Hải Dương weather in October

In October, Hải Dương sees average daytime highs of 29°C and overnight lows near 23°C, with 119 mm of rain across 12.6 wet days and about 11.5 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 31% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 h 12 min by month's end. Set against the rest of the year, October is Hải Dương's 2nd-clearest and 10th-windiest month. For the whole year in context, see Hải Dương's year-round climate.

Daytime high
29°
6th warmest
Overnight low
23°
7th coldest
Rainfall
119 mm
12.6 wet days
Daylight
11 h 30 min
5:54 AM – 5:25 PM
Cloud cover
58%
2nd clearest
Wind
8 km/h
10th windiest
Solar energy
4.08 kWh/m²
Travel score
5.2
out of 10

Hải Dương is provincial city of Hải Dương province, Vietnam.

Density
3,382/km²
people per km²
Founded
1804

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical October day in Hải Dương reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, October runs about 2°C cooler than September and about 3°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33024
43024
53024
63024
73023
83023
93023
103023
113023
123023
133023
142923
152923
162923
172923
182922
192922
202922
212922
222922
232922
242822
252822
262821
272821
282821
292821
302821
312821

How October really feels in Hải Dương

Once humidity and wind are folded in, October averages 14 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
14
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Hải Dương weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°36710.96.3
Feb22° / 16°246.611.36.5
Mar24° / 19°509.911.96.5
Apr28° / 22°8211.312.55.4
May31° / 25°24418.7133.3
Jun33° / 27°24620.413.22.4
Jul33° / 27°27622.513.12.3
Aug32° / 26°35325.312.72.4
Sep31° / 25°24419.912.13.2
Oct29° / 23°11912.611.55.2
Nov26° / 19°607.4117.0
Dec22° / 16°346.710.87.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 22% of October, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34951
45050
55050
65149
75149
85149
95347
105347
115347
125347
135347
145446
155446
165545
175446
185545
195545
205545
215545
225644
235644
245644
255644
265644
275644
285644
295644
305644
315644

Chance of precipitation in October

Any precipitation

Hải Dương gets around 119 mm of rain over 12.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 49% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
149
249
348
447
547
647
746
846
946
1046
1145
1245
1344
1444
1543
1642
1741
1841
1940
2039
2138
2237
2335
2434
2533
2632
2731
2830
2929
3028
3128

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1017173640
2017173639
3018183737
4019183736
50110183734
60110193733
70111193731
80112203830
90113203828
100213213826
110214213824
121215223822
131215233921
141216233919
151216243918
161317243917
172317243815
182417253814
192417253813
202517253812
213518253811
223618263710
23471826369
24481826359
25591826348
266101826338
276111826327
287121825307
297131825307
308141924297
318151924286

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over October. Sunrise moves from 5:49 AM to 6:01 AM, and sunset from 5:38 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:495:38
211.85:505:37
311.85:505:36
411.75:505:35
511.75:515:34
611.75:515:33
711.75:515:32
811.75:525:32
911.65:525:31
1011.65:525:30
1111.65:535:29
1211.65:535:28
1311.65:535:27
1411.55:545:27
1511.55:545:26
1611.55:545:25
1711.55:555:24
1811.55:555:23
1911.55:565:23
2011.45:565:22
2111.45:565:21
2211.45:575:21
2311.45:575:20
2411.45:585:19
2511.35:585:19
2611.35:595:18
2711.35:595:17
2811.36:005:17
2911.36:005:16
3011.36:015:16
3111.26:015:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.08 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 4.96 kWh/m² in June across the year — October's 4.08 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in October

Hazard calendar for Hải Dương

In seasonPeak

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

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

Hải Dương'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 October a good time to visit Hải Dương?

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

5.2
Sightseeing
7th-best month of the year
6.5
Beach & pool
2nd-best month of the year

October is a reasonable time to visit Hải Dương for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hải Dương in October

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

In October, Hải Dương sees daytime highs around 29°C and nights near 23°C. Pack light clothes. Worth having: rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Hải Dương in October

The nearest coast averages about 28°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 46 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 Hải Dương in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Hải Dương peaks around July 10 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 10UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb8Very high
Mar9Very high
Apr7Very high
May9Very high
Jun11Extreme
Jul12Extreme
Aug7Very high
Sep8Very high
Oct8Very high
Nov7High
Dec6High

Air quality in Hải Dương in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Hải Dương 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 Hải Dương?

Hải Dương sits at 20.9°N, 106.3°E, 8 m above sea level, in Vietnam. The nearest listed city is Chí Linh, 14 km away.

Topography around Hải Dương

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

Within 3 km, the terrain around Hải Dương has only modest variations in elevation — a maximum elevation change of 14 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 141 m; within 80 km, large variations in elevation — a maximum elevation change of 1,005 m.

The land around Hải Dương is covered by artificial surfaces (48%) within 3 km, cropland (46%) and trees (24%) within 16 km, and trees (37%) and cropland (35%) within 80 km.

3 km
14 m
16 km
141 m
80 km
1,005 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
October weather nearby: Chí Linh 14 km · Thị Trấn Đông Triều 24 km · Mỹ Hào 26 km · Thuận Thanh 29 km · Thị Trấn Mạo Khê 30 km · Cung Kiệm 33 km · Kiến An 34 km · Lương Bằng 36 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 Hải Dương (20.941°, 106.333°, elevation 8 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).