Ulaanbaatar weather in March

In March, Ulaanbaatar sees average daytime highs of -2°C and overnight lows near -15°C, with 7 mm of precipitation across 2.2 wet days and about 11.6 hours of daylight. It is the 8th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about -6°C in the first days to 3°C by the end. The sky is clear or mostly clear about 42% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of March to 12 h 30 min by month's end. Set against the rest of the year, March is Ulaanbaatar's 6th-clearest and 3rd-windiest month. For the whole year in context, see Ulaanbaatar's year-round climate.

Daytime high
-2°
8th warmest
Overnight low
-15°
5th coldest
Precipitation
7 mm
2.2 wet days
Daylight
11 h 36 min
7:15 AM – 6:49 PM
Cloud cover
48%
6th clearest
Wind
10 km/h
3rd windiest
Solar energy
4.5 kWh/m²
Travel score
0.0
out of 10

Ulaanbaatar is capital and largest city of Mongolia.

Air quality
Severe
PM2.5 60 µg/m³ · 2019
Density
180/km²
people per km²
Founded
1639

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about -6°C in the first days to 3°C by the end.

A typical March day in Ulaanbaatar reaches about -2°C in the afternoon and slips back to -15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between -10°C and 6°C. Set against its neighbours, March runs about 10°C warmer than February and about 9°C cooler than April.

-30°-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
1-7-21
2-7-20
3-6-20
4-6-20
5-6-20
6-5-19
7-5-19
8-5-19
9-4-18
10-4-18
11-4-17
12-3-17
13-3-17
14-3-16
15-2-16
16-2-15
17-1-15
18-1-14
19-1-14
200-13
210-13
221-13
231-12
241-12
252-11
262-11
272-10
283-10
293-10
303-9
314-9

How March really feels in Ulaanbaatar

Once humidity and wind are folded in, March 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 March is cold — wind chill drags the overnight "feels like" below the raw low.

Ulaanbaatar weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-17° / -28°20.50.78.60.0
Feb-11° / -24°31.21.59.90.0
Mar-2° / -15°72.22.711.60.0
Apr / -5°164.33.613.41.3
May15° / 356.7314.94.8
Jun20° / 559.50.215.76.3
Jul22° / 11°6611.2015.46.4
Aug20° / 6810.7014.16.2
Sep14° / 397.21.512.44.6
Oct / -6°153.83.310.60.7
Nov-7° / -18°62.12.690.0
Dec-15° / -25°20.91.38.30.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 17% of March, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66238
76238
86139
96139
106040
116040
125941
135842
145842
155842
165842
175842
185842
195842
205743
215743
225743
235743
245743
255842
265842
275941
285941
295941
305941
315842

Chance of precipitation in March

Any precipitationSnow

Ulaanbaatar gets around 7 mm of rain and snow over 2.2 wet days in March. 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 10% on the wettest days, and about 3 days bring snow.

0%10%20%30%151015202531
Rain chance (%)Snow chance (%)
168
278
378
478
578
678
778
879
979
1079
1179
1279
1379
1479
1579
1679
1779
1879
1979
2079
2178
2278
2378
2478
2578
2678
2789
2889
2989
30910
311010

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 March

Winds average 10 km/h in March.

Across March, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 42 min at the start of March to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 108 minutes over March. Sunrise moves from 7:45 AM to 6:44 AM, and sunset from 6:26 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:456:26
210.77:436:28
310.87:416:29
410.97:396:31
510.97:376:33
611.07:356:34
711.07:336:36
811.17:316:37
911.27:296:39
1011.27:276:40
1111.37:256:42
1211.37:236:43
1311.47:216:45
1411.57:196:46
1511.57:176:48
1611.67:156:49
1711.67:136:51
1811.77:116:52
1911.77:096:54
2011.87:076:55
2111.97:056:57
2211.97:036:58
2312.07:007:00
2412.06:587:01
2512.16:567:02
2612.26:547:04
2712.26:527:05
2812.36:507:07
2912.36:487:08
3012.46:467:10
3112.56:447:11

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.5 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.52 kWh/m² in May across the year — March's 4.5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.9Moderate
43.9Moderate
54.0Moderate
64.0Bright
74.1Bright
84.1Bright
94.2Bright
104.2Bright
114.3Bright
124.3Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.9Bright
254.9Bright
264.9Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in March

Is March a good time to visit Ulaanbaatar?

Our two travel scores rate March 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

March is a weaker month for outdoor sightseeing in Ulaanbaatar.

What to pack for Ulaanbaatar in March

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

In March, Ulaanbaatar sees daytime highs around -2°C and nights near -15°C. Pack a warm layer and a heavy coat. Worth having: sun protection.

a warm layera heavy coatsun protection

UV index in Ulaanbaatar in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ulaanbaatar peaks around July 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 18UV 8Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May7High
Jun7Very high
Jul8Very high
Aug8Very high
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Ulaanbaatar in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Ulaanbaatar is worst in July — around 135 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (October, 41 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Ulaanbaatar's WHO annual average of 60 µg/m³.

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyPoorJul 16128 µg/m³Oct 1141 µg/m³
PM2.5 (µg/m³)Level
Jan56Unhealthy
Feb55Unhealthy
Mar48Poor
Apr48Poor
May54Poor
Jun78Unhealthy
Jul135Unhealthy
Aug73Unhealthy
Sep42Poor
Oct41Poor
Nov48Poor
Dec41Poor
Location & terrain

Where is Ulaanbaatar?

Ulaanbaatar sits at 47.9°N, 106.9°E, 1,284 m above sea level, in Mongolia. The nearest listed city is Zuunmod, 23 km away.

DarhanErdenetSühbaatarBulgan

Topography around Ulaanbaatar

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

Within 3 km, the terrain around Ulaanbaatar has only modest variations in elevation — a maximum elevation change of 247 m around an average of 1,304 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,018 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,795 m.

The land around Ulaanbaatar is covered by artificial surfaces (81%) within 3 km, grassland (57%) and artificial surfaces (21%) within 16 km, and grassland (79%) within 80 km.

3 km
247 m
16 km
1,018 m
80 km
1,795 m
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
March weather nearby: Zuunmod 23 km · Dzuunmod 23 km · Nalayh 34 km · Dzüünharaa 110 km · Darhan 189 km · Erdenet 241 km · Sühbaatar 263 km · Bulgan 267 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 Ulaanbaatar (47.9077°, 106.8832°, elevation 1,284 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).