Đố Sơn weather in July

In July, Đố Sơn sees average daytime highs of 31°C and overnight lows near 28°C, with 281 mm of rain across 20.1 wet days and about 13.1 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 12% of the time in July, and the air most often feels miserable.

Daylight stretches from about 13 h 12 min at the start of July to 13 hours by month's end. Set against the rest of the year, July is Đố Sơn's 11th-clearest and 1st-windiest month. For the whole year in context, see Đố Sơn's year-round climate.

Daytime high
31°
1st warmest
Overnight low
28°
12th coldest
Rainfall
281 mm
20.1 wet days
Daylight
13 h 06 min
5:24 AM – 6:33 PM
Cloud cover
82%
11th clearest
Wind
14 km/h
1st windiest
Solar energy
5.11 kWh/m²
Travel score
3.2
out of 10

Đố Sơn is Urban District of Haiphong.

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical July day in Đố Sơn reaches about 31°C in the afternoon and slips back to 28°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

25°28°30°33°35°151015202531
Avg high (°C)Avg low (°C)
13128
23128
33128
43128
53128
63128
73128
83128
93128
103128
113128
123128
133128
143128
153128
163128
173128
183128
193128
203128
213128
223128
233128
243128
253128
263128
273128
283128
293128
303128
313128

How July really feels in Đố Sơn

Once humidity and wind are folded in, July averages 31 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
31
25 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Đố Sơn weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 81%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21783
31882
41981
52080
62080
72080
82080
92179
102080
112179
122179
132080
142080
151882
161882
171882
181882
191882
201882
211882
221882
231882
241882
251882
261882
271882
282080
292080
302080
312080

Chance of precipitation in July

Any precipitation

Đố Sơn gets around 281 mm of rain over 20.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 76% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
163
263
363
463
563
663
763
863
963
1063
1162
1262
1362
1462
1562
1663
1763
1864
1964
2065
2165
2266
2367
2468
2569
2670
2772
2873
2974
3075
3176

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1199
2199
3199
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14199
15199
16199
17199
18199
190100
200100
210100
220100
230100
240100
250100
260100
270100
280100
290100
300100
310100

Wind in July

Winds average 14 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 12 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3112light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 13 h 12 min at the start of July to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over July. Sunrise moves from 5:19 AM to 5:30 AM, and sunset from 6:33 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:196:33
213.25:196:34
313.25:206:34
413.25:206:34
513.25:206:34
613.25:206:34
713.25:216:34
813.25:216:34
913.25:226:34
1013.25:226:34
1113.25:226:33
1213.25:236:33
1313.25:236:33
1413.25:236:33
1513.25:246:33
1613.15:246:33
1713.15:246:33
1813.15:256:32
1913.15:256:32
2013.15:266:32
2113.15:266:32
2213.15:266:31
2313.15:276:31
2413.15:276:31
2513.05:286:30
2613.05:286:30
2713.05:286:30
2813.05:296:29
2913.05:296:29
3013.05:306:28
3113.05:306:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.11 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 — July's 5.11 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Đố Sơn

In seasonPeak

In July, Đố Sơn sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

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

Đố Sơn'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 July a good time to visit Đố Sơn?

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

3.2
Sightseeing
11th-best month of the year
4.8
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in Đố Sơn.

What to pack for Đố Sơn in July

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

In July, Đố Sơn sees daytime highs around 31°C and nights near 28°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Đố Sơn in July

The nearest coast averages about 30°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 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 28 to Jan 27 — about 11 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb20Cool
Mar20Refreshing
Apr23Refreshing
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec23Refreshing

UV index in Đố Sơn in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Đố Sơn 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 Đố Sơn in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Đố Sơn 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 Đố Sơn?

Đố Sơn sits at 20.7°N, 106.8°E, 8 m above sea level, in Vietnam. The nearest listed city is Kiến An, 20 km away.

Topography around Đố Sơn

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

Within 3 km, the terrain around Đố Sơn has only modest variations in elevation — a maximum elevation change of 121 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 121 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Đố Sơn is covered by water (52%) within 3 km, water (68%) within 16 km, and water (39%), trees (28%) and cropland (23%) within 80 km.

3 km
121 m
16 km
121 m
80 km
1,180 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
July weather nearby: Kiến An 20 km · Haiphong 20 km · Cát Bà 27 km · Thành Phố Uông Bí 36 km · Ha Long 40 km · Thị Trấn Mạo Khê 43 km · Thị Trấn Đông Triều 50 km · Hải Dương 54 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 Đố Sơn (20.7136°, 106.7894°, 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).