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Zahedan, Iran climate
BWh Hot desert
Zahedan has a seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is July with an average daily high near 37°C, while the coldest is January averaging around 0°C at night. Precipitation totals about 75 mm a year and is strongly seasonal — March alone averages 12 mm while August barely receives 0 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsZahedan climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 18 | 22 | 28 | 33 | 36 | 37 | 36 | 33 | 28 | 22 | 17 |
| Avg temp (°C) | 8 | 11 | 15 | 21 | 25 | 28 | 29 | 27 | 23 | 19 | 13 | 9 |
| Avg low (°C) | 0 | 3 | 8 | 13 | 17 | 20 | 21 | 18 | 14 | 10 | 4 | 1 |
| Precipitation (mm) | 11 | 11 | 12 | 8 | 3 | 4 | 4 | 0 | 4 | 6 | 5 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 18 | 22 | 28 | 33 | 36 |
| Avg temp (°C) | 8 | 11 | 15 | 21 | 25 | 28 |
| Avg low (°C) | 0 | 3 | 8 | 13 | 17 | 20 |
| Precipitation (mm) | 11 | 11 | 12 | 8 | 3 | 4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 37 | 36 | 33 | 28 | 22 | 17 |
| Avg temp (°C) | 29 | 27 | 23 | 19 | 13 | 9 |
| Avg low (°C) | 21 | 18 | 14 | 10 | 4 | 1 |
| Precipitation (mm) | 4 | 0 | 4 | 6 | 5 | 7 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 2 | 2 | 2 | 1 | 0.4 | 0.2 | 0.0 | 0.2 | 0.6 | 0.9 | 1 |
| Days with high ≥ 32°C (days) | 0.0 | — | 0.4 | 6 | 19 | 26 | 28 | 28 | 19 | 4 | — | — |
| Days with low ≤ 0°C (days) | 15 | 8 | 2 | 0.0 | 0.0 | — | — | — | — | 0.2 | 5 | 13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 2 | 2 | 2 | 2 | 1 | 0.4 |
| Days with high ≥ 32°C (days) | 0.0 | — | 0.4 | 6 | 19 | 26 |
| Days with low ≤ 0°C (days) | 15 | 8 | 2 | 0.0 | 0.0 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.2 | 0.0 | 0.2 | 0.6 | 0.9 | 1 |
| Days with high ≥ 32°C (days) | 28 | 28 | 19 | 4 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.2 | 5 | 13 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 45 | 48 | 53 | 52 | 44 | 34 | 33 | 31 | 30 | 33 | 38 | 39 |
| Clear days (≤ 30% cloud) | 10 | 8 | 6 | 5 | 7 | 10 | 11 | 12 | 13 | 13 | 11 | 13 |
| Partly cloudy days (30–70%) | 14 | 14 | 17 | 18 | 21 | 19 | 19 | 18 | 16 | 17 | 15 | 13 |
| Cloudy days (≥ 70%) | 7 | 7 | 8 | 7 | 3 | 1 | 1 | 1 | 0.5 | 1 | 3 | 5 |
| Relative humidity (%) | 50 | 46 | 40 | 30 | 21 | 17 | 17 | 16 | 17 | 24 | 37 | 44 |
| Wind speed (m/s) | 3.8 | 4.3 | 4.1 | 3.4 | 3.2 | 3.8 | 4.3 | 4.0 | 3.1 | 2.5 | 2.7 | 3.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 45 | 48 | 53 | 52 | 44 | 34 |
| Clear days (≤ 30% cloud) | 10 | 8 | 6 | 5 | 7 | 10 |
| Partly cloudy days (30–70%) | 14 | 14 | 17 | 18 | 21 | 19 |
| Cloudy days (≥ 70%) | 7 | 7 | 8 | 7 | 3 | 1 |
| Relative humidity (%) | 50 | 46 | 40 | 30 | 21 | 17 |
| Wind speed (m/s) | 3.8 | 4.3 | 4.1 | 3.4 | 3.2 | 3.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 33 | 31 | 30 | 33 | 38 | 39 |
| Clear days (≤ 30% cloud) | 11 | 12 | 13 | 13 | 11 | 13 |
| Partly cloudy days (30–70%) | 19 | 18 | 16 | 17 | 15 | 13 |
| Cloudy days (≥ 70%) | 1 | 1 | 0.5 | 1 | 3 | 5 |
| Relative humidity (%) | 17 | 16 | 17 | 24 | 37 | 44 |
| Wind speed (m/s) | 4.3 | 4.0 | 3.1 | 2.5 | 2.7 | 3.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Zahedan, a weather station, about 5 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.