Ulan Bator, Ulaanbaatar, Mongolia weather records
Record high and low temperatures for Ulan Bator, Ulaanbaatar, Mongolia, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 36°C on 1999-07-24; its coldest fell to -43°C on 2023-01-23.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | -2°C2002-01-11
-32°C2026-01-18
|
-12°C2002-01-11
-43°C2023-01-23
|
| February | 5°C2007-02-27
-28°C2019-02-06
|
-9°C1998-02-24
-39°C2006-02-02
|
| March | 17°C2018-03-25
-21°C2010-03-04
|
-2°C1994-03-30
-32°C1985-03-08
|
| April | 25°C2020-04-30
-13°C2002-04-07
|
7°C1987-04-28
-22°C1984-04-04
|
| May | 30°C2018-05-31
-4°C1995-05-01
|
13°C2017-05-26
-13°C1995-05-01
|
| June | 35°C2010-06-26
6°C1990-06-03
|
16°C2010-06-27
-6°C1992-06-04
|
| July | 36°C1999-07-24
8°C1988-07-02
|
21°C1999-07-25
-1°C1988-07-02
|
| August | 34°C2016-08-03
6°C2012-08-19
|
18°C2001-08-02
-4°C1981-08-30
|
| September | 28°C2014-09-03
-4°C1982-09-25
|
13°C2023-09-06
-9°C1982-09-26
|
| October | 21°C1985-10-04
-12°C2016-10-30
|
4°C1986-10-01
-22°C2016-10-30
|
| November | 8°C2019-11-01
-24°C2022-11-28
|
-2°C2019-11-01
-34°C2022-11-29
|
| December | 0°C1989-12-02
-29°C2020-12-28
|
-11°C2004-12-01
-37°C2023-12-19
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 5°C2007-02-27
-32°C2026-01-18
|
-9°C1998-02-24
-43°C2023-01-23
|
| Spring (Mar–May) | 30°C2018-05-31
-21°C2010-03-04
|
13°C2017-05-26
-32°C1985-03-08
|
| Summer (Jun–Aug) | 36°C1999-07-24
6°C1990-06-03
|
21°C1999-07-25
-6°C1992-06-04
|
| Autumn (Sep–Nov) | 28°C2014-09-03
-24°C2022-11-28
|
13°C2023-09-06
-34°C2022-11-29
|
All-time records
The most extreme value Ulan Bator has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.