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Tiaret, Algeria climate
BSk Cold semi-arid
Tiaret has a seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 35°C, while the coldest is January averaging around 1°C at night. Precipitation totals about 398 mm a year and is strongly seasonal — January alone averages 48 mm while July barely receives 3 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)Tiaret climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 16 | 19 | 25 | 31 | 35 | 35 | 29 | 23 | 16 | 12 |
| Avg temp (°C) | 7 | 7 | 10 | 12 | 17 | 22 | 26 | 26 | 21 | 17 | 11 | 7 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 9 | 13 | 17 | 17 | 13 | 10 | 5 | 2 |
| Precipitation (mm) | 48 | 46 | 46 | 47 | 30 | 13 | 3 | 8 | 37 | 33 | 45 | 43 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 16 | 19 | 25 | 31 |
| Avg temp (°C) | 7 | 7 | 10 | 12 | 17 | 22 |
| Avg low (°C) | 1 | 1 | 3 | 5 | 9 | 13 |
| Precipitation (mm) | 48 | 46 | 46 | 47 | 30 | 13 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 35 | 29 | 23 | 16 | 12 |
| Avg temp (°C) | 26 | 26 | 21 | 17 | 11 | 7 |
| Avg low (°C) | 17 | 17 | 13 | 10 | 5 | 2 |
| Precipitation (mm) | 3 | 8 | 37 | 33 | 45 | 43 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 8 | 8 | 8 | 6 | 3 | 1 | 3 | 5 | 6 | 8 | 9 |
| Days with high ≥ 32°C (days) | — | — | — | 0.0 | 3 | 10 | 21 | 20 | 6 | 0.7 | — | — |
| Days with low ≤ 0°C (days) | 10 | 9 | 5 | 2 | 0.2 | — | — | — | — | 0.1 | 2 | 7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 8 | 8 | 8 | 8 | 6 | 3 |
| Days with high ≥ 32°C (days) | — | — | — | 0.0 | 3 | 10 |
| Days with low ≤ 0°C (days) | 10 | 9 | 5 | 2 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 3 | 5 | 6 | 8 | 9 |
| Days with high ≥ 32°C (days) | 21 | 20 | 6 | 0.7 | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.1 | 2 | 7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 49 | 52 | 54 | 47 | 35 | 30 | 33 | 44 | 48 | 52 | 52 |
| Relative humidity (%) | 74 | 71 | 66 | 63 | 58 | 50 | 42 | 42 | 53 | 60 | 69 | 75 |
| Wind speed (km/h) | 10.5 | 10.5 | 10.5 | 10.5 | 9.6 | 9.2 | 8.9 | 9.0 | 9.0 | 9.3 | 10.8 | 10.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 49 | 52 | 54 | 47 | 35 |
| Relative humidity (%) | 74 | 71 | 66 | 63 | 58 | 50 |
| Wind speed (km/h) | 10.5 | 10.5 | 10.5 | 10.5 | 9.6 | 9.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 30 | 33 | 44 | 48 | 52 | 52 |
| Relative humidity (%) | 42 | 42 | 53 | 60 | 69 | 75 |
| Wind speed (km/h) | 8.9 | 9.0 | 9.0 | 9.3 | 10.8 | 10.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Bou Chekif, a weather station, about 14 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.