Altai weather in October

In October, Altai sees average daytime highs of 6°C and overnight lows near -5°C, with 11 mm of precipitation across 3.7 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 62% 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 Altai's 2nd-clearest and 8th-windiest month. For the whole year in context, see Altai's year-round climate.

Daytime high: 6°; 7th warmest
Overnight low: -5°; 6th coldest
Precipitation: 11 mm; 3.7 wet days
Daylight: 10 h 42 min; 7:00 AM – 5:40 PM
Cloud cover: 32%; 2nd clearest
Wind: 8 km/h; 8th windiest
Solar energy: 3.55 kWh/m²
Travel score: 0.8; out of 10

Altai is Capital city of Govi-Altai Province, Mongolia.

Density: 8/km²; people per km²

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

← September Altai year-round climate November →Best places to visit in October

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 Altai reaches about 6°C in the afternoon and slips back to -5°C overnight — a 10°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 9°C warmer than November.

	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	31
Avg high (°C)	10	10	9	9	9	9	8	8	8	7	7	7	6	6	6	6	5	5	5	4	4	4	4	3	3	3	2	2	2	2	1
Avg low (°C)	-1	-1	-1	-2	-2	-2	-2	-3	-3	-3	-3	-4	-4	-4	-4	-5	-5	-5	-5	-6	-6	-6	-6	-6	-7	-7	-7	-7	-8	-8	-8

	Avg high (°C)	Avg low (°C)
1	10	-1
2	10	-1
3	9	-1
4	9	-2
5	9	-2
6	9	-2
7	8	-2
8	8	-3
9	8	-3
10	7	-3
11	7	-3
12	7	-4
13	6	-4
14	6	-4
15	6	-4
16	6	-5
17	5	-5
18	5	-5
19	5	-5
20	4	-6
21	4	-6
22	4	-6
23	4	-6
24	3	-6
25	3	-7
26	3	-7
27	2	-7
28	2	-7
29	2	-8
30	2	-8
31	1	-8

How October really feels in Altai

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

heat index over the day's high

Days feeling ≤ 0°C

9 feel bitter (≤ -10°C)

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

Altai 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-12° / -20°	1	0.2	0.6	8.8	0.0
Feb	-8° / -18°	2	0.8	1.5	10	0.0
Mar	-1° / -11°	9	2.8	3.5	11.6	0.0
Apr	8° / -3°	17	5.2	3.7	13.3	1.4
May	14° / 3°	25	6.7	2.6	14.7	4.6
Jun	20° / 9°	44	8.6	0.3	15.5	6.4
Jul	22° / 12°	56	9.4	0	15.2	6.7
Aug	20° / 9°	42	7.6	0.2	14	6.8
Sep	14° / 3°	18	4.9	1.5	12.4	4.8
Oct	6° / -5°	11	3.7	3.7	10.7	0.8
Nov	-4° / -13°	5	1.8	2.1	9.2	0.0
Dec	-10° / -18°	2	0.6	1	8.5	0.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 22%.

	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	31
Clearer (%)	78	78	78	78	78	78	78	78	78	78	78	78	78	78	77	77	77	77	78	78	78	78	78	78	78	78	78	79	79	79	78
Cloudier (%)	22	22	22	22	22	22	22	22	22	22	22	22	22	22	23	23	23	23	22	22	22	22	22	22	22	22	22	21	21	21	22

	Clearer (%)	Cloudier (%)
1	78	22
2	78	22
3	78	22
4	78	22
5	78	22
6	78	22
7	78	22
8	78	22
9	78	22
10	78	22
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	77	23
18	77	23
19	78	22
20	78	22
21	78	22
22	78	22
23	78	22
24	78	22
25	78	22
26	78	22
27	78	22
28	79	21
29	79	21
30	79	21
31	78	22

Chance of precipitation in October

Any precipitationSnow

Altai gets around 11 mm of rain and snow over 3.7 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 12% and peaks near 13% on the wettest days, and about 4 days bring snow.

	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	31
Rain chance (%)	13	13	13	13	13	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	10	10	10
Snow chance (%)	9	9	10	10	10	11	11	11	11	11	12	12	12	13	13	13	13	13	13	13	13	13	13	13	12	12	12	11	11	11	11

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

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.

	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	31
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	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
31	100

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.

	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	31
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
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	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm
31	8	calm

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 6:40 AM to 7:22 AM, and sunset from 6:08 PM to 5:15 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	31
Daylight (h)	11.5	11.4	11.4	11.3	11.3	11.2	11.1	11.1	11.0	11.0	10.9	10.9	10.8	10.8	10.7	10.7	10.6	10.5	10.5	10.4	10.4	10.3	10.3	10.2	10.2	10.1	10.1	10.0	10.0	9.9	9.9
Sunrise (AM)	6:40	6:41	6:42	6:44	6:45	6:46	6:48	6:49	6:51	6:52	6:53	6:55	6:56	6:58	6:59	7:00	7:02	7:03	7:05	7:06	7:08	7:09	7:11	7:12	7:13	7:15	7:16	7:18	7:19	7:21	7:22
Sunset (PM)	6:08	6:06	6:04	6:02	6:00	5:58	5:56	5:55	5:53	5:51	5:49	5:47	5:45	5:43	5:41	5:40	5:38	5:36	5:34	5:32	5:31	5:29	5:27	5:26	5:24	5:22	5:21	5:19	5:18	5:16	5:15

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.5	6:40	6:08
2	11.4	6:41	6:06
3	11.4	6:42	6:04
4	11.3	6:44	6:02
5	11.3	6:45	6:00
6	11.2	6:46	5:58
7	11.1	6:48	5:56
8	11.1	6:49	5:55
9	11.0	6:51	5:53
10	11.0	6:52	5:51
11	10.9	6:53	5:49
12	10.9	6:55	5:47
13	10.8	6:56	5:45
14	10.8	6:58	5:43
15	10.7	6:59	5:41
16	10.7	7:00	5:40
17	10.6	7:02	5:38
18	10.5	7:03	5:36
19	10.5	7:05	5:34
20	10.4	7:06	5:32
21	10.4	7:08	5:31
22	10.3	7:09	5:29
23	10.3	7:11	5:27
24	10.2	7:12	5:26
25	10.2	7:13	5:24
26	10.1	7:15	5:22
27	10.1	7:16	5:21
28	10.0	7:18	5:19
29	10.0	7:19	5:18
30	9.9	7:21	5:16
31	9.9	7:22	5:15

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.55 kWh/m².

For context, solar energy here swings from a low near 1.76 kWh/m² to a high of 7 kWh/m² in May across the year — October's 3.55 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	31
Solar energy (kWh/m²)	4.3	4.2	4.2	4.1	4.1	4.0	4.0	3.9	3.9	3.8	3.8	3.7	3.7	3.6	3.6	3.5	3.5	3.4	3.4	3.4	3.3	3.3	3.2	3.2	3.1	3.1	3.0	3.0	3.0	2.9	2.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.3	Bright
2	4.2	Bright
3	4.2	Bright
4	4.1	Bright
5	4.1	Bright
6	4.0	Bright
7	4.0	Moderate
8	3.9	Moderate
9	3.9	Moderate
10	3.8	Moderate
11	3.8	Moderate
12	3.7	Moderate
13	3.7	Moderate
14	3.6	Moderate
15	3.6	Moderate
16	3.5	Moderate
17	3.5	Moderate
18	3.4	Moderate
19	3.4	Moderate
20	3.4	Moderate
21	3.3	Moderate
22	3.3	Moderate
23	3.2	Moderate
24	3.2	Moderate
25	3.1	Moderate
26	3.1	Moderate
27	3.0	Moderate
28	3.0	Moderate
29	3.0	Moderate
30	2.9	Moderate
31	2.9	Moderate

Planning a trip in October

Is October a good time to visit Altai?

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 Altai.

What to pack for Altai in October

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

In October, Altai sees daytime highs around 6°C and nights near -5°C. Pack a warm layer and a heavy coat. About 4 days see rain.

a warm layera heavy coat

UV index in Altai 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 Altai peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	3	6	8	8	10	8	5	3	1	1
Level	Low	Moderate	Moderate	High	Very high	Very high	Very high	Very high	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Moderate
Mar	3	Moderate
Apr	6	High
May	8	Very high
Jun	8	Very high
Jul	10	Very high
Aug	8	Very high
Sep	5	High
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Altai 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 Altai is worst in June — around 22 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (December, 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)	10	13	15	13	18	22	14	18	9	8	8	5
Level	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	13	Moderate
Mar	15	Moderate
Apr	13	Moderate
May	18	Moderate
Jun	22	Moderate
Jul	14	Moderate
Aug	18	Moderate
Sep	9	Good
Oct	8	Good
Nov	8	Good
Dec	5	Good

Location & terrain

Where is Altai?

Altai sits at 46.4°N, 96.3°E, 2,156 m above sea level, in Mongolia. The nearest listed city is Uliastay, 159 km away.

Topography around Altai

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

Within 3 km, the terrain around Altai has only modest variations in elevation — a maximum elevation change of 147 m around an average of 2,168 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,074 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,683 m.

The land around Altai is covered by bare terrain (51%) and grassland (39%) within 3 km, grassland (67%) and bare terrain (32%) within 16 km, and bare terrain (54%) and grassland (46%) within 80 km.

3 km

147 m

bare terrain 51%

16 km

1,074 m

grassland 67%

80 km

2,683 m

bare terrain 54%

treesgrasslandartificial surfacesbare terrain

← September Altai year-round climate November →Best places to visit in October

October weather nearby: Uliastay 159 km · Bayanhongor 343 km · Khovd 393 km · Tsetserleg 413 km · Mörön 465 km · Bogd 498 km · Arvayheer 500 km · Ulaangom 507 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

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 Altai (46.3722°, 96.2583°, elevation 2,156 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	10	-1
2	10	-1
3	9	-1
4	9	-2
5	9	-2
6	9	-2
7	8	-2
8	8	-3
9	8	-3
10	7	-3
11	7	-3
12	7	-4
13	6	-4
14	6	-4
15	6	-4
16	6	-5
17	5	-5
18	5	-5
19	5	-5
20	4	-6
21	4	-6
22	4	-6
23	4	-6
24	3	-6
25	3	-7
26	3	-7
27	2	-7
28	2	-7
29	2	-8
30	2	-8
31	1	-8

	Clearer (%)	Cloudier (%)
1	78	22
2	78	22
3	78	22
4	78	22
5	78	22
6	78	22
7	78	22
8	78	22
9	78	22
10	78	22
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	77	23
18	77	23
19	78	22
20	78	22
21	78	22
22	78	22
23	78	22
24	78	22
25	78	22
26	78	22
27	78	22
28	79	21
29	79	21
30	79	21
31	78	22

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

	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
31	100

	Avg high (°C)	Avg low (°C)
1	10	-1
2	10	-1
3	9	-1
4	9	-2
5	9	-2
6	9	-2
7	8	-2
8	8	-3
9	8	-3
10	7	-3
11	7	-3
12	7	-4
13	6	-4
14	6	-4
15	6	-4
16	6	-5
17	5	-5
18	5	-5
19	5	-5
20	4	-6
21	4	-6
22	4	-6
23	4	-6
24	3	-6
25	3	-7
26	3	-7
27	2	-7
28	2	-7
29	2	-8
30	2	-8
31	1	-8

	Clearer (%)	Cloudier (%)
1	78	22
2	78	22
3	78	22
4	78	22
5	78	22
6	78	22
7	78	22
8	78	22
9	78	22
10	78	22
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	77	23
18	77	23
19	78	22
20	78	22
21	78	22
22	78	22
23	78	22
24	78	22
25	78	22
26	78	22
27	78	22
28	79	21
29	79	21
30	79	21
31	78	22

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

	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
31	100

	Avg high (°C)	Avg low (°C)
1	10	-1
2	10	-1
3	9	-1
4	9	-2
5	9	-2
6	9	-2
7	8	-2
8	8	-3
9	8	-3
10	7	-3
11	7	-3
12	7	-4
13	6	-4
14	6	-4
15	6	-4
16	6	-5
17	5	-5
18	5	-5
19	5	-5
20	4	-6
21	4	-6
22	4	-6
23	4	-6
24	3	-6
25	3	-7
26	3	-7
27	2	-7
28	2	-7
29	2	-8
30	2	-8
31	1	-8

	Clearer (%)	Cloudier (%)
1	78	22
2	78	22
3	78	22
4	78	22
5	78	22
6	78	22
7	78	22
8	78	22
9	78	22
10	78	22
11	78	22
12	78	22
13	78	22
14	78	22
15	77	23
16	77	23
17	77	23
18	77	23
19	78	22
20	78	22
21	78	22
22	78	22
23	78	22
24	78	22
25	78	22
26	78	22
27	78	22
28	79	21
29	79	21
30	79	21
31	78	22

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

	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
31	100