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Arequipa, Peru climate
BWk Cold desert
Arequipa has a remarkably steady mild-temperate climate (Cold desert, Köppen BWk). The hottest month is January with an average daily high near 72°F, while the coldest is July averaging around 45°F at night. Precipitation totals about 4 inches a year and is strongly seasonal — February alone averages 1.7 inches while November barely receives 0.00 inches.
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)Arequipa climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 72 | 73 | 73 | 74 | 74 | 73 | 74 | 74 | 74 | 74 | 74 |
| Avg temp (°F) | 62 | 62 | 62 | 62 | 60 | 59 | 59 | 60 | 61 | 61 | 61 | 62 |
| Avg low (°F) | 52 | 53 | 52 | 50 | 47 | 45 | 45 | 46 | 47 | 48 | 49 | 51 |
| Precipitation (in) | 1.3 | 1.7 | 0.7 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 72 | 73 | 73 | 74 | 74 |
| Avg temp (°F) | 62 | 62 | 62 | 62 | 60 | 59 |
| Avg low (°F) | 52 | 53 | 52 | 50 | 47 | 45 |
| Precipitation (in) | 1.3 | 1.7 | 0.7 | 0.1 | 0.0 | 0.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 74 | 74 | 74 | 74 | 74 |
| Avg temp (°F) | 59 | 60 | 61 | 61 | 61 | 62 |
| Avg low (°F) | 45 | 46 | 47 | 48 | 49 | 51 |
| Precipitation (in) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 68 | 57 | 40 | 28 | 26 | 25 | 27 | 28 | 36 | 40 | 54 |
| Relative humidity (%) | 64 | 68 | 66 | 55 | 40 | 36 | 33 | 33 | 35 | 38 | 43 | 54 |
| Wind speed (mph) | 5.8 | 5.7 | 5.2 | 4.9 | 4.8 | 4.7 | 4.9 | 5.2 | 5.5 | 5.6 | 5.9 | 5.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 68 | 57 | 40 | 28 | 26 |
| Relative humidity (%) | 64 | 68 | 66 | 55 | 40 | 36 |
| Wind speed (mph) | 5.8 | 5.7 | 5.2 | 4.9 | 4.8 | 4.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 25 | 27 | 28 | 36 | 40 | 54 |
| Relative humidity (%) | 33 | 33 | 35 | 38 | 43 | 54 |
| Wind speed (mph) | 4.9 | 5.2 | 5.5 | 5.6 | 5.9 | 5.9 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from SENAMHI, Peru's national weather service, measured at La Pampilla, about 2 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.