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Ayacucho, Peru climate
Cwb Subtropical highland (dry winter)
Ayacucho has a remarkably steady cool-temperate climate (Subtropical highland (dry winter), Köppen Cwb). The hottest month is November with an average daily high near 22°C, while the coldest is July averaging around 1°C at night. Precipitation totals about 763 mm a year and is strongly seasonal — February alone averages 147 mm while June barely receives 11 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)Ayacucho climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 19 | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 22 | 20 |
| Avg temp (°C) | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 12 | 13 | 13 | 14 | 13 |
| Avg low (°C) | 7 | 7 | 7 | 6 | 3 | 2 | 1 | 2 | 4 | 5 | 5 | 6 |
| Precipitation (mm) | 143 | 147 | 114 | 54 | 25 | 11 | 15 | 16 | 29 | 52 | 53 | 103 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 19 | 20 | 21 | 20 |
| Avg temp (°C) | 13 | 13 | 13 | 13 | 12 | 11 |
| Avg low (°C) | 7 | 7 | 7 | 6 | 3 | 2 |
| Precipitation (mm) | 143 | 147 | 114 | 54 | 25 | 11 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 21 | 21 | 21 | 22 | 20 |
| Avg temp (°C) | 11 | 12 | 13 | 13 | 14 | 13 |
| Avg low (°C) | 1 | 2 | 4 | 5 | 5 | 6 |
| Precipitation (mm) | 15 | 16 | 29 | 52 | 53 | 103 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 86 | 87 | 84 | 69 | 55 | 48 | 46 | 52 | 65 | 73 | 74 | 83 |
| Relative humidity (%) | 75 | 79 | 80 | 78 | 74 | 72 | 71 | 70 | 71 | 70 | 69 | 72 |
| Wind speed (km/h) | 8.4 | 8.4 | 8.4 | 8.5 | 7.2 | 8.1 | 8.7 | 9.9 | 9.7 | 9.3 | 8.4 | 8.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 86 | 87 | 84 | 69 | 55 | 48 |
| Relative humidity (%) | 75 | 79 | 80 | 78 | 74 | 72 |
| Wind speed (km/h) | 8.4 | 8.4 | 8.4 | 8.5 | 7.2 | 8.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 46 | 52 | 65 | 73 | 74 | 83 |
| Relative humidity (%) | 71 | 70 | 71 | 70 | 69 | 72 |
| Wind speed (km/h) | 8.7 | 9.9 | 9.7 | 9.3 | 8.4 | 8.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from SENAMHI, Peru's national weather service, measured at Lircay, about 57 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.