Baykal’sk weather in October

In October, Baykal’sk sees average daytime highs of 6°C and overnight lows near 0°C, with 55 mm of precipitation across 10.9 wet days and about 10.4 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 3°C by the end. The sky is clear or mostly clear about 31% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 24 min by month's end. Set against the rest of the year, October is Baykal’sk's 3rd-clearest and 5th-windiest month. For the whole year in context, see Baykal’sk's year-round climate.

Daytime high
6th warmest
Overnight low
7th coldest
Precipitation
55 mm
10.9 wet days
Daylight
10 h 24 min
7:37 AM – 6:00 PM
Cloud cover
58%
3rd clearest
Wind
11 km/h
5th windiest
Solar energy
2.31 kWh/m²
Travel score
0.7
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.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 9°C in the first days to 3°C by the end.

A typical October day in Baykal’sk reaches about 6°C in the afternoon and slips back to 0°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 0°C and 11°C. Set against its neighbours, October runs about 7°C cooler than September and about 8°C warmer than November.

-10°-5°10°15°151015202531
Avg high (°C)Avg low (°C)
1104
294
393
493
593
683
783
882
982
1082
1172
1271
1371
1471
1561
1661
1760
1860
1950
2050
215-1
225-1
235-1
244-1
254-2
264-2
274-2
283-2
293-3
303-3
313-3

How October really feels in Baykal’sk

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 26 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
26
wind chill below the day's low

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

Baykal’sk weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -18°114.16.98.10.0
Feb-10° / -16°103.55.39.60.0
Mar-4° / -10°226.57.611.50.0
Apr / -3°358.77.813.50.1
May10° / 6010.84.515.32.0
Jun16° / 9613.10.416.34.4
Jul18° / 13°15115.5015.95.2
Aug18° / 13°16215.70.114.45.1
Sep13° / 11314.33.512.43.3
Oct / 5510.98.410.40.7
Nov-2° / -7°4412.214.28.60.0
Dec-8° / -13°278.9127.70.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44852
54852
64951
74951
84951
94951
105050
115050
124852
134852
144852
154753
164753
174654
184654
194654
204654
214654
224654
234555
244456
254357
264357
274357
284258
294258
304258
314159

Chance of precipitation in October

Any precipitationSnow

Baykal’sk gets around 55 mm of rain and snow over 10.9 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 41% on the wettest days, and about 8 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
14122
24122
34023
44023
53924
63924
73824
83725
93725
103625
113625
123626
133626
143627
153527
163527
173528
183528
193528
203529
213529
223530
233530
243531
253532
263632
273633
283634
293634
303635
313636

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October 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 October

Winds average 11 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over October. Sunrise moves from 7:11 AM to 8:04 AM, and sunset from 6:34 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:116:34
211.37:136:31
311.27:156:29
411.27:166:27
511.17:186:24
611.07:206:22
711.07:216:20
810.97:236:18
910.87:256:15
1010.87:276:13
1110.77:286:11
1210.67:306:09
1310.67:326:06
1410.57:346:04
1510.47:356:02
1610.47:376:00
1710.37:395:58
1810.27:415:56
1910.27:425:54
2010.17:445:51
2110.17:465:49
2210.07:485:47
239.97:505:45
249.97:515:43
259.87:535:41
269.77:555:39
279.77:575:38
289.67:585:36
299.68:005:34
309.58:025:32
319.48:045:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.31 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 — October's 2.31 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.9Moderate
22.9Moderate
32.8Moderate
42.8Moderate
52.7Moderate
62.7Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.4Moderate
142.4Moderate
152.3Moderate
162.3Moderate
172.3Moderate
182.2Moderate
192.2Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.0Moderate
242.0Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.8Dim
301.8Dim
311.8Dim
Planning a trip in October

Hazard calendar for Baykal’sk

In seasonPeak

None of Baykal’sk's seasonal hazards are active in October. 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 October a good time to visit Baykal’sk?

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

0.7
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

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

What to pack for Baykal’sk in October

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

In October, Baykal’sk sees daytime highs around 6°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 11 days see rain.

a warm layera heavy coatrain gear

UV index in Baykal’sk in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 2. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr6High
May6High
Jun6High
Jul7High
Aug5High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Baykal’sk in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1916 µg/m³Nov 205 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar9Good
Apr12Good
May11Good
Jun17Moderate
Jul14Moderate
Aug12Good
Sep6Good
Oct5Good
Nov5Good
Dec5Good
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
16 km
1,663 m
80 km
1,962 m
treesgrasslandartificial surfacesbare terrainwatermoss and lichen
October 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
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 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).