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Bulgan, Mongolia climate
Dwc Monsoon-influenced subarctic
Bulgan has a strongly seasonal subarctic climate (Monsoon-influenced subarctic, Köppen Dwc). The hottest month is July with an average daily high near 24°C, while the coldest is January averaging around −27°C at night. Precipitation totals about 346 mm a year and is strongly seasonal — July alone averages 131 mm while February barely receives 1 mm.
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)Bulgan climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −13 | −8 | 1 | 11 | 18 | 23 | 24 | 22 | 17 | 9 | −3 | −11 |
| Avg temp (°C) | −20 | −16 | −7 | 3 | 10 | 15 | 18 | 16 | 9 | 1 | −10 | −18 |
| Avg low (°C) | −27 | −25 | −16 | −6 | 0 | 7 | 10 | 8 | 0 | −8 | −17 | −25 |
| Precipitation (mm) | 2 | 1 | 4 | 6 | 18 | 62 | 131 | 88 | 26 | 3 | 2 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −13 | −8 | 1 | 11 | 18 | 23 |
| Avg temp (°C) | −20 | −16 | −7 | 3 | 10 | 15 |
| Avg low (°C) | −27 | −25 | −16 | −6 | 0 | 7 |
| Precipitation (mm) | 2 | 1 | 4 | 6 | 18 | 62 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 22 | 17 | 9 | −3 | −11 |
| Avg temp (°C) | 18 | 16 | 9 | 1 | −10 | −18 |
| Avg low (°C) | 10 | 8 | 0 | −8 | −17 | −25 |
| Precipitation (mm) | 131 | 88 | 26 | 3 | 2 | 2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.8 | 1 | 2 | 2 | 3 | 6 | 8 | 7 | 3 | 2 | 2 | 1 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.2 | 0.8 | 2 | 0.5 | — | — | — | — |
| Days with low ≤ 0°C (days) | 23 | 21 | 24 | 20 | 11 | 1 | — | 0.2 | 11 | 22 | 22 | 22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.8 | 1 | 2 | 2 | 3 | 6 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.2 | 0.8 |
| Days with low ≤ 0°C (days) | 23 | 21 | 24 | 20 | 11 | 1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 7 | 3 | 2 | 2 | 1 |
| Days with high ≥ 32°C (days) | 2 | 0.5 | — | — | — | — |
| Days with low ≤ 0°C (days) | — | 0.2 | 11 | 22 | 22 | 22 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 48 | 55 | 61 | 64 | 67 | 68 | 61 | 55 | 53 | 55 | 53 |
| Relative humidity (%) | 86 | 81 | 65 | 52 | 49 | 54 | 61 | 64 | 62 | 64 | 75 | 84 |
| Wind speed (m/s) | 3.1 | 3.0 | 3.0 | 3.1 | 2.9 | 2.2 | 1.9 | 1.9 | 2.2 | 2.4 | 2.8 | 3.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 48 | 55 | 61 | 64 | 67 |
| Relative humidity (%) | 86 | 81 | 65 | 52 | 49 | 54 |
| Wind speed (m/s) | 3.1 | 3.0 | 3.0 | 3.1 | 2.9 | 2.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 61 | 55 | 53 | 55 | 53 |
| Relative humidity (%) | 61 | 64 | 62 | 64 | 75 | 84 |
| Wind speed (m/s) | 1.9 | 1.9 | 2.2 | 2.4 | 2.8 | 3.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Bulgan, a weather station, about 2 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.