Isil’kul’ weather in December

In December, Isil’kul’ sees average daytime highs of -10°C and overnight lows near -17°C, with 21 mm of precipitation across 6.3 wet days and about 7 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about -8°C in the first days to -12°C by the end. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels dry.

Daylight stretches from about 7 h 18 min at the start of December to 7 hours by month's end. Set against the rest of the year, December is Isil’kul’'s 12th-clearest and 2nd-windiest month. For the whole year in context, see Isil’kul’'s year-round climate.

Daytime high
-10°
10th warmest
Overnight low
-17°
3rd coldest
Precipitation
21 mm
6.3 wet days
Daylight
7 hours
9:42 AM – 4:40 PM
Cloud cover
87%
12th clearest
Wind
14 km/h
2nd windiest
Solar energy
0.48 kWh/m²
Travel score
0.0
out of 10

Isil’kul’ is town in Omsk Oblast, Russia.

Density
144/km²
people per km²
Founded
1895

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about -8°C in the first days to -12°C by the end.

A typical December day in Isil’kul’ reaches about -10°C in the afternoon and slips back to -17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -21°C and -2°C. Set against its neighbours, December runs about 7°C cooler than November and about 2°C warmer than January.

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

How December really feels in Isil’kul’

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
31 feel bitter (≤ -10°C)

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

Isil’kul’ weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -20°14567.60.0
Feb-10° / -18°134.45.49.30.0
Mar-2° / -11°195.65.311.40.0
Apr / -1°316.82.413.82.1
May18° / 378.20.415.86.0
Jun23° / 12°5310.50176.6
Jul24° / 14°7011.9016.56.7
Aug22° / 12°6510.3014.76.5
Sep16° / 398.9012.54.7
Oct / -0°338.13.310.21.3
Nov-4° / -10°287.86.98.10.0
Dec-10° / -17°216.37.770.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31288
41189
51189
61189
71090
81090
91090
101090
111090
121090
131189
141288
151288
161288
171288
181288
191387
201387
211387
221387
231387
241387
251387
261486
271387
281288
291288
301288
311288

Chance of precipitation in December

Any precipitationSnow

Isil’kul’ gets around 21 mm of rain and snow over 6.3 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 20% and peaks near 22% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
12125
22125
32125
42125
52025
62025
72024
82024
91924
101924
111923
121923
131923
141923
151923
161923
172023
182023
192024
202124
212124
222125
232225
242226
252226
262226
272226
282126
292125
302125
312025

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 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 7 h 18 min at the start of December to 7 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 9:24 AM to 9:48 AM, and sunset from 4:45 PM to 4:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
17.39:244:45
27.39:264:44
37.39:274:43
47.29:294:43
57.29:304:42
67.29:324:42
77.19:334:41
87.19:344:41
97.19:354:40
107.19:374:40
117.09:384:40
127.09:394:40
137.09:404:40
147.09:414:40
157.09:424:40
167.09:424:40
176.99:434:40
186.99:444:40
196.99:454:40
206.99:454:41
216.99:464:41
226.99:464:41
236.99:474:42
246.99:474:43
256.99:474:43
266.99:484:44
276.99:484:45
287.09:484:45
297.09:484:46
307.09:484:47
317.09:484:48

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.48 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.48 kWh/m² to a high of 5.97 kWh/m² in June across the year — December's 0.48 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.6Dim
20.5Dim
30.5Dim
40.5Dim
50.5Dim
60.5Dim
70.5Dim
80.5Dim
90.5Dim
100.5Dim
110.5Dim
120.5Dim
130.5Dim
140.5Dim
150.5Dim
160.5Dim
170.5Dim
180.5Dim
190.5Dim
200.5Dim
210.5Dim
220.5Dim
230.5Dim
240.5Dim
250.5Dim
260.5Dim
270.5Dim
280.5Dim
290.5Dim
300.5Dim
310.5Dim
Planning a trip in December

Is December a good time to visit Isil’kul’?

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

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

December is a weaker month for outdoor sightseeing in Isil’kul’.

What to pack for Isil’kul’ in December

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

In December, Isil’kul’ sees daytime highs around -10°C and nights near -17°C. Pack a warm layer and a heavy coat. About 6 days see rain.

a warm layera heavy coat

UV index in Isil’kul’ in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 0. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isil’kul’ peaks around June 22 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 22 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 22UV 6Dec 22UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug4Moderate
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Isil’kul’ 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 Isil’kul’ is worst in April — around 16 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (December, 4 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1715 µg/m³Dec 224 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar9Good
Apr16Moderate
May10Good
Jun8Good
Jul13Moderate
Aug8Good
Sep6Good
Oct8Good
Nov7Good
Dec4Good
Location & terrain

Where is Isil’kul’?

Isil’kul’ sits at 54.9°N, 71.3°E, 118 m above sea level, in Russia. The nearest listed city is Omsk, 134 km away.

Topography around Isil’kul’

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

Within 3 km, the terrain around Isil’kul’ has only modest variations in elevation — a maximum elevation change of 22 m around an average of 126 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 100 m.

The land around Isil’kul’ is covered by grassland (36%) and artificial surfaces (27%) within 3 km, cropland (61%) within 16 km, and cropland (49%) and grassland (31%) within 80 km.

3 km
22 m
16 km
43 m
80 km
100 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Omsk 134 km · Petropavl 136 km · Ishim 174 km · Akkol’ 210 km · Kalachinsk 212 km · Kokshetau 219 km · Shchuchinsk 231 km · Makinsk 260 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Isil’kul’ (54.9121°, 71.2718°, elevation 118 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).