Sinan weather in June

In June, Sinan sees average daytime highs of 19°C and overnight lows near 18°C, with 171 mm of rain across 8.7 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 27% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is Sinan's 9th-clearest and 12th-windiest month. For the whole year in context, see Sinan's year-round climate.

Daytime high
19°
4th warmest
Overnight low
18°
9th coldest
Rainfall
171 mm
8.7 wet days
Daylight
14 h 18 min
5:26 AM – 7:46 PM
Cloud cover
66%
9th clearest
Wind
16 km/h
12th windiest
Solar energy
5.56 kWh/m²
Travel score
6.1
out of 10

Sinan is human settlement in South Korea.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical June day in Sinan reaches about 19°C in the afternoon and slips back to 18°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, June runs about 4°C warmer than May and about 4°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11716
21816
31816
41816
51817
61817
71817
81817
91917
101917
111917
121918
131918
141918
151918
161918
172018
182018
192018
202019
212019
222019
232019
242019
252119
262119
272120
282120
292120
302120

How June really feels in Sinan

Once humidity and wind are folded in, June 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

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

Sinan weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 407.52.89.90.4
Feb / 456.61.810.70.4
Mar / 717.30.411.71.5
Apr11° / 10°917.6012.83.1
May15° / 14°1037.8013.85.1
Jun19° / 18°1718.7014.36.1
Jul23° / 22°21511.6014.16.4
Aug25° / 24°20411.3013.36.7
Sep23° / 21°1617.7012.27.2
Oct19° / 17°614.6011.17.0
Nov14° / 11°586.9010.24.2
Dec / 448.11.79.71.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35050
45050
54951
64951
74852
84753
94654
104555
114456
124357
134258
144159
153961
163763
173664
183664
193466
203268
213169
223070
232971
242971
252773
262773
272773
282773
292773
302773

Chance of precipitation in June

Any precipitation

Sinan gets around 171 mm of rain over 8.7 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
120
220
320
420
520
621
721
822
922
1023
1124
1225
1326
1427
1528
1629
1730
1831
1932
2033
2134
2236
2337
2438
2540
2641
2742
2842
2943
3044

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18613100
27573510
36534010
44504510
53464920
63415420
72375830
81336240
91296460
101256770
110217090
1201771120
1301472140
1401270180
150970210
160867250
170666280
180563320
190458371
200355411
210350452
220247493
230242524
240138565
250134596
260131608
270127639
2801246411
2901216513
3001196515

Wind in June

Winds average 16 km/h in June, the calmest month.

Across June, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2918light breeze
3018light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 5:28 AM to 5:29 AM, and sunset from 7:38 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:287:38
214.25:287:39
314.25:287:39
414.25:277:40
514.25:277:40
614.25:277:41
714.25:277:41
814.35:277:42
914.35:267:42
1014.35:267:43
1114.35:267:43
1214.35:267:44
1314.35:267:44
1414.35:267:45
1514.35:267:45
1614.35:267:46
1714.35:267:46
1814.35:267:46
1914.35:267:47
2014.35:267:47
2114.35:277:47
2214.35:277:47
2314.35:277:47
2414.35:277:48
2514.35:287:48
2614.35:287:48
2714.35:287:48
2814.35:287:48
2914.35:297:48
3014.35:297:48

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.56 kWh/m².

For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 5.9 kWh/m² in May across the year — June's 5.56 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
85.9Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.8Bright
145.7Bright
155.7Bright
165.6Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in June

Hazard calendar for Sinan

In seasonPeak

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

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

Sinan's rainy season runs May–September, 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 June a good time to visit Sinan?

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

6.1
Sightseeing
5th-best month of the year
2.8
Beach & pool
4th-best month of the year

June is a reasonable time to visit Sinan for sightseeing.

What to pack for Sinan in June

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

In June, Sinan sees daytime highs around 19°C and nights near 18°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Sinan in June

The nearest coast averages about 18°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 30 to Oct 6 — about 3.3 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May14Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Sinan in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Sinan peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 8Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr6High
May7Very high
Jun8Very high
Jul8Very high
Aug8Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Sinan in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sinan is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (August, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1732 µg/m³Aug 1113 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb29Moderate
Mar33Moderate
Apr29Moderate
May23Moderate
Jun17Moderate
Jul14Moderate
Aug13Moderate
Sep17Moderate
Oct18Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Sinan?

Sinan sits at 34.8°N, 126.1°E, 3 m above sea level, in South Korea. The nearest listed city is Mokpo, 26 km away.

MuanHaenamYeongamNajuYeonggwangMasanJangheung

Topography around Sinan

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

Within 3 km, the terrain around Sinan has significant variations in elevation — a maximum elevation change of 337 m around an average of 38 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 346 m; within 80 km, large variations in elevation — a maximum elevation change of 768 m.

The land around Sinan is covered by trees (41%) and water (32%) within 3 km, water (75%) within 16 km, and water (66%) within 80 km.

3 km
337 m
16 km
346 m
80 km
768 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Mokpo 26 km · Muan 38 km · Haenam 53 km · Yeongam 54 km · Naju 60 km · Yeonggwang 62 km · Masan 74 km · Jangheung 75 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 Sinan (34.8262°, 126.1086°, elevation 3 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).