Uliastay weather in August

In August, Uliastay sees average daytime highs of 19°C and overnight lows near 7°C, with 49 mm of precipitation across 8.4 wet days and about 14.1 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 17°C by the end. The sky is clear or mostly clear about 40% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Uliastay's 8th-clearest and 5th-windiest month. For the whole year in context, see Uliastay's year-round climate.

Daytime high: 19°; 3rd warmest
Overnight low: 7°; 11th coldest
Precipitation: 49 mm; 8.4 wet days
Daylight: 14 h 06 min; 5:34 AM – 7:40 PM
Cloud cover: 52%; 8th clearest
Wind: 8 km/h; 5th windiest
Solar energy: 5.74 kWh/m²
Travel score: 6.4; out of 10

Uliastay is capital city and sum (district) in Zavkhan Aimag, Mongolia.

Density: 508/km²; people per km²
Founded: 1733

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

← July Uliastay year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 17°C by the end.

A typical August day in Uliastay reaches about 19°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 13°C and 24°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

	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)	20	20	20	20	20	20	20	20	20	20	20	19	19	19	19	19	19	19	19	19	19	18	18	18	18	18	18	17	17	17	17
Avg low (°C)	9	9	9	9	9	9	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	6	6	6	6	6	6	5	5	5	5

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

How August really feels in Uliastay

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 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

wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Uliastay weather by month

How August compares with the rest of the year at a glance. August is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-16° / -29°	2	0.7	1.2	8.7	0.0
Feb	-11° / -27°	4	1.3	2	9.9	0.0
Mar	-3° / -18°	10	3.2	3.8	11.6	0.0
Apr	6° / -6°	19	5.3	4.5	13.4	0.9
May	13° / 1°	28	6.7	2.7	14.9	4.1
Jun	19° / 7°	41	8	0.5	15.7	6.3
Jul	21° / 10°	64	10.6	0	15.4	6.4
Aug	19° / 7°	49	8.4	0.3	14.1	6.4
Sep	13° / 0°	23	5.2	1.8	12.4	4.2
Oct	4° / -8°	13	4.1	3.8	10.6	0.4
Nov	-7° / -18°	8	2.8	3.3	9.1	0.0
Dec	-14° / -26°	3	1.2	1.9	8.3	0.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

	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 (%)	54	54	56	56	56	56	56	58	58	58	59	59	60	60	61	61	61	61	61	61	61	61	62	62	62	62	62	63	63	63	63
Cloudier (%)	46	46	44	44	44	44	44	42	42	42	41	41	40	40	39	39	39	39	39	39	39	39	38	38	38	38	38	37	37	37	37

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	58	42
9	58	42
10	58	42
11	59	41
12	59	41
13	60	40
14	60	40
15	61	39
16	61	39
17	61	39
18	61	39
19	61	39
20	61	39
21	61	39
22	61	39
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	63	37
29	63	37
30	63	37
31	63	37

Chance of precipitation in August

Any precipitationSnow

Uliastay gets around 49 mm of rain and snow over 8.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 34% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

	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 (%)	34	34	34	34	34	33	33	32	32	31	30	29	28	28	27	26	25	24	24	23	22	22	22	22	21	21	21	21	21	20	20
Snow chance (%)	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2

	Rain chance (%)	Snow chance (%)
1	34	0
2	34	0
3	34	0
4	34	1
5	34	1
6	33	1
7	33	1
8	32	1
9	32	1
10	31	1
11	30	1
12	29	1
13	28	1
14	28	1
15	27	1
16	26	1
17	25	1
18	24	1
19	24	1
20	23	1
21	22	1
22	22	1
23	22	1
24	22	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	20	2
31	20	2

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August 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 (%)	99	99	99	99	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 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)	8	8	8	8	8	8	8	8	8	8	8	8	8	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	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	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 August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 5:14 AM to 5:54 AM, and sunset from 8:04 PM to 7:11 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)	14.8	14.8	14.7	14.7	14.7	14.6	14.6	14.5	14.5	14.4	14.4	14.3	14.3	14.2	14.2	14.1	14.0	14.0	13.9	13.9	13.8	13.8	13.7	13.7	13.6	13.6	13.5	13.4	13.4	13.3	13.3
Sunrise (AM)	5:14	5:15	5:16	5:18	5:19	5:20	5:22	5:23	5:24	5:26	5:27	5:28	5:30	5:31	5:32	5:34	5:35	5:36	5:38	5:39	5:41	5:42	5:43	5:45	5:46	5:48	5:49	5:50	5:52	5:53	5:54
Sunset (PM)	8:04	8:02	8:01	7:59	7:58	7:56	7:55	7:53	7:52	7:50	7:48	7:47	7:45	7:43	7:42	7:40	7:38	7:36	7:34	7:32	7:31	7:29	7:27	7:25	7:23	7:21	7:19	7:17	7:15	7:13	7:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	14.8	5:14	8:04
2	14.8	5:15	8:02
3	14.7	5:16	8:01
4	14.7	5:18	7:59
5	14.7	5:19	7:58
6	14.6	5:20	7:56
7	14.6	5:22	7:55
8	14.5	5:23	7:53
9	14.5	5:24	7:52
10	14.4	5:26	7:50
11	14.4	5:27	7:48
12	14.3	5:28	7:47
13	14.3	5:30	7:45
14	14.2	5:31	7:43
15	14.2	5:32	7:42
16	14.1	5:34	7:40
17	14.0	5:35	7:38
18	14.0	5:36	7:36
19	13.9	5:38	7:34
20	13.9	5:39	7:32
21	13.8	5:41	7:31
22	13.8	5:42	7:29
23	13.7	5:43	7:27
24	13.7	5:45	7:25
25	13.6	5:46	7:23
26	13.6	5:48	7:21
27	13.5	5:49	7:19
28	13.4	5:50	7:17
29	13.4	5:52	7:15
30	13.3	5:53	7:13
31	13.3	5:54	7:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.74 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.95 kWh/m² in June across the year — August's 5.74 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)	6.0	6.0	6.0	6.0	6.0	5.9	5.9	5.9	5.9	5.9	5.9	5.8	5.8	5.8	5.8	5.8	5.8	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.4	5.4	5.3
Level	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.0	Intense
2	6.0	Intense
3	6.0	Bright
4	6.0	Bright
5	6.0	Bright
6	5.9	Bright
7	5.9	Bright
8	5.9	Bright
9	5.9	Bright
10	5.9	Bright
11	5.9	Bright
12	5.8	Bright
13	5.8	Bright
14	5.8	Bright
15	5.8	Bright
16	5.8	Bright
17	5.8	Bright
18	5.7	Bright
19	5.7	Bright
20	5.7	Bright
21	5.7	Bright
22	5.6	Bright
23	5.6	Bright
24	5.6	Bright
25	5.5	Bright
26	5.5	Bright
27	5.5	Bright
28	5.5	Bright
29	5.4	Bright
30	5.4	Bright
31	5.3	Bright

Planning a trip in August

Is August a good time to visit Uliastay?

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

6.4

Sightseeing

1st-best month of the year

2.7

Beach & pool

3rd-best month of the year

August is a reasonable time to visit Uliastay for sightseeing.

What to pack for Uliastay in August

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

In August, Uliastay sees daytime highs around 19°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

UV index in Uliastay in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Uliastay peaks around July 16 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	7	9	8	9	7	5	3	1	1
Level	Low	Moderate	Moderate	High	Very high	Very high	Very high	Very high	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Moderate
Mar	3	Moderate
Apr	7	High
May	9	Very high
Jun	8	Very high
Jul	9	Very high
Aug	7	Very high
Sep	5	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Uliastay?

Uliastay sits at 47.7°N, 96.8°E, 1,755 m above sea level, in Mongolia. The nearest listed city is Altai, 159 km away.

Topography around Uliastay

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

Within 3 km, the terrain around Uliastay has significant variations in elevation — a maximum elevation change of 399 m around an average of 1,798 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,247 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,539 m.

The land around Uliastay is covered by grassland (85%) within 3 km, grassland (87%) within 16 km, and grassland (78%) within 80 km.

3 km

399 m

grassland 85%

16 km

1,247 m

grassland 87%

80 km

2,539 m

grassland 78%

treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen

← July Uliastay year-round climate September →Best places to visit in August

August weather nearby: Altai 159 km · Mörön 322 km · Bayanhongor 341 km · Tsetserleg 347 km · Khovd 389 km · Ulaangom 429 km · Kyzyl 474 km · Arvayheer 479 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 Uliastay (47.7417°, 96.8444°, elevation 1,755 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).

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

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	58	42
9	58	42
10	58	42
11	59	41
12	59	41
13	60	40
14	60	40
15	61	39
16	61	39
17	61	39
18	61	39
19	61	39
20	61	39
21	61	39
22	61	39
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	63	37
29	63	37
30	63	37
31	63	37

	Rain chance (%)	Snow chance (%)
1	34	0
2	34	0
3	34	0
4	34	1
5	34	1
6	33	1
7	33	1
8	32	1
9	32	1
10	31	1
11	30	1
12	29	1
13	28	1
14	28	1
15	27	1
16	26	1
17	25	1
18	24	1
19	24	1
20	23	1
21	22	1
22	22	1
23	22	1
24	22	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	20	2
31	20	2

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	58	42
9	58	42
10	58	42
11	59	41
12	59	41
13	60	40
14	60	40
15	61	39
16	61	39
17	61	39
18	61	39
19	61	39
20	61	39
21	61	39
22	61	39
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	63	37
29	63	37
30	63	37
31	63	37

	Rain chance (%)	Snow chance (%)
1	34	0
2	34	0
3	34	0
4	34	1
5	34	1
6	33	1
7	33	1
8	32	1
9	32	1
10	31	1
11	30	1
12	29	1
13	28	1
14	28	1
15	27	1
16	26	1
17	25	1
18	24	1
19	24	1
20	23	1
21	22	1
22	22	1
23	22	1
24	22	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	20	2
31	20	2

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

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

	Clearer (%)	Cloudier (%)
1	54	46
2	54	46
3	56	44
4	56	44
5	56	44
6	56	44
7	56	44
8	58	42
9	58	42
10	58	42
11	59	41
12	59	41
13	60	40
14	60	40
15	61	39
16	61	39
17	61	39
18	61	39
19	61	39
20	61	39
21	61	39
22	61	39
23	62	38
24	62	38
25	62	38
26	62	38
27	62	38
28	63	37
29	63	37
30	63	37
31	63	37

	Rain chance (%)	Snow chance (%)
1	34	0
2	34	0
3	34	0
4	34	1
5	34	1
6	33	1
7	33	1
8	32	1
9	32	1
10	31	1
11	30	1
12	29	1
13	28	1
14	28	1
15	27	1
16	26	1
17	25	1
18	24	1
19	24	1
20	23	1
21	22	1
22	22	1
23	22	1
24	22	1
25	21	1
26	21	1
27	21	1
28	21	1
29	21	1
30	20	2
31	20	2

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	99	1
8	99	1
9	99	1
10	99	1
11	99	1
12	99	1
13	99	1
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0