Thị Trấn Tiên Yên weather in April

In April, Thị Trấn Tiên Yên sees average daytime highs of 24°C and overnight lows near 22°C, with 80 mm of rain across 13.3 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 26°C by the end. The sky is clear or mostly clear about 17% 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 48 min by month's end. Set against the rest of the year, April is Thị Trấn Tiên Yên's 5th-clearest and 11th-windiest month. For the whole year in context, see Thị Trấn Tiên Yên's year-round climate.

Daytime high
24°
7th warmest
Overnight low
22°
6th coldest
Rainfall
80 mm
13.3 wet days
Daylight
12 h 30 min
5:36 AM – 6:05 PM
Cloud cover
68%
5th clearest
Wind
10 km/h
11th windiest
Solar energy
4.47 kWh/m²
Travel score
6.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 26°C by the end.

A typical April day in Thị Trấn Tiên Yên reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°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)
12220
22220
32220
42220
52320
62320
72321
82321
92321
102321
112321
122321
132421
142421
152422
162422
172422
182422
192422
202522
212522
222522
232523
242523
252523
262523
272523
282623
292623
302623

How April really feels in Thị Trấn Tiên Yên

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.

Thị Trấn Tiên Yên weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 15°8614.210.85.0
Feb18° / 16°6613.111.35.2
Mar21° / 18°9115.611.85.3
Apr24° / 22°8013.312.56.1
May27° / 25°21318.9135.0
Jun29° / 27°32023.613.33.5
Jul29° / 27°4242513.23.4
Aug29° / 26°4162512.73.5
Sep29° / 26°27619.212.14.5
Oct27° / 24°10911.111.56.7
Nov23° / 20°689.5117.0
Dec19° / 16°629.910.76.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22674
32674
42674
52674
62773
72971
82971
92971
103169
113268
123367
133466
143565
153565
163763
173763
183862
193862
203763
213862
223961
233862
243862
253961
263961
273961
283961
293961
303961

Chance of precipitation in April

Any precipitation

Thị Trấn Tiên Yên gets around 80 mm of rain over 13.3 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 46% and peaks near 51% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
151
251
351
450
550
650
749
849
948
1048
1147
1246
1345
1445
1544
1643
1743
1842
1942
2041
2141
2241
2342
2442
2542
2643
2744
2845
2946
3047

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 79% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1692040250
2692039270
3681938290
4581937310
5581836330
6581734350
7481633380
8481632400
9481530420
10481429441
11481328461
12381327481
13381225502
14381124522
15371123533
16271022563
17271022554
18261021565
1926921566
2015920587
2115920578
2214819599
23148195711
24138185812
25037185814
26037185616
27027185518
28027185320
29026175322
30026175025

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over April. Sunrise moves from 5:50 AM to 5:25 AM, and sunset from 6:01 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:506:01
212.25:496:01
312.25:486:01
412.25:476:01
512.35:466:02
612.35:456:02
712.35:446:02
812.35:436:03
912.35:426:03
1012.45:416:03
1112.45:406:04
1212.45:396:04
1312.45:396:04
1412.45:386:05
1512.55:376:05
1612.55:366:05
1712.55:356:06
1812.55:346:06
1912.55:336:06
2012.65:336:07
2112.65:326:07
2212.65:316:07
2312.65:306:08
2412.65:296:08
2512.75:296:08
2612.75:286:09
2712.75:276:09
2812.75:266:10
2912.75:266:10
3012.85:256:10

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.47 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 4.89 kWh/m² in May across the year — April's 4.47 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
44.0Moderate
54.0Moderate
64.0Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in April

Hazard calendar for Thị Trấn Tiên Yên

In seasonPeak

In April, Thị Trấn Tiên Yên sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Thị Trấn Tiên Yên sits in the Pacific typhoon belt; the season peaks July–October.

Thị Trấn Tiên Yên'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 Thị Trấn Tiên Yên?

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

6.1
Sightseeing
4th-best month of the year
5.1
Beach & pool
5th-best month of the year

April is a reasonable time to visit Thị Trấn Tiên Yên for sightseeing.

What to pack for Thị Trấn Tiên Yên in April

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

In April, Thị Trấn Tiên Yên sees daytime highs around 24°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 13 days see rain.

rain gearlight clothes

Sea temperature near Thị Trấn Tiên Yên 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 32 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 15 to Jan 4 — about 9.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov25Warm
Dec21Refreshing

UV index in Thị Trấn Tiên Yên 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 Thị Trấn Tiên Yên peaks around July 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug9Very high
Sep10Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Thị Trấn Tiên Yên 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 Thị Trấn Tiên Yên 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 Thị Trấn Tiên Yên?

Thị Trấn Tiên Yên sits at 21.3°N, 107.4°E, 16 m above sea level, in Vietnam. The nearest listed city is Thị Trấn Ba Chẽ, 14 km away.

Topography around Thị Trấn Tiên Yên

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thị Trấn Tiên Yên.

Within 3 km, the terrain around Thị Trấn Tiên Yên has only modest variations in elevation — a maximum elevation change of 208 m around an average of 45 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,112 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.

The land around Thị Trấn Tiên Yên is covered by trees (78%) within 3 km, trees (67%) within 16 km, and trees (58%) and water (36%) within 80 km.

3 km
208 m
16 km
1,112 m
80 km
1,603 m
treesgrasslandcroplandartificial surfaceswatermangroves
April weather nearby: Thị Trấn Ba Chẽ 14 km · Thị Trấn Đầm Hà 20 km · Cẩm Phả Mines 37 km · Cẩm Phả 38 km · Ha Long 55 km · Móng Cái 62 km · Thị Trấn Na Dương 62 km · Thành Phố Uông Bí 74 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 Thị Trấn Tiên Yên (21.3313°, 107.4053°, elevation 16 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).