Slyudyanka weather in April

In April, Slyudyanka sees average daytime highs of 7°C and overnight lows near -5°C, with 38 mm of precipitation across 9.9 wet days and about 13.6 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 4°C in the first days to 10°C by the end. The sky is clear or mostly clear about 19% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of April to 14 h 30 min by month's end. Set against the rest of the year, April is Slyudyanka's 11th-clearest and 2nd-windiest month. For the whole year in context, see Slyudyanka's year-round climate.

Daytime high: 7°; 6th warmest
Overnight low: -5°; 6th coldest
Precipitation: 38 mm; 9.9 wet days
Daylight: 13 h 36 min; 6:17 AM – 7:53 PM
Cloud cover: 67%; 11th clearest
Wind: 8 km/h; 2nd windiest
Solar energy: 5.17 kWh/m²
Travel score: 0.9; out of 10

Slyudyanka is town in Slyudyansky District, Irkutsk Oblast, Russia.

Density: 495/km²; people per km²
Founded: 1899

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

← March Slyudyanka year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 4°C in the first days to 10°C by the end.

A typical April day in Slyudyanka reaches about 7°C in the afternoon and slips back to -5°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between -0°C and 15°C. Set against its neighbours, April runs about 9°C warmer than March and about 7°C cooler than May.

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

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

How April really feels in Slyudyanka

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

heat index over the day's high

Days feeling ≤ 0°C

10 feel bitter (≤ -10°C)

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

Slyudyanka weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-14° / -25°	7	2.7	4.5	8.1	0.0
Feb	-10° / -22°	8	2.9	4.1	9.6	0.0
Mar	-2° / -15°	22	6.6	7.7	11.5	0.0
Apr	7° / -5°	38	9.9	8.4	13.6	0.9
May	14° / 2°	64	12.3	4.3	15.3	3.9
Jun	19° / 8°	100	14.5	0.2	16.3	5.4
Jul	21° / 11°	133	16.3	0	15.9	5.4
Aug	19° / 10°	131	15.8	0	14.4	5.3
Sep	14° / 3°	83	13.4	2.8	12.4	3.6
Oct	6° / -4°	35	8.5	7.3	10.4	0.7
Nov	-5° / -14°	21	6.6	8	8.6	0.0
Dec	-12° / -21°	12	4.3	6.1	7.7	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 68%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	36	36	35	35	35	34	34	33	33	32	32	31	31	31	31	32	31	31	31	31	31	30	30	30	32	32	32	32	33	34
Cloudier (%)	64	64	65	65	65	66	66	67	67	68	68	69	69	69	69	68	69	69	69	69	69	70	70	70	68	68	68	68	67	66

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	35	65
5	35	65
6	34	66
7	34	66
8	33	67
9	33	67
10	32	68
11	32	68
12	31	69
13	31	69
14	31	69
15	31	69
16	32	68
17	31	69
18	31	69
19	31	69
20	31	69
21	31	69
22	30	70
23	30	70
24	30	70
25	32	68
26	32	68
27	32	68
28	32	68
29	33	67
30	34	66

Chance of precipitation in April

Any precipitationSnow

Slyudyanka gets around 38 mm of rain and snow over 9.9 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 33% and peaks near 36% on the wettest days, and about 8 days bring snow. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	26	27	27	28	28	29	29	30	31	31	32	33	33	34	34	35	35	35	35	36	36	36	36	36	36	36	36	36	35	36
Snow chance (%)	27	28	28	28	28	28	28	28	29	29	29	29	29	29	29	28	28	28	28	28	28	28	28	27	27	27	26	26	25	25

	Rain chance (%)	Snow chance (%)
1	26	27
2	27	28
3	27	28
4	28	28
5	28	28
6	29	28
7	29	28
8	30	28
9	31	29
10	31	29
11	32	29
12	33	29
13	33	29
14	34	29
15	34	29
16	35	28
17	35	28
18	35	28
19	35	28
20	36	28
21	36	28
22	36	28
23	36	28
24	36	27
25	36	27
26	36	27
27	36	26
28	36	26
29	35	25
30	36	25

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	7	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	7	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 36 min at the start of April to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 114 minutes over April. Sunrise moves from 6:52 AM to 5:48 AM, and sunset from 7:28 PM to 8:17 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.6	12.7	12.7	12.8	12.9	12.9	13.0	13.1	13.1	13.2	13.3	13.3	13.4	13.5	13.5	13.6	13.7	13.7	13.8	13.9	13.9	14.0	14.0	14.1	14.2	14.2	14.3	14.4	14.4	14.5
Sunrise (AM)	6:52	6:50	6:47	6:45	6:43	6:40	6:38	6:36	6:33	6:31	6:29	6:26	6:24	6:22	6:20	6:17	6:15	6:13	6:11	6:09	6:07	6:04	6:02	6:00	5:58	5:56	5:54	5:52	5:50	5:48
Sunset (PM)	7:28	7:29	7:31	7:33	7:34	7:36	7:38	7:40	7:41	7:43	7:45	7:46	7:48	7:50	7:52	7:53	7:55	7:57	7:58	8:00	8:02	8:04	8:05	8:07	8:09	8:10	8:12	8:14	8:15	8:17

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.6	6:52	7:28
2	12.7	6:50	7:29
3	12.7	6:47	7:31
4	12.8	6:45	7:33
5	12.9	6:43	7:34
6	12.9	6:40	7:36
7	13.0	6:38	7:38
8	13.1	6:36	7:40
9	13.1	6:33	7:41
10	13.2	6:31	7:43
11	13.3	6:29	7:45
12	13.3	6:26	7:46
13	13.4	6:24	7:48
14	13.5	6:22	7:50
15	13.5	6:20	7:52
16	13.6	6:17	7:53
17	13.7	6:15	7:55
18	13.7	6:13	7:57
19	13.8	6:11	7:58
20	13.9	6:09	8:00
21	13.9	6:07	8:02
22	14.0	6:04	8:04
23	14.0	6:02	8:05
24	14.1	6:00	8:07
25	14.2	5:58	8:09
26	14.2	5:56	8:10
27	14.3	5:54	8:12
28	14.4	5:52	8:14
29	14.4	5:50	8:15
30	14.5	5:48	8:17

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.17 kWh/m².

For context, solar energy here swings from a low near 0.92 kWh/m² to a high of 5.99 kWh/m² in May across the year — April's 5.17 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.6	4.7	4.7	4.7	4.8	4.8	4.8	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.2	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.6	5.6
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.7	Bright
3	4.7	Bright
4	4.7	Bright
5	4.8	Bright
6	4.8	Bright
7	4.8	Bright
8	4.9	Bright
9	4.9	Bright
10	5.0	Bright
11	5.0	Bright
12	5.0	Bright
13	5.1	Bright
14	5.1	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.4	Bright
22	5.4	Bright
23	5.4	Bright
24	5.5	Bright
25	5.5	Bright
26	5.5	Bright
27	5.6	Bright
28	5.6	Bright
29	5.6	Bright
30	5.6	Bright

Planning a trip in April

Hazard calendar for Slyudyanka

In seasonPeak

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

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

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is April a good time to visit Slyudyanka?

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

0.9

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 Slyudyanka.

What to pack for Slyudyanka in April

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

In April, Slyudyanka sees daytime highs around 7°C and nights near -5°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 10 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Slyudyanka in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Slyudyanka peaks around July 12 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	3	6	6	7	7	5	4	2	1	1
Level	Low	Low	Moderate	High	High	High	Very high	High	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	3	Moderate
Apr	6	High
May	6	High
Jun	7	High
Jul	7	Very high
Aug	5	High
Sep	4	Moderate
Oct	2	Low
Nov	1	Low
Dec	1	Low

Air quality in Slyudyanka 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 Slyudyanka is worst in July — around 18 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (November, 5 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	7	8	9	12	10	15	18	10	6	5	5	5
Level	Good	Good	Good	Moderate	Good	Moderate	Moderate	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	7	Good
Feb	8	Good
Mar	9	Good
Apr	12	Moderate
May	10	Good
Jun	15	Moderate
Jul	18	Moderate
Aug	10	Good
Sep	6	Good
Oct	5	Good
Nov	5	Good
Dec	5	Good

Location & terrain

Where is Slyudyanka?

Slyudyanka sits at 51.7°N, 103.7°E, 477 m above sea level, in Russia. The nearest listed city is Baykal’sk, 34 km away.

Topography around Slyudyanka

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

Within 3 km, the terrain around Slyudyanka has significant variations in elevation — a maximum elevation change of 463 m around an average of 534 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,435 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,201 m.

The land around Slyudyanka is covered by trees (50%) and water (34%) within 3 km, trees (74%) and water (22%) within 16 km, and trees (74%) within 80 km.

3 km

463 m

trees 50%

16 km

1,435 m

trees 74%

80 km

2,201 m

trees 74%

treesgrasslandartificial surfaceswatermoss and lichen

← March Slyudyanka year-round climate May →Best places to visit in April

April weather nearby: Baykal’sk 34 km · Shelekhov 67 km · Markova 70 km · Irkutsk 81 km · Angarsk 101 km · Usol’ye-Sibirskoye 121 km · Cheremkhovo 171 km · Gusinoozyorsk 198 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

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 Slyudyanka (51.6621°, 103.71°, elevation 477 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).

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	35	65
5	35	65
6	34	66
7	34	66
8	33	67
9	33	67
10	32	68
11	32	68
12	31	69
13	31	69
14	31	69
15	31	69
16	32	68
17	31	69
18	31	69
19	31	69
20	31	69
21	31	69
22	30	70
23	30	70
24	30	70
25	32	68
26	32	68
27	32	68
28	32	68
29	33	67
30	34	66

	Rain chance (%)	Snow chance (%)
1	26	27
2	27	28
3	27	28
4	28	28
5	28	28
6	29	28
7	29	28
8	30	28
9	31	29
10	31	29
11	32	29
12	33	29
13	33	29
14	34	29
15	34	29
16	35	28
17	35	28
18	35	28
19	35	28
20	36	28
21	36	28
22	36	28
23	36	28
24	36	27
25	36	27
26	36	27
27	36	26
28	36	26
29	35	25
30	36	25

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	35	65
5	35	65
6	34	66
7	34	66
8	33	67
9	33	67
10	32	68
11	32	68
12	31	69
13	31	69
14	31	69
15	31	69
16	32	68
17	31	69
18	31	69
19	31	69
20	31	69
21	31	69
22	30	70
23	30	70
24	30	70
25	32	68
26	32	68
27	32	68
28	32	68
29	33	67
30	34	66

	Rain chance (%)	Snow chance (%)
1	26	27
2	27	28
3	27	28
4	28	28
5	28	28
6	29	28
7	29	28
8	30	28
9	31	29
10	31	29
11	32	29
12	33	29
13	33	29
14	34	29
15	34	29
16	35	28
17	35	28
18	35	28
19	35	28
20	36	28
21	36	28
22	36	28
23	36	28
24	36	27
25	36	27
26	36	27
27	36	26
28	36	26
29	35	25
30	36	25

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	35	65
4	35	65
5	35	65
6	34	66
7	34	66
8	33	67
9	33	67
10	32	68
11	32	68
12	31	69
13	31	69
14	31	69
15	31	69
16	32	68
17	31	69
18	31	69
19	31	69
20	31	69
21	31	69
22	30	70
23	30	70
24	30	70
25	32	68
26	32	68
27	32	68
28	32	68
29	33	67
30	34	66

	Rain chance (%)	Snow chance (%)
1	26	27
2	27	28
3	27	28
4	28	28
5	28	28
6	29	28
7	29	28
8	30	28
9	31	29
10	31	29
11	32	29
12	33	29
13	33	29
14	34	29
15	34	29
16	35	28
17	35	28
18	35	28
19	35	28
20	36	28
21	36	28
22	36	28
23	36	28
24	36	27
25	36	27
26	36	27
27	36	26
28	36	26
29	35	25
30	36	25

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100