Ulaanbaatar weather in January

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Ulaanbaatar January weather at a glance

D Challenging 😓

In January, Ulaanbaatar averages -18°C, with typical highs of -11.6°C and lows of -23.5°C. The historical average is 2 wet days and 73% humidity.

Compared with Seoul in January, it is 15.8°C cooler than Seoul, with 3 fewer wet days.

Ulaanbaatar January temperature & humidity

Average-18°CHigh -11.6° / low -23.5°

Humidity73%

Wet days2 days5% of days

Day–night range11.9°

Ulaanbaatar January rain & wet days

Wet days2 daysHistorical monthly average

Share of wet days5%Not a forecast probability

Pack a compact umbrella. Keep an indoor stop available between outdoor activities.

What to wear in Ulaanbaatar in January

Pack a warm insulated coat, thermal layers, gloves and a scarf. The typical day-to-night swing is about 12°C, so bring an extra layer.

DaytimeWarm coat and layered tops · average high -11.6°C
Morning & eveningInsulating coat, scarf and gloves · average low -23.5°C
FootwearComfortable walking shoes; quick-dry footwear for rainy days.

Useful extras

Insulated coatThermal base layersGloves and scarf

Choose a destination packing checklist →

Packing essentials

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Travel compression packing pouches
코멧 여행용 압축 파우치 4종 세트 Travel plug adapter
에너자이저 PD 45W 여행용 멀티 어댑터, 화이트 Inflatable travel neck pillow
마이워니 여행용 에어 목베개

Ulaanbaatar January sunrise & sunset times

2026 January · Local time (Asia/Ulaanbaatar)

Sunrise on the 15th08:37

Sunset on the 15th17:26

Daylight duration8h 49m

Start, middle and end of the month
Date	Sunrise	Sunset	Daylight
2026-01-01	08:42	17:10	8h 28m
2026-01-15	08:37	17:26	8h 49m
2026-01-31	08:22	17:50	9h 29m

For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.

Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup

Ulaanbaatar travel updates

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Ulaanbaatar travel essentials

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Best months to visit Ulaanbaatar

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

J F M A M J J A S O N D

ColdHot

January weather by year

January 2024-17.9°2 wet days, 75% humidity

January 2025-18.2°1 wet days, 70% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

1-16°-25°

2-15°-24°

3-12°-23°

4-12°-22°

5-12°-21°

6-11°-21°

7-10°-23°

8-15°-26°

9-13°-26°

10-16°-25°

11-16°-26°

12-14°-24°

13-15°-23°

14-15°-25°

15-9°-19°

16-4°-19°

17-8°-17°

18-8°-18°

19-5°-18°

20-9°-20°

21-7°-21°

22-7°-19°

23-2°-17°

24-7°-14°

25-14°-21°2mm

26-18°-29°

27-19°-29°

28-15°-28°

29-15°-28°

30-15°-26°

31-13°-26°

Frequently asked questions

What is Ulaanbaatar weather like in January?

In January, Ulaanbaatar averages -18°C, with typical highs of -11.6°C and lows of -23.5°C. The historical average is 2 wet days and 73% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Ulaanbaatar in January?

There are about 2 wet days in January. A compact umbrella is still useful.

What should I wear in Ulaanbaatar in January?

Pack a warm insulated coat, thermal layers, gloves and a scarf. The typical day-to-night swing is about 12°C, so bring an extra layer.

What are the best months to visit Ulaanbaatar?

Recent weather data rates May, June, September among the more comfortable months.

Where can I check Ulaanbaatar weather in January in real time?

Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.

What time are sunrise and sunset in Ulaanbaatar in January?

On 2026-01-15, calculated sunrise is 08:37 and sunset is 17:26 in local time (Asia/Ulaanbaatar). Times vary by date and terrain.

Ulaanbaatar weather by month

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

More Greater China destinations in January

Taipei Kaohsiung Taichung Hualien Macau Shanghai Beijing Qingdao Zhangjiajie Chengdu Xi'an Harbin Guangzhou Sanya Hainan Guilin Hong Kong Osaka Tokyo All destinations →

Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations