Ulaangom climate — normals and trends
Ulaangom (Mongolia) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 1.3 °C and it receives 250 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (19.9 °C on average) and the coldest is January (-19.5 °C). Rainfall peaks in August.
Ulaangom averages 195 frost days, 6 hot days (≥ 30 °C) and 57 rainy days per year.
No statistically significant temperature trend emerges for Ulaangom between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 37.1 °C (on 15 July 2004) and the coldest -41.5 °C (on 27 January 1969).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
UlaangomUvs Province
- coords
- 49.98°, 92.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
1.3°C
Average daily high
6.5°C
Average daily low
-3.6°C
Annual rainfall
250mm
Sunshine / day
10.5h
Mean relative humidity
57%
Average peak wind
11.6km/h
Seasonal range
39.4°C
Frost days (< 0 °C)
195 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
57 d/yr
Annual snowfall
29.2 cm
Average feels-like high
3.3 °C
Average feels-like low
-7.4 °C
Average peak gust
25.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
37.1 °C
15 July 2004
Coldest day
-41.5 °C
27 January 1969
Wettest day
71 mm
14 July 2020
Windiest day
40.5 km/h
15 May 1974
Strongest gust
86.0 km/h
24 April 1984
Hottest feels-like
37.8 °C
15 July 2004
Coldest feels-like
-46.6 °C
27 January 1969
Snowiest day
13.0 cm
30 September 1975
Sunniest day
16.0 h
17 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -15.0 °C | -0.5 °C | 3 mm | +1 mm |
| Feb | -9.8 °C | +0.8 °C | 4 mm | +1 mm |
| Mar | -2.6 °C | -0.6 °C | 11 mm | +2 mm |
| Apr | 14.6 °C | +4.4 °C | 6 mm | -8 mm |
| May | 19.0 °C | +0.7 °C | 25 mm | +6 mm |
| Jun | 27.3 °C | +3.7 °C | 11 mm | -30 mm |
| Jul | 27.4 °C | +2.7 °C | 19 mm | -35 mm |
| Aug | 24.0 °C | +1.4 °C | 16 mm | -38 mm |
| Sep | 17.4 °C | +1.0 °C | 22 mm | -9 mm |
| Oct | 3.6 °C | -3.7 °C | 15 mm | +1 mm |
| Nov | -2.9 °C | +1.9 °C | 11 mm | +5 mm |
| Dec | -12.5 °C | +0.8 °C | 1 mm | -1 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ulaangom?
Ulaangom has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 1.3 °C and it receives 250 mm of precipitation per year.
What is the hottest day ever recorded in Ulaangom?
The hottest day measured in Ulaangom between 1940 and 2025 was 15 July 2004, reaching 37.1 °C.
What is the coldest day in Ulaangom?
The coldest day measured in Ulaangom between 1940 and 2025 was 27 January 1969, at -41.5 °C.
Does it snow in Ulaangom?
Yes. Ulaangom gets on average 29.2 cm of snow per year and has around 195 frost days.
Has the climate of Ulaangom warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Ulaangom.
What is the wettest day in Ulaangom?
The wettest day measured in Ulaangom between 1940 and 2025 was 14 July 2020, with 71 mm of rain in 24 hours.
What was the windiest day in Ulaangom?
The windiest day measured in Ulaangom between 1940 and 2025 was 15 May 1974, with winds reaching 40.5 km/h.
What is the warmest month in Ulaangom?
The warmest month in Ulaangom is July (19.9 °C on average); the coldest is January (-19.5 °C).
How much does it rain in Ulaangom?
Ulaangom receives on average 250 mm of precipitation per year, spread over about 57 rainy days.
Is it sunny in Ulaangom?
Ulaangom gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ulaangom?
The heaviest 24-hour snowfall measured in Ulaangom between 1940 and 2025 was 30 September 1975, with 13.0 cm.
Are there tropical nights in Ulaangom?
Yes: Ulaangom has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ulaangom?
In Ulaangom, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 15 July 2004, and the lowest was -46.6 °C on 27 January 1969.
Compare Ulaangom with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ulaangom