Gyeongsan-si weather in January

In January, Gyeongsan-si sees average daytime highs of 5°C and overnight lows near -4°C, with 22 mm of precipitation across 3.3 wet days and about 9.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 5°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 36 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Gyeongsan-si's 3rd-clearest and 1st-windiest month. For the whole year in context, see Gyeongsan-si's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
22 mm
3.3 wet days
Daylight
9 h 48 min
7:40 AM – 5:29 PM
Cloud cover
43%
3rd clearest
Wind
10 km/h
1st windiest
Solar energy
2.94 kWh/m²
Travel score
0.2
out of 10

Gyeongsan-si is city in North Gyeongsang Province, South Korea.

Density
649/km²
people per km²

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 5°C through the month.

A typical January day in Gyeongsan-si reaches about 5°C in the afternoon and slips back to -4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 10°C. Set against its neighbours, January runs about 2°C cooler than December and about 3°C cooler than February.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
16-3
26-3
36-4
46-4
56-4
66-4
75-4
85-4
95-4
105-4
115-4
125-4
135-4
145-4
155-4
165-4
175-4
185-4
195-4
205-4
215-4
225-4
235-4
245-4
255-4
265-4
276-4
286-4
296-4
306-4
316-4

How January really feels in Gyeongsan-si

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.

Gyeongsan-si 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 daysSnow daysDaylight (hours)Travel score
Jan / -4°223.319.80.2
Feb / -2°2940.910.61.6
Mar13° / 606.7111.74.2
Apr20° / 777.20.112.96.7
May25° / 13°887013.97.3
Jun28° / 18°1278.8014.46.3
Jul29° / 22°20013.3014.24.7
Aug30° / 22°18713.6013.44.5
Sep26° / 17°1358.7012.26.8
Oct21° / 10°554.6011.17.5
Nov14° / 364.50.110.14.8
Dec / -2°223.20.59.61.3

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 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57129
67129
77030
86832
96832
106733
116634
126535
136436
146436
156337
166337
176337
186337
196238
206337
216337
226337
236436
246436
256535
266535
276634
286733
296733
306733
316733

Chance of precipitation in January

Any precipitationSnow

Gyeongsan-si gets around 22 mm of rain and snow over 3.3 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 11% and peaks near 13% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
183
283
383
483
583
683
793
893
993
10103
11103
12113
13113
14123
15123
16123
17133
18133
19133
20133
21133
22133
23133
24133
25123
26123
27123
28113
29113
30113
31103

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 10 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 9 h 36 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 36 minutes over January. Sunrise moves from 7:40 AM to 7:33 AM, and sunset from 5:16 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:405:16
29.67:405:17
39.67:405:18
49.67:405:19
59.67:415:19
69.77:415:20
79.77:415:21
89.77:415:22
99.77:415:23
109.77:415:24
119.77:415:24
129.77:405:25
139.87:405:26
149.87:405:27
159.87:405:28
169.87:405:29
179.87:395:30
189.97:395:31
199.97:395:32
209.97:395:33
219.97:385:34
229.97:385:35
2310.07:375:36
2410.07:375:37
2510.07:365:38
2610.07:365:39
2710.17:355:40
2810.17:355:41
2910.17:345:42
3010.27:345:43
3110.27:335:44

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 2.62 kWh/m² to a high of 5.79 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
142.8Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
203.0Moderate
213.0Moderate
223.0Moderate
233.1Moderate
243.1Moderate
253.1Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.3Moderate
303.3Moderate
313.4Moderate
Planning a trip in January

Hazard calendar for Gyeongsan-si

In seasonPeak

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

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

Gyeongsan-si's rainy season runs June–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 Gyeongsan-si?

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

0.2
Sightseeing
12th-best month of the year
0.0
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Gyeongsan-si.

What to pack for Gyeongsan-si in January

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

In January, Gyeongsan-si sees daytime highs around 5°C and nights near -4°C. Pack a warm layer. Worth having: a heavy coat. About 3 days see rain.

a warm layera heavy coat

UV index in Gyeongsan-si 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 Gyeongsan-si peaks around August 15 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 highHighModerateAug 15UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Gyeongsan-si 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 Gyeongsan-si is worst in March — around 66 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorPoorMar 1865 µg/m³Aug 1535 µg/m³
PM2.5 (µg/m³)Level
Jan51Poor
Feb57Unhealthy
Mar66Unhealthy
Apr60Unhealthy
May55Poor
Jun47Poor
Jul37Poor
Aug34Moderate
Sep39Poor
Oct47Poor
Nov56Unhealthy
Dec47Poor
Location & terrain

Where is Gyeongsan-si?

Gyeongsan-si sits at 35.8°N, 128.7°E, 59 m above sea level, in South Korea. The nearest listed city is Hayang, 12 km away.

WaegwanMiryangChangnyeongGyeongju

Topography around Gyeongsan-si

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

Within 3 km, the terrain around Gyeongsan-si has significant variations in elevation — a maximum elevation change of 421 m around an average of 96 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 889 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,396 m.

The land around Gyeongsan-si is covered by artificial surfaces (45%) and trees (33%) within 3 km, trees (61%) within 16 km, and trees (71%) within 80 km.

3 km
421 m
16 km
889 m
80 km
1,396 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Hayang 12 km · Daegu 14 km · Hwawŏn 22 km · Eisen 24 km · Waegwan 36 km · Miryang 37 km · Changnyeong 38 km · Gyeongju 43 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 Gyeongsan-si (35.8233°, 128.7378°, elevation 59 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). 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).