3077
3177

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1298
2298
3397
4397
5397
6397
7397
8397
9397
10397
11397
12397
13397
14397
15298
16298
17298
18298
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Wind in July

Winds average 15 km/h in July.

Across July, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 18 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over July. Sunrise moves from 5:16 AM to 5:28 AM, and sunset from 6:32 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:166:32
213.35:176:32
313.35:176:32
413.25:176:32
513.25:186:32
613.25:186:32
713.25:186:32
813.25:196:32
913.25:196:32
1013.25:196:32
1113.25:206:32
1213.25:206:32
1313.25:206:32
1413.25:216:32
1513.25:216:32
1613.25:226:31
1713.25:226:31
1813.15:226:31
1913.15:236:31
2013.15:236:31
2113.15:246:30
2213.15:246:30
2313.15:246:30
2413.15:256:29
2513.15:256:29
2613.15:266:29
2713.05:266:28
2813.05:266:28
2913.05:276:27
3013.05:276:27
3113.05:286:27

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 5.16 kWh/m² in May across the year — July's 5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
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
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Cẩm Phả

In seasonPeak

In July, Cẩm Phả sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Cẩm Phả sits in the Pacific typhoon belt; the season peaks July–October.

Cẩm Phả's monsoon runs May–September, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Cẩm Phả?

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
4.6
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Cẩm Phả.

What to pack for Cẩm Phả in July

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

In July, Cẩm Phả sees daytime highs around 30°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Cẩm Phả in July

The nearest coast averages about 29°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in August at about 30°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 13 to Jan 10 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov25Warm
Dec22Refreshing

UV index in Cẩm Phả 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 Cẩm Phả peaks around July 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 11UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul13Extreme
Aug8Very high
Sep9Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Cẩm Phả 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 Cẩm Phả is worst in January — around 42 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (July, 16 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 2342 µg/m³Jul 1716 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb42Poor
Mar41Poor
Apr40Poor
May26Moderate
Jun19Moderate
Jul16Moderate
Aug18Moderate
Sep21Moderate
Oct27Moderate
Nov29Moderate
Dec39Poor
Location & terrain

Where is Cẩm Phả?

Cẩm Phả sits at 21.0°N, 107.3°E, 20 m above sea level, in Vietnam. The nearest listed city is Cẩm Phả Mines, 3.0 km away.

Topography around Cẩm Phả

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

Within 3 km, the terrain around Cẩm Phả has significant variations in elevation — a maximum elevation change of 457 m around an average of 88 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,012 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,582 m.

The land around Cẩm Phả is covered by artificial surfaces (31%), trees (25%) and water (21%) within 3 km, trees (45%) and water (40%) within 16 km, and water (49%) and trees (42%) within 80 km.

3 km
457 m
16 km
1,012 m
80 km
1,582 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
July weather nearby: Cẩm Phả Mines 3.0 km · Ha Long 22 km · Thị Trấn Ba Chẽ 29 km · Thị Trấn Tiên Yên 38 km · Cát Bà 39 km · Thị Trấn Đầm Hà 51 km · Thành Phố Uông Bí 52 km · Đố Sơn 60 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 Cẩm Phả (21.01°, 107.2734°, elevation 20 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).