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Catamarca, Argentina climate
BSh Hot semi-arid
Catamarca has a seasonal warm-temperate climate (Hot semi-arid, Köppen BSh). The hottest month is January with an average daily high near 35°C, while the coldest is July averaging around 5°C at night. Precipitation totals about 411 mm a year and is strongly seasonal — January alone averages 81 mm while August 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)Catamarca climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 33 | 31 | 28 | 23 | 20 | 20 | 24 | 28 | 31 | 33 | 35 |
| Avg temp (°C) | 28 | 26 | 25 | 21 | 16 | 12 | 12 | 16 | 20 | 24 | 26 | 28 |
| Avg low (°C) | 22 | 21 | 19 | 15 | 10 | 6 | 5 | 8 | 12 | 17 | 20 | 21 |
| Precipitation (mm) | 81 | 74 | 50 | 31 | 13 | 7 | 4 | 3 | 6 | 24 | 45 | 73 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 35 | 33 | 31 | 28 | 23 | 20 |
| Avg temp (°C) | 28 | 26 | 25 | 21 | 16 | 12 |
| Avg low (°C) | 22 | 21 | 19 | 15 | 10 | 6 |
| Precipitation (mm) | 81 | 74 | 50 | 31 | 13 | 7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 24 | 28 | 31 | 33 | 35 |
| Avg temp (°C) | 12 | 16 | 20 | 24 | 26 | 28 |
| Avg low (°C) | 5 | 8 | 12 | 17 | 20 | 21 |
| Precipitation (mm) | 4 | 3 | 6 | 24 | 45 | 73 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 59 | 58 | 57 | 55 | 49 | 43 | 38 | 43 | 52 | 53 | 56 |
| Relative humidity (%) | 59 | 64 | 67 | 69 | 68 | 63 | 56 | 48 | 44 | 48 | 51 | 55 |
| Wind speed (km/h) | 8.3 | 8.0 | 7.6 | 6.8 | 6.2 | 5.8 | 6.5 | 7.6 | 8.9 | 9.7 | 9.8 | 9.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 59 | 59 | 58 | 57 | 55 | 49 |
| Relative humidity (%) | 59 | 64 | 67 | 69 | 68 | 63 |
| Wind speed (km/h) | 8.3 | 8.0 | 7.6 | 6.8 | 6.2 | 5.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 43 | 38 | 43 | 52 | 53 | 56 |
| Relative humidity (%) | 56 | 48 | 44 | 48 | 51 | 55 |
| Wind speed (km/h) | 6.5 | 7.6 | 8.9 | 9.7 | 9.8 | 9.1 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Catamarca_aero, about 14 km from the city centre.
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.