Gumi weather in January

In January, Gumi sees average daytime highs of 5°C and overnight lows near -4°C, with 23 mm of precipitation across 3.7 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 47% 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 Gumi's 4th-clearest and 1st-windiest month. For the whole year in context, see Gumi's year-round climate.

Daytime high
12th warmest
Overnight low
-4°
1st coldest
Precipitation
23 mm
3.7 wet days
Daylight
9 h 48 min
7:42 AM – 5:30 PM
Cloud cover
47%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
2.84 kWh/m²
Travel score
0.0
out of 10

Gumi is city in North Gyeongsang Province, South Korea.

Density
656/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 Gumi 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
134-4
144-4
154-4
164-4
174-4
184-4
194-4
204-4
214-4
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 Gumi

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.

Gumi 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°233.71.99.80.0
Feb / -3°2941.110.61.3
Mar13° / 556.51.211.74.1
Apr20° / 787.30.112.96.6
May25° / 13°887.8013.97.2
Jun28° / 18°1329.2014.46.0
Jul30° / 22°22414.8014.24.5
Aug30° / 22°21514.5013.44.4
Sep26° / 17°1539.4012.26.7
Oct21° / 10°584.5011.17.4
Nov14° / 374.80.210.14.5
Dec / -2°223.60.89.60.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
46931
56931
66931
76832
86733
96634
106535
116436
126337
136337
146139
156139
166139
176139
186139
196139
206139
216238
226238
236337
246436
256436
266535
276634
286733
296733
306733
316733

Chance of precipitation in January

Any precipitationSnow

Gumi gets around 23 mm of rain and snow over 3.7 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 12% and peaks near 14% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
193
293
394
494
594
694
7104
8105
9105
10115
11115
12126
13126
14126
15136
16137
17147
18147
19147
20147
21147
22147
23147
24147
25147
26137
27137
28126
29126
30126
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
29.67:435:18
39.67:435:19
49.67:435:20
59.67:435:20
69.67:435:21
79.67:435:22
89.77:435:23
99.77:435:24
109.77:435:24
119.77:435:25
129.77:435:26
139.77:435:27
149.87:425:28
159.87:425:29
169.87:425:30
179.87:425:31
189.87:425:32
199.97:415:33
209.97:415:34
219.97:405:35
229.97:405:36
239.97:405:37
2410.07:395:38
2510.07:395:39
2610.07:385:40
2710.17:385:41
2810.17:375:42
2910.17:365:43
3010.17:365:44
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 2.84 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 5.85 kWh/m² in May across the year — January's 2.84 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
102.7Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.8Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.8Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.9Moderate
233.0Moderate
243.0Moderate
253.0Moderate
263.1Moderate
273.1Moderate
283.2Moderate
293.2Moderate
303.2Moderate
313.3Moderate
Planning a trip in January

Hazard calendar for Gumi

In seasonPeak

None of Gumi's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Gumi's rainy season runs June–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Gumi?

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 Gumi.

What to pack for Gumi in January

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

In January, Gumi 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 Gumi 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 Gumi 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 Gumi 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 Gumi 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 Gumi?

Gumi sits at 36.1°N, 128.3°E, 63 m above sea level, in South Korea. The nearest listed city is Jenzan, 15 km away.

DaeguSangjuHwawŏnGyeongsan-si

Topography around Gumi

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

Within 3 km, the terrain around Gumi has large variations in elevation — a maximum elevation change of 605 m around an average of 128 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 948 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,578 m.

The land around Gumi is covered by trees (52%) and artificial surfaces (35%) within 3 km, trees (57%) and cropland (21%) within 16 km, and trees (78%) within 80 km.

3 km
605 m
16 km
948 m
80 km
1,578 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Jenzan 15 km · Waegwan 15 km · Gimcheon 19 km · Kunwi 25 km · Daegu 35 km · Sangju 37 km · Hwawŏn 38 km · Gyeongsan-si 48 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 Gumi (36.1136°, 128.336°, elevation 63 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. 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).