Zheleznogorsk-Ilimskiy weather in April

In April, Zheleznogorsk-Ilimskiy sees average daytime highs of 5°C and overnight lows near -6°C, with 27 mm of precipitation across 8.3 wet days and about 13.9 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 2°C in the first days to 8°C by the end. The sky is clear or mostly clear about 12% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of April to 15 hours by month's end. Set against the rest of the year, April is Zheleznogorsk-Ilimskiy's 6th-clearest and 1st-windiest month. For the whole year in context, see Zheleznogorsk-Ilimskiy's year-round climate.

Daytime high
6th warmest
Overnight low
-6°
6th coldest
Precipitation
27 mm
8.3 wet days
Daylight
13 h 54 min
6:06 AM – 8:01 PM
Cloud cover
74%
6th clearest
Wind
12 km/h
1st windiest
Solar energy
4.67 kWh/m²
Travel score
0.4
out of 10

Zheleznogorsk-Ilimskiy is human settlement in Nizhneilimsky District, Irkutsk Oblast, Russia.

Density
279/km²
people per km²
Founded
1948

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 2°C in the first days to 8°C by the end.

A typical April day in Zheleznogorsk-Ilimskiy reaches about 5°C in the afternoon and slips back to -6°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 12°C. Set against its neighbours, April runs about 9°C warmer than March and about 9°C cooler than May.

-20°-10°10°20°151015202530
Avg high (°C)Avg low (°C)
11-9
22-9
32-9
42-9
52-8
63-8
73-8
83-8
93-8
103-7
114-7
124-7
134-7
144-6
155-6
165-6
175-6
185-5
196-5
206-5
216-4
227-4
237-4
247-4
258-3
268-3
278-3
288-3
299-2
309-2

How April really feels in Zheleznogorsk-Ilimskiy

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
18 feel bitter (≤ -10°C)

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

Zheleznogorsk-Ilimskiy weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-19° / -26°155.797.20.0
Feb-13° / -23°134.77.29.10.0
Mar-4° / -15°185.88.511.40.0
Apr / -6°278.36.413.90.4
May14° / 4511.51.916.13.7
Jun21° / 5711017.36.2
Jul23° / 13°6711.4016.86.6
Aug20° / 10°6911.4014.96.1
Sep12° / 5311.61.212.53.0
Oct / -5°3810.28.7100.1
Nov-10° / -17°309.3127.90.0
Dec-17° / -24°237.5116.60.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12674
22674
32674
42674
52575
62575
72575
82575
92575
102575
112476
122377
132377
142377
152377
162377
172377
182278
192278
202278
212278
222278
232278
242179
252179
262179
272179
282179
292278
302278

Chance of precipitation in April

Any precipitationSnow

Zheleznogorsk-Ilimskiy gets around 27 mm of rain and snow over 8.3 wet days in April. 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 33% on the wettest days, and about 6 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
12327
22327
32427
42427
52426
62426
72426
82525
92525
102625
112624
122724
132724
142823
152823
162822
172922
182921
193020
203020
213119
223118
233118
243117
253117
263216
273215
283215
293314
303314

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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%151015202530
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

Wind in April

Winds average 12 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 42 min at the start of April to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 138 minutes over April. Sunrise moves from 6:47 AM to 5:31 AM, and sunset from 7:30 PM to 8:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:477:30
212.86:447:32
312.96:417:34
413.06:397:36
513.06:367:38
613.16:337:40
713.26:307:42
813.36:287:44
913.46:257:46
1013.46:227:49
1113.56:197:51
1213.66:177:53
1313.76:147:55
1413.86:117:57
1513.86:097:59
1613.96:068:01
1714.06:038:03
1814.16:018:06
1914.25:588:08
2014.25:568:10
2114.35:538:12
2214.45:518:14
2314.55:488:16
2414.55:458:18
2514.65:438:20
2614.75:408:22
2714.85:388:25
2814.95:368:27
2914.95:338:29
3015.05:318:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.67 kWh/m².

For context, solar energy here swings from a low near 0.46 kWh/m² to a high of 5.99 kWh/m² in June across the year — April's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.1Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Zheleznogorsk-Ilimskiy?

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

0.4
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Zheleznogorsk-Ilimskiy.

What to pack for Zheleznogorsk-Ilimskiy in April

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

In April, Zheleznogorsk-Ilimskiy sees daytime highs around 5°C and nights near -6°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 8 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Zheleznogorsk-Ilimskiy in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zheleznogorsk-Ilimskiy peaks around June 20 at about 6 (high) — a little sun protection helps at midday. It bottoms out near January 1 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 20UV 6Jan 1UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr4Moderate
May5Moderate
Jun6High
Jul5High
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low

Air quality in Zheleznogorsk-Ilimskiy in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Zheleznogorsk-Ilimskiy is worst in July — around 44 µg/m³ PM2.5 (poor), about 37.0× the cleanest month (December, 1 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodJul 1742 µg/m³Dec 171 µg/m³
PM2.5 (µg/m³)Level
Jan3Good
Feb4Good
Mar5Good
Apr8Good
May11Good
Jun24Moderate
Jul44Poor
Aug26Moderate
Sep25Moderate
Oct12Good
Nov3Good
Dec1Good
Location & terrain

Where is Zheleznogorsk-Ilimskiy?

Zheleznogorsk-Ilimskiy sits at 56.6°N, 104.1°E, 392 m above sea level, in Russia. The nearest listed city is Ust’-Kut, 104 km away.

Topography around Zheleznogorsk-Ilimskiy

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

Within 3 km, the terrain around Zheleznogorsk-Ilimskiy has significant variations in elevation — a maximum elevation change of 579 m around an average of 489 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 609 m; within 80 km, large variations in elevation — a maximum elevation change of 821 m.

The land around Zheleznogorsk-Ilimskiy is covered by trees (71%) within 3 km, trees (91%) within 16 km, and trees (97%) within 80 km.

3 km
579 m
16 km
609 m
80 km
821 m
treesgrasslandartificial surfacesbare terrainwater
April weather nearby: Ust’-Kut 104 km · Bratsk 163 km · Ust’-Ilimsk 181 km · Vikhorevka 189 km · Chunskiy 282 km · Sayansk 300 km · Tulun 316 km · Zima 324 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 Zheleznogorsk-Ilimskiy (56.5767°, 104.1297°, elevation 392 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).