Cẩm Phả weather in April

In April, Cẩm Phả sees average daytime highs of 24°C and overnight lows near 22°C, with 65 mm of rain across 10.3 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Cẩm Phả's 5th-clearest and 11th-windiest month. For the whole year in context, see Cẩm Phả's year-round climate.

Daytime high
24°
7th warmest
Overnight low
22°
6th coldest
Rainfall
65 mm
10.3 wet days
Daylight
12 h 30 min
5:37 AM – 6:06 PM
Cloud cover
67%
5th clearest
Wind
12 km/h
11th windiest
Solar energy
4.74 kWh/m²
Travel score
6.5
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical April day in Cẩm Phả reaches about 24°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12320
22320
32320
42321
52321
62321
72321
82321
92421
102421
112421
122422
132422
142422
152422
162422
172522
182522
192522
202523
212523
222523
232523
242623
252623
262623
272623
282624
292624
302624

How April really feels in Cẩm Phả

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cẩm Phả weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22872
32971
43169
53169
63169
73169
83268
93466
103466
113466
123664
133763
143961
153961
164060
174060
184159
194159
204159
214159
224258
234258
244258
254357
264357
274258
284357
294357
304258

Chance of precipitation in April

Any precipitation

Cẩm Phả gets around 65 mm of rain over 10.3 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
536
636
736
836
935
1035
1135
1235
1334
1434
1534
1633
1733
1833
1933
2033
2134
2234
2335
2435
2536
2637
2738
2839
2940
3042

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 82% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1672040270
2571939290
3561938320
4561837340
5461835361
6461734381
7461632401
8461631421
9461530451
10361428471
11361327492
12361325512
13361224523
14361123543
15261022564
16251021575
1725921576
1825920577
1915920578
2014819599
21148195810
22137185912
23137185714
24036175816
25036175618
26026175520
27025165423
28025165225
29025165028
30025154831

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 5:50 AM to 5:26 AM, and sunset from 6:01 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:01
212.25:496:01
312.25:486:02
412.25:476:02
512.35:466:02
612.35:466:02
712.35:456:03
812.35:446:03
912.35:436:03
1012.45:426:04
1112.45:416:04
1212.45:406:04
1312.45:396:05
1412.45:386:05
1512.55:386:05
1612.55:376:06
1712.55:366:06
1812.55:356:06
1912.55:346:07
2012.65:336:07
2112.65:336:07
2212.65:326:08
2312.65:316:08
2412.65:306:08
2512.75:306:09
2612.75:296:09
2712.75:286:09
2812.75:276:10
2912.75:276:10
3012.75:266:11

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.74 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 — April's 4.74 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.6Bright
134.6Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Cẩm Phả

In seasonPeak

In April, Cẩm Phả sits inside its pacific typhoon 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 April a good time to visit Cẩm Phả?

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

6.5
Sightseeing
3rd-best month of the year
5.6
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Cẩm Phả for sightseeing.

What to pack for Cẩm Phả in April

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

In April, Cẩm Phả sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Cẩm Phả in April

The nearest coast averages about 23°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).