Uliastay weather in January

In January, Uliastay sees average daytime highs of -16°C and overnight lows near -29°C, with 2 mm of precipitation across 0.7 wet days and about 8.7 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near -16°C through the month. The sky is clear or mostly clear about 55% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of January to 9 h 12 min by month's end. Set against the rest of the year, January is Uliastay's 2nd-clearest and 12th-windiest month. For the whole year in context, see Uliastay's year-round climate.

Daytime high: -16°; 12th warmest
Overnight low: -29°; 1st coldest
Precipitation: 2 mm; 0.7 wet days
Daylight: 8 h 36 min; 8:24 AM – 5:00 PM
Cloud cover: 39%; 2nd clearest
Wind: 6 km/h; 12th windiest
Solar energy: 1.98 kWh/m²
Travel score: 0.0; 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.

← December Uliastay year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near -16°C through the month.

A typical January day in Uliastay reaches about -16°C in the afternoon and slips back to -29°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between -22°C and -9°C. Set against its neighbours, January runs about 1°C cooler than December and about 4°C cooler than February.

	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)	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-16	-15	-15	-15	-15	-15	-15	-15	-15	-14	-14	-14
Avg low (°C)	-28	-28	-28	-28	-29	-29	-29	-29	-29	-29	-29	-29	-29	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-30	-29

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

How January really feels in Uliastay

Once humidity and wind are folded in, January 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

31 feel bitter (≤ -10°C)

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

Uliastay weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 12th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 30%.

	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 (%)	69	69	69	69	70	70	70	69	70	70	69	69	69	69	68	68	68	69	69	69	70	70	71	71	71	72	72	72	72	72	72
Cloudier (%)	31	31	31	31	30	30	30	31	30	30	31	31	31	31	32	32	32	31	31	31	30	30	29	29	29	28	28	28	28	28	28

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	69	31
5	70	30
6	70	30
7	70	30
8	69	31
9	70	30
10	70	30
11	69	31
12	69	31
13	69	31
14	69	31
15	68	32
16	68	32
17	68	32
18	69	31
19	69	31
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

Chance of precipitation in January

Any precipitationSnow

Uliastay gets around 2 mm of rain and snow over 0.7 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 2% and peaks near 4% on the wettest days, and about 1 day brings 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 (%)	4	4	4	4	3	3	3	3	3	3	2	2	2	2	2	2	2	1	1	1	2	2	2	2	2	2	2	2	3	3	3
Snow chance (%)	7	7	6	6	6	5	5	5	4	4	4	3	3	3	2	2	2	2	2	2	2	3	3	3	3	3	3	3	4	4	4

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

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January 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 January

Winds average 6 km/h in January, the calmest month.

Across January, daily wind ranges from about 6 km/h on the calmest days to 6 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)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
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	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	6	calm
20	6	calm
21	6	calm
22	6	calm
23	6	calm
24	6	calm
25	6	calm
26	6	calm
27	6	calm
28	6	calm
29	6	calm
30	6	calm
31	6	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 18 min at the start of January to 9 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over January. Sunrise moves from 8:28 AM to 8:10 AM, and sunset from 4:44 PM to 5:22 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)	8.3	8.3	8.3	8.3	8.3	8.4	8.4	8.4	8.4	8.4	8.5	8.5	8.5	8.6	8.6	8.6	8.6	8.7	8.7	8.7	8.8	8.8	8.9	8.9	8.9	9.0	9.0	9.1	9.1	9.1	9.2
Sunrise (AM)	8:28	8:28	8:28	8:28	8:28	8:27	8:27	8:27	8:27	8:26	8:26	8:26	8:25	8:25	8:24	8:24	8:23	8:22	8:22	8:21	8:20	8:19	8:18	8:18	8:17	8:16	8:15	8:14	8:13	8:11	8:10
Sunset (PM)	4:44	4:45	4:46	4:47	4:48	4:49	4:50	4:51	4:52	4:53	4:54	4:55	4:56	4:58	4:59	5:00	5:02	5:03	5:04	5:06	5:07	5:08	5:10	5:11	5:13	5:14	5:16	5:17	5:19	5:20	5:22

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	8.3	8:28	4:44
2	8.3	8:28	4:45
3	8.3	8:28	4:46
4	8.3	8:28	4:47
5	8.3	8:28	4:48
6	8.4	8:27	4:49
7	8.4	8:27	4:50
8	8.4	8:27	4:51
9	8.4	8:27	4:52
10	8.4	8:26	4:53
11	8.5	8:26	4:54
12	8.5	8:26	4:55
13	8.5	8:25	4:56
14	8.6	8:25	4:58
15	8.6	8:24	4:59
16	8.6	8:24	5:00
17	8.6	8:23	5:02
18	8.7	8:22	5:03
19	8.7	8:22	5:04
20	8.7	8:21	5:06
21	8.8	8:20	5:07
22	8.8	8:19	5:08
23	8.9	8:18	5:10
24	8.9	8:18	5:11
25	8.9	8:17	5:13
26	9.0	8:16	5:14
27	9.0	8:15	5:16
28	9.1	8:14	5:17
29	9.1	8:13	5:19
30	9.1	8:11	5:20
31	9.2	8:10	5:22

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.98 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 — January's 1.98 kWh/m² sits near the bottom.

	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)	1.6	1.6	1.7	1.7	1.7	1.7	1.7	1.8	1.8	1.8	1.8	1.9	1.9	1.9	1.9	2.0	2.0	2.0	2.1	2.1	2.1	2.2	2.2	2.2	2.3	2.3	2.3	2.4	2.4	2.5	2.5
Level	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Dim	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	1.6	Dim
2	1.6	Dim
3	1.7	Dim
4	1.7	Dim
5	1.7	Dim
6	1.7	Dim
7	1.7	Dim
8	1.8	Dim
9	1.8	Dim
10	1.8	Dim
11	1.8	Dim
12	1.9	Dim
13	1.9	Dim
14	1.9	Dim
15	1.9	Dim
16	2.0	Dim
17	2.0	Moderate
18	2.0	Moderate
19	2.1	Moderate
20	2.1	Moderate
21	2.1	Moderate
22	2.2	Moderate
23	2.2	Moderate
24	2.2	Moderate
25	2.3	Moderate
26	2.3	Moderate
27	2.3	Moderate
28	2.4	Moderate
29	2.4	Moderate
30	2.5	Moderate
31	2.5	Moderate

Planning a trip in January

Is January a good time to visit Uliastay?

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

0.0

Sightseeing

8th-best month of the year

0.0

Beach & pool

6th-best month of the year

January is a weaker month for outdoor sightseeing in Uliastay.

What to pack for Uliastay in January

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

In January, Uliastay sees daytime highs around -16°C and nights near -29°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Uliastay in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 1. 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

← December Uliastay year-round climate February →Best places to visit in January

January 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	-16	-28
2	-16	-28
3	-16	-28
4	-16	-28
5	-16	-29
6	-16	-29
7	-16	-29
8	-16	-29
9	-16	-29
10	-16	-29
11	-16	-29
12	-16	-29
13	-16	-29
14	-16	-30
15	-16	-30
16	-16	-30
17	-16	-30
18	-16	-30
19	-16	-30
20	-16	-30
21	-15	-30
22	-15	-30
23	-15	-30
24	-15	-30
25	-15	-30
26	-15	-30
27	-15	-30
28	-15	-30
29	-14	-30
30	-14	-30
31	-14	-29

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	69	31
5	70	30
6	70	30
7	70	30
8	69	31
9	70	30
10	70	30
11	69	31
12	69	31
13	69	31
14	69	31
15	68	32
16	68	32
17	68	32
18	69	31
19	69	31
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

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

	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	-16	-28
2	-16	-28
3	-16	-28
4	-16	-28
5	-16	-29
6	-16	-29
7	-16	-29
8	-16	-29
9	-16	-29
10	-16	-29
11	-16	-29
12	-16	-29
13	-16	-29
14	-16	-30
15	-16	-30
16	-16	-30
17	-16	-30
18	-16	-30
19	-16	-30
20	-16	-30
21	-15	-30
22	-15	-30
23	-15	-30
24	-15	-30
25	-15	-30
26	-15	-30
27	-15	-30
28	-15	-30
29	-14	-30
30	-14	-30
31	-14	-29

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	69	31
5	70	30
6	70	30
7	70	30
8	69	31
9	70	30
10	70	30
11	69	31
12	69	31
13	69	31
14	69	31
15	68	32
16	68	32
17	68	32
18	69	31
19	69	31
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

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

	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	-16	-28
2	-16	-28
3	-16	-28
4	-16	-28
5	-16	-29
6	-16	-29
7	-16	-29
8	-16	-29
9	-16	-29
10	-16	-29
11	-16	-29
12	-16	-29
13	-16	-29
14	-16	-30
15	-16	-30
16	-16	-30
17	-16	-30
18	-16	-30
19	-16	-30
20	-16	-30
21	-15	-30
22	-15	-30
23	-15	-30
24	-15	-30
25	-15	-30
26	-15	-30
27	-15	-30
28	-15	-30
29	-14	-30
30	-14	-30
31	-14	-29

	Clearer (%)	Cloudier (%)
1	69	31
2	69	31
3	69	31
4	69	31
5	70	30
6	70	30
7	70	30
8	69	31
9	70	30
10	70	30
11	69	31
12	69	31
13	69	31
14	69	31
15	68	32
16	68	32
17	68	32
18	69	31
19	69	31
20	69	31
21	70	30
22	70	30
23	71	29
24	71	29
25	71	29
26	72	28
27	72	28
28	72	28
29	72	28
30	72	28
31	72	28

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

	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