Climate Trends in Mongolia
Climate trends for Mongolia from 0 stations with long records. Also streaks and temperature swings.
Data as of . Last revised (2026-10-12).
Longest Hot, Cold, Wet and Dry Streaks: Mongolia
6 lists of 10- In Mongolia, the longest run of hot days in a row in the data is 9 days, at Tsogt-Ovoo (Mongolia), from 10 July 2000 to 18 July 2000.
- In Mongolia, the longest run of days in a row at or above 40 C in the data is 3 days, at Sainshand (Mongolia), from 23 July 2010 to 25 July 2010.
- In Mongolia, the longest run of frost days in a row in the data is 228 days, at Muren (Mongolia), from 26 September 1961 to 11 May 1962.
- In Mongolia, the longest run of ice days in a row in the data is 165 days, at Ulaan-Gom (Mongolia), from 19 October 1976 to 1 April 1977.
- In Mongolia, the longest run of dry days in a row in the data is 167 days, at Ulaan-Gom (Mongolia), in 1986.
- In Mongolia, the longest run of wet days in a row in the data is 10 days, at Bulgan (Mongolia), in 1984.
Longest run of days at or above 35 C
Consecutive days with a daily maximum at or above 35 C (95 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Tsogt-Ovoo | Mongolia | 9 days | 10 to 18 July 2000 |
| 2 | Dalanzadgad | Mongolia | 9 days | 20 to 28 July 2010 |
| 3 | Saikhan-Ovoo | Mongolia | 9 days | 20 to 28 July 2010 |
| 4 | Sainshand | Mongolia | 9 days | 25 June to 3 July 2017 |
| 5 | Choibalsan | Mongolia | 8 days | 23 to 30 July 2007 |
| 6 | Baruunharaa | Mongolia | 7 days | 12 to 18 August 2002 |
| 7 | Underkhaan | Mongolia | 7 days | 24 to 30 July 2007 |
| 8 | Matad | Mongolia | 7 days | 24 to 30 July 2007 |
| 9 | Zamyn-Uud | Mongolia | 7 days | 22 to 28 July 2010 |
| 10 | Dashbalbar | Mongolia | 6 days | 23 to 28 June 2010 |
Longest run of days at or above 40 C
Consecutive days with a daily maximum at or above 40 C (104 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Sainshand | Mongolia | 3 days | 23 to 25 July 2010 |
| 2 | Tsogt-Ovoo | Mongolia | 2 days | 24 to 25 July 1999 |
| 3 | Choibalsan | Mongolia | 2 days | 25 to 26 June 2010 |
| 4 | Zamyn-Uud | Mongolia | 2 days | 24 to 25 July 2010 |
| 5 | Khalkh-Gol | Mongolia | 2 days | 3 to 4 August 2016 |
| 6 | Dashbalbar | Mongolia | 1 day | 21 to 21 July 2004 |
| 7 | Matad | Mongolia | 1 day | 10 to 10 June 2007 |
| 8 | Baruunharaa | Mongolia | 1 day | 26 to 26 July 2007 |
| 9 | Underkhaan | Mongolia | 1 day | 5 to 5 August 2008 |
| 10 | Bayan-Ovoo | Mongolia | 1 day | 24 to 24 July 2010 |
Longest run of frost days (minimum at or below 0 C)
Consecutive days with a daily minimum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Muren | Mongolia | 228 days | 26 September 1961 to 11 May 1962 |
| 2 | Uliastai | Mongolia | 224 days | 24 September 1994 to 5 May 1995 |
| 3 | Bulgan | Mongolia | 219 days | 25 September 1964 to 1 May 1965 |
| 4 | Arvaiheer | Mongolia | 212 days | 5 October 1974 to 4 May 1975 |
| 5 | Ulaan-Gom | Mongolia | 210 days | 6 October 1974 to 3 May 1975 |
| 6 | Choibalsan | Mongolia | 201 days | 11 October 1985 to 29 April 1986 |
| 7 | Mandalgobi | Mongolia | 197 days | 12 October 1994 to 26 April 1995 |
| 8 | Hovd | Mongolia | 193 days | 7 October 1961 to 17 April 1962 |
| 9 | Dalanzadgad | Mongolia | 175 days | 21 October 1992 to 13 April 1993 |
| 10 | Sainshand | Mongolia | 105 days | 7 November 2025 to 19 February 2026 |
Longest run of ice days (maximum at or below 0 C)
Consecutive days with a daily maximum at or below 0 C (32 F).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Ulaan-Gom | Mongolia | 165 days | 19 October 1976 to 1 April 1977 |
| 2 | Choibalsan | Mongolia | 137 days | 7 November 1969 to 23 March 1970 |
| 3 | Uliastai | Mongolia | 135 days | 6 November 1984 to 20 March 1985 |
| 4 | Bulgan | Mongolia | 123 days | 19 November 1983 to 20 March 1984 |
| 5 | Muren | Mongolia | 122 days | 7 November 1982 to 8 March 1983 |
| 6 | Hovd | Mongolia | 122 days | 12 November 1982 to 13 March 1983 |
| 7 | Mandalgobi | Mongolia | 122 days | 11 November 1987 to 11 March 1988 |
| 8 | Galuut | Mongolia | 119 days | 13 November 2018 to 11 March 2019 |
| 9 | Hujirt | Mongolia | 116 days | 17 November 2011 to 11 March 2012 |
| 10 | Baruunturuun | Mongolia | 113 days | 27 November 2011 to 18 March 2012 |
Longest dry spell (days under 1 mm of rain), within one year
Consecutive days with less than 1 mm (0.04 in) of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Ulaan-Gom | Mongolia | 167 days | within 1986 |
| 2 | Dalanzadgad | Mongolia | 156 days | within 1997 |
| 3 | Muren | Mongolia | 148 days | within 1980 |
| 4 | Mandalgobi | Mongolia | 144 days | within 1986 |
| 5 | Hovd | Mongolia | 143 days | within 1971 |
| 6 | Choibalsan | Mongolia | 135 days | within 1993 |
| 7 | Bulgan | Mongolia | 133 days | within 1978 |
| 8 | Arvaiheer | Mongolia | 129 days | within 1983 |
| 9 | Uliastai | Mongolia | 109 days | within 1982 |
| 10 | Sainshand | Mongolia | 85 days | within 1994 |
Longest wet spell (days with 1 mm or more of rain), within one year
Consecutive days with 1 mm (0.04 in) or more of rain, the longest run within a year. The dates are not kept, so the list gives the year (within the year).
| Rank | Station | Country | Length | When |
|---|---|---|---|---|
| 1 | Bulgan | Mongolia | 10 days | within 1984 |
| 2 | Muren | Mongolia | 9 days | within 1973 |
| 3 | Uliastai | Mongolia | 8 days | within 1994 |
| 4 | Dalanzadgad | Mongolia | 7 days | within 1977 |
| 5 | Arvaiheer | Mongolia | 7 days | within 1994 |
| 6 | Choibalsan | Mongolia | 7 days | within 1998 |
| 7 | Hovd | Mongolia | 6 days | within 1994 |
| 8 | Ulaan-Gom | Mongolia | 6 days | within 1997 |
| 9 | Mandalgobi | Mongolia | 5 days | within 1971 |
| 10 | Baitag | Mongolia | 2 days | within 2004 |
A run belongs to the year it started in, even when it ran on into the next year. A station appears once per list, with its longest run in a complete year. Dry and wet spells are the longest run within a year. Lists use complete years only, so a long run in a year with gaps in the record is not counted.
Biggest One Day Temperature Swings: Mongolia
6 lists of 9- In Mongolia, the largest reported one day rise in the daily maximum is 23.2 C (41.8 F), at Uliastai (Mongolia) on 24 February 1988.
- In Mongolia, the largest reported one day drop in the daily maximum is 27.0 C (48.6 F), at Uliastai (Mongolia) on 25 February 1988.
- In Mongolia, the largest reported one day rise in the daily minimum is 20.8 C (37.4 F), at Hovd (Mongolia) on 11 February 1976.
- In Mongolia, the largest reported one day drop in the daily minimum is 19.7 C (35.5 F), at Uliastai (Mongolia) on 1 September 1968.
- In Mongolia, the largest reported widest range between the high and the low of one day is 37.8 C (68.0 F), at Bulgan (Mongolia) on 23 February 1993.
- In Mongolia, the smallest reported narrowest range between the high and the low of one day is 0.0 C (0.0 F), at Mandalgobi (Mongolia) on 4 January 1994.
Caveat.Single readings can still be instrument errors that quality control missed. A station with one faulty value can top a list, so read each entry as a reported value, not as a confirmed event.
Biggest one day rise in the daily maximum
The largest increase in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Uliastai | Mongolia | 23.2 C (41.8 F) | 24 February 1988 |
| 2 | Hovd | Mongolia | 22.3 C (40.1 F) | 11 February 2024 |
| 3 | Bulgan | Mongolia | 22.1 C (39.8 F) | 20 March 2013 |
| 4 | Choibalsan | Mongolia | 21.3 C (38.3 F) | 30 April 2003 |
| 5 | Mandalgobi | Mongolia | 20.7 C (37.3 F) | 22 January 1997 |
| 6 | Arvaiheer | Mongolia | 20.0 C (36.0 F) | 24 January 1969 |
| 7 | Ulaan-Gom | Mongolia | 19.5 C (35.1 F) | 3 January 1994 |
| 8 | Muren | Mongolia | 17.1 C (30.8 F) | 20 November 1965 |
| 9 | Dalanzadgad | Mongolia | 17.0 C (30.6 F) | 18 March 2010 |
Biggest one day drop in the daily maximum
The largest decrease in the daily maximum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Uliastai | Mongolia | 27.0 C (48.6 F) | 25 February 1988 |
| 2 | Bulgan | Mongolia | 25.1 C (45.2 F) | 24 April 2014 |
| 3 | Mandalgobi | Mongolia | 24.3 C (43.7 F) | 19 September 2009 |
| 4 | Muren | Mongolia | 24.2 C (43.6 F) | 15 December 1965 |
| 5 | Arvaiheer | Mongolia | 24.2 C (43.6 F) | 13 March 2001 |
| 6 | Dalanzadgad | Mongolia | 24.0 C (43.2 F) | 10 April 2012 |
| 7 | Choibalsan | Mongolia | 23.8 C (42.8 F) | 22 May 2021 |
| 8 | Hovd | Mongolia | 22.5 C (40.5 F) | 14 March 2021 |
| 9 | Ulaan-Gom | Mongolia | 18.8 C (33.8 F) | 16 May 1974 |
Biggest one day rise in the daily minimum
The largest increase in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Hovd | Mongolia | 20.8 C (37.4 F) | 11 February 1976 |
| 2 | Bulgan | Mongolia | 17.7 C (31.9 F) | 21 November 1965 |
| 3 | Muren | Mongolia | 17.4 C (31.3 F) | 5 November 1979 |
| 4 | Mandalgobi | Mongolia | 17.1 C (30.8 F) | 4 May 1961 |
| 5 | Arvaiheer | Mongolia | 16.6 C (29.9 F) | 26 November 1974 |
| 6 | Dalanzadgad | Mongolia | 16.3 C (29.3 F) | 23 March 1974 |
| 7 | Uliastai | Mongolia | 16.2 C (29.2 F) | 5 December 1998 |
| 8 | Choibalsan | Mongolia | 16.0 C (28.8 F) | 17 December 1965 |
| 9 | Ulaan-Gom | Mongolia | 13.3 C (23.9 F) | 1 September 1976 |
Biggest one day drop in the daily minimum
The largest decrease in the daily minimum temperature from one day to the next. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Uliastai | Mongolia | 19.7 C (35.5 F) | 1 September 1968 |
| 2 | Hovd | Mongolia | 18.9 C (34.0 F) | 12 February 1976 |
| 3 | Bulgan | Mongolia | 18.7 C (33.7 F) | 28 October 1996 |
| 4 | Dalanzadgad | Mongolia | 18.5 C (33.3 F) | 1 May 1981 |
| 5 | Ulaan-Gom | Mongolia | 17.8 C (32.0 F) | 29 August 1972 |
| 6 | Muren | Mongolia | 17.2 C (31.0 F) | 6 November 1985 |
| 7 | Mandalgobi | Mongolia | 17.1 C (30.8 F) | 18 April 2026 |
| 8 | Arvaiheer | Mongolia | 17.0 C (30.6 F) | 19 May 1994 |
| 9 | Choibalsan | Mongolia | 14.5 C (26.1 F) | 6 June 1963 |
Widest range between the high and the low of one day
The largest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Bulgan | Mongolia | 37.8 C (68.0 F) | 23 February 1993 |
| 2 | Choibalsan | Mongolia | 34.9 C (62.8 F) | 21 May 1966 |
| 3 | Mandalgobi | Mongolia | 34.6 C (62.3 F) | 22 January 1997 |
| 4 | Uliastai | Mongolia | 34.1 C (61.4 F) | 24 February 1988 |
| 5 | Muren | Mongolia | 33.2 C (59.8 F) | 14 December 1965 |
| 6 | Ulaan-Gom | Mongolia | 31.9 C (57.4 F) | 3 January 1994 |
| 7 | Hovd | Mongolia | 30.2 C (54.4 F) | 4 March 1964 |
| 8 | Arvaiheer | Mongolia | 27.8 C (50.0 F) | 20 April 1958 |
| 9 | Dalanzadgad | Mongolia | 27.7 C (49.9 F) | 1 March 1962 |
Narrowest range between the high and the low of one day
The smallest difference between the highest and the lowest temperature of the same day. Values are in degrees Celsius with Fahrenheit beside them.
| Rank | Station | Country | Value | Date |
|---|---|---|---|---|
| 1 | Mandalgobi | Mongolia | 0.0 C (0.0 F) | 4 January 1994 |
| 2 | Ulaan-Gom | Mongolia | 0.3 C (0.5 F) | 10 December 1995 |
| 3 | Bulgan | Mongolia | 0.5 C (0.9 F) | 21 August 1998 |
| 4 | Arvaiheer | Mongolia | 0.5 C (0.9 F) | 21 November 2025 |
| 5 | Uliastai | Mongolia | 0.6 C (1.1 F) | 10 January 2025 |
| 6 | Choibalsan | Mongolia | 0.6 C (1.1 F) | 14 June 2026 |
| 7 | Muren | Mongolia | 1.3 C (2.3 F) | 28 June 2025 |
| 8 | Dalanzadgad | Mongolia | 1.7 C (3.1 F) | 8 February 1964 |
| 9 | Hovd | Mongolia | 1.7 C (3.1 F) | 13 November 1988 |
Only stations with at least 10 complete years are listed, and a station appears once per list.
Download the Data
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Trends and counts are computed by this site from daily station records. The long-record station set is described under each chart.