Baykal’sk weather in April

In April, Baykal’sk sees average daytime highs of 4°C and overnight lows near -3°C, with 35 mm of precipitation across 8.7 wet days and about 13.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 1°C in the first days to 6°C by the end. The sky is clear or mostly clear about 25% 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 Baykal’sk's 7th-clearest and 3rd-windiest month. For the whole year in context, see Baykal’sk's year-round climate.

Daytime high: 4°; 7th warmest
Overnight low: -3°; 6th coldest
Precipitation: 35 mm; 8.7 wet days
Daylight: 13 h 36 min; 6:16 AM – 7:51 PM
Cloud cover: 61%; 7th clearest
Wind: 11 km/h; 3rd windiest
Solar energy: 5.43 kWh/m²
Travel score: 0.1; out of 10

Baykal’sk is town in Slyudyansky District, Irkutsk Oblast, Russia.

Density: 19/km²; people per km²
Founded: 1961

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

← March Baykal’sk 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 1°C in the first days to 6°C by the end.

A typical April day in Baykal’sk reaches about 4°C in the afternoon and slips back to -3°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 9°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°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)	1	1	1	2	2	2	2	2	2	3	3	3	3	3	3	4	4	4	4	4	5	5	5	5	5	5	6	6	6	6
Avg low (°C)	-6	-5	-5	-5	-5	-5	-4	-4	-4	-4	-4	-4	-4	-3	-3	-3	-3	-3	-3	-2	-2	-2	-2	-2	-2	-2	-1	-1	-1	-1

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

How April really feels in Baykal’sk

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

1 feel bitter (≤ -10°C)

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

Baykal’sk weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-13° / -18°	11	4.1	6.9	8.1	0.0
Feb	-10° / -16°	10	3.5	5.3	9.6	0.0
Mar	-4° / -10°	22	6.5	7.6	11.5	0.0
Apr	4° / -3°	35	8.7	7.8	13.5	0.1
May	10° / 2°	60	10.8	4.5	15.3	2.0
Jun	16° / 9°	96	13.1	0.4	16.3	4.4
Jul	18° / 13°	151	15.5	0	15.9	5.2
Aug	18° / 13°	162	15.7	0.1	14.4	5.1
Sep	13° / 8°	113	14.3	3.5	12.4	3.3
Oct	6° / 0°	55	10.9	8.4	10.4	0.7
Nov	-2° / -7°	44	12.2	14.2	8.6	0.0
Dec	-8° / -13°	27	8.9	12	7.7	0.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 58%.

	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 (%)	43	42	42	42	42	42	41	41	41	41	41	40	40	41	41	41	41	42	42	41	42	43	44	44	44	45	45	45	47	47
Cloudier (%)	57	58	58	58	58	58	59	59	59	59	59	60	60	59	59	59	59	58	58	59	58	57	56	56	56	55	55	55	53	53

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	42	58
4	42	58
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	40	60
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	42	58
20	41	59
21	42	58
22	43	57
23	44	56
24	44	56
25	44	56
26	45	55
27	45	55
28	45	55
29	47	53
30	47	53

Chance of precipitation in April

Any precipitationSnow

Baykal’sk gets around 35 mm of rain and snow over 8.7 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 31% 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 (%)	24	25	25	25	26	26	26	26	27	27	27	28	28	28	28	28	29	29	29	29	30	30	30	31	31	31	31	31	31	31
Snow chance (%)	26	27	27	27	27	27	27	27	27	27	27	26	26	26	26	26	26	26	25	25	25	25	25	25	25	25	25	24	24	23

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

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 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12
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	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	12	calm
23	12	calm
24	12	calm
25	12	calm
26	12	calm
27	12	calm
28	12	calm
29	12	calm
30	12	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 6:50 AM to 5:47 AM, and sunset from 7:26 PM to 8:15 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	13.8	13.9	14.0	14.0	14.1	14.2	14.2	14.3	14.3	14.4	14.5
Sunrise (AM)	6:50	6:48	6:46	6:43	6:41	6:39	6:36	6:34	6:32	6:30	6:27	6:25	6:23	6:20	6:18	6:16	6:14	6:12	6:09	6:07	6:05	6:03	6:01	5:59	5:57	5:55	5:53	5:51	5:49	5:47
Sunset (PM)	7:26	7:28	7:29	7:31	7:33	7:34	7:36	7:38	7:39	7:41	7:43	7:45	7:46	7:48	7:50	7:51	7:53	7:55	7:56	7:58	8:00	8:01	8:03	8:05	8:07	8:08	8:10	8:12	8:13	8:15

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.6	6:50	7:26
2	12.7	6:48	7:28
3	12.7	6:46	7:29
4	12.8	6:43	7:31
5	12.9	6:41	7:33
6	12.9	6:39	7:34
7	13.0	6:36	7:36
8	13.1	6:34	7:38
9	13.1	6:32	7:39
10	13.2	6:30	7:41
11	13.3	6:27	7:43
12	13.3	6:25	7:45
13	13.4	6:23	7:46
14	13.5	6:20	7:48
15	13.5	6:18	7:50
16	13.6	6:16	7:51
17	13.7	6:14	7:53
18	13.7	6:12	7:55
19	13.8	6:09	7:56
20	13.8	6:07	7:58
21	13.9	6:05	8:00
22	14.0	6:03	8:01
23	14.0	6:01	8:03
24	14.1	5:59	8:05
25	14.2	5:57	8:07
26	14.2	5:55	8:08
27	14.3	5:53	8:10
28	14.3	5:51	8:12
29	14.4	5:49	8:13
30	14.5	5:47	8:15

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.43 kWh/m².

For context, solar energy here swings from a low near 0.87 kWh/m² to a high of 6.2 kWh/m² in May across the year — April's 5.43 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)	4.8	4.9	4.9	5.0	5.0	5.0	5.1	5.1	5.2	5.2	5.3	5.3	5.3	5.4	5.4	5.5	5.5	5.5	5.6	5.6	5.7	5.7	5.7	5.8	5.8	5.8	5.8	5.9	5.9	5.9
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	4.8	Bright
2	4.9	Bright
3	4.9	Bright
4	5.0	Bright
5	5.0	Bright
6	5.0	Bright
7	5.1	Bright
8	5.1	Bright
9	5.2	Bright
10	5.2	Bright
11	5.3	Bright
12	5.3	Bright
13	5.3	Bright
14	5.4	Bright
15	5.4	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.6	Bright
20	5.6	Bright
21	5.7	Bright
22	5.7	Bright
23	5.7	Bright
24	5.8	Bright
25	5.8	Bright
26	5.8	Bright
27	5.8	Bright
28	5.9	Bright
29	5.9	Bright
30	5.9	Bright

Planning a trip in April

Hazard calendar for Baykal’sk

In seasonPeak

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

Baykal’sk's rainy season runs June–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 Baykal’sk?

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

0.1

Sightseeing

7th-best month of the year

0.0

Beach & pool

6th-best month of the year

April is a weaker month for outdoor sightseeing in Baykal’sk.

What to pack for Baykal’sk in April

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

In April, Baykal’sk sees daytime highs around 4°C and nights near -3°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 9 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Baykal’sk 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 Baykal’sk peaks around July 12 at about 7 (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	6	7	5	4	2	1	1
Level	Low	Low	Moderate	High	High	High	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	6	High
Jul	7	High
Aug	5	High
Sep	4	Moderate
Oct	2	Low
Nov	1	Low
Dec	1	Low

Air quality in Baykal’sk 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 Baykal’sk is worst in June — around 17 µg/m³ PM2.5 (moderate), about 3.7× 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	11	17	14	12	6	5	5	5
Level	Good	Good	Good	Good	Good	Moderate	Moderate	Good	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	7	Good
Feb	8	Good
Mar	9	Good
Apr	12	Good
May	11	Good
Jun	17	Moderate
Jul	14	Moderate
Aug	12	Good
Sep	6	Good
Oct	5	Good
Nov	5	Good
Dec	5	Good

Location & terrain

Where is Baykal’sk?

Baykal’sk sits at 51.5°N, 104.1°E, 495 m above sea level, in Russia. The nearest listed city is Slyudyanka, 34 km away.

Topography around Baykal’sk

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

Within 3 km, the terrain around Baykal’sk has significant variations in elevation — a maximum elevation change of 541 m around an average of 537 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,663 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Baykal’sk is covered by trees (67%) and water (23%) within 3 km, trees (51%) and water (44%) within 16 km, and trees (68%) within 80 km.

3 km

541 m

trees 67%

16 km

1,663 m

trees 51%

80 km

1,962 m

trees 68%

treesgrasslandartificial surfacesbare terrainwatermoss and lichen

← March Baykal’sk year-round climate May →Best places to visit in April

April weather nearby: Slyudyanka 34 km · Markova 77 km · Shelekhov 78 km · Irkutsk 87 km · Angarsk 117 km · Usol’ye-Sibirskoye 142 km · Gusinoozyorsk 166 km · Cheremkhovo 195 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 Baykal’sk (51.515°, 104.1402°, elevation 495 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	1	-6
2	1	-5
3	1	-5
4	2	-5
5	2	-5
6	2	-5
7	2	-4
8	2	-4
9	2	-4
10	3	-4
11	3	-4
12	3	-4
13	3	-4
14	3	-3
15	3	-3
16	4	-3
17	4	-3
18	4	-3
19	4	-3
20	4	-2
21	5	-2
22	5	-2
23	5	-2
24	5	-2
25	5	-2
26	5	-2
27	6	-1
28	6	-1
29	6	-1
30	6	-1

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	42	58
4	42	58
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	40	60
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	42	58
20	41	59
21	42	58
22	43	57
23	44	56
24	44	56
25	44	56
26	45	55
27	45	55
28	45	55
29	47	53
30	47	53

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

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

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	42	58
4	42	58
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	40	60
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	42	58
20	41	59
21	42	58
22	43	57
23	44	56
24	44	56
25	44	56
26	45	55
27	45	55
28	45	55
29	47	53
30	47	53

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

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

	Clearer (%)	Cloudier (%)
1	43	57
2	42	58
3	42	58
4	42	58
5	42	58
6	42	58
7	41	59
8	41	59
9	41	59
10	41	59
11	41	59
12	40	60
13	40	60
14	41	59
15	41	59
16	41	59
17	41	59
18	42	58
19	42	58
20	41	59
21	42	58
22	43	57
23	44	56
24	44	56
25	44	56
26	45	55
27	45	55
28	45	55
29	47	53
30	47	53

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

	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