Sinan weather in March

In March, Sinan sees average daytime highs of 8°C and overnight lows near 6°C, with 71 mm of precipitation across 7.3 wet days and about 11.7 hours of daylight. It is the 10th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 9°C by the end. The sky is clear or mostly clear about 39% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Sinan's 5th-clearest and 5th-windiest month. For the whole year in context, see Sinan's year-round climate.

Daytime high
10th warmest
Overnight low
4th coldest
Precipitation
71 mm
7.3 wet days
Daylight
11 h 42 min
6:53 AM – 6:37 PM
Cloud cover
54%
5th clearest
Wind
24 km/h
5th windiest
Solar energy
4.66 kWh/m²
Travel score
1.5
out of 10

Sinan is human settlement in South Korea.

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 9°C by the end.

A typical March day in Sinan reaches about 8°C in the afternoon and slips back to 6°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 11°C. Set against its neighbours, March runs about 2°C warmer than February and about 3°C cooler than April.

10°15°151015202531
Avg high (°C)Avg low (°C)
175
275
375
475
575
675
775
875
975
1085
1185
1285
1385
1486
1586
1686
1786
1886
1986
2086
2186
2296
2396
2497
2597
2697
2797
2897
2997
3097
3197

How March really feels in Sinan

Once humidity and wind are folded in, March averages 0 days that feel above 32°C and 2 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
2
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Sinan weather by month

How March compares with the rest of the year at a glance. March is the 10th-warmest and 7th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44951
55050
65050
75149
85248
95248
105248
115347
125446
135446
145446
155347
165446
175446
185446
195446
205446
215446
225446
235446
245446
255446
265545
275545
285545
295545
305545
315545

Chance of precipitation in March

Any precipitationSnow

Sinan gets around 71 mm of rain and snow over 7.3 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 24% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
1243
2243
3243
4243
5243
6243
7243
8243
9243
10242
11242
12242
13242
14242
15241
16241
17241
18241
19241
20240
21240
22240
23240
24230
25230
26230
27230
28220
29220
30220
31230

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 24 km/h in March.

Across March, daily wind ranges from about 22 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
925breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1724breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 7:13 AM to 6:32 AM, and sunset from 6:24 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:136:24
211.27:126:25
311.37:116:26
411.37:106:27
511.37:086:28
611.47:076:29
711.47:066:29
811.47:046:30
911.57:036:31
1011.57:026:32
1111.57:006:33
1211.66:596:34
1311.66:586:35
1411.76:566:35
1511.76:556:36
1611.76:536:37
1711.86:526:38
1811.86:516:39
1911.86:496:40
2011.96:486:40
2111.96:466:41
2212.06:456:42
2312.06:436:43
2412.06:426:44
2512.16:406:44
2612.16:396:45
2712.16:386:46
2812.26:366:47
2912.26:356:48
3012.36:336:48
3112.36:326:49

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.66 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 — March's 4.66 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Bright
34.1Bright
44.1Bright
54.2Bright
64.2Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.2Bright
295.2Bright
305.2Bright
315.3Bright
Planning a trip in March

Hazard calendar for Sinan

In seasonPeak

In March, Sinan sits inside its pacific typhoon 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 March a good time to visit Sinan?

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

1.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Sinan.

What to pack for Sinan in March

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

In March, Sinan sees daytime highs around 8°C and nights near 6°C. Pack a warm layer. Worth having: a heavy coat, sun protection and a windbreaker. About 7 days see rain.

a warm layera heavy coatsun protectiona windbreaker

Sea temperature near Sinan in March

The nearest coast averages about 8°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 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 6 — enough to warrant sun protection. 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 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 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
March 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).