Bayanhongor weather in October

In October, Bayanhongor sees average daytime highs of 6°C and overnight lows near -7°C, with 9 mm of precipitation across 2.2 wet days and about 10.7 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 9°C in the first days to 2°C by the end. The sky is clear or mostly clear about 64% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 9 h 54 min by month's end. Set against the rest of the year, October is Bayanhongor's 4th-clearest and 8th-windiest month. For the whole year in context, see Bayanhongor's year-round climate.

Daytime high
7th warmest
Overnight low
-7°
6th coldest
Precipitation
9 mm
2.2 wet days
Daylight
10 h 42 min
7:42 AM – 6:22 PM
Cloud cover
31%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
3.61 kWh/m²
Travel score
0.8
out of 10

Bayanhongor is city in Bayankhongor Province, Mongolia.

Density
483/km²
people per km²

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 2°C by the end.

A typical October day in Bayanhongor reaches about 6°C in the afternoon and slips back to -7°C overnight — a 12°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 8°C cooler than September and about 10°C warmer than November.

-20°-10°10°20°151015202531
Avg high (°C)Avg low (°C)
110-3
210-3
39-3
49-3
59-4
69-4
78-4
88-5
98-5
107-5
117-5
127-6
136-6
146-6
156-6
166-7
175-7
185-7
195-7
204-8
214-8
224-8
233-8
243-9
253-9
263-9
272-9
282-10
292-10
301-10
311-10

How October really feels in Bayanhongor

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
18 feel bitter (≤ -10°C)

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

Bayanhongor weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-13° / -25°10.40.88.80.0
Feb-9° / -22°311.4100.0
Mar-1° / -14°71.82.511.60.0
Apr / -5°143.52.813.31.4
May14° / 245.22.114.74.7
Jun20° / 398.20.315.56.4
Jul21° / 10°6210.8015.26.4
Aug20° / 447.90146.7
Sep14° / 2041.112.34.8
Oct / -7°92.22.110.70.8
Nov-4° / -16°30.91.59.20.0
Dec-11° / -22°20.60.98.50.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% 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 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67525
77525
87624
97723
107723
117723
127723
137624
147624
157624
167723
177723
187723
197723
207723
217723
227723
237822
247822
257822
267822
277921
287921
298020
308020
318020

Chance of precipitation in October

Any precipitationSnow

Bayanhongor gets around 9 mm of rain and snow over 2.2 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 7% and peaks near 8% on the wettest days, and about 2 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
185
285
385
485
585
686
786
886
986
1076
1176
1276
1376
1477
1577
1677
1777
1877
1977
2078
2178
2278
2378
2478
2568
2667
2767
2867
2967
3067
3157

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 8 km/h in October.

Across October, daily wind ranges from about 8 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
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over October. Sunrise moves from 7:22 AM to 8:04 AM, and sunset from 6:51 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:226:51
211.47:236:49
311.47:246:47
411.37:266:45
511.37:276:43
611.27:286:41
711.17:306:39
811.17:316:37
911.07:336:35
1011.07:346:33
1110.97:356:31
1210.97:376:29
1310.87:386:27
1410.87:406:26
1510.77:416:24
1610.77:426:22
1710.67:446:20
1810.67:456:18
1910.57:476:17
2010.47:486:15
2110.47:496:13
2210.37:516:12
2310.37:526:10
2410.27:546:08
2510.27:556:07
2610.17:576:05
2710.17:586:03
2810.08:006:02
2910.08:016:00
309.98:035:59
319.98:045:57

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.61 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 6.96 kWh/m² in June across the year — October's 3.61 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Moderate
94.0Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.1Moderate
273.1Moderate
283.0Moderate
293.0Moderate
303.0Moderate
312.9Moderate
Planning a trip in October

Is October a good time to visit Bayanhongor?

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

0.8
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 Bayanhongor.

What to pack for Bayanhongor in October

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

In October, Bayanhongor sees daytime highs around 6°C and nights near -7°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Bayanhongor 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 Bayanhongor peaks around July 19 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 19UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Bayanhongor 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 Bayanhongor is worst in June — around 18 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (December, 3 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1218 µg/m³Dec 184 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar14Moderate
Apr14Moderate
May18Moderate
Jun18Moderate
Jul16Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec3Good
Location & terrain

Where is Bayanhongor?

Bayanhongor sits at 46.2°N, 100.7°E, 1,873 m above sea level, in Mongolia. The nearest listed city is Tsetserleg, 153 km away.

TsetserlegArvayheerBogdHovdUliastayAltaiBulganMörön

Topography around Bayanhongor

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

Within 3 km, the terrain around Bayanhongor has significant variations in elevation — a maximum elevation change of 277 m around an average of 1,905 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 742 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,165 m.

The land around Bayanhongor is covered by grassland (53%) and bare terrain (35%) within 3 km, grassland (83%) within 16 km, and grassland (76%) and bare terrain (23%) within 80 km.

3 km
277 m
16 km
742 m
80 km
2,165 m
treesshrubsgrasslandartificial surfacesbare terrain
October weather nearby: Tsetserleg 153 km · Arvayheer 158 km · Bogd 204 km · Hovd 214 km · Uliastay 341 km · Altai 343 km · Bulgan 360 km · Mörön 385 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 Bayanhongor (46.1944°, 100.7181°, elevation 1,873 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).