Izyum weather in December

In December, Izyum sees average daytime highs of -0°C and overnight lows near -5°C, with 43 mm of precipitation across 8.7 wet days and about 8.1 hours of daylight. It is the 10th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -1°C by the end. The sky is clear or mostly clear about 6% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of December to 8 hours by month's end. Set against the rest of the year, December is Izyum's 11th-clearest and 3rd-windiest month. For the whole year in context, see Izyum's year-round climate.

Daytime high
-0°
10th warmest
Overnight low
-5°
3rd coldest
Precipitation
43 mm
8.7 wet days
Daylight
8 hours
7:27 AM – 3:27 PM
Cloud cover
87%
11th clearest
Wind
15 km/h
3rd windiest
Solar energy
0.68 kWh/m²
Travel score
0.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 1°C in the first days to -1°C by the end.

A typical December day in Izyum reaches about -0°C in the afternoon and slips back to -5°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between -8°C and 6°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
11-3
21-3
31-3
41-3
51-4
60-4
70-4
80-4
90-4
100-4
110-4
120-5
130-5
140-5
15-1-5
16-1-5
17-1-5
18-1-5
19-1-5
20-1-5
21-1-5
22-1-5
23-1-6
24-1-6
25-1-6
26-1-6
27-1-6
28-1-6
29-1-6
30-1-6
31-1-6

How December really feels in Izyum

Once humidity and wind are folded in, December 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
19 feel bitter (≤ -10°C)

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

Izyum weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -7°409.27.58.50.0
Feb-1° / -7°3586.39.80.0
Mar / -2°429.54.611.60.5
Apr15° / 429.40.513.44.3
May21° / 11°519.9015.16.6
Jun25° / 15°589.7015.96.9
Jul28° / 17°488.9015.66.6
Aug27° / 15°366.2014.27.2
Sep21° / 10°437.3012.46.9
Oct13° / 417.30.510.53.8
Nov / -1°387.52.68.90.3
Dec-0° / -5°438.75.98.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21288
31288
41189
51189
61189
71090
81090
91090
101090
111090
121090
131090
141090
151090
161090
17991
18991
19991
20991
21991
22991
23991
241090
251090
261090
271090
281090
291090
301090
311090

Chance of precipitation in December

Any precipitationSnow

Izyum gets around 43 mm of rain and snow over 8.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 28% and peaks near 30% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12515
22516
32616
42617
52617
62618
72618
82718
92718
102719
112719
122719
132719
142819
152819
162819
172819
182919
192920
202920
212920
222920
232920
242920
252920
263020
273020
283020
293021
303021
313021

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December 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 December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 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
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 18 min at the start of December to 8 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over December. Sunrise moves from 7:12 AM to 7:33 AM, and sunset from 3:29 PM to 3:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.37:123:29
28.37:133:29
38.27:143:29
48.27:153:28
58.27:173:28
68.27:183:28
78.17:193:27
88.17:203:27
98.17:213:27
108.17:223:27
118.17:233:27
128.17:243:27
138.07:253:27
148.07:253:27
158.07:263:27
168.07:273:27
178.07:283:27
188.07:283:28
198.07:293:28
208.07:293:28
218.07:303:29
228.07:313:29
238.07:313:30
248.07:313:30
258.07:323:31
268.07:323:31
278.07:323:32
288.07:333:33
298.07:333:34
308.07:333:34
318.07:333:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.68 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 6.01 kWh/m² in June across the year — December's 0.68 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.7Dim
30.7Dim
40.7Dim
50.7Dim
60.7Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.7Dim
280.7Dim
290.7Dim
300.7Dim
310.7Dim
Planning a trip in December

Is December a good time to visit Izyum?

Our two travel scores rate December 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

December is a weaker month for outdoor sightseeing in Izyum.

What to pack for Izyum in December

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

In December, Izyum sees daytime highs around -0°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Izyum in December

LowModerateHighVery highExtreme

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

Under clear skies, the midday UV index in Izyum peaks around June 21 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJun 21UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr5Moderate
May5Moderate
Jun8Very high
Jul7High
Aug5High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Izyum in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Izyum is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodMar 1815 µg/m³Dec 207 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar15Moderate
Apr11Good
May8Good
Jun10Good
Jul13Moderate
Aug11Good
Sep8Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Izyum?

Izyum sits at 49.2°N, 37.3°E, 71 m above sea level, in Ukraine. The nearest listed city is Balakliya, 42 km away.

Topography around Izyum

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

Within 3 km, the terrain around Izyum has only modest variations in elevation — a maximum elevation change of 116 m around an average of 77 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, only modest variations in elevation — a maximum elevation change of 212 m.

The land around Izyum is covered by trees (50%) and artificial surfaces (25%) within 3 km, trees (43%) and cropland (40%) within 16 km, and cropland (65%) within 80 km.

3 km
116 m
16 km
143 m
80 km
212 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Balakliya 42 km · Lyman 46 km · Slovyansk 46 km · Kivsharivka 55 km · Kramatorsk 57 km · Sotsmisto 57 km · Sonyachnyi 59 km · Kupyansk 61 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 Izyum (49.207°, 37.2768°, elevation 71 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).