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Darhan, Mongolia climate
Dwb Monsoon-influenced warm-summer humid continental
Darhan has a strongly seasonal subarctic climate (Monsoon-influenced warm-summer humid continental, Köppen Dwb). The hottest month is July with an average daily high near 26°C, while the coldest is January averaging around −25°C at night. Precipitation totals about 347 mm a year and is strongly seasonal — July alone averages 78 mm while February barely receives 3 mm. At latitude 50°N, day length swings from 7.8 hours in midwinter to 16.2 hours at midsummer.
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)Darhan climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | −15 | −9 | 1 | 11 | 19 | 25 | 26 | 24 | 17 | 8 | −4 | −13 |
| Avg temp (°C) | −20 | −15 | −5 | 4 | 11 | 18 | 20 | 18 | 11 | 2 | −9 | −17 |
| Avg low (°C) | −25 | −20 | −12 | −3 | 4 | 11 | 14 | 12 | 4 | −4 | −14 | −22 |
| Precipitation (mm) | 4 | 3 | 5 | 13 | 38 | 59 | 78 | 78 | 41 | 14 | 8 | 6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | −15 | −9 | 1 | 11 | 19 | 25 |
| Avg temp (°C) | −20 | −15 | −5 | 4 | 11 | 18 |
| Avg low (°C) | −25 | −20 | −12 | −3 | 4 | 11 |
| Precipitation (mm) | 4 | 3 | 5 | 13 | 38 | 59 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 24 | 17 | 8 | −4 | −13 |
| Avg temp (°C) | 20 | 18 | 11 | 2 | −9 | −17 |
| Avg low (°C) | 14 | 12 | 4 | −4 | −14 | −22 |
| Precipitation (mm) | 78 | 78 | 41 | 14 | 8 | 6 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 11 | 9 | 5 | 6 | 5 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.4 | 2 | 3 | 1.0 | — | — | — | — |
| Days with low ≤ 0°C (days) | 31 | 28 | 30 | 22 | 7 | 0.1 | — | 0.0 | 5 | 25 | 29 | 30 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 4 | 3 | 3 | 5 | 7 | 10 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.4 | 2 |
| Days with low ≤ 0°C (days) | 31 | 28 | 30 | 22 | 7 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 11 | 9 | 5 | 6 | 5 |
| Days with high ≥ 32°C (days) | 3 | 1.0 | — | — | — | — |
| Days with low ≤ 0°C (days) | — | 0.0 | 5 | 25 | 29 | 30 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 52 | 58 | 65 | 66 | 69 | 69 | 63 | 63 | 64 | 66 | 67 |
| Relative humidity (%) | 89 | 86 | 69 | 53 | 50 | 52 | 57 | 61 | 63 | 66 | 76 | 87 |
| Wind speed (mph) | 3.7 | 4.0 | 4.8 | 5.5 | 5.4 | 4.4 | 3.6 | 3.5 | 3.9 | 3.8 | 3.9 | 3.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 52 | 58 | 65 | 66 | 69 |
| Relative humidity (%) | 89 | 86 | 69 | 53 | 50 | 52 |
| Wind speed (mph) | 3.7 | 4.0 | 4.8 | 5.5 | 5.4 | 4.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 63 | 63 | 64 | 66 | 67 |
| Relative humidity (%) | 57 | 61 | 63 | 66 | 76 | 87 |
| Wind speed (mph) | 3.6 | 3.5 | 3.9 | 3.8 | 3.9 | 3.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Kjahta, a weather station, about 105 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.