Haiphong weather in March

In March, Haiphong sees average daytime highs of 22°C and overnight lows near 19°C, with 39 mm of rain across 7.6 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 14% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Haiphong's 8th-clearest and 9th-windiest month. For the whole year in context, see Haiphong's year-round climate.

Daytime high
22°
9th warmest
Overnight low
19°
4th coldest
Rainfall
39 mm
7.6 wet days
Daylight
11 h 54 min
6:07 AM – 5:58 PM
Cloud cover
75%
8th clearest
Wind
13 km/h
9th windiest
Solar energy
3.51 kWh/m²
Travel score
6.7
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 23°C by the end.

A typical March day in Haiphong reaches about 22°C in the afternoon and slips back to 19°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, March runs about 2°C warmer than February and about 4°C cooler than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12118
22118
32118
42118
52118
62118
72118
82119
92219
102219
112219
122219
132219
142219
152219
162219
172219
182220
192220
202220
212320
222320
232320
242320
252320
262320
272320
282321
292321
302421
312421

How March really feels in Haiphong

Once humidity and wind are folded in, March 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

March 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 March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22773
32773
42773
52971
62971
72872
82872
92872
102773
112575
122575
132476
142476
152476
162476
172476
182476
192476
202476
212575
222575
232674
242674
252674
262773
272773
282872
292872
302872
313070

Chance of precipitation in March

Any precipitation

Haiphong gets around 39 mm of rain over 7.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
421
521
621
721
821
921
1022
1122
1222
1323
1423
1524
1624
1725
1825
1925
2026
2126
2226
2327
2427
2528
2628
2728
2828
2928
3028
3128

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11918263070
21818263170
31817263170
41717263270
51617263380
61616263480
71516273480
81415273680
91414263790
1013142638100
1112132639100
1212132540110
1311122540120
1410122441130
1510112341150
169112341160
179112241170
188102241190
198102141200
207102041210
217102041220
227101941240
23791940250
24691840260
25691839280
26691739290
27681738310
28681638320
29581637331
30571537351
31571536361

Wind in March

Winds average 13 km/h in March.

Across March, 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.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light 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
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 36 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over March. Sunrise moves from 6:20 AM to 5:53 AM, and sunset from 5:53 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:205:53
211.66:195:53
311.66:185:54
411.66:185:54
511.66:175:55
611.66:165:55
711.76:155:55
811.76:145:56
911.76:145:56
1011.76:135:56
1111.76:125:57
1211.86:115:57
1311.86:105:57
1411.86:095:58
1511.86:085:58
1611.96:075:58
1711.96:065:59
1811.96:065:59
1911.96:055:59
2011.96:046:00
2112.06:036:00
2212.06:026:00
2312.06:016:01
2412.06:006:01
2512.05:596:01
2612.15:586:02
2712.15:576:02
2812.15:566:02
2912.15:556:02
3012.15:546:03
3112.25:536:03

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.51 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 — March's 3.51 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.2Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.3Moderate
83.3Moderate
93.4Moderate
103.4Moderate
113.4Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.9Moderate
313.9Moderate
Planning a trip in March

Hazard calendar for Haiphong

In seasonPeak

In March, 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 March a good time to visit Haiphong?

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

6.7
Sightseeing
3rd-best month of the year
4.8
Beach & pool
8th-best month of the year

March is a reasonable time to visit Haiphong for sightseeing.

What to pack for Haiphong in March

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

In March, Haiphong sees daytime highs around 22°C and nights near 19°C. Worth packing: light clothes. About 8 days see rain.

light clothes

Sea temperature near Haiphong in March

The nearest coast averages about 21°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 8 (very high — sun protection essential). 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 March

GoodModeratePoorUnhealthyVery unhealthy

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