Korosten weather in January

In January, Korosten sees average daytime highs of -1°C and overnight lows near -6°C, with 32 mm of precipitation across 8.4 wet days and about 8.2 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near -1°C through the month. The sky is clear or mostly clear about 8% of the time in January, and the air most often feels dry.

Daylight stretches from about 7 h 48 min at the start of January to 8 h 48 min by month's end. Set against the rest of the year, January is Korosten's 11th-clearest and 2nd-windiest month. For the whole year in context, see Korosten's year-round climate.

Daytime high
-1°
12th warmest
Overnight low
-6°
1st coldest
Precipitation
32 mm
8.4 wet days
Daylight
8 h 12 min
8:10 AM – 4:20 PM
Cloud cover
84%
11th clearest
Wind
16 km/h
2nd windiest
Solar energy
0.83 kWh/m²
Travel score
0.0
out of 10

Korosten is city in Ukraine.

Density
1,817/km²
people per km²
Founded
~945 CE

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 -1°C through the month.

A typical January day in Korosten reaches about -1°C in the afternoon and slips back to -6°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between -9°C and 5°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
1-1-5
2-1-5
3-1-5
4-1-5
5-1-5
6-1-5
7-1-5
8-1-5
9-1-5
10-1-5
11-1-5
12-1-5
13-1-5
14-1-5
15-1-5
16-1-6
17-1-6
18-1-6
19-1-6
20-2-6
21-2-6
22-2-6
23-2-6
24-2-6
25-2-7
26-2-7
27-2-7
28-2-7
29-2-7
30-2-7
31-2-7

How January really feels in Korosten

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
31 feel bitter (≤ -10°C)

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

Korosten 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-1° / -6°328.46.78.20.0
Feb / -6°318.46.99.70.0
Mar / -2°42104.811.50.5
Apr14° / 439.70.813.53.9
May20° / 6411.2015.36.1
Jun23° / 13°6911.3016.26.6
Jul25° / 15°9113.2015.86.4
Aug24° / 13°609.5014.37.0
Sep19° / 508.8012.46.1
Oct12° / 458.40.510.43.2
Nov / -0°418.23.18.70.4
Dec-0° / -4°379.167.80.0

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51387
61387
71387
81387
91387
101585
111585
121585
131585
141585
151585
161585
171684
181585
191486
201486
211486
221486
231486
241486
251486
261486
271486
281486
291486
301486
311684

Chance of precipitation in January

Any precipitationSnow

Korosten gets around 32 mm of rain and snow over 8.4 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 27% and peaks near 30% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13019
22919
32919
42819
52820
62720
72720
82620
92620
102620
112620
122620
132521
142521
152521
162521
172521
182521
192622
202622
212622
222722
232723
242823
252823
262924
272924
283024
293025
303025
313025

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 16 km/h in January.

Across January, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 7 h 48 min at the start of January to 8 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 8:15 AM to 7:54 AM, and sunset from 4:02 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.88:154:02
27.88:154:03
37.88:154:04
47.88:154:05
57.88:154:06
67.98:154:07
77.98:144:08
87.98:144:09
97.98:144:10
108.08:134:12
118.08:134:13
128.08:124:14
138.18:124:16
148.18:114:17
158.18:104:18
168.28:104:20
178.28:094:21
188.28:084:23
198.38:074:24
208.38:064:26
218.48:054:27
228.48:044:29
238.58:034:30
248.58:024:32
258.58:014:34
268.68:004:35
278.67:594:37
288.77:584:39
298.77:564:40
308.87:554:42
318.87:544:44

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 0.83 kWh/m².

For context, solar energy here swings from a low near 0.6 kWh/m² to a high of 5.73 kWh/m² in June across the year — January's 0.83 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.8Dim
130.8Dim
140.8Dim
150.8Dim
160.8Dim
170.8Dim
180.9Dim
190.9Dim
200.9Dim
210.9Dim
220.9Dim
231.0Dim
241.0Dim
251.0Dim
261.0Dim
271.1Dim
281.1Dim
291.1Dim
301.1Dim
311.2Dim
Planning a trip in January

Is January a good time to visit Korosten?

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

0.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
8th-best month of the year

January is a weaker month for outdoor sightseeing in Korosten.

What to pack for Korosten in January

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

In January, Korosten sees daytime highs around -1°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 8 days see rain.

a warm layera heavy coatrain gear

UV index in Korosten in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Korosten peaks around July 13 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Korosten?

Korosten sits at 51.0°N, 28.6°E, 169 m above sea level, in Ukraine. The nearest listed city is Ovruch, 43 km away.

BohuniyaKorostyshivZhytomyrKorolyovZvyahel

Topography around Korosten

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

Within 3 km, the terrain around Korosten has only modest variations in elevation — a maximum elevation change of 95 m around an average of 179 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 296 m.

The land around Korosten is covered by trees (34%), artificial surfaces (28%) and grassland (27%) within 3 km, cropland (34%), trees (33%) and grassland (30%) within 16 km, and trees (55%) and cropland (24%) within 80 km.

3 km
95 m
16 km
153 m
80 km
296 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Ovruch 43 km · Malyn 47 km · Radomyshl 66 km · Bohuniya 75 km · Korostyshiv 76 km · Zhytomyr 77 km · Korolyov 79 km · Zvyahel 83 km

Ukraine travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$5,866
2025
Happiness
4.7 / 10
World Happiness, 2025
Safe drinking water
88%
of population, 2024
Homicide rate
3.8
per 100k, 2021
Road deaths
10.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 526

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 Korosten (50.9512°, 28.6386°, elevation 169 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).