Sinhyeon weather in January

In January, Sinhyeon sees average daytime highs of 7°C and overnight lows near 2°C, with 36 mm of precipitation across 4.5 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 7°C through the month. The sky is clear or mostly clear about 52% of the time in January, and the air most often feels dry.

Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Sinhyeon's 4th-clearest and 1st-windiest month. For the whole year in context, see Sinhyeon's year-round climate.

Daytime high
12th warmest
Overnight low
1st coldest
Precipitation
36 mm
4.5 wet days
Daylight
9 h 54 min
7:38 AM – 5:32 PM
Cloud cover
43%
4th clearest
Wind
22 km/h
1st windiest
Solar energy
2.94 kWh/m²
Travel score
1.0
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 7°C through the month.

A typical January day in Sinhyeon reaches about 7°C in the afternoon and slips back to 2°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 11°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

-5°10°15°151015202531
Avg high (°C)Avg low (°C)
183
273
373
473
573
673
773
873
972
1072
1172
1272
1372
1472
1572
1672
1772
1872
1972
2072
2172
2272
2372
2472
2572
2672
2772
2872
2972
3072
3172

How January really feels in Sinhyeon

Once humidity and wind are folded in, January averages 0 days that feel above 32°C and 31 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
31
wind chill below the day's low

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

Sinhyeon weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 364.59.91.0
Feb / 50510.71.7
Mar11° / 957.611.73.0
Apr15° / 11°1328.412.94.6
May18° / 15°1397.813.86.1
Jun21° / 19°1809.314.36.3
Jul25° / 23°25212.814.16.3
Aug26° / 24°2051213.36.3
Sep24° / 21°1729.412.26.9
Oct20° / 16°764.811.17.2
Nov14° / 10°555.410.25.0
Dec / 343.99.72.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27327
37327
47228
57228
67129
77030
86931
96832
106634
116634
126535
136436
146436
156337
166337
176337
186337
196337
206337
216337
226436
236436
246535
256634
266535
276634
286733
296733
306733
316733

Chance of precipitation in January

Any precipitation

Sinhyeon gets around 36 mm of rain and snow over 4.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 14% and peaks near 16% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
612
712
813
913
1014
1114
1214
1315
1415
1515
1616
1716
1816
1916
2016
2116
2216
2316
2416
2516
2615
2715
2815
2914
3014
3114

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 22 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 21 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over January. Sunrise moves from 7:38 AM to 7:32 AM, and sunset from 5:19 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.77:385:19
29.77:385:20
39.77:385:21
49.77:385:22
59.77:385:22
69.77:395:23
79.87:395:24
89.87:395:25
99.87:395:26
109.87:395:26
119.87:395:27
129.87:385:28
139.87:385:29
149.97:385:30
159.97:385:31
169.97:385:32
179.97:385:33
189.97:375:34
1910.07:375:34
2010.07:375:35
2110.07:365:36
2210.07:365:37
2310.07:365:38
2410.17:355:39
2510.17:355:40
2610.17:345:41
2710.17:345:42
2810.27:335:43
2910.27:335:44
3010.27:325:45
3110.27:325:46

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.94 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 5.86 kWh/m² in May across the year — January's 2.94 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.8Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.0Moderate
243.1Moderate
253.1Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.3Moderate
303.3Moderate
313.4Moderate
Planning a trip in January

Hazard calendar for Sinhyeon

In seasonPeak

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

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

Sinhyeon's rainy season runs April–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 January a good time to visit Sinhyeon?

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

1.0
Sightseeing
12th-best month of the year
0.0
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Sinhyeon.

What to pack for Sinhyeon in January

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

In January, Sinhyeon sees daytime highs around 7°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat and a windbreaker. About 5 days see rain.

a warm layera heavy coata windbreaker

Sea temperature near Sinhyeon in January

The nearest coast averages about 15°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 17 to Nov 5 — about 4.7 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Sinhyeon in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sinhyeon peaks around August 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateAug 20UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Sinhyeon in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sinhyeon is worst in March — around 68 µg/m³ PM2.5 (unhealthy), about 1.6× the cleanest month (August, 42 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 2168 µg/m³Aug 1942 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb58Unhealthy
Mar68Unhealthy
Apr66Unhealthy
May65Unhealthy
Jun55Poor
Jul46Poor
Aug42Poor
Sep44Poor
Oct50Poor
Nov58Unhealthy
Dec48Poor
Location & terrain

Where is Sinhyeon?

Sinhyeon sits at 34.9°N, 128.6°E, 14 m above sea level, in South Korea. The nearest listed city is Kyosai, 5.0 km away.

ChangwonNaesŏBusanKimhae

Topography around Sinhyeon

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

Within 3 km, the terrain around Sinhyeon has significant variations in elevation — a maximum elevation change of 557 m around an average of 118 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 581 m; within 80 km, large variations in elevation — a maximum elevation change of 1,081 m.

The land around Sinhyeon is covered by trees (58%) and artificial surfaces (26%) within 3 km, water (52%) and trees (38%) within 16 km, and water (56%) and trees (33%) within 80 km.

3 km
557 m
16 km
581 m
80 km
1,081 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Kyosai 5.0 km · Geoje 10 km · Tongyeong 19 km · Goseong 30 km · Changwon 39 km · Naesŏ 42 km · Busan 44 km · Kimhae 45 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 Sinhyeon (34.8825°, 128.6267°, elevation 14 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).