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Ulaangom, Mongolia climate
BSk Cold semi-arid
Ulaangom has a strongly seasonal subarctic climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 80°F, while the coldest is January averaging around −34°F at night. Precipitation totals about 6 inches a year and is strongly seasonal — July alone averages 2.1 inches while January barely receives 0.04 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Ulaangom climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | −14 | −5 | 15 | 49 | 66 | 78 | 80 | 76 | 63 | 47 | 25 | −2 |
| Avg temp (°F) | −24 | −18 | 3 | 37 | 53 | 64 | 68 | 63 | 51 | 35 | 17 | −12 |
| Avg low (°F) | −34 | −30 | −8 | 25 | 38 | 50 | 55 | 50 | 37 | 24 | 8 | −20 |
| Precipitation (in) | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 1.0 | 2.1 | 1.4 | 0.4 | 0.1 | 0.2 | 0.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | −14 | −5 | 15 | 49 | 66 | 78 |
| Avg temp (°F) | −24 | −18 | 3 | 37 | 53 | 64 |
| Avg low (°F) | −34 | −30 | −8 | 25 | 38 | 50 |
| Precipitation (in) | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 1.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 76 | 63 | 47 | 25 | −2 |
| Avg temp (°F) | 68 | 63 | 51 | 35 | 17 | −12 |
| Avg low (°F) | 55 | 50 | 37 | 24 | 8 | −20 |
| Precipitation (in) | 2.1 | 1.4 | 0.4 | 0.1 | 0.2 | 0.2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.6 | 1.0 | 1 | 0.9 | 1 | 3 | 5 | 4 | 1 | 1 | 4 | 4 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 2 | 3 | 0.7 | — | — | — | — |
| Days with low ≤ 32°F (days) | 23 | 23 | 26 | 20 | 6 | 0.0 | — | 0.0 | 6 | 22 | 21 | 21 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.6 | 1.0 | 1 | 0.9 | 1 | 3 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 2 |
| Days with low ≤ 32°F (days) | 23 | 23 | 26 | 20 | 6 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 5 | 4 | 1 | 1 | 4 | 4 |
| Days with high ≥ 90°F (days) | 3 | 0.7 | — | — | — | — |
| Days with low ≤ 32°F (days) | — | 0.0 | 6 | 22 | 21 | 21 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 61 | 68 | 62 | 58 | 59 | 62 | 56 | 50 | 53 | 66 | 66 |
| Relative humidity (%) | 75 | 71 | 58 | 47 | 44 | 47 | 53 | 54 | 52 | 55 | 64 | 72 |
| Wind speed (mph) | 3.9 | 4.1 | 5.0 | 5.8 | 5.6 | 4.5 | 3.9 | 3.9 | 4.1 | 4.3 | 4.4 | 4.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 61 | 68 | 62 | 58 | 59 |
| Relative humidity (%) | 75 | 71 | 58 | 47 | 44 | 47 |
| Wind speed (mph) | 3.9 | 4.1 | 5.0 | 5.8 | 5.6 | 4.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 56 | 50 | 53 | 66 | 66 |
| Relative humidity (%) | 53 | 54 | 52 | 55 | 64 | 72 |
| Wind speed (mph) | 3.9 | 3.9 | 4.1 | 4.3 | 4.4 | 4.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Ulaan-gom, a weather station, about 20 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.