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Mary, Turkmenistan climate
BWk Cold desert
Mary has a strongly seasonal mild-temperate climate (Cold desert, Köppen BWk). The hottest month is July with an average daily high near 40°C, while the coldest is January averaging around −2°C at night. Precipitation totals about 171 mm a year and is strongly seasonal — March alone averages 40 mm while August barely receives 0 mm. Light snow accumulates each winter (29 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 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)Mary climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 19 | 26 | 33 | 38 | 40 | 38 | 33 | 25 | 16 | 11 |
| Avg temp (°C) | 4 | 6 | 12 | 19 | 25 | 30 | 32 | 30 | 25 | 17 | 10 | 5 |
| Avg low (°C) | −2 | 0 | 5 | 11 | 17 | 22 | 24 | 22 | 16 | 10 | 4 | 0 |
| Precipitation (mm) | 22 | 31 | 40 | 26 | 11 | 1 | 1 | 0 | 1 | 7 | 16 | 15 |
| Snowfall (cm) | 8 | 11 | 3 | 0 | — | — | — | — | — | 0 | 2 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 10 | 12 | 19 | 26 | 33 | 38 |
| Avg temp (°C) | 4 | 6 | 12 | 19 | 25 | 30 |
| Avg low (°C) | −2 | 0 | 5 | 11 | 17 | 22 |
| Precipitation (mm) | 22 | 31 | 40 | 26 | 11 | 1 |
| Snowfall (cm) | 8 | 11 | 3 | 0 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 40 | 38 | 33 | 25 | 16 | 11 |
| Avg temp (°C) | 32 | 30 | 25 | 17 | 10 | 5 |
| Avg low (°C) | 24 | 22 | 16 | 10 | 4 | 0 |
| Precipitation (mm) | 1 | 0 | 1 | 7 | 16 | 15 |
| Snowfall (cm) | — | — | — | 0 | 2 | 5 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | 0.4 | 5 | 18 | 29 | 31 | 30 | 16 | 3 | 0.1 | — |
| Days with low ≤ 0°C (days) | 20 | 14 | 6 | 0.3 | — | — | — | — | — | 0.4 | 6 | 17 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | 0.4 | 5 | 18 | 29 |
| Days with low ≤ 0°C (days) | 20 | 14 | 6 | 0.3 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 31 | 30 | 16 | 3 | 0.1 | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.4 | 6 | 17 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 56 | 61 | 58 | 45 | 28 | 19 | 17 | 23 | 35 | 48 | 54 |
| Relative humidity (%) | 64 | 58 | 51 | 41 | 30 | 20 | 18 | 17 | 20 | 31 | 49 | 62 |
| Wind speed (km/h) | 9.4 | 10.4 | 10.2 | 10.0 | 10.0 | 11.2 | 11.9 | 10.5 | 8.5 | 7.8 | 8.3 | 9.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 56 | 61 | 58 | 45 | 28 |
| Relative humidity (%) | 64 | 58 | 51 | 41 | 30 | 20 |
| Wind speed (km/h) | 9.4 | 10.4 | 10.2 | 10.0 | 10.0 | 11.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 19 | 17 | 23 | 35 | 48 | 54 |
| Relative humidity (%) | 18 | 17 | 20 | 31 | 49 | 62 |
| Wind speed (km/h) | 11.9 | 10.5 | 8.5 | 7.8 | 8.3 | 9.0 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.