Haiphong weather in April

In April, Haiphong sees average daytime highs of 26°C and overnight lows near 23°C, with 57 mm of rain across 8.4 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 18% 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 Haiphong's 4th-clearest and 4th-windiest month. For the whole year in context, see Haiphong's year-round climate.

Daytime high
26°
7th warmest
Overnight low
23°
6th coldest
Rainfall
57 mm
8.4 wet days
Daylight
12 h 30 min
5:39 AM – 6:08 PM
Cloud cover
67%
4th clearest
Wind
13 km/h
4th windiest
Solar energy
4.7 kWh/m²
Travel score
6.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical April day in Haiphong reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12421
22421
32421
42421
52421
62422
72522
82522
92522
102522
112522
122522
132523
142623
152623
162623
172623
182623
192623
202623
212724
222724
232724
242724
252724
262724
272724
282724
292824
302825

How April really feels in Haiphong

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.

Haiphong weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 16°37710.96.3
Feb20° / 17°225.511.36.5
Mar22° / 19°397.611.96.7
Apr26° / 23°578.412.56.7
May29° / 26°20716.9134.5
Jun31° / 28°21418.413.23.3
Jul31° / 28°28120.113.13.2
Aug31° / 27°38124.412.73.0
Sep30° / 26°2902012.13.8
Oct28° / 24°13312.411.55.9
Nov25° / 21°608.2117.2
Dec21° / 17°376.510.86.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13070
23169
33169
43268
53367
63367
73466
83565
93664
103763
113763
123862
133961
144060
154060
164159
174159
184258
194258
204357
214258
224258
234357
244357
254357
264258
274258
284258
294357
304258

Chance of precipitation in April

Any precipitation

Haiphong gets around 57 mm of rain over 8.4 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 29% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
128
228
328
428
528
628
728
827
927
1026
1126
1226
1326
1425
1525
1626
1726
1826
1927
2027
2128
2229
2330
2431
2532
2633
2735
2836
2937
3039

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1571435381
2461435392
3461433412
4461332432
5351331452
6351329473
7351328483
8351226494
9351225505
10251224525
11251222527
12251121538
13251120539
142411195311
151410185413
161410175315
171410165217
18139165219
19139155121
20138155023
21028145125
22027144828
23027144730
24027134633
25016134436
26016124238
27015124141
28015123943
29015113746
30015113548

Wind in April

Winds average 13 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 5:53 AM to 5:28 AM, and sunset from 6:03 PM to 6:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:536:03
212.25:526:04
312.25:516:04
412.25:506:04
512.35:496:04
612.35:486:05
712.35:476:05
812.35:466:05
912.35:456:06
1012.45:446:06
1112.45:436:06
1212.45:436:07
1312.45:426:07
1412.45:416:07
1512.55:406:08
1612.55:396:08
1712.55:386:08
1812.55:376:08
1912.55:376:09
2012.65:366:09
2112.65:356:09
2212.65:346:10
2312.65:346:10
2412.65:336:11
2512.65:326:11
2612.75:316:11
2712.75:316:12
2812.75:306:12
2912.75:296:12
3012.75:286:13

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.7 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 5.22 kWh/m² in May across the year — April's 4.7 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.6Bright
134.6Bright
144.7Bright
154.7Bright
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 Haiphong

In seasonPeak

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

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

Haiphong'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 Haiphong?

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

6.7
Sightseeing
3rd-best month of the year
6.3
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Haiphong for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Haiphong in April

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

In April, Haiphong sees daytime highs around 26°C and nights near 23°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Haiphong 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 27 km away) is warmest in August at about 30°C and coldest in February near 20°C.

It's comfortable for a long swim from Feb 24 to Feb 2 — about 11.3 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Cool
Mar21Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct28Tropical
Nov26Warm
Dec23Refreshing

UV index in Haiphong 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 Haiphong peaks around July 12 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 12UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar8Very high
Apr8Very high
May10Very high
Jun11Extreme
Jul12Extreme
Aug7Very high
Sep8Very high
Oct9Very high
Nov7High
Dec6High

Air quality in Haiphong 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 Haiphong is worst in December — around 92 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (July, 35 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 2192 µg/m³Jul 1335 µg/m³
PM2.5 (µg/m³)Level
Jan90Unhealthy
Feb80Unhealthy
Mar76Unhealthy
Apr66Unhealthy
May49Poor
Jun37Poor
Jul35Moderate
Aug40Poor
Sep59Unhealthy
Oct74Unhealthy
Nov82Unhealthy
Dec92Unhealthy
Location & terrain

Where is Haiphong?

Haiphong sits at 20.9°N, 106.7°E, 12 m above sea level, in Vietnam. The nearest listed city is Kiến An, 9.0 km away.

Topography around Haiphong

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

Within 3 km, the terrain around Haiphong has only modest variations in elevation — a maximum elevation change of 16 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Haiphong is covered by artificial surfaces (59%) within 3 km, cropland (24%) and artificial surfaces (24%) within 16 km, and trees (35%), water (29%) and cropland (24%) within 80 km.

3 km
16 m
16 km
143 m
80 km
1,180 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
April weather nearby: Kiến An 9.0 km · Đố Sơn 20 km · Thành Phố Uông Bí 21 km · Thị Trấn Mạo Khê 24 km · Thị Trấn Đông Triều 30 km · Hải Dương 37 km · Cát Bà 41 km · Ha Long 42 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 Haiphong (20.8648°, 106.6834°, elevation 12 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).