Ölgii weather in January

In January, Ölgii sees average daytime highs of -16°C and overnight lows near -28°C, with 0 mm of precipitation across 0.1 wet days and about 8.5 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about -17°C in the first days to -14°C by the end. The sky is clear or mostly clear about 57% of the time in January, and the air most often feels dry.

Daylight stretches from about 8 h 06 min at the start of January to 9 h 06 min by month's end. Set against the rest of the year, January is Ölgii's 1st-clearest and 12th-windiest month. For the whole year in context, see Ölgii's year-round climate.

Daytime high
-16°
12th warmest
Overnight low
-28°
1st coldest
Precipitation
0 mm
0.1 wet days
Daylight
8 h 30 min
8:56 AM – 5:23 PM
Cloud cover
37%
1st clearest
Wind
6 km/h
12th windiest
Solar energy
1.8 kWh/m²
Travel score
0.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -17°C in the first days to -14°C by the end.

A typical January day in Ölgii reaches about -16°C in the afternoon and slips back to -28°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between -21°C and -11°C. Set against its neighbours, January runs on par with December and about 5°C cooler than February.

-30°-20°-10°151015202531
Avg high (°C)Avg low (°C)
1-16-27
2-16-27
3-16-27
4-16-28
5-16-28
6-16-28
7-16-28
8-16-28
9-16-28
10-16-28
11-16-28
12-16-28
13-16-28
14-16-28
15-16-28
16-16-28
17-16-28
18-16-28
19-16-28
20-16-28
21-15-28
22-15-28
23-15-28
24-15-28
25-15-28
26-15-28
27-15-27
28-14-27
29-14-27
30-14-27
31-14-27

How January really feels in Ölgii

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
0
heat index over the day's high
Days feeling ≤ C
31
31 feel bitter (≤ -10°C)

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

Ölgii 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.

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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47228
57228
67129
77129
87228
97228
107228
117228
127129
137129
147129
157228
167228
177228
187228
197228
207327
217327
227426
237426
247426
257327
267327
277327
287426
297327
307327
317327

Chance of precipitation in January

Any precipitation

Ölgii gets around 0 mm of rain and snow over 0.1 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 0% and peaks near 1% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
261
271
281
291
301
311

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.

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 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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 8 h 06 min at the start of January to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over January. Sunrise moves from 9:01 AM to 8:42 AM, and sunset from 5:06 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.19:015:06
28.19:015:07
38.19:015:08
48.19:015:09
58.29:005:10
68.29:005:11
78.29:005:12
88.29:005:13
98.28:595:14
108.38:595:15
118.38:595:17
128.38:585:18
138.48:585:19
148.48:575:20
158.48:575:22
168.58:565:23
178.58:555:24
188.58:555:26
198.68:545:27
208.68:535:29
218.68:525:30
228.78:515:31
238.78:505:33
248.78:495:34
258.88:485:36
268.88:475:37
278.98:465:39
288.98:455:41
299.08:445:42
309.08:435:44
319.18:425:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 1.8 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 — January's 1.8 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.5Dim
21.5Dim
31.5Dim
41.5Dim
51.5Dim
61.6Dim
71.6Dim
81.6Dim
91.6Dim
101.6Dim
111.6Dim
121.7Dim
131.7Dim
141.7Dim
151.8Dim
161.8Dim
171.8Dim
181.8Dim
191.9Dim
201.9Dim
211.9Dim
222.0Dim
232.0Moderate
242.0Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.2Moderate
292.2Moderate
302.3Moderate
312.3Moderate
Planning a trip in January

Is January a good time to visit Ölgii?

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 Ölgii.

What to pack for Ölgii in January

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

In January, Ölgii sees daytime highs around -16°C and nights near -28°C. Pack a warm layer and a heavy coat.

a warm layera heavy coat

UV index in Ölgii 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 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
January 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).