Hwaseong-si weather in July

In July, Hwaseong-si sees average daytime highs of 25°C and overnight lows near 22°C, with 298 mm of rain across 14.4 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 24% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 30 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Hwaseong-si's 12th-clearest and 9th-windiest month. For the whole year in context, see Hwaseong-si's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
298 mm
14.4 wet days
Daylight
14 h 18 min
5:29 AM – 7:48 PM
Cloud cover
68%
12th clearest
Wind
12 km/h
9th windiest
Solar energy
4.46 kWh/m²
Travel score
6.0
out of 10

Hwaseong-si is city in Gyeonggi Province, South Korea.

Density
932/km²
people per km²
Founded
2001

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical July day in Hwaseong-si reaches about 25°C in the afternoon and slips back to 22°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 27°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12320
22320
32420
42420
52421
62421
72421
82421
92421
102421
112421
122521
132522
142522
152522
162522
172522
182522
192522
202522
212623
222623
232623
242623
252623
262623
272623
282623
292624
302724
312724

How July really feels in Hwaseong-si

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Hwaseong-si weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°234.12.59.70.0
Feb / -1°304.31.310.60.0
Mar / 426.10.911.71.1
Apr12° / 797.3012.93.6
May17° / 13°1047.70145.9
Jun22° / 18°1277.6014.56.8
Jul25° / 22°29814.4014.36.0
Aug27° / 23°23912.8013.46.2
Sep24° / 19°1277.3012.37.3
Oct18° / 13°625.60116.7
Nov11° / 578.20.3103.1
Dec / -0°285.81.89.50.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23466
33367
43367
53367
63367
73367
83367
93367
103466
113565
123565
133565
143664
153664
163664
173664
183862
193862
203862
214060
224060
234159
244357
254357
264456
274555
284654
294753
304654
314753

Chance of precipitation in July

Any precipitation

Hwaseong-si gets around 298 mm of rain over 14.4 wet days in July, the wettest month. 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 49% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
141
242
343
444
545
646
747
847
948
1048
1148
1248
1348
1448
1548
1649
1748
1848
1948
2047
2147
2246
2346
2445
2545
2645
2744
2844
2944
3044
3144

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
122263130
222063150
311864170
411664190
511464210
611362240
711261260
811159290
911058310
1011055340
111952371
121850401
131847431
141744462
151741492
161639513
171536544
181533565
191430596
201428607
211326619
2213236310
2312216412
2412196513
2502176615
2601166617
2701156618
2801136620
2901136422
3001126423
3101116325

Wind in July

Winds average 12 km/h in July.

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

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:20 AM to 5:40 AM, and sunset from 7:52 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:207:52
214.55:217:52
314.55:217:52
414.55:217:52
514.55:227:52
614.55:227:51
714.55:237:51
814.55:247:51
914.45:247:51
1014.45:257:50
1114.45:257:50
1214.45:267:50
1314.45:277:49
1414.45:277:49
1514.35:287:49
1614.35:297:48
1714.35:297:48
1814.35:307:47
1914.35:317:47
2014.25:317:46
2114.25:327:45
2214.25:337:45
2314.25:347:44
2414.15:347:43
2514.15:357:43
2614.15:367:42
2714.15:377:41
2814.05:387:40
2914.05:387:39
3014.05:397:39
3114.05:407:38

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.46 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 5.83 kWh/m² in May across the year — July's 4.46 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in July

Hazard calendar for Hwaseong-si

In seasonPeak

In July, Hwaseong-si sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Hwaseong-si sits in the Pacific typhoon belt; the season peaks July–October.

Hwaseong-si's rainy season runs July–August, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Hwaseong-si?

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

6.0
Sightseeing
5th-best month of the year
5.5
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Hwaseong-si for sightseeing.

What to pack for Hwaseong-si in July

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

In July, Hwaseong-si sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Hwaseong-si in July

The nearest coast averages about 21°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 19 km away) is warmest in August at about 23°C and coldest in February near 4°C.

It's comfortable for a long swim from Jul 12 to Oct 14 — about 3.1 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan6Bracing
Feb4Bracing
Mar5Bracing
Apr8Bracing
May12Bracing
Jun16Cool
Jul21Refreshing
Aug23Refreshing
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec10Bracing

UV index in Hwaseong-si in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Hwaseong-si peaks around July 23 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 23UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May6High
Jun7High
Jul8Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Hwaseong-si 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 Hwaseong-si is worst in March — around 160 µg/m³ PM2.5 (very unhealthy), about 2.0× the cleanest month (August, 81 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyUnhealthyMar 13158 µg/m³Aug 1282 µg/m³
PM2.5 (µg/m³)Level
Jan145Unhealthy
Feb149Unhealthy
Mar160Very unhealthy
Apr127Unhealthy
May111Unhealthy
Jun98Unhealthy
Jul88Unhealthy
Aug81Unhealthy
Sep110Unhealthy
Oct132Unhealthy
Nov142Unhealthy
Dec133Unhealthy
Location & terrain

Where is Hwaseong-si?

Hwaseong-si sits at 37.2°N, 126.8°E, 19 m above sea level, in South Korea. The nearest listed city is Ansan, 13 km away.

Topography around Hwaseong-si

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

Within 3 km, the terrain around Hwaseong-si has only modest variations in elevation — a maximum elevation change of 186 m around an average of 45 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 320 m; within 80 km, large variations in elevation — a maximum elevation change of 1,126 m.

The land around Hwaseong-si is covered by trees (46%) and artificial surfaces (27%) within 3 km, trees (29%), artificial surfaces (25%) and cropland (22%) within 16 km, and trees (39%) and water (27%) within 80 km.

3 km
186 m
16 km
320 m
80 km
1,126 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Ansan 13 km · Suwon 19 km · Uiwang 21 km · Gunpo 21 km · Anyang-si 23 km · Osan 23 km · Siheungdong 28 km · Incheon 29 km

South Korea travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 60 Hz
Prices
≈ 57% of US
price level, 2025
GDP per capita
$36,227
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.5
per 100k, 2023
Road deaths
8.6
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 522
Religion
none 60%Protestant 17%Buddhist 16%Catholic 6%

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 Hwaseong-si (37.2068°, 126.8169°, elevation 19 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).