Sayansk weather in October

In October, Sayansk sees average daytime highs of 5°C and overnight lows near -4°C, with 22 mm of precipitation across 6.5 wet days and about 10.2 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 1°C by the end. The sky is clear or mostly clear about 20% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of October to 9 h 12 min by month's end. Set against the rest of the year, October is Sayansk's 4th-clearest and 5th-windiest month. For the whole year in context, see Sayansk's year-round climate.

Daytime high
7th warmest
Overnight low
-4°
6th coldest
Precipitation
22 mm
6.5 wet days
Daylight
10 h 12 min
7:50 AM – 6:03 PM
Cloud cover
66%
4th clearest
Wind
9 km/h
5th windiest
Solar energy
2.03 kWh/m²
Travel score
0.6
out of 10

Sayansk is Hy.

Density
530/km²
people per km²
Founded
1970

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 1°C by the end.

A typical October day in Sayansk reaches about 5°C in the afternoon and slips back to -4°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between -1°C and 11°C. Set against its neighbours, October runs about 9°C cooler than September and about 12°C warmer than November.

-20°-10°10°20°151015202531
Avg high (°C)Avg low (°C)
1100
210-1
39-1
49-1
59-1
69-2
78-2
88-2
98-2
107-3
117-3
127-3
136-3
146-4
156-4
165-4
175-4
184-5
194-5
204-5
213-5
223-6
233-6
242-6
252-7
262-7
271-7
281-7
291-8
300-8
310-8

How October really feels in Sayansk

Once humidity and wind are folded in, October 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
10 feel bitter (≤ -10°C)

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

Sayansk weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-17° / -25°624.27.70.0
Feb-11° / -22°62.23.99.40.0
Mar-1° / -14°103.24.411.50.0
Apr / -3°2263.313.71.7
May17° / 399.10.915.75.2
Jun23° / 10°6610.8016.86.5
Jul24° / 13°8012.1016.46.5
Aug22° / 11°7510.9014.66.4
Sep14° / 5510.20.612.54.1
Oct / -4°226.53.710.20.6
Nov-7° / -15°144.96.68.30.0
Dec-15° / -23°134.26.67.20.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43565
53565
63565
73565
83565
93565
103466
113466
123466
133466
143367
153367
163466
173466
183466
193466
203367
213367
223367
233367
243367
253268
263268
273268
283367
293367
303367
313367

Chance of precipitation in October

Any precipitationSnow

Sayansk gets around 22 mm of rain and snow over 6.5 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 22% and peaks near 26% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1264
2254
3254
4245
5235
6235
7226
8226
9227
10227
11218
12219
132110
142111
152112
162112
172113
182114
192115
202116
212116
222117
232118
242118
252119
262119
272120
282120
292020
302021
312021

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 9 km/h in October.

Across October, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 18 min at the start of October to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over October. Sunrise moves from 7:21 AM to 8:20 AM, and sunset from 6:40 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.37:216:40
211.27:236:37
311.27:256:35
411.17:276:32
511.07:286:30
610.97:306:27
710.97:326:25
810.87:346:22
910.77:366:20
1010.77:386:17
1110.67:406:15
1210.57:426:12
1310.47:446:10
1410.47:466:08
1510.37:486:05
1610.27:506:03
1710.17:526:00
1810.17:545:58
1910.07:565:56
209.97:585:54
219.98:005:51
229.88:025:49
239.78:045:47
249.78:065:45
259.68:085:43
269.58:105:40
279.48:125:38
289.48:145:36
299.38:165:34
309.28:185:32
319.28:205:30

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.03 kWh/m².

For context, solar energy here swings from a low near 0.69 kWh/m² to a high of 6.1 kWh/m² in June across the year — October's 2.03 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.6Moderate
22.6Moderate
32.6Moderate
42.5Moderate
52.5Moderate
62.4Moderate
72.4Moderate
82.4Moderate
92.3Moderate
102.3Moderate
112.2Moderate
122.2Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.0Moderate
172.0Dim
181.9Dim
191.9Dim
201.9Dim
211.8Dim
221.8Dim
231.8Dim
241.7Dim
251.7Dim
261.6Dim
271.6Dim
281.6Dim
291.6Dim
301.5Dim
311.5Dim
Planning a trip in October

Is October a good time to visit Sayansk?

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

0.6
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

October is a weaker month for outdoor sightseeing in Sayansk.

What to pack for Sayansk in October

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

In October, Sayansk sees daytime highs around 5°C and nights near -4°C. Pack a warm layer and a heavy coat. About 7 days see rain.

a warm layera heavy coat

UV index in Sayansk 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 Sayansk peaks around July 11 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 11UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Low
Apr4Moderate
May5High
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Sayansk 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 Sayansk is worst in May — around 24 µg/m³ PM2.5 (moderate), about 8.2× the cleanest month (December, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1223 µg/m³Dec 143 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar7Good
Apr21Moderate
May24Moderate
Jun12Good
Jul15Moderate
Aug13Moderate
Sep7Good
Oct7Good
Nov4Good
Dec3Good
Location & terrain

Where is Sayansk?

Sayansk sits at 54.1°N, 102.2°E, 553 m above sea level, in Russia. The nearest listed city is Zima, 23 km away.

Topography around Sayansk

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

Within 3 km, the terrain around Sayansk has only modest variations in elevation — a maximum elevation change of 133 m around an average of 543 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 464 m.

The land around Sayansk is covered by trees (88%) within 3 km, trees (67%) and grassland (24%) within 16 km, and trees (63%) and grassland (22%) within 80 km.

3 km
133 m
16 km
215 m
80 km
464 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Zima 23 km · Tulun 115 km · Cheremkhovo 123 km · Usol’ye-Sibirskoye 180 km · Angarsk 208 km · Nizhneudinsk 221 km · Bratsk 227 km · Vikhorevka 232 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 Sayansk (54.1129°, 102.1777°, elevation 553 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).