Waegwan weather in January

In January, Waegwan sees average daytime highs of 5°C and overnight lows near -4°C, with 22 mm of precipitation across 3.5 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 50% 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 Waegwan's 3rd-clearest and 1st-windiest month. For the whole year in context, see Waegwan's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
22 mm
3.5 wet days
Daylight
9 h 48 min
7:42 AM – 5:30 PM
Cloud cover
44%
3rd clearest
Wind
10 km/h
1st windiest
Solar energy
2.88 kWh/m²
Travel score
0.0
out of 10

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 Waegwan 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 9°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)
15-4
25-4
35-4
45-4
55-4
65-4
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
275-4
285-4
295-4
305-4
315-4

How January really feels in Waegwan

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.

Waegwan 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°223.51.49.80.0
Feb / -2°293.9110.61.3
Mar13° / 566.51.111.74.1
Apr20° / 787.10.112.96.6
May25° / 13°897.5013.97.2
Jun28° / 18°1278.8014.46.1
Jul30° / 22°21414014.24.6
Aug30° / 22°19813.9013.44.4
Sep26° / 17°1429.1012.26.7
Oct21° / 10°574.1011.17.5
Nov14° / 354.60.110.14.6
Dec / -2°213.50.89.61.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37129
47129
57129
67030
77030
86832
96832
106733
116634
126535
136535
146436
156436
166436
176337
186337
196337
206436
216436
226436
236535
246535
256634
266733
276733
286832
296832
306832
316931

Chance of precipitation in January

Any precipitationSnow

Waegwan gets around 22 mm of rain and snow over 3.5 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 11% and peaks near 14% on the wettest days, and about 1 day brings snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
193
293
393
493
594
694
794
894
9104
10104
11114
12114
13114
14124
15124
16135
17135
18135
19145
20145
21145
22145
23145
24135
25135
26135
27125
28125
29115
30115
31115

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 10 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
110calm
210calm
310calm
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 7:42 AM to 7:35 AM, and sunset from 5:17 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.67:425:17
29.67:425:18
39.67:425:19
49.67:425:20
59.67:425:20
69.67:425:21
79.77:425:22
89.77:425:23
99.77:425:24
109.77:425:24
119.77:425:25
129.77:425:26
139.87:425:27
149.87:425:28
159.87:425:29
169.87:425:30
179.87:415:31
189.87:415:32
199.97:415:33
209.97:405:34
219.97:405:35
229.97:405:36
2310.07:395:37
2410.07:395:38
2510.07:385:39
2610.07:385:40
2710.17:375:41
2810.17:375:42
2910.17:365:43
3010.17:355:44
3110.27:355:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.88 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 5.83 kWh/m² in May across the year — January's 2.88 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.7Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.9Moderate
223.0Moderate
233.0Moderate
243.0Moderate
253.1Moderate
263.1Moderate
273.1Moderate
283.2Moderate
293.2Moderate
303.3Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Waegwan

In seasonPeak

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

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

Waegwan'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 Waegwan?

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

0.0
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 Waegwan.

What to pack for Waegwan in January

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

In January, Waegwan sees daytime highs around 5°C and nights near -4°C. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

UV index in Waegwan 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 Waegwan peaks around August 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Waegwan 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 Waegwan is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 1.8× the cleanest month (August, 35 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 1762 µg/m³Aug 935 µg/m³
PM2.5 (µg/m³)Level
Jan49Poor
Feb54Poor
Mar63Unhealthy
Apr55Unhealthy
May48Poor
Jun44Poor
Jul35Moderate
Aug35Moderate
Sep41Poor
Oct48Poor
Nov53Poor
Dec46Poor
Location & terrain

Where is Waegwan?

Waegwan sits at 36.0°N, 128.4°E, 33 m above sea level, in South Korea. The nearest listed city is Gumi, 15 km away.

Gyeongsan-siHayang

Topography around Waegwan

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

Within 3 km, the terrain around Waegwan has significant variations in elevation — a maximum elevation change of 288 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 953 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,581 m.

The land around Waegwan is covered by trees (39%) and artificial surfaces (26%) within 3 km, trees (62%) within 16 km, and trees (77%) within 80 km.

3 km
288 m
16 km
953 m
80 km
1,581 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Gumi 15 km · Daegu 22 km · Hwawŏn 23 km · Gimcheon 29 km · Jenzan 29 km · Kunwi 31 km · Gyeongsan-si 36 km · Hayang 39 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 Waegwan (35.9925°, 128.3979°, elevation 33 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).