Ölgii weather in October

In October, Ölgii sees average daytime highs of 4°C and overnight lows near -8°C, with 5 mm of precipitation across 1.8 wet days and about 10.5 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 8°C in the first days to -0°C by the end. The sky is clear or mostly clear about 50% 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 42 min by month's end. Set against the rest of the year, October is Ölgii's 2nd-clearest and 6th-windiest month. For the whole year in context, see Ölgii's year-round climate.

Daytime high
7th warmest
Overnight low
-8°
6th coldest
Precipitation
5 mm
1.8 wet days
Daylight
10 h 30 min
7:30 AM – 6:01 PM
Cloud cover
41%
2nd clearest
Wind
9 km/h
6th windiest
Solar energy
3.16 kWh/m²
Travel score
0.4
out of 10

Ölgii is capital-city of the Bayan-Ölgii aimag in Mongolia.

Density
1,893/km²
people per km²
Founded
1940

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 8°C in the first days to -0°C by the end.

A typical October day in Ölgii reaches about 4°C in the afternoon and slips back to -8°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between -2°C and 9°C. Set against its neighbours, October runs about 9°C cooler than September and about 11°C warmer than November.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
19-3
28-3
38-4
48-4
57-4
67-5
77-5
87-5
96-5
106-6
116-6
125-6
135-6
145-7
154-7
164-7
174-8
183-8
193-8
203-9
212-9
222-9
232-10
242-10
251-10
261-11
271-11
280-11
290-12
300-12
31-1-12

How October really feels in Ölgii

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
20 feel bitter (≤ -10°C)

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

Ölgii weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-16° / -28°00.10.28.50.0
Feb-11° / -24°10.50.69.80.0
Mar-3° / -16°61.72.111.60.0
Apr / -5°123.62.713.41.1
May13° / 245.22.2154.3
Jun19° / 378.30.515.96.2
Jul21° / 10°469.7015.66.5
Aug19° / 337.10.114.26.6
Sep13° / 123.51.212.44.1
Oct / -8°51.81.610.50.4
Nov-7° / -18°311.38.90.0
Dec-15° / -25°10.20.48.10.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66832
76832
86931
96832
106931
116931
126931
136832
146832
156832
166832
176832
186832
196832
206733
216733
226733
236733
246733
256634
266733
276733
286733
296733
306733
316733

Chance of precipitation in October

Any precipitationSnow

Ölgii gets around 5 mm of rain and snow over 1.8 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 6% and peaks near 9% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
195
285
385
485
575
675
775
875
975
1075
1176
1276
1376
1476
1577
1677
1767
1867
1967
2067
2166
2256
2356
2456
2555
2655
2745
2845
2945
3045
3145

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 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 7:06 AM to 7:54 AM, and sunset from 6:32 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:066:32
211.47:086:30
311.37:096:28
411.27:116:26
511.27:126:23
611.17:146:21
711.17:156:19
811.07:176:17
910.97:196:15
1010.97:206:13
1110.87:226:11
1210.87:236:09
1310.77:256:07
1410.67:266:05
1510.67:286:03
1610.57:306:01
1710.57:315:59
1810.47:335:57
1910.37:345:55
2010.37:365:53
2110.27:385:51
2210.27:395:49
2310.17:415:48
2410.17:425:46
2510.07:445:44
269.97:465:42
279.97:475:40
289.87:495:39
299.87:505:37
309.77:525:35
319.77:545:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.16 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 7.1 kWh/m² in June across the year — October's 3.16 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Is October a good time to visit Ölgii?

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

0.4
Sightseeing
7th-best month of the year
0.0
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Ölgii.

What to pack for Ölgii in October

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

In October, Ölgii sees daytime highs around 4°C and nights near -8°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Ölgii in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ölgii peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowJul 17UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May9Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Ölgii?

Ölgii sits at 49.0°N, 90.0°E, 1,715 m above sea level, in Mongolia. The nearest listed city is Khovd, 164 km away.

KhovdUlaangomAbazaGorno-AltayskKyzylMayma

Topography around Ölgii

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

Within 3 km, the terrain around Ölgii has significant variations in elevation — a maximum elevation change of 304 m around an average of 1,734 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,132 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,848 m.

The land around Ölgii is covered by bare terrain (53%) and grassland (30%) within 3 km, grassland (75%) and bare terrain (23%) within 16 km, and grassland (65%) and bare terrain (25%) within 80 km.

3 km
304 m
16 km
1,132 m
80 km
2,848 m
grasslandartificial surfacesbare terrainwaterwetlandmoss and lichen
October weather nearby: Khovd 164 km · Ulaangom 189 km · Abaza 410 km · Zaysan 412 km · Altay 422 km · Gorno-Altaysk 439 km · Kyzyl 440 km · Mayma 443 km

Mongolia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$7,108
2025
Happiness
5.9 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
5.9
per 100k, 2023
Road deaths
21
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 447
Religion
Buddhist 52%no religion 41%Muslim 3%Shaman 3%

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 Ölgii (48.9683°, 89.9625°, elevation 1,715 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).